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annotate rust/hg-core/src/config/mod.rs @ 49954:a11237723332

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rust: use `peek_mut` from the standard lib now that it's stable Just a little cleanup of a TODO found along the way.
author Rapha?l Gom?s <rgomes@octobus.net>
date Fri, 13 Jan 2023 00:07:07 +0100
parents 2cd8352f7e11
children af9d050f2bb8
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1 // config.rs
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2 //
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3 // Copyright 2020
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4 // Valentin Gatien-Baron,
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5 // Raphaël Gomès <rgomes@octobus.net>
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6 //
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7 // This software may be used and distributed according to the terms of the
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8 // GNU General Public License version 2 or any later version.
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9
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10 //! Mercurial config parsing and interfaces.
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11
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12 mod layer;
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13 mod plain_info;
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14 mod values;
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15 pub use layer::{ConfigError, ConfigOrigin, ConfigParseError};
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16 pub use plain_info::PlainInfo;
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17
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18 use self::layer::ConfigLayer;
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19 use self::layer::ConfigValue;
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20 use crate::errors::{HgResultExt, IoResultExt};
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21 use crate::utils::files::get_bytes_from_os_str;
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22 use format_bytes::{write_bytes, DisplayBytes};
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23 use std::collections::HashSet;
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24 use std::env;
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25 use std::fmt;
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26 use std::path::{Path, PathBuf};
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27 use std::str;
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28
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29 /// Holds the config values for the current repository
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30 /// TODO update this docstring once we support more sources
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31 #[derive(Clone)]
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32 pub struct Config {
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33 layers: Vec<layer::ConfigLayer>,
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34 plain: PlainInfo,
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35 }
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36
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37 impl DisplayBytes for Config {
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38 fn display_bytes(
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39 &self,
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40 out: &mut dyn std::io::Write,
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41 ) -> std::io::Result<()> {
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42 for (index, layer) in self.layers.iter().rev().enumerate() {
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43 write_bytes!(
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44 out,
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45 b"==== Layer {} (trusted: {}) ====\n{}",
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46 index,
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47 if layer.trusted {
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48 &b"yes"[..]
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49 } else {
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50 &b"no"[..]
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51 },
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52 layer
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53 )?;
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54 }
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55 Ok(())
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56 }
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57 }
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58
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59 pub enum ConfigSource {
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60 /// Absolute path to a config file
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61 AbsPath(PathBuf),
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62 /// Already parsed (from the CLI, env, Python resources, etc.)
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63 Parsed(layer::ConfigLayer),
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64 }
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65
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66 #[derive(Debug)]
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67 pub struct ConfigValueParseError {
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68 pub origin: ConfigOrigin,
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69 pub line: Option<usize>,
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70 pub section: Vec<u8>,
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71 pub item: Vec<u8>,
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72 pub value: Vec<u8>,
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73 pub expected_type: &'static str,
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74 }
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75
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76 impl fmt::Display for ConfigValueParseError {
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77 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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78 // TODO: add origin and line number information, here and in
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79 // corresponding python code
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80 write!(
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81 f,
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82 "config error: {}.{} is not a {} ('{}')",
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83 String::from_utf8_lossy(&self.section),
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84 String::from_utf8_lossy(&self.item),
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85 self.expected_type,
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86 String::from_utf8_lossy(&self.value)
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87 )
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88 }
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89 }
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90
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91 /// Returns true if the config item is disabled by PLAIN or PLAINEXCEPT
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92 fn should_ignore(plain: &PlainInfo, section: &[u8], item: &[u8]) -> bool {
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93 // duplication with [_applyconfig] in [ui.py],
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94 if !plain.is_plain() {
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95 return false;
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96 }
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97 if section == b"alias" {
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98 return plain.plainalias();
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99 }
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100 if section == b"revsetalias" {
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101 return plain.plainrevsetalias();
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102 }
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103 if section == b"templatealias" {
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104 return plain.plaintemplatealias();
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105 }
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106 if section == b"ui" {
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107 let to_delete: &[&[u8]] = &[
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108 b"debug",
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109 b"fallbackencoding",
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110 b"quiet",
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111 b"slash",
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112 b"logtemplate",
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113 b"message-output",
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114 b"statuscopies",
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115 b"style",
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116 b"traceback",
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117 b"verbose",
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118 ];
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119 return to_delete.contains(&item);
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120 }
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121 let sections_to_delete: &[&[u8]] =
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122 &[b"defaults", b"commands", b"command-templates"];
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123 sections_to_delete.contains(&section)
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124 }
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125
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126 impl Config {
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127 /// The configuration to use when printing configuration-loading errors
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128 pub fn empty() -> Self {
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129 Self {
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130 layers: Vec::new(),
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131 plain: PlainInfo::empty(),
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132 }
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133 }
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134
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135 /// Load system and user configuration from various files.
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136 ///
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137 /// This is also affected by some environment variables.
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138 pub fn load_non_repo() -> Result<Self, ConfigError> {
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139 let mut config = Self::empty();
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140 let opt_rc_path = env::var_os("HGRCPATH");
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141 // HGRCPATH replaces system config
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142 if opt_rc_path.is_none() {
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143 config.add_system_config()?
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144 }
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145
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146 config.add_for_environment_variable("EDITOR", b"ui", b"editor");
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147 config.add_for_environment_variable("VISUAL", b"ui", b"editor");
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148 config.add_for_environment_variable("PAGER", b"pager", b"pager");
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149
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150 // These are set by `run-tests.py --rhg` to enable fallback for the
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151 // entire test suite. Alternatives would be setting configuration
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152 // through `$HGRCPATH` but some tests override that, or changing the
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153 // `hg` shell alias to include `--config` but that disrupts tests that
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154 // print command lines and check expected output.
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155 config.add_for_environment_variable(
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156 "RHG_ON_UNSUPPORTED",
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157 b"rhg",
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158 b"on-unsupported",
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159 );
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160 config.add_for_environment_variable(
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161 "RHG_FALLBACK_EXECUTABLE",
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162 b"rhg",
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163 b"fallback-executable",
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164 );
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165
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166 // HGRCPATH replaces user config
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167 if opt_rc_path.is_none() {
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168 config.add_user_config()?
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169 }
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170 if let Some(rc_path) = &opt_rc_path {
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171 for path in env::split_paths(rc_path) {
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172 if !path.as_os_str().is_empty() {
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173 if path.is_dir() {
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174 config.add_trusted_dir(&path)?
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175 } else {
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176 config.add_trusted_file(&path)?
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177 }
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178 }
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179 }
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180 }
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181 Ok(config)
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182 }
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183
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184 pub fn load_cli_args(
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185 &mut self,
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186 cli_config_args: impl IntoIterator<Item = impl AsRef<[u8]>>,
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187 color_arg: Option<Vec<u8>>,
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188 ) -> Result<(), ConfigError> {
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189 if let Some(layer) = ConfigLayer::parse_cli_args(cli_config_args)? {
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190 self.layers.push(layer)
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191 }
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192 if let Some(arg) = color_arg {
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193 let mut layer = ConfigLayer::new(ConfigOrigin::CommandLineColor);
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194 layer.add(b"ui"[..].into(), b"color"[..].into(), arg, None);
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195 self.layers.push(layer)
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196 }
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197 Ok(())
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198 }
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199
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200 fn add_trusted_dir(&mut self, path: &Path) -> Result<(), ConfigError> {
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201 if let Some(entries) = std::fs::read_dir(path)
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202 .when_reading_file(path)
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203 .io_not_found_as_none()?
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204 {
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205 let mut file_paths = entries
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206 .map(|result| {
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207 result.when_reading_file(path).map(|entry| entry.path())
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208 })
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209 .collect::<Result<Vec<_>, _>>()?;
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210 file_paths.sort();
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211 for file_path in &file_paths {
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212 if file_path.extension() == Some(std::ffi::OsStr::new("rc")) {
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213 self.add_trusted_file(file_path)?
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214 }
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215 }
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216 }
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217 Ok(())
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218 }
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219
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220 fn add_trusted_file(&mut self, path: &Path) -> Result<(), ConfigError> {
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221 if let Some(data) = std::fs::read(path)
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222 .when_reading_file(path)
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223 .io_not_found_as_none()?
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224 {
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225 self.layers.extend(ConfigLayer::parse(path, &data)?)
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226 }
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227 Ok(())
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228 }
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229
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230 fn add_for_environment_variable(
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231 &mut self,
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232 var: &str,
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233 section: &[u8],
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234 key: &[u8],
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235 ) {
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236 if let Some(value) = env::var_os(var) {
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237 let origin = layer::ConfigOrigin::Environment(var.into());
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238 let mut layer = ConfigLayer::new(origin);
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239 layer.add(
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240 section.to_owned(),
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241 key.to_owned(),
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242 get_bytes_from_os_str(value),
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243 None,
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244 );
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245 self.layers.push(layer)
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246 }
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247 }
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248
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249 #[cfg(unix)] // TODO: other platforms
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250 fn add_system_config(&mut self) -> Result<(), ConfigError> {
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251 let mut add_for_prefix = |prefix: &Path| -> Result<(), ConfigError> {
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252 let etc = prefix.join("etc").join("mercurial");
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253 self.add_trusted_file(&etc.join("hgrc"))?;
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254 self.add_trusted_dir(&etc.join("hgrc.d"))
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255 };
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256 let root = Path::new("/");
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257 // TODO: use `std::env::args_os().next().unwrap()` a.k.a. argv[0]
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258 // instead? TODO: can this be a relative path?
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259 let hg = crate::utils::current_exe()?;
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260 // TODO: this order (per-installation then per-system) matches
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261 // `systemrcpath()` in `mercurial/scmposix.py`, but
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262 // `mercurial/helptext/config.txt` suggests it should be reversed
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263 if let Some(installation_prefix) = hg.parent().and_then(Path::parent) {
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264 if installation_prefix != root {
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265 add_for_prefix(installation_prefix)?
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266 }
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267 }
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268 add_for_prefix(root)?;
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269 Ok(())
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270 }
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271
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272 #[cfg(unix)] // TODO: other plateforms
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273 fn add_user_config(&mut self) -> Result<(), ConfigError> {
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274 let opt_home = home::home_dir();
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275 if let Some(home) = &opt_home {
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276 self.add_trusted_file(&home.join(".hgrc"))?
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277 }
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278 let darwin = cfg!(any(target_os = "macos", target_os = "ios"));
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279 if !darwin {
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280 if let Some(config_home) = env::var_os("XDG_CONFIG_HOME")
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281 .map(PathBuf::from)
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282 .or_else(|| opt_home.map(|home| home.join(".config")))
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283 {
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284 self.add_trusted_file(&config_home.join("hg").join("hgrc"))?
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285 }
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286 }
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287 Ok(())
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288 }
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289
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290 /// Loads in order, which means that the precedence is the same
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291 /// as the order of `sources`.
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292 pub fn load_from_explicit_sources(
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293 sources: Vec<ConfigSource>,
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294 ) -> Result<Self, ConfigError> {
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295 let mut layers = vec![];
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296
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297 for source in sources.into_iter() {
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298 match source {
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299 ConfigSource::Parsed(c) => layers.push(c),
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300 ConfigSource::AbsPath(c) => {
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301 // TODO check if it should be trusted
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302 // mercurial/ui.py:427
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303 let data = match std::fs::read(&c) {
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304 Err(_) => continue, // same as the python code
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305 Ok(data) => data,
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306 };
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307 layers.extend(ConfigLayer::parse(&c, &data)?)
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308 }
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309 }
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310 }
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311
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312 Ok(Config {
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313 layers,
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314 plain: PlainInfo::empty(),
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315 })
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316 }
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317
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318 /// Loads the per-repository config into a new `Config` which is combined
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319 /// with `self`.
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320 pub(crate) fn combine_with_repo(
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321 &self,
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322 repo_config_files: &[PathBuf],
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323 ) -> Result<Self, ConfigError> {
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324 let (cli_layers, other_layers) = self
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325 .layers
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326 .iter()
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327 .cloned()
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328 .partition(ConfigLayer::is_from_command_line);
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329
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330 let mut repo_config = Self {
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331 layers: other_layers,
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332 plain: PlainInfo::empty(),
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333 };
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334 for path in repo_config_files {
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335 // TODO: check if this file should be trusted:
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336 // `mercurial/ui.py:427`
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337 repo_config.add_trusted_file(path)?;
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338 }
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339 repo_config.layers.extend(cli_layers);
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340 Ok(repo_config)
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341 }
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342
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343 pub fn apply_plain(&mut self, plain: PlainInfo) {
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344 self.plain = plain;
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345 }
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346
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347 fn get_parse<'config, T: 'config>(
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348 &'config self,
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349 section: &[u8],
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350 item: &[u8],
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351 expected_type: &'static str,
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352 parse: impl Fn(&'config [u8]) -> Option<T>,
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353 ) -> Result<Option<T>, ConfigValueParseError> {
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354 match self.get_inner(section, item) {
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355 Some((layer, v)) => match parse(&v.bytes) {
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356 Some(b) => Ok(Some(b)),
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357 None => Err(ConfigValueParseError {
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358 origin: layer.origin.to_owned(),
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359 line: v.line,
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360 value: v.bytes.to_owned(),
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361 section: section.to_owned(),
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362 item: item.to_owned(),
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363 expected_type,
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364 }),
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365 },
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366 None => Ok(None),
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367 }
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368 }
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369
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370 /// Returns an `Err` if the first value found is not a valid UTF-8 string.
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371 /// Otherwise, returns an `Ok(value)` if found, or `None`.
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parents: 49513
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372 pub fn get_str(
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373 &self,
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diff changeset
374 section: &[u8],
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Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
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375 item: &[u8],
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parents: 49513
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376 ) -> Result<Option<&str>, ConfigValueParseError> {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
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parents: 49513
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377 self.get_parse(section, item, "ASCII or UTF-8 string", |value| {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
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378 str::from_utf8(value).ok()
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
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379 })
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
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380 }
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diff changeset
381
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382 /// Returns an `Err` if the first value found is not a valid unsigned
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Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
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383 /// integer. Otherwise, returns an `Ok(value)` if found, or `None`.
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
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384 pub fn get_u32(
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385 &self,
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Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
386 section: &[u8],
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Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
387 item: &[u8],
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Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
388 ) -> Result<Option<u32>, ConfigValueParseError> {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
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389 self.get_parse(section, item, "valid integer", |value| {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
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390 str::from_utf8(value).ok()?.parse().ok()
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
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391 })
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
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diff changeset
392 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
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393
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394 /// Returns an `Err` if the first value found is not a valid file size
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395 /// value such as `30` (default unit is bytes), `7 MB`, or `42.5 kb`.
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Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
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396 /// Otherwise, returns an `Ok(value_in_bytes)` if found, or `None`.
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
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397 pub fn get_byte_size(
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398 &self,
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Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
399 section: &[u8],
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
400 item: &[u8],
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
401 ) -> Result<Option<u64>, ConfigValueParseError> {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
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402 self.get_parse(section, item, "byte quantity", values::parse_byte_size)
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
403 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
404
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Rapha?l Gom?s <rgomes@octobus.net>
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405 /// Returns an `Err` if the first value found is not a valid boolean.
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
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406 /// Otherwise, returns an `Ok(option)`, where `option` is the boolean if
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
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407 /// found, or `None`.
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Rapha?l Gom?s <rgomes@octobus.net>
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408 pub fn get_option(
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Rapha?l Gom?s <rgomes@octobus.net>
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409 &self,
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
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diff changeset
410 section: &[u8],
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
411 item: &[u8],
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
412 ) -> Result<Option<bool>, ConfigValueParseError> {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
413 self.get_parse(section, item, "boolean", values::parse_bool)
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
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diff changeset
414 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
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diff changeset
415
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
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diff changeset
416 /// Returns the corresponding boolean in the config. Returns `Ok(false)`
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
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417 /// if the value is not found, an `Err` if it's not a valid boolean.
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
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418 pub fn get_bool(
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419 &self,
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
420 section: &[u8],
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
421 item: &[u8],
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Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
422 ) -> Result<bool, ConfigValueParseError> {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
423 Ok(self.get_option(section, item)?.unwrap_or(false))
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
424 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
425
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
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diff changeset
426 /// Returns `true` if the extension is enabled, `false` otherwise
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
427 pub fn is_extension_enabled(&self, extension: &[u8]) -> bool {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
428 let value = self.get(b"extensions", extension);
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
429 match value {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
430 Some(c) => !c.starts_with(b"!"),
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
431 None => false,
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
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diff changeset
432 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
433 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
434
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
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diff changeset
435 /// If there is an `item` value in `section`, parse and return a list of
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
436 /// byte strings.
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
437 pub fn get_list(
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
438 &self,
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
439 section: &[u8],
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
440 item: &[u8],
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
441 ) -> Option<Vec<Vec<u8>>> {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
442 self.get(section, item).map(values::parse_list)
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
443 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
444
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
445 /// Returns the raw value bytes of the first one found, or `None`.
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
446 pub fn get(&self, section: &[u8], item: &[u8]) -> Option<&[u8]> {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
447 self.get_inner(section, item)
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
448 .map(|(_, value)| value.bytes.as_ref())
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
449 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
450
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
451 /// Returns the raw value bytes of the first one found, or `None`.
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
452 pub fn get_with_origin(
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
453 &self,
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
454 section: &[u8],
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
455 item: &[u8],
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
456 ) -> Option<(&[u8], &ConfigOrigin)> {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
457 self.get_inner(section, item)
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
458 .map(|(layer, value)| (value.bytes.as_ref(), &layer.origin))
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
459 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
460
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
461 /// Returns the layer and the value of the first one found, or `None`.
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
462 fn get_inner(
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
463 &self,
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
464 section: &[u8],
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
465 item: &[u8],
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
466 ) -> Option<(&ConfigLayer, &ConfigValue)> {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
467 // Filter out the config items that are hidden by [PLAIN].
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
468 // This differs from python hg where we delete them from the config.
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
469 let should_ignore = should_ignore(&self.plain, section, item);
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
470 for layer in self.layers.iter().rev() {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
471 if !layer.trusted {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
472 continue;
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
473 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
474 //The [PLAIN] config should not affect the defaults.
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
475 //
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
476 // However, PLAIN should also affect the "tweaked" defaults (unless
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
477 // "tweakdefault" is part of "HGPLAINEXCEPT").
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
478 //
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
479 // In practice the tweak-default layer is only added when it is
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
480 // relevant, so we can safely always take it into
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
481 // account here.
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
482 if should_ignore && !(layer.origin == ConfigOrigin::Tweakdefaults)
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
483 {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
484 continue;
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
485 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
486 if let Some(v) = layer.get(section, item) {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
487 return Some((layer, v));
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
488 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
489 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
490 None
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
491 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
492
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
493 /// Return all keys defined for the given section
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
494 pub fn get_section_keys(&self, section: &[u8]) -> HashSet<&[u8]> {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
495 self.layers
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
496 .iter()
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
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diff changeset
497 .flat_map(|layer| layer.iter_keys(section))
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
498 .collect()
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
499 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
500
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
501 /// Returns whether any key is defined in the given section
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
502 pub fn has_non_empty_section(&self, section: &[u8]) -> bool {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
503 self.layers
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
504 .iter()
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
505 .any(|layer| layer.has_non_empty_section(section))
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
506 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
507
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
508 /// Yields (key, value) pairs for everything in the given section
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
509 pub fn iter_section<'a>(
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
510 &'a self,
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
511 section: &'a [u8],
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
512 ) -> impl Iterator<Item = (&[u8], &[u8])> + 'a {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
513 // Deduplicate keys redefined in multiple layers
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
514 let mut keys_already_seen = HashSet::new();
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
515 let mut key_is_new =
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
516 move |&(key, _value): &(&'a [u8], &'a [u8])| -> bool {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
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diff changeset
517 keys_already_seen.insert(key)
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
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518 };
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
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diff changeset
519 // This is similar to `flat_map` + `filter_map`, except with a single
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
520 // closure that owns `key_is_new` (and therefore the
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
521 // `keys_already_seen` set):
49954
a11237723332 rust: use `peek_mut` from the standard lib now that it's stable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49936
diff changeset
522 let mut layer_iters = self
a11237723332 rust: use `peek_mut` from the standard lib now that it's stable
Rapha?l Gom?s <rgomes@octobus.net>
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diff changeset
523 .layers
a11237723332 rust: use `peek_mut` from the standard lib now that it's stable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49936
diff changeset
524 .iter()
a11237723332 rust: use `peek_mut` from the standard lib now that it's stable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49936
diff changeset
525 .rev()
a11237723332 rust: use `peek_mut` from the standard lib now that it's stable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49936
diff changeset
526 .map(move |layer| layer.iter_section(section))
a11237723332 rust: use `peek_mut` from the standard lib now that it's stable
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49936
diff changeset
527 .peekable();
49936
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
528 std::iter::from_fn(move || loop {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
529 if let Some(pair) = layer_iters.peek_mut()?.find(&mut key_is_new) {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
530 return Some(pair);
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
531 } else {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
532 layer_iters.next();
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
533 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
534 })
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
535 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
536
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
537 /// Get raw values bytes from all layers (even untrusted ones) in order
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
538 /// of precedence.
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
539 #[cfg(test)]
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
540 fn get_all(&self, section: &[u8], item: &[u8]) -> Vec<&[u8]> {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
541 let mut res = vec![];
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
542 for layer in self.layers.iter().rev() {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
543 if let Some(v) = layer.get(section, item) {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
544 res.push(v.bytes.as_ref());
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
545 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
546 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
547 res
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
548 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
549
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
550 // a config layer that's introduced by ui.tweakdefaults
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
551 fn tweakdefaults_layer() -> ConfigLayer {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
552 let mut layer = ConfigLayer::new(ConfigOrigin::Tweakdefaults);
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
553
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
554 let mut add = |section: &[u8], item: &[u8], value: &[u8]| {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
555 layer.add(
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
556 section[..].into(),
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
557 item[..].into(),
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
558 value[..].into(),
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
559 None,
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
560 );
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
561 };
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
562 // duplication of [tweakrc] from [ui.py]
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
563 add(b"ui", b"rollback", b"False");
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
564 add(b"ui", b"statuscopies", b"yes");
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
565 add(b"ui", b"interface", b"curses");
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
566 add(b"ui", b"relative-paths", b"yes");
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
567 add(b"commands", b"grep.all-files", b"True");
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
568 add(b"commands", b"update.check", b"noconflict");
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
569 add(b"commands", b"status.verbose", b"True");
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
570 add(b"commands", b"resolve.explicit-re-merge", b"True");
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
571 add(b"git", b"git", b"1");
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
572 add(b"git", b"showfunc", b"1");
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
573 add(b"git", b"word-diff", b"1");
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
574 layer
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
575 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
576
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
577 // introduce the tweaked defaults as implied by ui.tweakdefaults
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
578 pub fn tweakdefaults(&mut self) {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
579 self.layers.insert(0, Config::tweakdefaults_layer());
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
580 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
581 }
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
582
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
583 #[cfg(test)]
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
584 mod tests {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
585 use super::*;
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
586 use pretty_assertions::assert_eq;
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
587 use std::fs::File;
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
588 use std::io::Write;
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
589
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
590 #[test]
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
591 fn test_include_layer_ordering() {
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
592 let tmpdir = tempfile::tempdir().unwrap();
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
593 let tmpdir_path = tmpdir.path();
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
594 let mut included_file =
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
595 File::create(&tmpdir_path.join("included.rc")).unwrap();
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
596
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
597 included_file.write_all(b"[section]\nitem=value1").unwrap();
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
598 let base_config_path = tmpdir_path.join("base.rc");
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
599 let mut config_file = File::create(&base_config_path).unwrap();
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
600 let data =
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
601 b"[section]\nitem=value0\n%include included.rc\nitem=value2\n\
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
602 [section2]\ncount = 4\nsize = 1.5 KB\nnot-count = 1.5\nnot-size = 1 ub";
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
603 config_file.write_all(data).unwrap();
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
604
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49513
diff changeset
605 let sources = vec![ConfigSource::AbsPath(base_config_path)];
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
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606 let config = Config::load_from_explicit_sources(sources)
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607 .expect("expected valid config");
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608
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609 let (_, value) = config.get_inner(b"section", b"item").unwrap();
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610 assert_eq!(
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611 value,
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612 &ConfigValue {
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613 bytes: b"value2".to_vec(),
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614 line: Some(4)
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615 }
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616 );
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617
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618 let value = config.get(b"section", b"item").unwrap();
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parents: 49513
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619 assert_eq!(value, b"value2",);
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620 assert_eq!(
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621 config.get_all(b"section", b"item"),
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622 [b"value2", b"value1", b"value0"]
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parents: 49513
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623 );
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624
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625 assert_eq!(config.get_u32(b"section2", b"count").unwrap(), Some(4));
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626 assert_eq!(
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627 config.get_byte_size(b"section2", b"size").unwrap(),
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628 Some(1024 + 512)
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629 );
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630 assert!(config.get_u32(b"section2", b"not-count").is_err());
2cd8352f7e11 rust-clippy: merge "config" module definition and struct implementation
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631 assert!(config.get_byte_size(b"section2", b"not-size").is_err());
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632 }
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633 }