annotate rust/hg-core/src/revlog/index.rs @ 52664:f5091286b10c

packaging: modernize (compat PEP 517) with less distutils and setup.py calls - setup.py: less distutils imports and setuptools required distutils is deprecated and one should import commands from setuptools to support modern workflows depending on PEP 517 and 518. Moreover, for Python >=3.12, distutils comes from setuptools. It corresponds to old and unmaintain code that do not support PEP 517. The PEP 517 frontends (pip, build, pipx, PDM, UV, etc.) are responsible for creating a venv just for the build. The build dependencies (currently only setuptools) are specified in the pyproject.toml file. Therefore, there is no reason to support building without setuptools. Calling directly setup.py is deprecated and we have to use a PEP 517 frontend. For this commit we use pip with venv. - run-tests.py: install with pip instead of direct call of setup.py Mercurial is then built in an isolated environment. - Makefile: use venv+pip instead of setup.py
author paugier <pierre.augier@univ-grenoble-alpes.fr>
date Wed, 08 Jan 2025 05:07:00 +0100
parents 393ad2685fb4
children 8de68446a5bd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 use std::collections::{HashMap, HashSet};
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2 use std::fmt::Debug;
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3 use std::ops::Deref;
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4 use std::sync::{RwLock, RwLockReadGuard, RwLockWriteGuard};
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5
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6 use bitvec::prelude::*;
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7 use byteorder::{BigEndian, ByteOrder};
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8 use bytes_cast::{unaligned, BytesCast};
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9
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10 use super::{NodePrefix, RevlogError, RevlogIndex, REVIDX_KNOWN_FLAGS};
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11 use crate::errors::HgError;
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12 use crate::revlog::node::{
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13 Node, NODE_BYTES_LENGTH, NULL_NODE, STORED_NODE_ID_BYTES,
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14 };
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15 use crate::revlog::{Revision, NULL_REVISION};
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16 use crate::{
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17 dagops, BaseRevision, FastHashMap, Graph, GraphError, UncheckedRevision,
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18 };
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19
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20 pub const INDEX_ENTRY_SIZE: usize = 64;
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21 pub const INDEX_HEADER_SIZE: usize = 4;
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22 pub const COMPRESSION_MODE_INLINE: u8 = 2;
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23
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24 #[derive(Debug)]
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25 pub struct IndexHeader {
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26 pub(super) header_bytes: [u8; INDEX_HEADER_SIZE],
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27 }
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28
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29 #[derive(Copy, Clone, Debug)]
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30 pub struct IndexHeaderFlags {
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31 flags: u16,
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32 }
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33
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34 /// Corresponds to the high bits of `_format_flags` in python
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35 impl IndexHeaderFlags {
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36 /// Corresponds to FLAG_INLINE_DATA in python
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37 pub fn is_inline(self) -> bool {
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38 self.flags & 1 != 0
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39 }
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40 /// Corresponds to FLAG_GENERALDELTA in python
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41 pub fn uses_generaldelta(self) -> bool {
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42 self.flags & 2 != 0
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43 }
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44 }
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45
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46 /// Corresponds to the INDEX_HEADER structure,
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47 /// which is parsed as a `header` variable in `_loadindex` in `revlog.py`
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48 impl IndexHeader {
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49 fn format_flags(&self) -> IndexHeaderFlags {
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50 // No "unknown flags" check here, unlike in python. Maybe there should
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51 // be.
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52 IndexHeaderFlags {
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53 flags: BigEndian::read_u16(&self.header_bytes[0..2]),
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54 }
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55 }
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56
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57 /// The only revlog version currently supported by rhg.
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58 const REVLOGV1: u16 = 1;
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59
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60 /// Corresponds to `_format_version` in Python.
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61 fn format_version(&self) -> u16 {
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62 BigEndian::read_u16(&self.header_bytes[2..4])
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63 }
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64
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65 pub fn parse(index_bytes: &[u8]) -> Result<IndexHeader, HgError> {
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66 if index_bytes.len() < 4 {
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67 return Err(HgError::corrupted(
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68 "corrupted revlog: can't read the index format header",
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69 ));
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70 }
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71 Ok(IndexHeader {
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72 header_bytes: {
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73 let bytes: [u8; 4] =
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74 index_bytes[0..4].try_into().expect("impossible");
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75 bytes
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76 },
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77 })
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78 }
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79 }
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80
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81 /// Abstracts the access to the index bytes since they can be spread between
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82 /// the immutable (bytes) part and the mutable (added) part if any appends
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83 /// happened. This makes it transparent for the callers.
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84 struct IndexData {
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85 /// Immutable bytes, most likely taken from disk
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86 bytes: Box<dyn Deref<Target = [u8]> + Send + Sync>,
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87 /// Used when stripping index contents, keeps track of the start of the
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88 /// first stripped revision, which is used to give a slice of the
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89 /// `bytes` field.
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90 truncation: Option<usize>,
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91 /// Bytes that were added after reading the index
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92 added: Vec<u8>,
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93 first_entry: [u8; INDEX_ENTRY_SIZE],
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94 }
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95
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96 impl IndexData {
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97 pub fn new(bytes: Box<dyn Deref<Target = [u8]> + Send + Sync>) -> Self {
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98 let mut first_entry = [0; INDEX_ENTRY_SIZE];
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99 if bytes.len() >= INDEX_ENTRY_SIZE {
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100 first_entry[INDEX_HEADER_SIZE..]
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101 .copy_from_slice(&bytes[INDEX_HEADER_SIZE..INDEX_ENTRY_SIZE])
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102 }
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103 Self {
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104 bytes,
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105 truncation: None,
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106 added: vec![],
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107 first_entry,
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108 }
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109 }
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110
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111 pub fn len(&self) -> usize {
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112 match self.truncation {
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113 Some(truncation) => truncation + self.added.len(),
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114 None => self.bytes.len() + self.added.len(),
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115 }
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116 }
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117
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118 fn remove(
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119 &mut self,
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120 rev: Revision,
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121 offsets: Option<&[usize]>,
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122 ) -> Result<(), RevlogError> {
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123 let rev = rev.0 as usize;
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124 let truncation = if let Some(offsets) = offsets {
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125 offsets[rev]
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126 } else {
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127 rev * INDEX_ENTRY_SIZE
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128 };
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129 if truncation < self.bytes.len() {
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130 self.truncation = Some(truncation);
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131 self.added.clear();
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132 } else {
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133 self.added.truncate(truncation - self.bytes.len());
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134 }
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135 Ok(())
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136 }
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137
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138 fn is_new(&self) -> bool {
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139 self.bytes.is_empty()
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140 }
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141 }
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142
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143 impl std::ops::Index<std::ops::Range<usize>> for IndexData {
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144 type Output = [u8];
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145
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146 fn index(&self, index: std::ops::Range<usize>) -> &Self::Output {
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147 let start = index.start;
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148 let end = index.end;
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149 let immutable_len = match self.truncation {
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150 Some(truncation) => truncation,
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151 None => self.bytes.len(),
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152 };
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153 if start < immutable_len {
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154 if end > immutable_len {
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155 panic!("index data cannot span existing and added ranges");
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156 }
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157 &self.bytes[index]
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158 } else {
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159 &self.added[start - immutable_len..end - immutable_len]
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160 }
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161 }
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162 }
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163
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164 #[derive(Debug, PartialEq, Eq)]
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165 pub struct RevisionDataParams {
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166 pub flags: u16,
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167 pub data_offset: u64,
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168 pub data_compressed_length: i32,
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169 pub data_uncompressed_length: i32,
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170 pub data_delta_base: i32,
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171 pub link_rev: i32,
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172 pub parent_rev_1: i32,
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173 pub parent_rev_2: i32,
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174 pub node_id: [u8; NODE_BYTES_LENGTH],
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175 pub _sidedata_offset: u64,
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176 pub _sidedata_compressed_length: i32,
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177 pub data_compression_mode: u8,
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178 pub _sidedata_compression_mode: u8,
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179 pub _rank: i32,
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180 }
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181
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182 impl Default for RevisionDataParams {
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183 fn default() -> Self {
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184 Self {
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185 flags: 0,
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186 data_offset: 0,
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187 data_compressed_length: 0,
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188 data_uncompressed_length: 0,
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189 data_delta_base: -1,
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190 link_rev: -1,
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191 parent_rev_1: -1,
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192 parent_rev_2: -1,
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193 node_id: [0; NODE_BYTES_LENGTH],
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194 _sidedata_offset: 0,
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195 _sidedata_compressed_length: 0,
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196 data_compression_mode: COMPRESSION_MODE_INLINE,
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197 _sidedata_compression_mode: COMPRESSION_MODE_INLINE,
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198 _rank: -1,
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199 }
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200 }
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201 }
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202
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203 #[derive(BytesCast)]
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204 #[repr(C)]
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205 pub struct RevisionDataV1 {
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206 data_offset_or_flags: unaligned::U64Be,
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207 data_compressed_length: unaligned::I32Be,
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208 data_uncompressed_length: unaligned::I32Be,
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209 data_delta_base: unaligned::I32Be,
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210 link_rev: unaligned::I32Be,
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211 parent_rev_1: unaligned::I32Be,
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212 parent_rev_2: unaligned::I32Be,
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213 node_id: [u8; STORED_NODE_ID_BYTES],
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214 }
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215
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216 fn _static_assert_size_of_revision_data_v1() {
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217 let _ = std::mem::transmute::<RevisionDataV1, [u8; 64]>;
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218 }
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219
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220 impl RevisionDataParams {
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221 pub fn validate(&self) -> Result<(), RevlogError> {
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222 if self.flags & !REVIDX_KNOWN_FLAGS != 0 {
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223 return Err(RevlogError::corrupted(format!(
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224 "unknown revlog index flags: {}",
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225 self.flags
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226 )));
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227 }
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228 if self.data_compression_mode != COMPRESSION_MODE_INLINE {
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229 return Err(RevlogError::corrupted(format!(
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230 "invalid data compression mode: {}",
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231 self.data_compression_mode
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232 )));
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233 }
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234 // FIXME isn't this only for v2 or changelog v2?
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235 if self._sidedata_compression_mode != COMPRESSION_MODE_INLINE {
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236 return Err(RevlogError::corrupted(format!(
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237 "invalid sidedata compression mode: {}",
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238 self._sidedata_compression_mode
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239 )));
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240 }
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241 Ok(())
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242 }
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243
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244 pub fn into_v1(self) -> RevisionDataV1 {
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245 let data_offset_or_flags = self.data_offset << 16 | self.flags as u64;
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246 let mut node_id = [0; STORED_NODE_ID_BYTES];
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247 node_id[..NODE_BYTES_LENGTH].copy_from_slice(&self.node_id);
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248 RevisionDataV1 {
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249 data_offset_or_flags: data_offset_or_flags.into(),
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250 data_compressed_length: self.data_compressed_length.into(),
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251 data_uncompressed_length: self.data_uncompressed_length.into(),
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diff changeset
252 data_delta_base: self.data_delta_base.into(),
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253 link_rev: self.link_rev.into(),
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254 parent_rev_1: self.parent_rev_1.into(),
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diff changeset
255 parent_rev_2: self.parent_rev_2.into(),
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256 node_id,
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257 }
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258 }
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259 }
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260
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261 /// A Revlog index
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diff changeset
262 pub struct Index {
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263 bytes: IndexData,
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264 /// Offsets of starts of index blocks.
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265 /// Only needed when the index is interleaved with data.
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266 offsets: RwLock<Option<Vec<usize>>>,
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267 uses_generaldelta: bool,
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268 is_inline: bool,
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269 /// Cache of (head_revisions, filtered_revisions)
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270 ///
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271 /// The head revisions in this index, kept in sync. Should
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272 /// be accessed via the [`Self::head_revs`] method.
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273 /// The last filtered revisions in this index, used to make sure
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274 /// we haven't changed filters when returning the cached `head_revs`.
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275 pub(super) head_revs: RwLock<(Vec<Revision>, HashSet<Revision>)>,
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276 }
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277
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278 impl Debug for Index {
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279 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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280 f.debug_struct("Index")
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281 .field("offsets", &self.offsets)
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282 .field("uses_generaldelta", &self.uses_generaldelta)
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283 .finish()
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284 }
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285 }
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286
50975
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287 impl Graph for Index {
51254
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288 #[inline(always)]
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289 fn parents(&self, rev: Revision) -> Result<[Revision; 2], GraphError> {
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290 let err = || GraphError::ParentOutOfRange(rev);
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291 match self.get_entry(rev) {
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292 Some(entry) => {
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293 // The C implementation checks that the parents are valid
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294 // before returning
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295 Ok([
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296 self.check_revision(entry.p1()).ok_or_else(err)?,
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297 self.check_revision(entry.p2()).ok_or_else(err)?,
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298 ])
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299 }
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300 None => Ok([NULL_REVISION, NULL_REVISION]),
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301 }
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302 }
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303 }
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304
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305 /// A cache suitable for find_snapshots
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306 ///
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307 /// Logically equivalent to a mapping whose keys are [`BaseRevision`] and
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308 /// values sets of [`BaseRevision`]
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309 ///
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310 /// TODO the dubious part is insisting that errors must be RevlogError
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311 /// we would probably need to sprinkle some magic here, such as an associated
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312 /// type that would be `Into<RevlogError>` but even that would not be
51209
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313 /// satisfactory, as errors potentially have nothing to do with the revlog.
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314 pub trait SnapshotsCache {
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315 fn insert_for(
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316 &mut self,
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317 rev: BaseRevision,
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diff changeset
318 value: BaseRevision,
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diff changeset
319 ) -> Result<(), RevlogError>;
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320 }
9b06e7f32bc5 rust-index: add support for `find_snapshots`
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diff changeset
321
9b06e7f32bc5 rust-index: add support for `find_snapshots`
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diff changeset
322 impl SnapshotsCache for FastHashMap<BaseRevision, HashSet<BaseRevision>> {
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diff changeset
323 fn insert_for(
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diff changeset
324 &mut self,
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diff changeset
325 rev: BaseRevision,
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diff changeset
326 value: BaseRevision,
9b06e7f32bc5 rust-index: add support for `find_snapshots`
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diff changeset
327 ) -> Result<(), RevlogError> {
51269
c4cbb515b006 rust-clippy: apply some more trivial fixes
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diff changeset
328 let all_values = self.entry(rev).or_default();
51209
9b06e7f32bc5 rust-index: add support for `find_snapshots`
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diff changeset
329 all_values.insert(value);
9b06e7f32bc5 rust-index: add support for `find_snapshots`
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diff changeset
330 Ok(())
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parents: 51208
diff changeset
331 }
9b06e7f32bc5 rust-index: add support for `find_snapshots`
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diff changeset
332 }
9b06e7f32bc5 rust-index: add support for `find_snapshots`
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parents: 51208
diff changeset
333
45601
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
334 impl Index {
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
335 /// Create an index from bytes.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
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diff changeset
336 /// Calculate the start of each entry when is_inline is true.
45602
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
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diff changeset
337 pub fn new(
51230
ca81cd96000a rust-index: add Sync bound to all relevant mmap-derived values
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parents: 51226
diff changeset
338 bytes: Box<dyn Deref<Target = [u8]> + Send + Sync>,
51188
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
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diff changeset
339 default_header: IndexHeader,
47963
001d747c2baf rust: Return HgError instead of RevlogError in revlog constructors
Simon Sapin <simon.sapin@octobus.net>
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diff changeset
340 ) -> Result<Self, HgError> {
52158
f2eab4967bfc rust-index: return an error on a bad index header
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diff changeset
341 let header = if bytes.len() < INDEX_ENTRY_SIZE {
f2eab4967bfc rust-index: return an error on a bad index header
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diff changeset
342 default_header
f2eab4967bfc rust-index: return an error on a bad index header
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diff changeset
343 } else {
f2eab4967bfc rust-index: return an error on a bad index header
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diff changeset
344 IndexHeader::parse(bytes.as_ref())?
f2eab4967bfc rust-index: return an error on a bad index header
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diff changeset
345 };
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
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diff changeset
346
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
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diff changeset
347 if header.format_version() != IndexHeader::REVLOGV1 {
1fb3615dfce2 rhg: centralize index header parsing
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diff changeset
348 // A proper new version should have had a repo/store
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
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diff changeset
349 // requirement.
1fb3615dfce2 rhg: centralize index header parsing
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diff changeset
350 return Err(HgError::corrupted("unsupported revlog version"));
1fb3615dfce2 rhg: centralize index header parsing
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diff changeset
351 }
1fb3615dfce2 rhg: centralize index header parsing
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diff changeset
352
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
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diff changeset
353 let uses_generaldelta = header.format_flags().uses_generaldelta();
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
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diff changeset
354
48457
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diff changeset
355 if header.format_flags().is_inline() {
45526
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parents:
diff changeset
356 let mut offset: usize = 0;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
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diff changeset
357 let mut offsets = Vec::new();
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358
45590
11f3c3f408fd hg-core: minor code style change (D8958#inline-14993 followup)
Antoine cezar<acezar@chwitlabs.fr>
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diff changeset
359 while offset + INDEX_ENTRY_SIZE <= bytes.len() {
45526
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diff changeset
360 offsets.push(offset);
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
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diff changeset
361 let end = offset + INDEX_ENTRY_SIZE;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
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parents:
diff changeset
362 let entry = IndexEntry {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
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diff changeset
363 bytes: &bytes[offset..end],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
364 };
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
365
48543
0a4ac916673e rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents: 48458
diff changeset
366 offset += INDEX_ENTRY_SIZE + entry.compressed_len() as usize;
45526
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diff changeset
367 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
368
45602
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
369 if offset == bytes.len() {
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
370 Ok(Self {
51185
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
371 bytes: IndexData::new(bytes),
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
372 offsets: RwLock::new(Some(offsets)),
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
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diff changeset
373 uses_generaldelta,
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
374 is_inline: true,
51231
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
375 head_revs: RwLock::new((vec![], HashSet::new())),
45602
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
376 })
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
377 } else {
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
378 Err(HgError::corrupted("unexpected inline revlog length"))
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
379 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
380 } else {
45602
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
381 Ok(Self {
51185
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
382 bytes: IndexData::new(bytes),
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
383 offsets: RwLock::new(None),
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
384 uses_generaldelta,
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
385 is_inline: false,
51231
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
386 head_revs: RwLock::new((vec![], HashSet::new())),
45602
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
387 })
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
388 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
389 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
390
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
391 pub fn uses_generaldelta(&self) -> bool {
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
392 self.uses_generaldelta
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
393 }
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
394
45601
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
395 /// Value of the inline flag.
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
396 pub fn is_inline(&self) -> bool {
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
397 self.is_inline
45601
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
398 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
399
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
400 /// Return a slice of bytes if `revlog` is inline. Panic if not.
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
401 pub fn data(&self, start: usize, end: usize) -> &[u8] {
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
402 if !self.is_inline() {
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
403 panic!("tried to access data in the index of a revlog that is not inline");
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
404 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
405 &self.bytes[start..end]
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
406 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
407
45536
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
408 /// Return number of entries of the revlog index.
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
409 pub fn len(&self) -> usize {
51261
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
410 if self.is_inline() {
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
411 (*self.get_offsets())
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
412 .as_ref()
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
413 .expect("inline should have offsets")
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
414 .len()
45536
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
415 } else {
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
416 self.bytes.len() / INDEX_ENTRY_SIZE
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
417 }
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
418 }
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
419
52173
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
420 /// Same as `rev_from_node`, without using a persistent nodemap
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
421 ///
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
422 /// This is used as fallback when a persistent nodemap is not present.
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
423 /// This happens when the persistent-nodemap experimental feature is not
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
424 /// enabled, or for small revlogs.
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
425 pub fn rev_from_node_no_persistent_nodemap(
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
426 &self,
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
427 node: NodePrefix,
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
428 ) -> Result<Revision, RevlogError> {
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
429 // Linear scan of the revlog
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
430 // TODO: consider building a non-persistent nodemap in memory to
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
431 // optimize these cases.
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
432 let mut found_by_prefix = None;
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
433 for rev in (-1..self.len() as BaseRevision).rev() {
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
434 let rev = Revision(rev as BaseRevision);
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
435 let candidate_node = if rev == Revision(-1) {
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
436 NULL_NODE
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
437 } else {
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
438 let index_entry = self.get_entry(rev).ok_or_else(|| {
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
439 HgError::corrupted(
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
440 "revlog references a revision not in the index",
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
441 )
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
442 })?;
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
443 *index_entry.hash()
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
444 };
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
445 if node == candidate_node {
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
446 return Ok(rev);
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
447 }
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
448 if node.is_prefix_of(&candidate_node) {
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
449 if found_by_prefix.is_some() {
52343
393ad2685fb4 rust: make RevlogError AmbiguousPrefix case contain the actual prefix
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 52306
diff changeset
450 return Err(RevlogError::AmbiguousPrefix(format!(
393ad2685fb4 rust: make RevlogError AmbiguousPrefix case contain the actual prefix
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 52306
diff changeset
451 "{:x}",
393ad2685fb4 rust: make RevlogError AmbiguousPrefix case contain the actual prefix
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 52306
diff changeset
452 node
393ad2685fb4 rust: make RevlogError AmbiguousPrefix case contain the actual prefix
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 52306
diff changeset
453 )));
52173
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
454 }
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
455 found_by_prefix = Some(rev)
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
456 }
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
457 }
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
458 found_by_prefix
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
459 .ok_or_else(|| RevlogError::InvalidRevision(format!("{:x}", node)))
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
460 }
1da6995835b4 rust-revlog: move non-persistent-nodemap rev lookup to the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52161
diff changeset
461
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
462 pub fn get_offsets(&self) -> RwLockReadGuard<Option<Vec<usize>>> {
51261
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
463 assert!(self.is_inline());
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
464 {
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
465 // Wrap in a block to drop the read guard
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
466 let mut offsets = self.offsets.write().unwrap();
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
467 if offsets.is_none() {
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
468 offsets.replace(inline_scan(&self.bytes.bytes).1);
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
469 }
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
470 }
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
471 self.offsets.read().unwrap()
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
472 }
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
473
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
474 pub fn get_offsets_mut(&mut self) -> RwLockWriteGuard<Option<Vec<usize>>> {
51261
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
475 assert!(self.is_inline());
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
476 let mut offsets = self.offsets.write().unwrap();
51261
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
477 if offsets.is_none() {
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
478 offsets.replace(inline_scan(&self.bytes.bytes).1);
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
479 }
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
480 offsets
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
481 }
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
482
45536
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
483 /// Returns `true` if the `Index` has zero `entries`.
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
484 pub fn is_empty(&self) -> bool {
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
485 self.len() == 0
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
486 }
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
487
51200
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
488 /// Return the index entry corresponding to the given revision or `None`
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
489 /// for [`NULL_REVISION`]
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
490 ///
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
491 /// The specified revision being of the checked type, it always exists
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
492 /// if it was validated by this index.
51850
5baa52ca4932 rust-inner-revlog: always inline `get_entry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51849
diff changeset
493 #[inline(always)]
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
494 pub fn get_entry(&self, rev: Revision) -> Option<IndexEntry> {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
495 if rev == NULL_REVISION {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
496 return None;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
497 }
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
498 if rev.0 == 0 {
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
499 Some(IndexEntry {
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
500 bytes: &self.bytes.first_entry[..],
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
501 })
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
502 } else {
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
503 Some(if self.is_inline() {
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
504 self.get_entry_inline(rev)
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
505 } else {
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
506 self.get_entry_separated(rev)
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
507 })
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
508 }
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
509 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
510
51200
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
511 /// Return the binary content of the index entry for the given revision
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
512 ///
52290
a3fa37bdb7ec rust: normalize `_for_unchecked_rev` naming among revlogs and the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52178
diff changeset
513 /// See [`Self::get_entry`] for cases when `None` is returned.
51200
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
514 pub fn entry_binary(&self, rev: Revision) -> Option<&[u8]> {
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
515 self.get_entry(rev).map(|e| {
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
516 let bytes = e.as_bytes();
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
517 if rev.0 == 0 {
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
518 &bytes[4..]
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
519 } else {
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
520 bytes
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
521 }
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
522 })
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
523 }
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
524
51202
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
525 pub fn entry_as_params(
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
526 &self,
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
527 rev: UncheckedRevision,
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
528 ) -> Option<RevisionDataParams> {
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
529 let rev = self.check_revision(rev)?;
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
530 self.get_entry(rev).map(|e| RevisionDataParams {
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
531 flags: e.flags(),
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
532 data_offset: if rev.0 == 0 && !self.bytes.is_new() {
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
533 e.flags() as u64
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
534 } else {
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
535 e.raw_offset()
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
536 },
51233
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51232
diff changeset
537 data_compressed_length: e
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51232
diff changeset
538 .compressed_len()
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51232
diff changeset
539 .try_into()
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51232
diff changeset
540 .unwrap_or_else(|_| {
52290
a3fa37bdb7ec rust: normalize `_for_unchecked_rev` naming among revlogs and the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52178
diff changeset
541 // Python's `unionrepo` sets the compressed length to
a3fa37bdb7ec rust: normalize `_for_unchecked_rev` naming among revlogs and the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52178
diff changeset
542 // be `-1` (or `u32::MAX` if
a3fa37bdb7ec rust: normalize `_for_unchecked_rev` naming among revlogs and the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52178
diff changeset
543 // transmuted to `u32`) because it
51233
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51232
diff changeset
544 // cannot know the correct compressed length of a given
52290
a3fa37bdb7ec rust: normalize `_for_unchecked_rev` naming among revlogs and the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52178
diff changeset
545 // revision. I'm not sure if this is true, but having
a3fa37bdb7ec rust: normalize `_for_unchecked_rev` naming among revlogs and the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52178
diff changeset
546 // this edge case won't hurt
a3fa37bdb7ec rust: normalize `_for_unchecked_rev` naming among revlogs and the index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52178
diff changeset
547 // other use cases, let's handle it.
51233
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51232
diff changeset
548 assert_eq!(e.compressed_len(), u32::MAX);
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51232
diff changeset
549 NULL_REVISION.0
eb676c35a29b rust-index: support `unionrepo`'s compressed length hack
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51232
diff changeset
550 }),
51202
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
551 data_uncompressed_length: e.uncompressed_len(),
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
552 data_delta_base: e.base_revision_or_base_of_delta_chain().0,
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
553 link_rev: e.link_revision().0,
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
554 parent_rev_1: e.p1().0,
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
555 parent_rev_2: e.p2().0,
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
556 node_id: e.hash().as_bytes().try_into().unwrap(),
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
557 ..Default::default()
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
558 })
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
559 }
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
560
51261
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
561 fn get_entry_inline(&self, rev: Revision) -> IndexEntry {
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
562 let offsets = &self.get_offsets();
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
563 let offsets = offsets.as_ref().expect("inline should have offsets");
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
564 let start = offsets[rev.0 as usize];
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
565 let end = start + INDEX_ENTRY_SIZE;
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
566 let bytes = &self.bytes[start..end];
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
567
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
568 IndexEntry { bytes }
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
569 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
570
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
571 fn get_entry_separated(&self, rev: Revision) -> IndexEntry {
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
572 let start = rev.0 as usize * INDEX_ENTRY_SIZE;
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
573 let end = start + INDEX_ENTRY_SIZE;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
574 let bytes = &self.bytes[start..end];
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
575
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
576 IndexEntry { bytes }
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
577 }
51186
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
578
51215
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
579 fn null_entry(&self) -> IndexEntry {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
580 IndexEntry {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
581 bytes: &[0; INDEX_ENTRY_SIZE],
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
582 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
583 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
584
51212
a7bba7df9189 rust-index: implement headrevs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51210
diff changeset
585 /// Return the head revisions of this index
51231
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
586 pub fn head_revs(&self) -> Result<Vec<Revision>, GraphError> {
51975
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
587 self.head_revs_advanced(&HashSet::new(), None, false)
51258
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51257
diff changeset
588 .map(|h| h.unwrap())
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51257
diff changeset
589 }
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51257
diff changeset
590
51974
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
591 /// Return the head revisions of this index
51975
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
592 pub fn head_revs_advanced(
51974
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
593 &self,
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
594 filtered_revs: &HashSet<Revision>,
51975
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
595 stop_rev: Option<Revision>,
51974
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
596 py_shortcut: bool,
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
597 ) -> Result<Option<Vec<Revision>>, GraphError> {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
598 {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
599 let guard = self
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
600 .head_revs
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
601 .read()
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
602 .expect("RwLock on Index.head_revs should not be poisoned");
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
603 let self_head_revs = &guard.0;
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
604 let self_filtered_revs = &guard.1;
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
605 if !self_head_revs.is_empty()
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
606 && filtered_revs == self_filtered_revs
51975
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
607 && stop_rev.is_none()
51974
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
608 {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
609 if py_shortcut {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
610 // Don't copy the revs since we've already cached them
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
611 // on the Python side.
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
612 return Ok(None);
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
613 } else {
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
614 return Ok(Some(self_head_revs.to_owned()));
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
615 }
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
616 }
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
617 }
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
618
51975
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
619 let (as_vec, cachable) = if self.is_empty() {
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
620 (vec![NULL_REVISION], true)
51974
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
621 } else {
51975
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
622 let length: usize = match stop_rev {
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
623 Some(r) => r.0 as usize,
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
624 None => self.len(),
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
625 };
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
626 let cachable = self.len() == length;
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
627 let mut not_heads = bitvec![0; length];
51974
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
628 dagops::retain_heads_fast(
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
629 self,
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
630 not_heads.as_mut_bitslice(),
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
631 filtered_revs,
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
632 )?;
51975
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
633 (
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
634 not_heads
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
635 .into_iter()
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
636 .enumerate()
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
637 .filter_map(|(idx, is_not_head)| {
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
638 if is_not_head {
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
639 None
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
640 } else {
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
641 Some(Revision(idx as BaseRevision))
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
642 }
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
643 })
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
644 .collect(),
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
645 cachable,
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
646 )
51974
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
647 };
51975
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
648 if cachable {
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
649 *self
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
650 .head_revs
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
651 .write()
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
652 .expect("RwLock on Index.head_revs should not be poisoned") =
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
653 (as_vec.to_owned(), filtered_revs.to_owned());
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
654 }
51974
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
655 Ok(Some(as_vec))
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
656 }
5d1e6f447d2d head-revs: move hg-core's inner_headrevsfiltered closer to inner_headrevs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51850
diff changeset
657
51258
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51257
diff changeset
658 /// Python-specific shortcut to save on PyList creation
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51257
diff changeset
659 pub fn head_revs_shortcut(
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51257
diff changeset
660 &self,
9088c6d65ef6 rust-index-cpython: cache the heads' PyList representation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51257
diff changeset
661 ) -> Result<Option<Vec<Revision>>, GraphError> {
51975
609700e5d8df head-revs: add a native implementation of the `stop_rev` parameter
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51974
diff changeset
662 self.head_revs_advanced(&HashSet::new(), None, true)
51213
9f876765cbe2 rust-index: add support for `headrevsfiltered`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51212
diff changeset
663 }
9f876765cbe2 rust-index: add support for `headrevsfiltered`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51212
diff changeset
664
51394
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
665 /// Return the heads removed and added by advancing from `begin` to `end`.
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
666 /// In revset language, we compute:
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
667 /// - `heads(:begin)-heads(:end)`
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
668 /// - `heads(:end)-heads(:begin)`
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
669 pub fn head_revs_diff(
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
670 &self,
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
671 begin: Revision,
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
672 end: Revision,
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
673 ) -> Result<(Vec<Revision>, Vec<Revision>), GraphError> {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
674 let mut heads_added = vec![];
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
675 let mut heads_removed = vec![];
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
676
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
677 let mut acc = HashSet::new();
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
678 let Revision(begin) = begin;
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
679 let Revision(end) = end;
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
680 let mut i = end;
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
681
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
682 while i > begin {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
683 // acc invariant:
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
684 // `j` is in the set iff `j <= i` and it has children
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
685 // among `i+1..end` (inclusive)
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
686 if !acc.remove(&i) {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
687 heads_added.push(Revision(i));
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
688 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
689 for Revision(parent) in self.parents(Revision(i))? {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
690 acc.insert(parent);
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
691 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
692 i -= 1;
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
693 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
694
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
695 // At this point `acc` contains old revisions that gained new children.
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
696 // We need to check if they had any children before. If not, those
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
697 // revisions are the removed heads.
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
698 while !acc.is_empty() {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
699 // acc invariant:
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
700 // `j` is in the set iff `j <= i` and it has children
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
701 // among `begin+1..end`, but not among `i+1..begin` (inclusive)
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
702
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
703 assert!(i >= -1); // yes, `-1` can also be a head if the repo is empty
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
704 if acc.remove(&i) {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
705 heads_removed.push(Revision(i));
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
706 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
707 for Revision(parent) in self.parents(Revision(i))? {
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
708 acc.remove(&parent);
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
709 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
710 i -= 1;
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
711 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
712
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
713 Ok((heads_removed, heads_added))
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
714 }
b01e7d97e167 revlog: add a Rust implementation of `headrevsdiff`
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51269
diff changeset
715
51210
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
716 /// Obtain the delta chain for a revision.
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
717 ///
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
718 /// `stop_rev` specifies a revision to stop at. If not specified, we
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
719 /// stop at the base of the chain.
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
720 ///
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
721 /// Returns a 2-tuple of (chain, stopped) where `chain` is a vec of
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
722 /// revs in ascending order and `stopped` is a bool indicating whether
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
723 /// `stoprev` was hit.
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
724 pub fn delta_chain(
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
725 &self,
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
726 rev: Revision,
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
727 stop_rev: Option<Revision>,
51232
456e0fe702e8 rust-index: honour incoming using_general_delta in `deltachain`
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51231
diff changeset
728 using_general_delta: Option<bool>,
51210
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
729 ) -> Result<(Vec<Revision>, bool), HgError> {
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
730 let mut current_rev = rev;
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
731 let mut entry = self.get_entry(rev).unwrap();
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
732 let mut chain = vec![];
51232
456e0fe702e8 rust-index: honour incoming using_general_delta in `deltachain`
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51231
diff changeset
733 let using_general_delta =
456e0fe702e8 rust-index: honour incoming using_general_delta in `deltachain`
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51231
diff changeset
734 using_general_delta.unwrap_or_else(|| self.uses_generaldelta());
51210
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
735 while current_rev.0 != entry.base_revision_or_base_of_delta_chain().0
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
736 && stop_rev.map(|r| r != current_rev).unwrap_or(true)
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
737 {
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
738 chain.push(current_rev);
51232
456e0fe702e8 rust-index: honour incoming using_general_delta in `deltachain`
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51231
diff changeset
739 let new_rev = if using_general_delta {
51210
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
740 entry.base_revision_or_base_of_delta_chain()
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
741 } else {
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
742 UncheckedRevision(current_rev.0 - 1)
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
743 };
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
744 current_rev = self.check_revision(new_rev).ok_or_else(|| {
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
745 HgError::corrupted(format!("Revision {new_rev} out of range"))
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
746 })?;
51215
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
747 if current_rev.0 == NULL_REVISION.0 {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
748 break;
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
749 }
51210
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
750 entry = self.get_entry(current_rev).unwrap()
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
751 }
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
752
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
753 let stopped = if stop_rev.map(|r| current_rev == r).unwrap_or(false) {
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
754 true
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
755 } else {
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
756 chain.push(current_rev);
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
757 false
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
758 };
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
759 chain.reverse();
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
760 Ok((chain, stopped))
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
761 }
62e39bef36ca rust-index: add support for delta-chain computation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51209
diff changeset
762
51209
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
763 pub fn find_snapshots(
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
764 &self,
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
765 start_rev: UncheckedRevision,
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
766 end_rev: UncheckedRevision,
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
767 cache: &mut impl SnapshotsCache,
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
768 ) -> Result<(), RevlogError> {
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
769 let mut start_rev = start_rev.0;
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
770 let mut end_rev = end_rev.0;
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
771 end_rev += 1;
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
772 let len = self.len().try_into().unwrap();
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
773 if end_rev > len {
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
774 end_rev = len;
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
775 }
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
776 if start_rev < 0 {
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
777 start_rev = 0;
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
778 }
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
779 for rev in start_rev..end_rev {
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
780 if !self.is_snapshot_unchecked(Revision(rev))? {
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
781 continue;
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
782 }
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
783 let mut base = self
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
784 .get_entry(Revision(rev))
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
785 .unwrap()
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
786 .base_revision_or_base_of_delta_chain();
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
787 if base.0 == rev {
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
788 base = NULL_REVISION.into();
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
789 }
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
790 cache.insert_for(base.0, rev)?;
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
791 }
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
792 Ok(())
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
793 }
9b06e7f32bc5 rust-index: add support for `find_snapshots`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51208
diff changeset
794
51231
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
795 fn clear_head_revs(&self) {
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
796 self.head_revs
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
797 .write()
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
798 .expect("RwLock on Index.head_revs should not be poisoined")
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
799 .0
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
800 .clear()
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
801 }
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
802
51186
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
803 /// TODO move this to the trait probably, along with other things
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
804 pub fn append(
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
805 &mut self,
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
806 revision_data: RevisionDataParams,
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
807 ) -> Result<(), RevlogError> {
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
808 revision_data.validate()?;
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
809 let entry_v1 = revision_data.into_v1();
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
810 let entry_bytes = entry_v1.as_bytes();
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
811 if self.bytes.len() == 0 {
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
812 self.bytes.first_entry[INDEX_HEADER_SIZE..].copy_from_slice(
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
813 &entry_bytes[INDEX_HEADER_SIZE..INDEX_ENTRY_SIZE],
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
814 )
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
815 }
51261
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
816 if self.is_inline() {
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
817 let new_offset = self.bytes.len();
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
818 if let Some(offsets) = &mut *self.get_offsets_mut() {
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
819 offsets.push(new_offset)
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
820 }
51186
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
821 }
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
822 self.bytes.added.extend(entry_bytes);
51231
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
823 self.clear_head_revs();
51186
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
824 Ok(())
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
825 }
51192
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
826
51195
51cc12158f97 rust-index: add `pack_header` support
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51194
diff changeset
827 pub fn pack_header(&self, header: i32) -> [u8; 4] {
51cc12158f97 rust-index: add `pack_header` support
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51194
diff changeset
828 header.to_be_bytes()
51cc12158f97 rust-index: add `pack_header` support
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51194
diff changeset
829 }
51cc12158f97 rust-index: add `pack_header` support
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51194
diff changeset
830
51192
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
831 pub fn remove(&mut self, rev: Revision) -> Result<(), RevlogError> {
51261
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
832 let offsets = if self.is_inline() {
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
833 self.get_offsets().clone()
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
834 } else {
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
835 None
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
836 };
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
837 self.bytes.remove(rev, offsets.as_deref())?;
51261
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
838 if self.is_inline() {
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
839 if let Some(offsets) = &mut *self.get_offsets_mut() {
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
840 offsets.truncate(rev.0 as usize)
47a34afda7ad rust-index: only access offsets if revlog is inline
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51258
diff changeset
841 }
51192
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
842 }
51231
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
843 self.clear_head_revs();
51192
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
844 Ok(())
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
845 }
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
846
51231
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
847 pub fn clear_caches(&self) {
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
848 // We need to get the 'inline' value from Python at init and use this
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
849 // instead of offsets to determine whether we're inline since we might
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
850 // clear caches. This implies re-populating the offsets on-demand.
51231
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
851 *self
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
852 .offsets
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
853 .write()
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
854 .expect("RwLock on Index.offsets should not be poisoed") = None;
59183a19954e rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51230
diff changeset
855 self.clear_head_revs();
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
856 }
51208
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
857
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
858 /// Unchecked version of `is_snapshot`.
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
859 /// Assumes the caller checked that `rev` is within a valid revision range.
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
860 pub fn is_snapshot_unchecked(
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
861 &self,
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
862 mut rev: Revision,
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
863 ) -> Result<bool, RevlogError> {
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
864 while rev.0 >= 0 {
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
865 let entry = self.get_entry(rev).unwrap();
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
866 let mut base = entry.base_revision_or_base_of_delta_chain().0;
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
867 if base == rev.0 {
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
868 base = NULL_REVISION.0;
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
869 }
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
870 if base == NULL_REVISION.0 {
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
871 return Ok(true);
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
872 }
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
873 let [mut p1, mut p2] = self
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
874 .parents(rev)
52041
652149ed64f0 rust: improve `InvalidRevision` error message
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51975
diff changeset
875 .map_err(|e| RevlogError::InvalidRevision(e.to_string()))?;
51208
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
876 while let Some(p1_entry) = self.get_entry(p1) {
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
877 if p1_entry.compressed_len() != 0 || p1.0 == 0 {
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
878 break;
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
879 }
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
880 let parent_base =
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
881 p1_entry.base_revision_or_base_of_delta_chain();
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
882 if parent_base.0 == p1.0 {
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
883 break;
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
884 }
52041
652149ed64f0 rust: improve `InvalidRevision` error message
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51975
diff changeset
885 p1 = self.check_revision(parent_base).ok_or(
652149ed64f0 rust: improve `InvalidRevision` error message
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51975
diff changeset
886 RevlogError::InvalidRevision(parent_base.to_string()),
652149ed64f0 rust: improve `InvalidRevision` error message
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51975
diff changeset
887 )?;
51208
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
888 }
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
889 while let Some(p2_entry) = self.get_entry(p2) {
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
890 if p2_entry.compressed_len() != 0 || p2.0 == 0 {
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
891 break;
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
892 }
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
893 let parent_base =
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
894 p2_entry.base_revision_or_base_of_delta_chain();
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
895 if parent_base.0 == p2.0 {
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
896 break;
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
897 }
52041
652149ed64f0 rust: improve `InvalidRevision` error message
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51975
diff changeset
898 p2 = self.check_revision(parent_base).ok_or(
652149ed64f0 rust: improve `InvalidRevision` error message
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51975
diff changeset
899 RevlogError::InvalidRevision(parent_base.to_string()),
652149ed64f0 rust: improve `InvalidRevision` error message
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51975
diff changeset
900 )?;
51208
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
901 }
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
902 if base == p1.0 || base == p2.0 {
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
903 return Ok(false);
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
904 }
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
905 rev = self
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
906 .check_revision(base.into())
52041
652149ed64f0 rust: improve `InvalidRevision` error message
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51975
diff changeset
907 .ok_or(RevlogError::InvalidRevision(base.to_string()))?;
51208
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
908 }
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
909 Ok(rev == NULL_REVISION)
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
910 }
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
911
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
912 /// Return whether the given revision is a snapshot. Returns an error if
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
913 /// `rev` is not within a valid revision range.
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
914 pub fn is_snapshot(
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
915 &self,
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
916 rev: UncheckedRevision,
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
917 ) -> Result<bool, RevlogError> {
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
918 let rev = self
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
919 .check_revision(rev)
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
920 .ok_or_else(|| RevlogError::corrupted("test"))?;
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
921 self.is_snapshot_unchecked(rev)
b8c89957a6b7 rust-index: add `is_snapshot` method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51206
diff changeset
922 }
51215
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
923
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
924 /// Slice revs to reduce the amount of unrelated data to be read from disk.
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
925 ///
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
926 /// The index is sliced into groups that should be read in one time.
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
927 ///
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
928 /// The initial chunk is sliced until the overall density
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
929 /// (payload/chunks-span ratio) is above `target_density`.
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
930 /// No gap smaller than `min_gap_size` is skipped.
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
931 pub fn slice_chunk_to_density(
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
932 &self,
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
933 revs: &[Revision],
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
934 target_density: f64,
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
935 min_gap_size: usize,
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
936 ) -> Vec<Vec<Revision>> {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
937 if revs.is_empty() {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
938 return vec![];
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
939 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
940 if revs.len() == 1 {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
941 return vec![revs.to_owned()];
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
942 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
943 let delta_chain_span = self.segment_span(revs);
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
944 if delta_chain_span < min_gap_size {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
945 return vec![revs.to_owned()];
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
946 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
947 let entries: Vec<_> = revs
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
948 .iter()
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
949 .map(|r| {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
950 (*r, self.get_entry(*r).unwrap_or_else(|| self.null_entry()))
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
951 })
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
952 .collect();
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
953
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
954 let mut read_data = delta_chain_span;
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
955 let chain_payload: u32 =
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
956 entries.iter().map(|(_r, e)| e.compressed_len()).sum();
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
957 let mut density = if delta_chain_span > 0 {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
958 chain_payload as f64 / delta_chain_span as f64
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
959 } else {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
960 1.0
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
961 };
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
962
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
963 if density >= target_density {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
964 return vec![revs.to_owned()];
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
965 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
966
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
967 // Store the gaps in a heap to have them sorted by decreasing size
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
968 let mut gaps = Vec::new();
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
969 let mut previous_end = None;
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
970
52159
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
971 for (i, (rev, entry)) in entries.iter().enumerate() {
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
972 let start = self.start(*rev, entry);
51215
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
973 let length = entry.compressed_len();
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
974
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
975 // Skip empty revisions to form larger holes
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
976 if length == 0 {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
977 continue;
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
978 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
979
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
980 if let Some(end) = previous_end {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
981 let gap_size = start - end;
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
982 // Only consider holes that are large enough
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
983 if gap_size > min_gap_size {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
984 gaps.push((gap_size, i));
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
985 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
986 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
987 previous_end = Some(start + length as usize);
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
988 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
989 if gaps.is_empty() {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
990 return vec![revs.to_owned()];
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
991 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
992 // sort the gaps to pop them from largest to small
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
993 gaps.sort_unstable();
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
994
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
995 // Collect the indices of the largest holes until
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
996 // the density is acceptable
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
997 let mut selected = vec![];
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
998 while let Some((gap_size, gap_id)) = gaps.pop() {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
999 if density >= target_density {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1000 break;
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1001 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1002 selected.push(gap_id);
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1003
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1004 // The gap sizes are stored as negatives to be sorted decreasingly
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1005 // by the heap
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1006 read_data -= gap_size;
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1007 density = if read_data > 0 {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1008 chain_payload as f64 / read_data as f64
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1009 } else {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1010 1.0
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1011 };
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1012 if density >= target_density {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1013 break;
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1014 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1015 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1016 selected.sort_unstable();
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1017 selected.push(revs.len());
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1018
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1019 // Cut the revs at collected indices
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1020 let mut previous_idx = 0;
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1021 let mut chunks = vec![];
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1022 for idx in selected {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1023 let chunk = self.trim_chunk(&entries, previous_idx, idx);
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1024 if !chunk.is_empty() {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1025 chunks.push(chunk.iter().map(|(rev, _entry)| *rev).collect());
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1026 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1027 previous_idx = idx;
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1028 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1029 let chunk = self.trim_chunk(&entries, previous_idx, entries.len());
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1030 if !chunk.is_empty() {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1031 chunks.push(chunk.iter().map(|(rev, _entry)| *rev).collect());
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1032 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1033
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1034 chunks
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1035 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1036
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1037 /// Get the byte span of a segment of sorted revisions.
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1038 ///
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1039 /// Occurrences of [`NULL_REVISION`] are ignored at the beginning of
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1040 /// the `revs` segment.
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1041 ///
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1042 /// panics:
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1043 /// - if `revs` is empty or only made of `NULL_REVISION`
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1044 /// - if cannot retrieve entry for the last or first not null element of
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1045 /// `revs`.
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1046 fn segment_span(&self, revs: &[Revision]) -> usize {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1047 if revs.is_empty() {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1048 return 0;
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1049 }
52159
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1050 let last_rev = revs[revs.len() - 1];
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1051 let last_entry = &self.get_entry(last_rev).unwrap();
52161
6f94dc3cf8cf rust-index: use `IndexEntry::offset` to compute read segments
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52160
diff changeset
1052 let end = last_entry.offset() + last_entry.compressed_len() as usize;
51215
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1053 let first_rev = revs.iter().find(|r| r.0 != NULL_REVISION.0).unwrap();
52159
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1054 let first_entry = self.get_entry(*first_rev).unwrap();
52161
6f94dc3cf8cf rust-index: use `IndexEntry::offset` to compute read segments
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52160
diff changeset
1055 let start = first_entry.offset();
52159
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1056 end - start
51215
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1057 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1058
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1059 /// Returns `&revs[startidx..endidx]` without empty trailing revs
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1060 fn trim_chunk<'a>(
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1061 &'a self,
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1062 revs: &'a [(Revision, IndexEntry)],
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1063 start: usize,
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1064 mut end: usize,
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1065 ) -> &'a [(Revision, IndexEntry)] {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1066 // Trim empty revs at the end, except the very first rev of a chain
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1067 let last_rev = revs[end - 1].0;
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1068 if last_rev.0 < self.len() as BaseRevision {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1069 while end > 1
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1070 && end > start
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1071 && revs[end - 1].1.compressed_len() == 0
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1072 {
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1073 end -= 1
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1074 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1075 }
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1076 &revs[start..end]
0112803e6c01 rust-index: add support for `_slicechunktodensity`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51213
diff changeset
1077 }
51217
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1078
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1079 /// Computes the set of revisions for each non-public phase from `roots`,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1080 /// which are the last known roots for each non-public phase.
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1081 pub fn compute_phases_map_sets(
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1082 &self,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1083 roots: HashMap<Phase, Vec<Revision>>,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1084 ) -> Result<(usize, RootsPerPhase), GraphError> {
51422
7c6d0b9dde37 rust-index: improve phase computation speed
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51394
diff changeset
1085 let mut phases = vec![Phase::Public; self.len()];
51217
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1086 let mut min_phase_rev = NULL_REVISION;
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1087
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1088 for phase in Phase::non_public_phases() {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1089 if let Some(phase_roots) = roots.get(phase) {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1090 let min_rev =
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1091 self.add_roots_get_min(phase_roots, &mut phases, *phase);
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1092 if min_rev != NULL_REVISION
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1093 && (min_phase_rev == NULL_REVISION
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1094 || min_rev < min_phase_rev)
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1095 {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1096 min_phase_rev = min_rev;
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1097 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1098 } else {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1099 continue;
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1100 };
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1101 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1102 let mut phase_sets: RootsPerPhase = Default::default();
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1103
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1104 if min_phase_rev == NULL_REVISION {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1105 min_phase_rev = Revision(self.len() as BaseRevision);
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1106 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1107
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1108 for rev in min_phase_rev.0..self.len() as BaseRevision {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1109 let rev = Revision(rev);
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1110 let [p1, p2] = self.parents(rev)?;
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1111
51422
7c6d0b9dde37 rust-index: improve phase computation speed
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51394
diff changeset
1112 if p1.0 >= 0 && phases[p1.0 as usize] > phases[rev.0 as usize] {
7c6d0b9dde37 rust-index: improve phase computation speed
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51394
diff changeset
1113 phases[rev.0 as usize] = phases[p1.0 as usize];
7c6d0b9dde37 rust-index: improve phase computation speed
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51394
diff changeset
1114 }
7c6d0b9dde37 rust-index: improve phase computation speed
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51394
diff changeset
1115 if p2.0 >= 0 && phases[p2.0 as usize] > phases[rev.0 as usize] {
7c6d0b9dde37 rust-index: improve phase computation speed
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51394
diff changeset
1116 phases[rev.0 as usize] = phases[p2.0 as usize];
51217
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1117 }
51422
7c6d0b9dde37 rust-index: improve phase computation speed
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51394
diff changeset
1118 let set = match phases[rev.0 as usize] {
51217
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1119 Phase::Public => continue,
51422
7c6d0b9dde37 rust-index: improve phase computation speed
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51394
diff changeset
1120 phase => &mut phase_sets[phase as usize - 1],
51217
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1121 };
51422
7c6d0b9dde37 rust-index: improve phase computation speed
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51394
diff changeset
1122 set.push(rev);
51217
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1123 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1124
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1125 Ok((self.len(), phase_sets))
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1126 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1127
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1128 fn add_roots_get_min(
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1129 &self,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1130 phase_roots: &[Revision],
51422
7c6d0b9dde37 rust-index: improve phase computation speed
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51394
diff changeset
1131 phases: &mut [Phase],
51217
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1132 phase: Phase,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1133 ) -> Revision {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1134 let mut min_rev = NULL_REVISION;
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1135
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1136 for root in phase_roots {
51422
7c6d0b9dde37 rust-index: improve phase computation speed
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51394
diff changeset
1137 phases[root.0 as usize] = phase;
51217
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1138 if min_rev == NULL_REVISION || min_rev > *root {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1139 min_rev = *root;
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1140 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1141 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1142 min_rev
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1143 }
51219
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1144
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1145 /// Return `(heads(::(<roots> and <roots>::<heads>)))`
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1146 /// If `include_path` is `true`, return `(<roots>::<heads>)`."""
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1147 ///
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1148 /// `min_root` and `roots` are unchecked since they are just used as
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1149 /// a bound or for comparison and don't need to represent a valid revision.
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1150 /// In practice, the only invalid revision passed is the working directory
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1151 /// revision ([`i32::MAX`]).
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1152 pub fn reachable_roots(
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1153 &self,
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1154 min_root: UncheckedRevision,
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1155 mut heads: Vec<Revision>,
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1156 roots: HashSet<UncheckedRevision>,
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1157 include_path: bool,
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1158 ) -> Result<HashSet<Revision>, GraphError> {
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1159 if roots.is_empty() {
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1160 return Ok(HashSet::new());
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1161 }
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1162 let mut reachable = HashSet::new();
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1163 let mut seen = HashMap::new();
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1164
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1165 while let Some(rev) = heads.pop() {
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1166 if roots.contains(&rev.into()) {
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1167 reachable.insert(rev);
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1168 if !include_path {
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1169 continue;
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1170 }
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1171 }
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1172 let parents = self.parents(rev)?;
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1173 seen.insert(rev, parents);
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1174 for parent in parents {
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1175 if parent.0 >= min_root.0 && !seen.contains_key(&parent) {
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1176 heads.push(parent);
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1177 }
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1178 }
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1179 }
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1180 if !include_path {
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1181 return Ok(reachable);
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1182 }
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1183 let mut revs: Vec<_> = seen.keys().collect();
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1184 revs.sort_unstable();
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1185 for rev in revs {
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1186 for parent in seen[rev] {
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1187 if reachable.contains(&parent) {
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1188 reachable.insert(*rev);
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1189 }
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1190 }
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1191 }
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1192 Ok(reachable)
fc05dd74e907 rust-index: add support for `reachableroots2`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51217
diff changeset
1193 }
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1194
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1195 /// Given a (possibly overlapping) set of revs, return all the
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1196 /// common ancestors heads: `heads(::args[0] and ::a[1] and ...)`
51222
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1197 pub fn common_ancestor_heads(
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1198 &self,
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1199 revisions: &[Revision],
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1200 ) -> Result<Vec<Revision>, GraphError> {
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1201 // given that revisions is expected to be small, we find this shortcut
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1202 // potentially acceptable, especially given that `hg-cpython` could
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1203 // very much bypass this, constructing a vector of unique values from
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1204 // the onset.
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1205 let as_set: HashSet<Revision> = revisions.iter().copied().collect();
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1206 // Besides deduplicating, the C version also implements the shortcut
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1207 // for `NULL_REVISION`:
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1208 if as_set.contains(&NULL_REVISION) {
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1209 return Ok(vec![]);
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1210 }
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1211
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1212 let revisions: Vec<Revision> = as_set.into_iter().collect();
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1213
51226
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1214 if revisions.len() < 8 {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1215 self.find_gca_candidates::<u8>(&revisions)
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1216 } else if revisions.len() < 64 {
51222
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1217 self.find_gca_candidates::<u64>(&revisions)
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1218 } else {
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1219 self.find_gca_candidates::<NonStaticPoisonableBitSet>(&revisions)
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1220 }
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1221 }
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1222
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1223 pub fn ancestors(
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1224 &self,
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1225 revisions: &[Revision],
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1226 ) -> Result<Vec<Revision>, GraphError> {
89ce6a49bfeb rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents: 51221
diff changeset
1227 self.find_deepest_revs(&self.common_ancestor_heads(revisions)?)
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1228 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1229
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1230 /// Given a disjoint set of revs, return all candidates for the
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1231 /// greatest common ancestor. In revset notation, this is the set
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1232 /// `heads(::a and ::b and ...)`
51221
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1233 fn find_gca_candidates<BS: PoisonableBitSet + Clone>(
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1234 &self,
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1235 revs: &[Revision],
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1236 ) -> Result<Vec<Revision>, GraphError> {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1237 if revs.is_empty() {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1238 return Ok(vec![]);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1239 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1240 let revcount = revs.len();
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1241 let mut candidates = vec![];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1242 let max_rev = revs.iter().max().unwrap();
51221
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1243
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1244 let mut seen = BS::vec_of_empty(revs.len(), (max_rev.0 + 1) as usize);
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1245
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1246 for (idx, rev) in revs.iter().enumerate() {
51221
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1247 seen[rev.0 as usize].add(idx);
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1248 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1249 let mut current_rev = *max_rev;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1250 // Number of revisions whose inspection in the main loop
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1251 // will give a result or trigger inspection of other revisions
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1252 let mut interesting = revcount;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1253
51223
83091c14058c rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51222
diff changeset
1254 // The algorithm works on a vector of bit sets, indexed by revision
83091c14058c rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51222
diff changeset
1255 // numbers and iterated on reverse order.
83091c14058c rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51222
diff changeset
1256 // An entry in this vector is poisoned if and only if the corresponding
83091c14058c rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51222
diff changeset
1257 // revision is a common, yet not maximal ancestor.
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1258
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1259 // The principle of the algorithm is as follows:
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1260 // For a revision `r`, when entering the loop, `seen[r]` is either
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1261 // poisoned or the sub set of `revs` of which `r` is an ancestor.
51223
83091c14058c rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51222
diff changeset
1262 // In this sub set is full, then `r` is a solution and its parents
83091c14058c rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51222
diff changeset
1263 // have to be poisoned.
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1264 //
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1265 // At each iteration, the bit sets of the parents are updated by
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1266 // union with `seen[r]`.
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1267 // As we walk the index from the end, we are sure we have encountered
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1268 // all children of `r` before `r`, hence we know that `seen[r]` is
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1269 // fully computed.
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1270 //
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1271 // On top of that there are several optimizations that make reading
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1272 // less obvious than the comment above:
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1273 // - The `interesting` counter allows to break early
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1274 // - The loop starts from `max(revs)`
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1275 // - Early return in case it is detected that one of the incoming revs
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1276 // is a common ancestor of all of them.
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1277 while current_rev.0 >= 0 && interesting > 0 {
51223
83091c14058c rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51222
diff changeset
1278 let current_seen = seen[current_rev.0 as usize].clone();
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1279
51221
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1280 if current_seen.is_empty() {
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1281 current_rev = Revision(current_rev.0 - 1);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1282 continue;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1283 }
51223
83091c14058c rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51222
diff changeset
1284 let mut poison = current_seen.is_poisoned();
83091c14058c rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51222
diff changeset
1285 if !poison {
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1286 interesting -= 1;
51221
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1287 if current_seen.is_full_range(revcount) {
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1288 candidates.push(current_rev);
51223
83091c14058c rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51222
diff changeset
1289 poison = true;
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1290
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1291 // Being a common ancestor, if `current_rev` is among
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1292 // the input revisions, it is *the* answer.
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1293 for rev in revs {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1294 if *rev == current_rev {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1295 return Ok(candidates);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1296 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1297 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1298 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1299 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1300 for parent in self.parents(current_rev)? {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1301 if parent == NULL_REVISION {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1302 continue;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1303 }
51225
61a6ef876efd rust-index: simplification in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51224
diff changeset
1304 let parent_seen = &mut seen[parent.0 as usize];
51224
e553cd209215 rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51223
diff changeset
1305 if poison {
e553cd209215 rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51223
diff changeset
1306 // this block is logically equivalent to poisoning parent
e553cd209215 rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51223
diff changeset
1307 // and counting it as non interesting if it
e553cd209215 rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51223
diff changeset
1308 // has been seen before (hence counted then as interesting)
e553cd209215 rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51223
diff changeset
1309 if !parent_seen.is_empty() && !parent_seen.is_poisoned() {
e553cd209215 rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51223
diff changeset
1310 interesting -= 1;
e553cd209215 rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51223
diff changeset
1311 }
51225
61a6ef876efd rust-index: simplification in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51224
diff changeset
1312 parent_seen.poison();
51224
e553cd209215 rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51223
diff changeset
1313 } else {
51221
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1314 if parent_seen.is_empty() {
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1315 interesting += 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1316 }
51225
61a6ef876efd rust-index: simplification in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51224
diff changeset
1317 parent_seen.union(&current_seen);
51220
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1318 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1319 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1320
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1321 current_rev = Revision(current_rev.0 - 1);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1322 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1323
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1324 Ok(candidates)
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1325 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1326
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1327 /// Given a disjoint set of revs, return the subset with the longest path
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1328 /// to the root.
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1329 fn find_deepest_revs(
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1330 &self,
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1331 revs: &[Revision],
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1332 ) -> Result<Vec<Revision>, GraphError> {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1333 // TODO replace this all with just comparing rank?
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1334 // Also, the original implementations in C/Python are cryptic, not
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1335 // even sure we actually need this?
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1336 if revs.len() <= 1 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1337 return Ok(revs.to_owned());
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1338 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1339 let max_rev = revs.iter().max().unwrap().0;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1340 let mut interesting = HashMap::new();
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1341 let mut seen = vec![0; max_rev as usize + 1];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1342 let mut depth = vec![0; max_rev as usize + 1];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1343 let mut mapping = vec![];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1344 let mut revs = revs.to_owned();
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1345 revs.sort_unstable();
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1346
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1347 for (idx, rev) in revs.iter().enumerate() {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1348 depth[rev.0 as usize] = 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1349 let shift = 1 << idx;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1350 seen[rev.0 as usize] = shift;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1351 interesting.insert(shift, 1);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1352 mapping.push((shift, *rev));
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1353 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1354
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1355 let mut current_rev = Revision(max_rev);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1356 while current_rev.0 >= 0 && interesting.len() > 1 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1357 let current_depth = depth[current_rev.0 as usize];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1358 if current_depth == 0 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1359 current_rev = Revision(current_rev.0 - 1);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1360 continue;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1361 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1362
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1363 let current_seen = seen[current_rev.0 as usize];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1364 for parent in self.parents(current_rev)? {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1365 if parent == NULL_REVISION {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1366 continue;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1367 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1368 let parent_seen = seen[parent.0 as usize];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1369 let parent_depth = depth[parent.0 as usize];
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1370 if parent_depth <= current_depth {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1371 depth[parent.0 as usize] = current_depth + 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1372 if parent_seen != current_seen {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1373 *interesting.get_mut(&current_seen).unwrap() += 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1374 seen[parent.0 as usize] = current_seen;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1375 if parent_seen != 0 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1376 let parent_interesting =
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1377 interesting.get_mut(&parent_seen).unwrap();
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1378 *parent_interesting -= 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1379 if *parent_interesting == 0 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1380 interesting.remove(&parent_seen);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1381 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1382 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1383 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1384 } else if current_depth == parent_depth - 1 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1385 let either_seen = parent_seen | current_seen;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1386 if either_seen == parent_seen {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1387 continue;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1388 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1389 seen[parent.0 as usize] = either_seen;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1390 interesting
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1391 .entry(either_seen)
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1392 .and_modify(|v| *v += 1)
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1393 .or_insert(1);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1394 *interesting.get_mut(&parent_seen).unwrap() -= 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1395 if interesting[&parent_seen] == 0 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1396 interesting.remove(&parent_seen);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1397 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1398 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1399 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1400 *interesting.get_mut(&current_seen).unwrap() -= 1;
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1401 if interesting[&current_seen] == 0 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1402 interesting.remove(&current_seen);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1403 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1404
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1405 current_rev = Revision(current_rev.0 - 1);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1406 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1407
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1408 if interesting.len() != 1 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1409 return Ok(vec![]);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1410 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1411 let mask = interesting.keys().next().unwrap();
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1412
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1413 Ok(mapping
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1414 .into_iter()
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1415 .filter_map(|(shift, rev)| {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1416 if (mask & shift) != 0 {
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1417 return Some(rev);
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1418 }
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1419 None
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1420 })
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1421 .collect())
42c8dbdb88ad rust-index: core impl for find_gca_candidates and find_deepest
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51219
diff changeset
1422 }
52159
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1423
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1424 /// Return the offset into the data corresponding to `rev` (in the index
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1425 /// file if inline, in the data file otherwise). `entry` must be the entry
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1426 /// for `rev`: the API is done this way to reduce the number of lookups
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1427 /// since we sometimes already have the entry, and because very few places
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1428 /// actually use this function.
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1429 #[inline(always)]
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1430 pub fn start(&self, rev: Revision, entry: &IndexEntry<'_>) -> usize {
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1431 #[cfg(debug_assertions)]
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1432 {
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1433 assert_eq!(&self.get_entry(rev).unwrap(), entry);
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1434 }
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1435 let offset = entry.offset();
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1436 if self.is_inline() {
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1437 offset + ((rev.0 as usize + 1) * INDEX_ENTRY_SIZE)
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1438 } else {
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1439 offset
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1440 }
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1441 }
52160
e01e84e5e426 rust-revlog: add a Rust-only `InnerRevlog`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52159
diff changeset
1442
e01e84e5e426 rust-revlog: add a Rust-only `InnerRevlog`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52159
diff changeset
1443 pub(crate) fn make_null_entry(&self) -> IndexEntry<'_> {
e01e84e5e426 rust-revlog: add a Rust-only `InnerRevlog`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52159
diff changeset
1444 IndexEntry {
e01e84e5e426 rust-revlog: add a Rust-only `InnerRevlog`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52159
diff changeset
1445 bytes: b"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 \
e01e84e5e426 rust-revlog: add a Rust-only `InnerRevlog`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52159
diff changeset
1446 \xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff \
e01e84e5e426 rust-revlog: add a Rust-only `InnerRevlog`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52159
diff changeset
1447 \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
e01e84e5e426 rust-revlog: add a Rust-only `InnerRevlog`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52159
diff changeset
1448 }
e01e84e5e426 rust-revlog: add a Rust-only `InnerRevlog`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52159
diff changeset
1449 }
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1450 }
51217
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1451
51221
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1452 /// The kind of functionality needed by find_gca_candidates
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1453 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1454 /// This is a bit mask which can be declared to be "poisoned", which callers
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1455 /// interpret to break out of some loops.
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1456 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1457 /// The maximum capacity of the bit mask is up to the actual implementation
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1458 trait PoisonableBitSet: Sized + PartialEq {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1459 /// Return a vector of exactly n elements, initialized to be empty.
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1460 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1461 /// Optimization can vastly depend on implementation. Those being `Copy`
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1462 /// and having constant capacity typically can have a very simple
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1463 /// implementation.
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1464 fn vec_of_empty(sets_size: usize, vec_len: usize) -> Vec<Self>;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1465
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1466 /// The size of the bit mask in memory
51703
ec7171748350 rust: apply clippy lints
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51696
diff changeset
1467 #[allow(unused)]
51221
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1468 fn size(&self) -> usize;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1469
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1470 /// The number of elements that can be represented in the set.
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1471 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1472 /// Another way to put it is that it is the highest integer `C` such that
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1473 /// the set is guaranteed to always be a subset of the integer range
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1474 /// `[0, C)`
51703
ec7171748350 rust: apply clippy lints
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51696
diff changeset
1475 #[allow(unused)]
51221
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1476 fn capacity(&self) -> usize;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1477
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1478 /// Declare `n` to belong to the set
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1479 fn add(&mut self, n: usize);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1480
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1481 /// Declare `n` not to belong to the set
51703
ec7171748350 rust: apply clippy lints
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51696
diff changeset
1482 #[allow(unused)]
51221
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1483 fn discard(&mut self, n: usize);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1484
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1485 /// Replace this bit set by its union with other
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1486 fn union(&mut self, other: &Self);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1487
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1488 /// Poison the bit set
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1489 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1490 /// Interpretation up to the caller
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1491 fn poison(&mut self);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1492
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1493 /// Is the bit set poisoned?
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1494 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1495 /// Interpretation is up to the caller
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1496 fn is_poisoned(&self) -> bool;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1497
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1498 /// Is the bit set empty?
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1499 fn is_empty(&self) -> bool;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1500
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1501 /// return `true` if and only if the bit is the full range `[0, n)`
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1502 /// of integers
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1503 fn is_full_range(&self, n: usize) -> bool;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1504 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1505
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1506 const U64_POISON: u64 = 1 << 63;
51226
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1507 const U8_POISON: u8 = 1 << 7;
51221
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1508
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1509 impl PoisonableBitSet for u64 {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1510 fn vec_of_empty(_sets_size: usize, vec_len: usize) -> Vec<Self> {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1511 vec![0u64; vec_len]
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1512 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1513
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1514 fn size(&self) -> usize {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1515 8
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1516 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1517
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1518 fn capacity(&self) -> usize {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1519 63
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1520 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1521
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1522 fn add(&mut self, n: usize) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1523 (*self) |= 1u64 << n;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1524 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1525
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1526 fn discard(&mut self, n: usize) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1527 (*self) &= u64::MAX - (1u64 << n);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1528 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1529
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1530 fn union(&mut self, other: &Self) {
51225
61a6ef876efd rust-index: simplification in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51224
diff changeset
1531 if *self != *other {
61a6ef876efd rust-index: simplification in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51224
diff changeset
1532 (*self) |= *other;
61a6ef876efd rust-index: simplification in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents: 51224
diff changeset
1533 }
51221
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1534 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1535
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1536 fn is_full_range(&self, n: usize) -> bool {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1537 *self + 1 == (1u64 << n)
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1538 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1539
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1540 fn is_empty(&self) -> bool {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1541 *self == 0
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1542 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1543
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1544 fn poison(&mut self) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1545 *self = U64_POISON;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1546 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1547
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1548 fn is_poisoned(&self) -> bool {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1549 // equality comparison would be tempting but would not resist
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1550 // operations after poisoning (even if these should be bogus).
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1551 *self >= U64_POISON
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1552 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1553 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1554
51226
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1555 impl PoisonableBitSet for u8 {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1556 fn vec_of_empty(_sets_size: usize, vec_len: usize) -> Vec<Self> {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1557 vec![0; vec_len]
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1558 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1559
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1560 fn size(&self) -> usize {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1561 1
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1562 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1563
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1564 fn capacity(&self) -> usize {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1565 7
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1566 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1567
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1568 fn add(&mut self, n: usize) {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1569 (*self) |= 1 << n;
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1570 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1571
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1572 fn discard(&mut self, n: usize) {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1573 (*self) &= u8::MAX - (1 << n);
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1574 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1575
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1576 fn union(&mut self, other: &Self) {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1577 if *self != *other {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1578 (*self) |= *other;
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1579 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1580 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1581
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1582 fn is_full_range(&self, n: usize) -> bool {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1583 *self + 1 == (1 << n)
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1584 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1585
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1586 fn is_empty(&self) -> bool {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1587 *self == 0
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1588 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1589
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1590 fn poison(&mut self) {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1591 *self = U8_POISON;
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1592 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1593
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1594 fn is_poisoned(&self) -> bool {
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1595 // equality comparison would be tempting but would not resist
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1596 // operations after poisoning (even if these should be bogus).
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1597 *self >= U8_POISON
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1598 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1599 }
1b23aaf5eb7b rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents: 51225
diff changeset
1600
51221
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1601 /// A poisonable bit set whose capacity is not known at compile time but
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1602 /// is constant after initial construction
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1603 ///
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1604 /// This can be way further optimized if performance assessments (speed
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1605 /// and/or RAM) require it.
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1606 /// As far as RAM is concerned, for large vectors of these, the main problem
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1607 /// would be the repetition of set_size in each item. We would need a trait
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1608 /// to abstract over the idea of a vector of such bit sets to do better.
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1609 #[derive(Clone, PartialEq)]
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1610 struct NonStaticPoisonableBitSet {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1611 set_size: usize,
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1612 bit_set: Vec<u64>,
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1613 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1614
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1615 /// Number of `u64` needed for a [`NonStaticPoisonableBitSet`] of given size
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1616 fn non_static_poisonable_inner_len(set_size: usize) -> usize {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1617 1 + (set_size + 1) / 64
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1618 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1619
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1620 impl NonStaticPoisonableBitSet {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1621 /// The index of the sub-bit set for the given n, and the index inside
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1622 /// the latter
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1623 fn index(&self, n: usize) -> (usize, usize) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1624 (n / 64, n % 64)
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1625 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1626 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1627
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1628 /// Mock implementation to ensure that the trait makes sense
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1629 impl PoisonableBitSet for NonStaticPoisonableBitSet {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1630 fn vec_of_empty(set_size: usize, vec_len: usize) -> Vec<Self> {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1631 let tmpl = Self {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1632 set_size,
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1633 bit_set: vec![0u64; non_static_poisonable_inner_len(set_size)],
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1634 };
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1635 vec![tmpl; vec_len]
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1636 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1637
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1638 fn size(&self) -> usize {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1639 8 + self.bit_set.len() * 8
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1640 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1641
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1642 fn capacity(&self) -> usize {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1643 self.set_size
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1644 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1645
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1646 fn add(&mut self, n: usize) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1647 let (sub_bs, bit_pos) = self.index(n);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1648 self.bit_set[sub_bs] |= 1 << bit_pos
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1649 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1650
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1651 fn discard(&mut self, n: usize) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1652 let (sub_bs, bit_pos) = self.index(n);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1653 self.bit_set[sub_bs] |= u64::MAX - (1 << bit_pos)
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1654 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1655
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1656 fn union(&mut self, other: &Self) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1657 assert!(
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1658 self.set_size == other.set_size,
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1659 "Binary operations on bit sets can only be done on same size"
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1660 );
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1661 for i in 0..self.bit_set.len() - 1 {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1662 self.bit_set[i] |= other.bit_set[i]
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1663 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1664 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1665
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1666 fn is_full_range(&self, n: usize) -> bool {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1667 let (sub_bs, bit_pos) = self.index(n);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1668 self.bit_set[..sub_bs].iter().all(|bs| *bs == u64::MAX)
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1669 && self.bit_set[sub_bs] == (1 << (bit_pos + 1)) - 1
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1670 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1671
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1672 fn is_empty(&self) -> bool {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1673 self.bit_set.iter().all(|bs| *bs == 0u64)
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1674 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1675
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1676 fn poison(&mut self) {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1677 let (sub_bs, bit_pos) = self.index(self.set_size);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1678 self.bit_set[sub_bs] = 1 << bit_pos;
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1679 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1680
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1681 fn is_poisoned(&self) -> bool {
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1682 let (sub_bs, bit_pos) = self.index(self.set_size);
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1683 self.bit_set[sub_bs] >= 1 << bit_pos
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1684 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1685 }
43241f31cf5b rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51220
diff changeset
1686
51217
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1687 /// Set of roots of all non-public phases
51422
7c6d0b9dde37 rust-index: improve phase computation speed
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51394
diff changeset
1688 pub type RootsPerPhase = [Vec<Revision>; Phase::non_public_phases().len()];
51217
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1689
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1690 #[derive(Debug, Copy, Clone, PartialEq, Eq, Ord, PartialOrd, Hash)]
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1691 pub enum Phase {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1692 Public = 0,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1693 Draft = 1,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1694 Secret = 2,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1695 Archived = 3,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1696 Internal = 4,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1697 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1698
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1699 impl TryFrom<usize> for Phase {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1700 type Error = RevlogError;
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1701
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1702 fn try_from(value: usize) -> Result<Self, Self::Error> {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1703 Ok(match value {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1704 0 => Self::Public,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1705 1 => Self::Draft,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1706 2 => Self::Secret,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1707 32 => Self::Archived,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1708 96 => Self::Internal,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1709 v => {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1710 return Err(RevlogError::corrupted(format!(
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1711 "invalid phase value {}",
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1712 v
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1713 )))
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1714 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1715 })
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1716 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1717 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1718
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1719 impl Phase {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1720 pub const fn all_phases() -> &'static [Self] {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1721 &[
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1722 Self::Public,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1723 Self::Draft,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1724 Self::Secret,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1725 Self::Archived,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1726 Self::Internal,
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1727 ]
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1728 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1729 pub const fn non_public_phases() -> &'static [Self] {
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1730 &[Self::Draft, Self::Secret, Self::Archived, Self::Internal]
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1731 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1732 }
c817d9f626d3 rust-index: add support for `computephasesmapsets`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51215
diff changeset
1733
51194
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1734 fn inline_scan(bytes: &[u8]) -> (usize, Vec<usize>) {
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1735 let mut offset: usize = 0;
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1736 let mut offsets = Vec::new();
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1737
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1738 while offset + INDEX_ENTRY_SIZE <= bytes.len() {
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1739 offsets.push(offset);
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1740 let end = offset + INDEX_ENTRY_SIZE;
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1741 let entry = IndexEntry {
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1742 bytes: &bytes[offset..end],
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1743 };
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1744
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1745 offset += INDEX_ENTRY_SIZE + entry.compressed_len() as usize;
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1746 }
4e6620b7fbbb rust-index: support cache clearing
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51192
diff changeset
1747 (offset, offsets)
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1748 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1749
46090
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
1750 impl super::RevlogIndex for Index {
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
1751 fn len(&self) -> usize {
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
1752 self.len()
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
1753 }
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
1754
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
1755 fn node(&self, rev: Revision) -> Option<&Node> {
51206
e9d47e2f5dcf rust-index: add missing special case for null rev
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51202
diff changeset
1756 if rev == NULL_REVISION {
e9d47e2f5dcf rust-index: add missing special case for null rev
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51202
diff changeset
1757 return Some(&NULL_NODE);
e9d47e2f5dcf rust-index: add missing special case for null rev
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51202
diff changeset
1758 }
46090
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
1759 self.get_entry(rev).map(|entry| entry.hash())
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
1760 }
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
1761 }
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
1762
52159
44823c5011fe rust-index: fix the computation of data start
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52158
diff changeset
1763 #[derive(Debug, PartialEq, Eq)]
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1764 pub struct IndexEntry<'a> {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1765 bytes: &'a [u8],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1766 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1767
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1768 impl<'a> IndexEntry<'a> {
45593
da30e4b553c3 hg-core: minor docstring update (D8958#inline-14991 followup)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45592
diff changeset
1769 /// Return the offset of the data.
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1770 pub fn offset(&self) -> usize {
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
1771 let mut bytes = [0; 8];
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
1772 bytes[2..8].copy_from_slice(&self.bytes[0..=5]);
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
1773 BigEndian::read_u64(&bytes[..]) as usize
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1774 }
51202
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
1775 pub fn raw_offset(&self) -> u64 {
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
1776 BigEndian::read_u64(&self.bytes[0..8])
002b49905aac rust-index: implementation of __getitem__
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51200
diff changeset
1777 }
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1778
48546
e91aa800ae5b rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents: 48543
diff changeset
1779 pub fn flags(&self) -> u16 {
e91aa800ae5b rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents: 48543
diff changeset
1780 BigEndian::read_u16(&self.bytes[6..=7])
e91aa800ae5b rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents: 48543
diff changeset
1781 }
e91aa800ae5b rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents: 48543
diff changeset
1782
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1783 /// Return the compressed length of the data.
48543
0a4ac916673e rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents: 48458
diff changeset
1784 pub fn compressed_len(&self) -> u32 {
0a4ac916673e rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents: 48458
diff changeset
1785 BigEndian::read_u32(&self.bytes[8..=11])
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1786 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1787
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1788 /// Return the uncompressed length of the data.
48543
0a4ac916673e rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents: 48458
diff changeset
1789 pub fn uncompressed_len(&self) -> i32 {
0a4ac916673e rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents: 48458
diff changeset
1790 BigEndian::read_i32(&self.bytes[12..=15])
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1791 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1792
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1793 /// Return the revision upon which the data has been derived.
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
1794 pub fn base_revision_or_base_of_delta_chain(&self) -> UncheckedRevision {
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1795 // TODO Maybe return an Option when base_revision == rev?
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1796 // Requires to add rev to IndexEntry
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1797
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
1798 BigEndian::read_i32(&self.bytes[16..]).into()
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1799 }
45531
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
1800
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
1801 pub fn link_revision(&self) -> UncheckedRevision {
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
1802 BigEndian::read_i32(&self.bytes[20..]).into()
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1803 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1804
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
1805 pub fn p1(&self) -> UncheckedRevision {
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
1806 BigEndian::read_i32(&self.bytes[24..]).into()
45531
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
1807 }
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
1808
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
1809 pub fn p2(&self) -> UncheckedRevision {
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
1810 BigEndian::read_i32(&self.bytes[28..]).into()
45531
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
1811 }
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
1812
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
1813 /// Return the hash of revision's full text.
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
1814 ///
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
1815 /// Currently, SHA-1 is used and only the first 20 bytes of this field
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
1816 /// are used.
46090
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
1817 pub fn hash(&self) -> &'a Node {
46033
88e741bf2d93 rust: use NodePrefix::from_hex instead of hex::decode directly
Simon Sapin <simon-commits@exyr.org>
parents: 45602
diff changeset
1818 (&self.bytes[32..52]).try_into().unwrap()
45531
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
1819 }
51200
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
1820
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
1821 pub fn as_bytes(&self) -> &'a [u8] {
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
1822 self.bytes
7434747343ab rust-index: check that the entry bytes are the same in both indexes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51195
diff changeset
1823 }
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1824 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1825
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1826 #[cfg(test)]
51703
ec7171748350 rust: apply clippy lints
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51696
diff changeset
1827 pub use tests::IndexEntryBuilder;
ec7171748350 rust: apply clippy lints
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51696
diff changeset
1828
ec7171748350 rust: apply clippy lints
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51696
diff changeset
1829 #[cfg(test)]
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1830 mod tests {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1831 use super::*;
52178
bd8081e9fd62 rust: don't star export from the `revlog` module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52173
diff changeset
1832 use crate::NULL_NODE;
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1833
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1834 #[cfg(test)]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1835 #[derive(Debug, Copy, Clone)]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1836 pub struct IndexEntryBuilder {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1837 is_first: bool,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1838 is_inline: bool,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1839 is_general_delta: bool,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1840 version: u16,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1841 offset: usize,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1842 compressed_len: usize,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1843 uncompressed_len: usize,
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
1844 base_revision_or_base_of_delta_chain: Revision,
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1845 link_revision: Revision,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1846 p1: Revision,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1847 p2: Revision,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1848 node: Node,
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1849 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1850
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1851 #[cfg(test)]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1852 impl IndexEntryBuilder {
49926
0780371d6b1e rust-clippy: tell `clippy` we don't need to declare a default here
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
1853 #[allow(clippy::new_without_default)]
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1854 pub fn new() -> Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1855 Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1856 is_first: false,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1857 is_inline: false,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1858 is_general_delta: true,
49092
d200ecb76c72 rust-revlog: change default version from 2 to 1 in test builder
Martin von Zweigbergk <martinvonz@google.com>
parents: 48546
diff changeset
1859 version: 1,
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1860 offset: 0,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1861 compressed_len: 0,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1862 uncompressed_len: 0,
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
1863 base_revision_or_base_of_delta_chain: Revision(0),
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
1864 link_revision: Revision(0),
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1865 p1: NULL_REVISION,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1866 p2: NULL_REVISION,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1867 node: NULL_NODE,
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1868 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1869 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1870
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1871 pub fn is_first(&mut self, value: bool) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1872 self.is_first = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1873 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1874 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1875
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1876 pub fn with_inline(&mut self, value: bool) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1877 self.is_inline = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1878 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1879 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1880
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1881 pub fn with_general_delta(&mut self, value: bool) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1882 self.is_general_delta = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1883 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1884 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1885
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1886 pub fn with_version(&mut self, value: u16) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1887 self.version = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1888 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1889 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1890
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1891 pub fn with_offset(&mut self, value: usize) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1892 self.offset = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1893 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1894 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1895
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1896 pub fn with_compressed_len(&mut self, value: usize) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1897 self.compressed_len = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1898 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1899 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1900
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1901 pub fn with_uncompressed_len(&mut self, value: usize) -> &mut Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1902 self.uncompressed_len = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1903 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1904 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1905
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
1906 pub fn with_base_revision_or_base_of_delta_chain(
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
1907 &mut self,
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
1908 value: Revision,
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
1909 ) -> &mut Self {
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
1910 self.base_revision_or_base_of_delta_chain = value;
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1911 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1912 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1913
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1914 pub fn with_link_revision(&mut self, value: Revision) -> &mut Self {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1915 self.link_revision = value;
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1916 self
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1917 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1918
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1919 pub fn with_p1(&mut self, value: Revision) -> &mut Self {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1920 self.p1 = value;
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1921 self
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1922 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1923
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1924 pub fn with_p2(&mut self, value: Revision) -> &mut Self {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1925 self.p2 = value;
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1926 self
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1927 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1928
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1929 pub fn with_node(&mut self, value: Node) -> &mut Self {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1930 self.node = value;
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1931 self
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1932 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1933
45526
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1934 pub fn build(&self) -> Vec<u8> {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1935 let mut bytes = Vec::with_capacity(INDEX_ENTRY_SIZE);
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1936 if self.is_first {
51269
c4cbb515b006 rust-clippy: apply some more trivial fixes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51261
diff changeset
1937 bytes.extend(match (self.is_general_delta, self.is_inline) {
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1938 (false, false) => [0u8, 0],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1939 (false, true) => [0u8, 1],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1940 (true, false) => [0u8, 2],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1941 (true, true) => [0u8, 3],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1942 });
51269
c4cbb515b006 rust-clippy: apply some more trivial fixes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51261
diff changeset
1943 bytes.extend(self.version.to_be_bytes());
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1944 // Remaining offset bytes.
51269
c4cbb515b006 rust-clippy: apply some more trivial fixes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51261
diff changeset
1945 bytes.extend([0u8; 2]);
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1946 } else {
46887
6d5a26e94d9e unit-tests: Fix `cargo test` on 32-bit platforms
Simon Sapin <simon.sapin@octobus.net>
parents: 46443
diff changeset
1947 // Offset stored on 48 bits (6 bytes)
6d5a26e94d9e unit-tests: Fix `cargo test` on 32-bit platforms
Simon Sapin <simon.sapin@octobus.net>
parents: 46443
diff changeset
1948 bytes.extend(&(self.offset as u64).to_be_bytes()[2..]);
45526
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1949 }
51269
c4cbb515b006 rust-clippy: apply some more trivial fixes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51261
diff changeset
1950 bytes.extend([0u8; 2]); // Revision flags.
c4cbb515b006 rust-clippy: apply some more trivial fixes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51261
diff changeset
1951 bytes.extend((self.compressed_len as u32).to_be_bytes());
c4cbb515b006 rust-clippy: apply some more trivial fixes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51261
diff changeset
1952 bytes.extend((self.uncompressed_len as u32).to_be_bytes());
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
1953 bytes.extend(
51269
c4cbb515b006 rust-clippy: apply some more trivial fixes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51261
diff changeset
1954 self.base_revision_or_base_of_delta_chain.0.to_be_bytes(),
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
1955 );
51269
c4cbb515b006 rust-clippy: apply some more trivial fixes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51261
diff changeset
1956 bytes.extend(self.link_revision.0.to_be_bytes());
c4cbb515b006 rust-clippy: apply some more trivial fixes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51261
diff changeset
1957 bytes.extend(self.p1.0.to_be_bytes());
c4cbb515b006 rust-clippy: apply some more trivial fixes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51261
diff changeset
1958 bytes.extend(self.p2.0.to_be_bytes());
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1959 bytes.extend(self.node.as_bytes());
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
1960 bytes.extend(vec![0u8; 12]);
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1961 bytes
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1962 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1963 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1964
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1965 pub fn is_inline(index_bytes: &[u8]) -> bool {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1966 IndexHeader::parse(index_bytes)
52158
f2eab4967bfc rust-index: return an error on a bad index header
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52041
diff changeset
1967 .expect("invalid header")
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1968 .format_flags()
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1969 .is_inline()
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1970 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1971
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1972 pub fn uses_generaldelta(index_bytes: &[u8]) -> bool {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1973 IndexHeader::parse(index_bytes)
52158
f2eab4967bfc rust-index: return an error on a bad index header
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52041
diff changeset
1974 .expect("invalid header")
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1975 .format_flags()
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1976 .uses_generaldelta()
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1977 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1978
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1979 pub fn get_version(index_bytes: &[u8]) -> u16 {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1980 IndexHeader::parse(index_bytes)
52158
f2eab4967bfc rust-index: return an error on a bad index header
Rapha?l Gom?s <rgomes@octobus.net>
parents: 52041
diff changeset
1981 .expect("invalid header")
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1982 .format_version()
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1983 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1984
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
1985 #[test]
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1986 fn flags_when_no_inline_flag_test() {
45601
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
1987 let bytes = IndexEntryBuilder::new()
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
1988 .is_first(true)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
1989 .with_general_delta(false)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
1990 .with_inline(false)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
1991 .build();
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
1992
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
1993 assert!(!is_inline(&bytes));
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
1994 assert!(!uses_generaldelta(&bytes));
45601
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
1995 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
1996
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
1997 #[test]
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
1998 fn flags_when_inline_flag_test() {
45601
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
1999 let bytes = IndexEntryBuilder::new()
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2000 .is_first(true)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2001 .with_general_delta(false)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2002 .with_inline(true)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2003 .build();
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2004
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
2005 assert!(is_inline(&bytes));
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
2006 assert!(!uses_generaldelta(&bytes));
45601
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2007 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2008
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2009 #[test]
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
2010 fn flags_when_inline_and_generaldelta_flags_test() {
45601
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2011 let bytes = IndexEntryBuilder::new()
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2012 .is_first(true)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2013 .with_general_delta(true)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2014 .with_inline(true)
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2015 .build();
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2016
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
2017 assert!(is_inline(&bytes));
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
2018 assert!(uses_generaldelta(&bytes));
45601
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2019 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2020
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
2021 #[test]
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2022 fn test_offset() {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2023 let bytes = IndexEntryBuilder::new().with_offset(1).build();
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
2024 let entry = IndexEntry { bytes: &bytes };
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2025
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2026 assert_eq!(entry.offset(), 1)
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2027 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2028
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2029 #[test]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2030 fn test_compressed_len() {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2031 let bytes = IndexEntryBuilder::new().with_compressed_len(1).build();
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
2032 let entry = IndexEntry { bytes: &bytes };
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2033
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2034 assert_eq!(entry.compressed_len(), 1)
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2035 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2036
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2037 #[test]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2038 fn test_uncompressed_len() {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2039 let bytes = IndexEntryBuilder::new().with_uncompressed_len(1).build();
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
2040 let entry = IndexEntry { bytes: &bytes };
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2041
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2042 assert_eq!(entry.uncompressed_len(), 1)
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2043 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2044
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2045 #[test]
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
2046 fn test_base_revision_or_base_of_delta_chain() {
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
2047 let bytes = IndexEntryBuilder::new()
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
2048 .with_base_revision_or_base_of_delta_chain(Revision(1))
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
2049 .build();
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
2050 let entry = IndexEntry { bytes: &bytes };
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2051
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
2052 assert_eq!(entry.base_revision_or_base_of_delta_chain(), 1.into())
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2053 }
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
2054
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
2055 #[test]
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2056 fn link_revision_test() {
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
2057 let bytes = IndexEntryBuilder::new()
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
2058 .with_link_revision(Revision(123))
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
2059 .build();
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2060
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
2061 let entry = IndexEntry { bytes: &bytes };
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2062
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
2063 assert_eq!(entry.link_revision(), 123.into());
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2064 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2065
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2066 #[test]
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2067 fn p1_test() {
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
2068 let bytes = IndexEntryBuilder::new().with_p1(Revision(123)).build();
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2069
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
2070 let entry = IndexEntry { bytes: &bytes };
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2071
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
2072 assert_eq!(entry.p1(), 123.into());
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2073 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2074
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2075 #[test]
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2076 fn p2_test() {
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
2077 let bytes = IndexEntryBuilder::new().with_p2(Revision(123)).build();
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2078
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
2079 let entry = IndexEntry { bytes: &bytes };
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2080
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
2081 assert_eq!(entry.p2(), 123.into());
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2082 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2083
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2084 #[test]
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2085 fn node_test() {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2086 let node = Node::from_hex("0123456789012345678901234567890123456789")
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2087 .unwrap();
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2088 let bytes = IndexEntryBuilder::new().with_node(node).build();
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2089
51442
d2858d97af6c rust-index: drop offset_override
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51422
diff changeset
2090 let entry = IndexEntry { bytes: &bytes };
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2091
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2092 assert_eq!(*entry.hash(), node);
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2093 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2094
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
2095 #[test]
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
2096 fn version_test() {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
2097 let bytes = IndexEntryBuilder::new()
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
2098 .is_first(true)
49092
d200ecb76c72 rust-revlog: change default version from 2 to 1 in test builder
Martin von Zweigbergk <martinvonz@google.com>
parents: 48546
diff changeset
2099 .with_version(2)
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
2100 .build();
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
2101
49092
d200ecb76c72 rust-revlog: change default version from 2 to 1 in test builder
Martin von Zweigbergk <martinvonz@google.com>
parents: 48546
diff changeset
2102 assert_eq!(get_version(&bytes), 2)
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
2103 }
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
2104 }