annotate rust/hg-core/src/revlog/index.rs @ 51192:f6403bcd9f96

rust-index: synchronize remove to Rust index Future steps will bring the two indexes further together until we can rip the C index entirely when running Rust code.
author Rapha?l Gom?s <rgomes@octobus.net>
date Wed, 28 Jun 2023 16:43:39 +0200
parents 65c9032e2e5a
children 4e6620b7fbbb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
1 use std::fmt::Debug;
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
2 use std::ops::Deref;
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
3
45531
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
4 use byteorder::{BigEndian, ByteOrder};
51186
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
5 use bytes_cast::{unaligned, BytesCast};
45531
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
6
51186
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
7 use super::REVIDX_KNOWN_FLAGS;
46443
43d63979a75e rust: use HgError in RevlogError and Vfs
Simon Sapin <simon.sapin@octobus.net>
parents: 46090
diff changeset
8 use crate::errors::HgError;
51186
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
9 use crate::node::{NODE_BYTES_LENGTH, STORED_NODE_ID_BYTES};
46033
88e741bf2d93 rust: use NodePrefix::from_hex instead of hex::decode directly
Simon Sapin <simon-commits@exyr.org>
parents: 45602
diff changeset
10 use crate::revlog::node::Node;
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
11 use crate::revlog::{Revision, NULL_REVISION};
51186
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
12 use crate::{Graph, GraphError, RevlogError, RevlogIndex, UncheckedRevision};
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
13
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
14 pub const INDEX_ENTRY_SIZE: usize = 64;
51186
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
15 pub const COMPRESSION_MODE_INLINE: u8 = 2;
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
16
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
17 pub struct IndexHeader {
51188
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51186
diff changeset
18 pub(super) header_bytes: [u8; 4],
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
19 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
20
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
21 #[derive(Copy, Clone)]
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
22 pub struct IndexHeaderFlags {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
23 flags: u16,
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
24 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
25
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
26 /// Corresponds to the high bits of `_format_flags` in python
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
27 impl IndexHeaderFlags {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
28 /// Corresponds to FLAG_INLINE_DATA in python
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
29 pub fn is_inline(self) -> bool {
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
30 self.flags & 1 != 0
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
31 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
32 /// Corresponds to FLAG_GENERALDELTA in python
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
33 pub fn uses_generaldelta(self) -> bool {
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
34 self.flags & 2 != 0
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
35 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
36 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
37
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
38 /// Corresponds to the INDEX_HEADER structure,
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
39 /// which is parsed as a `header` variable in `_loadindex` in `revlog.py`
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
40 impl IndexHeader {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
41 fn format_flags(&self) -> IndexHeaderFlags {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
42 // No "unknown flags" check here, unlike in python. Maybe there should
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
43 // be.
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
44 IndexHeaderFlags {
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
45 flags: BigEndian::read_u16(&self.header_bytes[0..2]),
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
46 }
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
47 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
48
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
49 /// The only revlog version currently supported by rhg.
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
50 const REVLOGV1: u16 = 1;
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
51
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
52 /// Corresponds to `_format_version` in Python.
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
53 fn format_version(&self) -> u16 {
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
54 BigEndian::read_u16(&self.header_bytes[2..4])
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
55 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
56
51188
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51186
diff changeset
57 pub fn parse(index_bytes: &[u8]) -> Result<Option<IndexHeader>, HgError> {
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
58 if index_bytes.is_empty() {
51188
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51186
diff changeset
59 return Ok(None);
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
60 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
61 if index_bytes.len() < 4 {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
62 return Err(HgError::corrupted(
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
63 "corrupted revlog: can't read the index format header",
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
64 ));
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
65 }
51188
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51186
diff changeset
66 Ok(Some(IndexHeader {
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
67 header_bytes: {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
68 let bytes: [u8; 4] =
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
69 index_bytes[0..4].try_into().expect("impossible");
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
70 bytes
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
71 },
51188
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51186
diff changeset
72 }))
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
73 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
74 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
75
51185
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
76 /// Abstracts the access to the index bytes since they can be spread between
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
77 /// the immutable (bytes) part and the mutable (added) part if any appends
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
78 /// happened. This makes it transparent for the callers.
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
79 struct IndexData {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
80 /// Immutable bytes, most likely taken from disk
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
81 bytes: Box<dyn Deref<Target = [u8]> + Send>,
51192
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
82 /// Used when stripping index contents, keeps track of the start of the
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
83 /// first stripped revision, which is used to give a slice of the
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
84 /// `bytes` field.
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
85 truncation: Option<usize>,
51185
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
86 /// Bytes that were added after reading the index
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
87 added: Vec<u8>,
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
88 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
89
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
90 impl IndexData {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
91 pub fn new(bytes: Box<dyn Deref<Target = [u8]> + Send>) -> Self {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
92 Self {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
93 bytes,
51192
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
94 truncation: None,
51185
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
95 added: vec![],
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
96 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
97 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
98
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
99 pub fn len(&self) -> usize {
51192
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
100 match self.truncation {
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
101 Some(truncation) => truncation + self.added.len(),
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
102 None => self.bytes.len() + self.added.len(),
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
103 }
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
104 }
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
105
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
106 fn remove(
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
107 &mut self,
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
108 rev: Revision,
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
109 offsets: Option<&[usize]>,
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
110 ) -> Result<(), RevlogError> {
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
111 let rev = rev.0 as usize;
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
112 let truncation = if let Some(offsets) = offsets {
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
113 offsets[rev]
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
114 } else {
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
115 rev * INDEX_ENTRY_SIZE
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
116 };
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
117 if truncation < self.bytes.len() {
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
118 self.truncation = Some(truncation);
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
119 self.added.clear();
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
120 } else {
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
121 self.added.truncate(truncation - self.bytes.len());
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
122 }
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
123 Ok(())
51185
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
124 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
125 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
126
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
127 impl std::ops::Index<std::ops::Range<usize>> for IndexData {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
128 type Output = [u8];
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
129
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
130 fn index(&self, index: std::ops::Range<usize>) -> &Self::Output {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
131 let start = index.start;
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
132 let end = index.end;
51192
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
133 let immutable_len = match self.truncation {
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
134 Some(truncation) => truncation,
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
135 None => self.bytes.len(),
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
136 };
51185
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
137 if start < immutable_len {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
138 if end > immutable_len {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
139 panic!("index data cannot span existing and added ranges");
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
140 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
141 &self.bytes[index]
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
142 } else {
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
143 &self.added[start - immutable_len..end - immutable_len]
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
144 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
145 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
146 }
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
147
51186
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
148 pub struct RevisionDataParams {
51189
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
149 pub flags: u16,
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
150 pub data_offset: u64,
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
151 pub data_compressed_length: i32,
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
152 pub data_uncompressed_length: i32,
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
153 pub data_delta_base: i32,
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
154 pub link_rev: i32,
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
155 pub parent_rev_1: i32,
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
156 pub parent_rev_2: i32,
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
157 pub node_id: [u8; NODE_BYTES_LENGTH],
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
158 pub _sidedata_offset: u64,
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
159 pub _sidedata_compressed_length: i32,
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
160 pub data_compression_mode: u8,
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
161 pub _sidedata_compression_mode: u8,
65c9032e2e5a rust-index: synchronize append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51188
diff changeset
162 pub _rank: i32,
51186
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
163 }
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
164
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
165 #[derive(BytesCast)]
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
166 #[repr(C)]
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
167 pub struct RevisionDataV1 {
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
168 data_offset_or_flags: unaligned::U64Be,
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
169 data_compressed_length: unaligned::I32Be,
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
170 data_uncompressed_length: unaligned::I32Be,
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
171 data_delta_base: unaligned::I32Be,
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
172 link_rev: unaligned::I32Be,
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
173 parent_rev_1: unaligned::I32Be,
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
174 parent_rev_2: unaligned::I32Be,
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
175 node_id: [u8; STORED_NODE_ID_BYTES],
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
176 }
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
177
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
178 fn _static_assert_size_of_revision_data_v1() {
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
179 let _ = std::mem::transmute::<RevisionDataV1, [u8; 64]>;
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
180 }
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
181
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
182 impl RevisionDataParams {
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
183 pub fn validate(&self) -> Result<(), RevlogError> {
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
184 if self.flags & !REVIDX_KNOWN_FLAGS != 0 {
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
185 return Err(RevlogError::corrupted(format!(
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
186 "unknown revlog index flags: {}",
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
187 self.flags
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
188 )));
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
189 }
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
190 if self.data_compression_mode != COMPRESSION_MODE_INLINE {
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
191 return Err(RevlogError::corrupted(format!(
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
192 "invalid data compression mode: {}",
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
193 self.data_compression_mode
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
194 )));
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
195 }
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
196 // FIXME isn't this only for v2 or changelog v2?
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
197 if self._sidedata_compression_mode != COMPRESSION_MODE_INLINE {
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
198 return Err(RevlogError::corrupted(format!(
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
199 "invalid sidedata compression mode: {}",
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
200 self._sidedata_compression_mode
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
201 )));
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
202 }
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
203 Ok(())
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
204 }
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
205
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
206 pub fn into_v1(self) -> RevisionDataV1 {
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
207 let data_offset_or_flags = self.data_offset << 16 | self.flags as u64;
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
208 let mut node_id = [0; STORED_NODE_ID_BYTES];
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
209 node_id[..NODE_BYTES_LENGTH].copy_from_slice(&self.node_id);
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
210 RevisionDataV1 {
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
211 data_offset_or_flags: data_offset_or_flags.into(),
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
212 data_compressed_length: self.data_compressed_length.into(),
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
213 data_uncompressed_length: self.data_uncompressed_length.into(),
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
214 data_delta_base: self.data_delta_base.into(),
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
215 link_rev: self.link_rev.into(),
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
216 parent_rev_1: self.parent_rev_1.into(),
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
217 parent_rev_2: self.parent_rev_2.into(),
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
218 node_id,
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
219 }
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
220 }
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
221 }
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
222
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
223 /// A Revlog index
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
224 pub struct Index {
51185
1ef4a36a934d rust-index: add an abstraction to support bytes added at runtimes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50976
diff changeset
225 bytes: IndexData,
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
226 /// Offsets of starts of index blocks.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
227 /// Only needed when the index is interleaved with data.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
228 offsets: Option<Vec<usize>>,
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
229 uses_generaldelta: bool,
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
230 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
231
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
232 impl Debug for Index {
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
233 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
234 f.debug_struct("Index")
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
235 .field("offsets", &self.offsets)
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
236 .field("uses_generaldelta", &self.uses_generaldelta)
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
237 .finish()
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
238 }
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
239 }
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
240
50975
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
241 impl Graph for Index {
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
242 fn parents(&self, rev: Revision) -> Result<[Revision; 2], GraphError> {
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
243 let err = || GraphError::ParentOutOfRange(rev);
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
244 match self.get_entry(rev) {
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
245 Some(entry) => {
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
246 // The C implementation checks that the parents are valid
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
247 // before returning
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
248 Ok([
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
249 self.check_revision(entry.p1()).ok_or_else(err)?,
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
250 self.check_revision(entry.p2()).ok_or_else(err)?,
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
251 ])
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
252 }
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
253 None => Ok([NULL_REVISION, NULL_REVISION]),
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
254 }
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
255 }
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
256 }
27e773aa607d rust: implement the `Graph` trait for all revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50974
diff changeset
257
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
258 impl Index {
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
259 /// Create an index from bytes.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
260 /// Calculate the start of each entry when is_inline is true.
45602
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
261 pub fn new(
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
262 bytes: Box<dyn Deref<Target = [u8]> + Send>,
51188
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51186
diff changeset
263 default_header: IndexHeader,
47963
001d747c2baf rust: Return HgError instead of RevlogError in revlog constructors
Simon Sapin <simon.sapin@octobus.net>
parents: 46887
diff changeset
264 ) -> Result<Self, HgError> {
51188
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51186
diff changeset
265 let header =
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51186
diff changeset
266 IndexHeader::parse(bytes.as_ref())?.unwrap_or(default_header);
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
267
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
268 if header.format_version() != IndexHeader::REVLOGV1 {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
269 // A proper new version should have had a repo/store
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
270 // requirement.
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
271 return Err(HgError::corrupted("unsupported revlog version"));
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
272 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
273
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
274 // This is only correct because we know version is REVLOGV1.
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
275 // In v2 we always use generaldelta, while in v0 we never use
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
276 // generaldelta. Similar for [is_inline] (it's only used in v1).
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
277 let uses_generaldelta = header.format_flags().uses_generaldelta();
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
278
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
279 if header.format_flags().is_inline() {
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
280 let mut offset: usize = 0;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
281 let mut offsets = Vec::new();
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
282
45590
11f3c3f408fd hg-core: minor code style change (D8958#inline-14993 followup)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45536
diff changeset
283 while offset + INDEX_ENTRY_SIZE <= bytes.len() {
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
284 offsets.push(offset);
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
285 let end = offset + INDEX_ENTRY_SIZE;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
286 let entry = IndexEntry {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
287 bytes: &bytes[offset..end],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
288 offset_override: None,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
289 };
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
290
48543
0a4ac916673e rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents: 48458
diff changeset
291 offset += INDEX_ENTRY_SIZE + entry.compressed_len() as usize;
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
292 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
293
45602
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
294 if offset == bytes.len() {
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
295 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
296 bytes: IndexData::new(bytes),
45602
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
297 offsets: Some(offsets),
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
298 uses_generaldelta,
45602
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
299 })
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
300 } else {
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
301 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
302 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
303 } else {
45602
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
304 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
305 bytes: IndexData::new(bytes),
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
306 offsets: None,
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
307 uses_generaldelta,
45602
1cef583541c0 hg-core: return Err if `offset != bytes.len()`
Antoine cezar<acezar@chwitlabs.fr>
parents: 45601
diff changeset
308 })
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
309 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
310 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
311
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
312 pub fn uses_generaldelta(&self) -> bool {
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
313 self.uses_generaldelta
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
314 }
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
315
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
316 /// 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
317 pub fn is_inline(&self) -> bool {
48226
5e77bdc29d56 rhg: do not try to open a nodemap for an inline index
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48198
diff changeset
318 self.offsets.is_some()
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
319 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
320
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
321 /// 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
322 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
323 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
324 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
325 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
326 &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
327 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
328
45536
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
329 /// 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
330 pub fn len(&self) -> usize {
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
331 if let Some(offsets) = &self.offsets {
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
332 offsets.len()
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
333 } else {
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
334 self.bytes.len() / INDEX_ENTRY_SIZE
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
335 }
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
336 }
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
337
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
338 /// 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
339 pub fn is_empty(&self) -> bool {
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
340 self.len() == 0
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
341 }
639f33f22faf hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45531
diff changeset
342
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
343 /// Return the index entry corresponding to the given revision if it
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
344 /// exists.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
345 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
346 if rev == NULL_REVISION {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
347 return None;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
348 }
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
349 Some(if let Some(offsets) = &self.offsets {
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
350 self.get_entry_inline(rev, offsets)
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
351 } else {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
352 self.get_entry_separated(rev)
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
353 })
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
354 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
355
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
356 fn get_entry_inline(
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
357 &self,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
358 rev: Revision,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
359 offsets: &[usize],
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
360 ) -> IndexEntry {
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
361 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
362 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
363 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
364
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
365 // See IndexEntry for an explanation of this override.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
366 let offset_override = Some(end);
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
367
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
368 IndexEntry {
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
369 bytes,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
370 offset_override,
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
371 }
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
372 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
373
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
374 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
375 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
376 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
377 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
378
45591
f38adf8b0711 hg-core: Explain offset override of first revision
Antoine cezar<acezar@chwitlabs.fr>
parents: 45590
diff changeset
379 // Override the offset of the first revision as its bytes are used
f38adf8b0711 hg-core: Explain offset override of first revision
Antoine cezar<acezar@chwitlabs.fr>
parents: 45590
diff changeset
380 // for the index's metadata (saving space because it is always 0)
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
381 let offset_override = if rev == Revision(0) { Some(0) } else { None };
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
382
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
383 IndexEntry {
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
384 bytes,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
385 offset_override,
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
386 }
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
387 }
51186
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
388
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
389 /// 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
390 pub fn append(
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
391 &mut self,
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
392 revision_data: RevisionDataParams,
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
393 ) -> Result<(), RevlogError> {
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
394 revision_data.validate()?;
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
395 let new_offset = self.bytes.len();
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
396 if let Some(offsets) = self.offsets.as_mut() {
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
397 offsets.push(new_offset)
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
398 }
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
399 self.bytes.added.extend(revision_data.into_v1().as_bytes());
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
400 Ok(())
b4d152a28742 rust-index: add append method
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51185
diff changeset
401 }
51192
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
402
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
403 pub fn remove(&mut self, rev: Revision) -> Result<(), RevlogError> {
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
404 self.bytes.remove(rev, self.offsets.as_deref())?;
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
405 if let Some(offsets) = self.offsets.as_mut() {
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
406 offsets.truncate(rev.0 as usize)
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
407 }
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
408 Ok(())
f6403bcd9f96 rust-index: synchronize remove to Rust index
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51189
diff changeset
409 }
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
410 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
411
46090
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
412 impl super::RevlogIndex for Index {
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
413 fn len(&self) -> usize {
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
414 self.len()
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
415 }
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
416
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
417 fn node(&self, rev: Revision) -> Option<&Node> {
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
418 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
419 }
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
420 }
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
421
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
422 #[derive(Debug)]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
423 pub struct IndexEntry<'a> {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
424 bytes: &'a [u8],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
425 /// Allows to override the offset value of the entry.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
426 ///
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
427 /// For interleaved index and data, the offset stored in the index
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
428 /// corresponds to the separated data offset.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
429 /// It has to be overridden with the actual offset in the interleaved
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
430 /// index which is just after the index block.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
431 ///
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
432 /// For separated index and data, the offset stored in the first index
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
433 /// entry is mixed with the index headers.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
434 /// It has to be overridden with 0.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
435 offset_override: Option<usize>,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
436 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
437
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
438 impl<'a> IndexEntry<'a> {
45593
da30e4b553c3 hg-core: minor docstring update (D8958#inline-14991 followup)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45592
diff changeset
439 /// 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
440 pub fn offset(&self) -> usize {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
441 if let Some(offset_override) = self.offset_override {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
442 offset_override
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
443 } else {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
444 let mut bytes = [0; 8];
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
445 bytes[2..8].copy_from_slice(&self.bytes[0..=5]);
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
446 BigEndian::read_u64(&bytes[..]) as usize
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
447 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
448 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
449
48546
e91aa800ae5b rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents: 48543
diff changeset
450 pub fn flags(&self) -> u16 {
e91aa800ae5b rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents: 48543
diff changeset
451 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
452 }
e91aa800ae5b rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents: 48543
diff changeset
453
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
454 /// 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
455 pub fn compressed_len(&self) -> u32 {
0a4ac916673e rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents: 48458
diff changeset
456 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
457 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
458
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
459 /// 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
460 pub fn uncompressed_len(&self) -> i32 {
0a4ac916673e rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents: 48458
diff changeset
461 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
462 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
463
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
464 /// 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
465 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
466 // 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
467 // 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
468
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
469 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
470 }
45531
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
471
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
472 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
473 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
474 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
475
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
476 pub fn p1(&self) -> UncheckedRevision {
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
477 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
478 }
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
479
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
480 pub fn p2(&self) -> UncheckedRevision {
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
481 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
482 }
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
483
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
484 /// 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
485 ///
b0d6309ff50c hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents: 45526
diff changeset
486 /// 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
487 /// are used.
46090
9eb07ab3f2d4 rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents: 46033
diff changeset
488 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
489 (&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
490 }
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
491 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
492
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
493 #[cfg(test)]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
494 mod tests {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
495 use super::*;
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
496 use crate::node::NULL_NODE;
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
497
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
498 #[cfg(test)]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
499 #[derive(Debug, Copy, Clone)]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
500 pub struct IndexEntryBuilder {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
501 is_first: bool,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
502 is_inline: bool,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
503 is_general_delta: bool,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
504 version: u16,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
505 offset: usize,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
506 compressed_len: usize,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
507 uncompressed_len: usize,
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
508 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
509 link_revision: Revision,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
510 p1: Revision,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
511 p2: Revision,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
512 node: Node,
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
513 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
514
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
515 #[cfg(test)]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
516 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
517 #[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
518 pub fn new() -> Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
519 Self {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
520 is_first: false,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
521 is_inline: false,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
522 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
523 version: 1,
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
524 offset: 0,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
525 compressed_len: 0,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
526 uncompressed_len: 0,
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
527 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
528 link_revision: Revision(0),
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
529 p1: NULL_REVISION,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
530 p2: NULL_REVISION,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
531 node: NULL_NODE,
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
532 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
533 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
534
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
535 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
536 self.is_first = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
537 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
538 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
539
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
540 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
541 self.is_inline = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
542 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
543 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
544
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
545 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
546 self.is_general_delta = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
547 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
548 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
549
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
550 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
551 self.version = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
552 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
553 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
554
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
555 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
556 self.offset = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
557 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
558 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
559
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
560 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
561 self.compressed_len = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
562 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
563 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
564
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
565 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
566 self.uncompressed_len = value;
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
567 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
568 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
569
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
570 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
571 &mut self,
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
572 value: Revision,
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
573 ) -> &mut Self {
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
574 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
575 self
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
576 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
577
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
578 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
579 self.link_revision = value;
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
580 self
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
581 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
582
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
583 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
584 self.p1 = value;
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
585 self
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
586 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
587
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
588 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
589 self.p2 = value;
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
590 self
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
591 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
592
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
593 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
594 self.node = value;
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
595 self
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
596 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
597
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
598 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
599 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
600 if self.is_first {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
601 bytes.extend(&match (self.is_general_delta, self.is_inline) {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
602 (false, false) => [0u8, 0],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
603 (false, true) => [0u8, 1],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
604 (true, false) => [0u8, 2],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
605 (true, true) => [0u8, 3],
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
606 });
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
607 bytes.extend(&self.version.to_be_bytes());
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
608 // Remaining offset bytes.
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
609 bytes.extend(&[0u8; 2]);
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
610 } else {
46887
6d5a26e94d9e unit-tests: Fix `cargo test` on 32-bit platforms
Simon Sapin <simon.sapin@octobus.net>
parents: 46443
diff changeset
611 // 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
612 bytes.extend(&(self.offset as u64).to_be_bytes()[2..]);
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
613 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
614 bytes.extend(&[0u8; 2]); // Revision flags.
46887
6d5a26e94d9e unit-tests: Fix `cargo test` on 32-bit platforms
Simon Sapin <simon.sapin@octobus.net>
parents: 46443
diff changeset
615 bytes.extend(&(self.compressed_len as u32).to_be_bytes());
6d5a26e94d9e unit-tests: Fix `cargo test` on 32-bit platforms
Simon Sapin <simon.sapin@octobus.net>
parents: 46443
diff changeset
616 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
617 bytes.extend(
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
618 &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
619 );
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
620 bytes.extend(&self.link_revision.0.to_be_bytes());
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
621 bytes.extend(&self.p1.0.to_be_bytes());
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
622 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
623 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
624 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
625 bytes
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
626 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
627 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
628
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
629 pub fn is_inline(index_bytes: &[u8]) -> bool {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
630 IndexHeader::parse(index_bytes)
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
631 .expect("too short")
51188
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51186
diff changeset
632 .unwrap()
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
633 .format_flags()
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
634 .is_inline()
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
635 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
636
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
637 pub fn uses_generaldelta(index_bytes: &[u8]) -> bool {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
638 IndexHeader::parse(index_bytes)
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
639 .expect("too short")
51188
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51186
diff changeset
640 .unwrap()
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
641 .format_flags()
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
642 .uses_generaldelta()
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
643 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
644
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
645 pub fn get_version(index_bytes: &[u8]) -> u16 {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
646 IndexHeader::parse(index_bytes)
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
647 .expect("too short")
51188
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51186
diff changeset
648 .unwrap()
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
649 .format_version()
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
650 }
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
651
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
652 #[test]
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
653 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
654 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
655 .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
656 .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
657 .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
658 .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
659
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
660 assert!(!is_inline(&bytes));
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
661 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
662 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
663
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
664 #[test]
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
665 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
666 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
667 .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
668 .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
669 .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
670 .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
671
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
672 assert!(is_inline(&bytes));
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
673 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
674 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
675
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
676 #[test]
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
677 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
678 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
679 .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
680 .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
681 .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
682 .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
683
49930
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
684 assert!(is_inline(&bytes));
e98fd81bb151 rust-clippy: fix most warnings in `hg-core`
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49926
diff changeset
685 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
686 }
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
687
900b9b79b99c hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents: 45593
diff changeset
688 #[test]
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
689 fn test_offset() {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
690 let bytes = IndexEntryBuilder::new().with_offset(1).build();
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
691 let entry = IndexEntry {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
692 bytes: &bytes,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
693 offset_override: None,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
694 };
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
695
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
696 assert_eq!(entry.offset(), 1)
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
697 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
698
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
699 #[test]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
700 fn test_with_overridden_offset() {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
701 let bytes = IndexEntryBuilder::new().with_offset(1).build();
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
702 let entry = IndexEntry {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
703 bytes: &bytes,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
704 offset_override: Some(2),
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
705 };
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
706
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
707 assert_eq!(entry.offset(), 2)
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
708 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
709
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
710 #[test]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
711 fn test_compressed_len() {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
712 let bytes = IndexEntryBuilder::new().with_compressed_len(1).build();
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
713 let entry = IndexEntry {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
714 bytes: &bytes,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
715 offset_override: None,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
716 };
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
717
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
718 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
719 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
720
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
721 #[test]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
722 fn test_uncompressed_len() {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
723 let bytes = IndexEntryBuilder::new().with_uncompressed_len(1).build();
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
724 let entry = IndexEntry {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
725 bytes: &bytes,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
726 offset_override: None,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
727 };
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
728
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
729 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
730 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
731
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
732 #[test]
48458
96ea4db4741b rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48457
diff changeset
733 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
734 let bytes = IndexEntryBuilder::new()
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
735 .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
736 .build();
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
737 let entry = IndexEntry {
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
738 bytes: &bytes,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
739 offset_override: None,
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
740 };
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
741
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
742 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
743 }
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
744
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
745 #[test]
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
746 fn link_revision_test() {
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
747 let bytes = IndexEntryBuilder::new()
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
748 .with_link_revision(Revision(123))
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
749 .build();
49093
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
750
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
751 let entry = IndexEntry {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
752 bytes: &bytes,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
753 offset_override: None,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
754 };
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
755
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
756 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
757 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
758
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
759 #[test]
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
760 fn p1_test() {
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
761 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
762
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
763 let entry = IndexEntry {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
764 bytes: &bytes,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
765 offset_override: None,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
766 };
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
767
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
768 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
769 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
770
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
771 #[test]
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
772 fn p2_test() {
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 50975
diff changeset
773 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
774
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
775 let entry = IndexEntry {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
776 bytes: &bytes,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
777 offset_override: None,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
778 };
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
779
50974
1928b770e3e7 rust: use the new `UncheckedRevision` everywhere applicable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49930
diff changeset
780 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
781 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
782
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
783 #[test]
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
784 fn node_test() {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
785 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
786 .unwrap();
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
787 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
788
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
789 let entry = IndexEntry {
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
790 bytes: &bytes,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
791 offset_override: None,
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
792 };
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
793
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
794 assert_eq!(*entry.hash(), node);
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
795 }
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
796
2a9a55ffe24f rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents: 49092
diff changeset
797 #[test]
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
798 fn version_test() {
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
799 let bytes = IndexEntryBuilder::new()
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
800 .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
801 .with_version(2)
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
802 .build();
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
803
49092
d200ecb76c72 rust-revlog: change default version from 2 to 1 in test builder
Martin von Zweigbergk <martinvonz@google.com>
parents: 48546
diff changeset
804 assert_eq!(get_version(&bytes), 2)
48457
1fb3615dfce2 rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 48226
diff changeset
805 }
45526
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
806 }
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
807
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
808 #[cfg(test)]
26c53ee51c68 hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
809 pub use tests::IndexEntryBuilder;