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annotate rust/hg-core/src/config/config_items.rs @ 50760:f8412da86d05

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rust-config: add support for default config items Now that configitems.toml exists, we can read from it the default values for all core config items. We will add the devel-warning for use of undeclared config items in a later patch when we're done adding the missing entries for `rhg`.
author Rapha?l Gom?s <rgomes@octobus.net>
date Thu, 06 Jul 2023 14:32:07 +0200
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children 7f8f6fe13fa9
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50760
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1 //! Code for parsing default Mercurial config items.
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2 use itertools::Itertools;
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3 use serde::Deserialize;
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4
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5 use crate::{errors::HgError, exit_codes, FastHashMap};
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6
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7 /// Corresponds to the structure of `mercurial/configitems.toml`.
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8 #[derive(Debug, Deserialize)]
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9 pub struct ConfigItems {
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10 items: Vec<DefaultConfigItem>,
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11 templates: FastHashMap<String, Vec<TemplateItem>>,
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12 #[serde(rename = "template-applications")]
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13 template_applications: Vec<TemplateApplication>,
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14 }
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15
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16 /// Corresponds to a config item declaration in `mercurial/configitems.toml`.
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17 #[derive(Clone, Debug, PartialEq, Deserialize)]
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18 #[serde(try_from = "RawDefaultConfigItem")]
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19 pub struct DefaultConfigItem {
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20 /// Section of the config the item is in (e.g. `[merge-tools]`)
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21 section: String,
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22 /// Name of the item (e.g. `meld.gui`)
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23 name: String,
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24 /// Default value (can be dynamic, see [`DefaultConfigItemType`])
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25 default: Option<DefaultConfigItemType>,
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26 /// If the config option is generic (e.g. `merge-tools.*`), defines
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27 /// the priority of this item relative to other generic items.
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28 /// If we're looking for <pattern>, then all generic items within the same
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29 /// section will be sorted by order of priority, and the first regex match
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30 /// against `name` is returned.
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31 #[serde(default)]
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32 priority: Option<isize>,
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33 /// Aliases, if any. Each alias is a tuple of `(section, name)` for each
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34 /// option that is aliased to this one.
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35 #[serde(default)]
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36 alias: Vec<(String, String)>,
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37 /// Whether the config item is marked as experimental
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38 #[serde(default)]
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39 experimental: bool,
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40 /// The (possibly empty) docstring for the item
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41 #[serde(default)]
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42 documentation: String,
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43 }
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44
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45 /// Corresponds to the raw (i.e. on disk) structure of config items. Used as
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46 /// an intermediate step in deserialization.
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47 #[derive(Clone, Debug, Deserialize)]
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48 struct RawDefaultConfigItem {
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49 section: String,
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50 name: String,
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51 default: Option<toml::Value>,
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52 #[serde(rename = "default-type")]
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53 default_type: Option<String>,
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54 #[serde(default)]
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55 priority: isize,
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56 #[serde(default)]
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57 generic: bool,
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58 #[serde(default)]
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59 alias: Vec<(String, String)>,
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60 #[serde(default)]
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61 experimental: bool,
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62 #[serde(default)]
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63 documentation: String,
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64 }
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65
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66 impl TryFrom<RawDefaultConfigItem> for DefaultConfigItem {
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67 type Error = HgError;
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68
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69 fn try_from(value: RawDefaultConfigItem) -> Result<Self, Self::Error> {
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70 Ok(Self {
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71 section: value.section,
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72 name: value.name,
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73 default: raw_default_to_concrete(
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74 value.default_type,
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75 value.default,
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76 )?,
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77 priority: if value.generic {
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78 Some(value.priority)
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79 } else {
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80 None
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81 },
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82 alias: value.alias,
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83 experimental: value.experimental,
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84 documentation: value.documentation,
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85 })
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86 }
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87 }
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88
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89 impl DefaultConfigItem {
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90 fn is_generic(&self) -> bool {
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91 self.priority.is_some()
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92 }
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93 }
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94
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95 impl<'a> TryFrom<&'a DefaultConfigItem> for Option<&'a str> {
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96 type Error = HgError;
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97
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98 fn try_from(
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99 value: &'a DefaultConfigItem,
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100 ) -> Result<Option<&'a str>, Self::Error> {
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101 match &value.default {
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102 Some(default) => {
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103 let err = HgError::abort(
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104 format!(
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105 "programming error: wrong query on config item '{}.{}'",
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106 value.section,
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107 value.name
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108 ),
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109 exit_codes::ABORT,
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110 Some(format!(
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111 "asked for '&str', type of default is '{}'",
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112 default.type_str()
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113 )),
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114 );
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115 match default {
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116 DefaultConfigItemType::Primitive(toml::Value::String(
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117 s,
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118 )) => Ok(Some(s)),
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119 _ => Err(err),
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120 }
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121 }
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122 None => Ok(None),
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123 }
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124 }
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125 }
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126
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127 impl TryFrom<&DefaultConfigItem> for Option<bool> {
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128 type Error = HgError;
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129
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130 fn try_from(value: &DefaultConfigItem) -> Result<Self, Self::Error> {
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131 match &value.default {
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132 Some(default) => {
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133 let err = HgError::abort(
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134 format!(
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135 "programming error: wrong query on config item '{}.{}'",
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136 value.section,
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137 value.name
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138 ),
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139 exit_codes::ABORT,
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140 Some(format!(
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141 "asked for 'bool', type of default is '{}'",
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142 default.type_str()
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143 )),
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144 );
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145 match default {
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146 DefaultConfigItemType::Primitive(
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147 toml::Value::Boolean(b),
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148 ) => Ok(Some(*b)),
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149 _ => Err(err),
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150 }
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151 }
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152 None => Ok(Some(false)),
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153 }
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154 }
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155 }
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156
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157 impl TryFrom<&DefaultConfigItem> for Option<u32> {
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158 type Error = HgError;
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159
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160 fn try_from(value: &DefaultConfigItem) -> Result<Self, Self::Error> {
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161 match &value.default {
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162 Some(default) => {
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163 let err = HgError::abort(
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164 format!(
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165 "programming error: wrong query on config item '{}.{}'",
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166 value.section,
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167 value.name
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168 ),
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169 exit_codes::ABORT,
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170 Some(format!(
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171 "asked for 'u32', type of default is '{}'",
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172 default.type_str()
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173 )),
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174 );
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175 match default {
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176 DefaultConfigItemType::Primitive(
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177 toml::Value::Integer(b),
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178 ) => {
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179 Ok(Some((*b).try_into().expect("TOML integer to u32")))
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180 }
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181 _ => Err(err),
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182 }
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183 }
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184 None => Ok(None),
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185 }
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186 }
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187 }
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188
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189 impl TryFrom<&DefaultConfigItem> for Option<u64> {
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190 type Error = HgError;
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191
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192 fn try_from(value: &DefaultConfigItem) -> Result<Self, Self::Error> {
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193 match &value.default {
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194 Some(default) => {
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195 let err = HgError::abort(
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196 format!(
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197 "programming error: wrong query on config item '{}.{}'",
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198 value.section,
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199 value.name
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200 ),
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201 exit_codes::ABORT,
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202 Some(format!(
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203 "asked for 'u64', type of default is '{}'",
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204 default.type_str()
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205 )),
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206 );
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207 match default {
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208 DefaultConfigItemType::Primitive(
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209 toml::Value::Integer(b),
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210 ) => {
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211 Ok(Some((*b).try_into().expect("TOML integer to u64")))
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212 }
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213 _ => Err(err),
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214 }
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215 }
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216 None => Ok(None),
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217 }
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218 }
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219 }
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220
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221 /// Allows abstracting over more complex default values than just primitives.
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222 /// The former `configitems.py` contained some dynamic code that is encoded
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223 /// in this enum.
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224 #[derive(Debug, PartialEq, Clone, Deserialize)]
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225 pub enum DefaultConfigItemType {
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226 /// Some primitive type (string, integer, boolean)
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227 Primitive(toml::Value),
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228 /// A dynamic value that will be given by the code at runtime
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229 Dynamic,
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230 /// An lazily-returned array (possibly only relevant in the Python impl)
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231 /// Example: `lambda: [b"zstd", b"zlib"]`
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232 Lambda(Vec<String>),
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233 /// For now, a special case for `web.encoding` that points to the
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234 /// `encoding.encoding` module in the Python impl so that local encoding
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235 /// is correctly resolved at runtime
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236 LazyModule(String),
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237 ListType,
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238 }
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239
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240 impl DefaultConfigItemType {
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241 pub fn type_str(&self) -> &str {
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242 match self {
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243 DefaultConfigItemType::Primitive(primitive) => {
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244 primitive.type_str()
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245 }
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246 DefaultConfigItemType::Dynamic => "dynamic",
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247 DefaultConfigItemType::Lambda(_) => "lambda",
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248 DefaultConfigItemType::LazyModule(_) => "lazy_module",
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249 DefaultConfigItemType::ListType => "list_type",
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250 }
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251 }
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252 }
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253
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254 /// Most of the fields are shared with [`DefaultConfigItem`].
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255 #[derive(Debug, Clone, Deserialize)]
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256 #[serde(try_from = "RawTemplateItem")]
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257 struct TemplateItem {
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258 suffix: String,
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259 default: Option<DefaultConfigItemType>,
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260 priority: Option<isize>,
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261 #[serde(default)]
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262 alias: Vec<(String, String)>,
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263 #[serde(default)]
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264 experimental: bool,
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265 #[serde(default)]
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266 documentation: String,
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267 }
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268
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269 /// Corresponds to the raw (i.e. on disk) representation of a template item.
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270 /// Used as an intermediate step in deserialization.
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271 #[derive(Clone, Debug, Deserialize)]
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272 struct RawTemplateItem {
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273 suffix: String,
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274 default: Option<toml::Value>,
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275 #[serde(rename = "default-type")]
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276 default_type: Option<String>,
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277 #[serde(default)]
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278 priority: isize,
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279 #[serde(default)]
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280 generic: bool,
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281 #[serde(default)]
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282 alias: Vec<(String, String)>,
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283 #[serde(default)]
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284 experimental: bool,
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285 #[serde(default)]
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286 documentation: String,
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287 }
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288
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289 impl TemplateItem {
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290 fn into_default_item(
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291 self,
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292 application: TemplateApplication,
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293 ) -> DefaultConfigItem {
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294 DefaultConfigItem {
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295 section: application.section,
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296 name: application
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297 .prefix
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298 .map(|prefix| format!("{}.{}", prefix, self.suffix))
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299 .unwrap_or(self.suffix),
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300 default: self.default,
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301 priority: self.priority,
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302 alias: self.alias,
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303 experimental: self.experimental,
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304 documentation: self.documentation,
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305 }
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306 }
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307 }
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308
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309 impl TryFrom<RawTemplateItem> for TemplateItem {
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310 type Error = HgError;
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311
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312 fn try_from(value: RawTemplateItem) -> Result<Self, Self::Error> {
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313 Ok(Self {
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314 suffix: value.suffix,
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315 default: raw_default_to_concrete(
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316 value.default_type,
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317 value.default,
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318 )?,
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319 priority: if value.generic {
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320 Some(value.priority)
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321 } else {
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322 None
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323 },
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324 alias: value.alias,
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325 experimental: value.experimental,
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326 documentation: value.documentation,
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327 })
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328 }
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329 }
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330
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331 /// Transforms the on-disk string-based representation of complex default types
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332 /// to the concrete [`DefaultconfigItemType`].
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333 fn raw_default_to_concrete(
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334 default_type: Option<String>,
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335 default: Option<toml::Value>,
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336 ) -> Result<Option<DefaultConfigItemType>, HgError> {
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337 Ok(match default_type.as_deref() {
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338 None => default.as_ref().map(|default| {
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339 DefaultConfigItemType::Primitive(default.to_owned())
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340 }),
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341 Some("dynamic") => Some(DefaultConfigItemType::Dynamic),
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342 Some("list_type") => Some(DefaultConfigItemType::ListType),
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343 Some("lambda") => match &default {
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344 Some(default) => Some(DefaultConfigItemType::Lambda(
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345 default.to_owned().try_into().map_err(|e| {
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346 HgError::abort(
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347 e.to_string(),
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348 exit_codes::ABORT,
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349 Some("Check 'mercurial/configitems.toml'".into()),
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350 )
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351 })?,
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352 )),
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353 None => {
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354 return Err(HgError::abort(
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355 "lambda defined with no return value".to_string(),
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356 exit_codes::ABORT,
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357 Some("Check 'mercurial/configitems.toml'".into()),
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358 ))
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359 }
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360 },
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361 Some("lazy_module") => match &default {
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362 Some(default) => {
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363 Some(DefaultConfigItemType::LazyModule(match default {
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364 toml::Value::String(module) => module.to_owned(),
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365 _ => {
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366 return Err(HgError::abort(
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367 "lazy_module module name should be a string"
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368 .to_string(),
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369 exit_codes::ABORT,
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370 Some("Check 'mercurial/configitems.toml'".into()),
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371 ))
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372 }
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373 }))
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374 }
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375 None => {
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376 return Err(HgError::abort(
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377 "lazy_module should have a default value".to_string(),
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378 exit_codes::ABORT,
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379 Some("Check 'mercurial/configitems.toml'".into()),
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380 ))
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381 }
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382 },
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383 Some(invalid) => {
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384 return Err(HgError::abort(
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385 format!("invalid default_type '{}'", invalid),
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386 exit_codes::ABORT,
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387 Some("Check 'mercurial/configitems.toml'".into()),
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388 ))
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389 }
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390 })
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391 }
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392
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393 #[derive(Debug, Clone, Deserialize)]
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394 struct TemplateApplication {
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395 template: String,
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396 section: String,
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397 #[serde(default)]
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398 prefix: Option<String>,
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399 }
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400
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401 /// Represents the (dynamic) set of default core Mercurial config items from
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402 /// `mercurial/configitems.toml`.
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403 #[derive(Clone, Debug, Default)]
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404 pub struct DefaultConfig {
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405 /// Mapping of section -> (mapping of name -> item)
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406 items: FastHashMap<String, FastHashMap<String, DefaultConfigItem>>,
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407 }
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408
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409 impl DefaultConfig {
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410 pub fn empty() -> DefaultConfig {
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411 Self {
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412 items: Default::default(),
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parents:
diff changeset
413 }
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
414 }
f8412da86d05 rust-config: add support for default config items
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diff changeset
415
f8412da86d05 rust-config: add support for default config items
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416 /// Returns `Self`, given the contents of `mercurial/configitems.toml`
f8412da86d05 rust-config: add support for default config items
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417 #[logging_timer::time("trace")]
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418 pub fn from_contents(contents: &str) -> Result<Self, HgError> {
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419 let mut from_file: ConfigItems =
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420 toml::from_str(contents).map_err(|e| {
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diff changeset
421 HgError::abort(
f8412da86d05 rust-config: add support for default config items
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diff changeset
422 e.to_string(),
f8412da86d05 rust-config: add support for default config items
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diff changeset
423 exit_codes::ABORT,
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diff changeset
424 Some("Check 'mercurial/configitems.toml'".into()),
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425 )
f8412da86d05 rust-config: add support for default config items
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426 })?;
f8412da86d05 rust-config: add support for default config items
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diff changeset
427
f8412da86d05 rust-config: add support for default config items
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428 let mut flat_items = from_file.items;
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429
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430 for application in from_file.template_applications.drain(..) {
f8412da86d05 rust-config: add support for default config items
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431 match from_file.templates.get(&application.template) {
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432 None => return Err(
f8412da86d05 rust-config: add support for default config items
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433 HgError::abort(
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diff changeset
434 format!(
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435 "template application refers to undefined template '{}'",
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diff changeset
436 application.template
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437 ),
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438 exit_codes::ABORT,
f8412da86d05 rust-config: add support for default config items
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439 Some("Check 'mercurial/configitems.toml'".into())
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440 )
f8412da86d05 rust-config: add support for default config items
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diff changeset
441 ),
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442 Some(template_items) => {
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443 for template_item in template_items {
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444 flat_items.push(
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445 template_item
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446 .clone()
f8412da86d05 rust-config: add support for default config items
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447 .into_default_item(application.clone()),
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448 )
f8412da86d05 rust-config: add support for default config items
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449 }
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450 }
f8412da86d05 rust-config: add support for default config items
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451 };
f8412da86d05 rust-config: add support for default config items
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parents:
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452 }
f8412da86d05 rust-config: add support for default config items
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diff changeset
453
f8412da86d05 rust-config: add support for default config items
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454 let items = flat_items.into_iter().fold(
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455 FastHashMap::default(),
f8412da86d05 rust-config: add support for default config items
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456 |mut acc, item| {
f8412da86d05 rust-config: add support for default config items
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457 acc.entry(item.section.to_owned())
f8412da86d05 rust-config: add support for default config items
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diff changeset
458 .or_insert_with(|| {
f8412da86d05 rust-config: add support for default config items
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459 let mut section = FastHashMap::default();
f8412da86d05 rust-config: add support for default config items
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diff changeset
460 section.insert(item.name.to_owned(), item.to_owned());
f8412da86d05 rust-config: add support for default config items
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diff changeset
461 section
f8412da86d05 rust-config: add support for default config items
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462 })
f8412da86d05 rust-config: add support for default config items
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463 .insert(item.name.to_owned(), item);
f8412da86d05 rust-config: add support for default config items
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diff changeset
464 acc
f8412da86d05 rust-config: add support for default config items
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465 },
f8412da86d05 rust-config: add support for default config items
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diff changeset
466 );
f8412da86d05 rust-config: add support for default config items
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diff changeset
467
f8412da86d05 rust-config: add support for default config items
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diff changeset
468 Ok(Self { items })
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
469 }
f8412da86d05 rust-config: add support for default config items
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diff changeset
470
f8412da86d05 rust-config: add support for default config items
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471 /// Return the default config item that matches `section` and `item`.
f8412da86d05 rust-config: add support for default config items
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472 pub fn get(
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473 &self,
f8412da86d05 rust-config: add support for default config items
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diff changeset
474 section: &[u8],
f8412da86d05 rust-config: add support for default config items
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diff changeset
475 item: &[u8],
f8412da86d05 rust-config: add support for default config items
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diff changeset
476 ) -> Option<&DefaultConfigItem> {
f8412da86d05 rust-config: add support for default config items
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diff changeset
477 // Core items must be valid UTF-8
f8412da86d05 rust-config: add support for default config items
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diff changeset
478 let section = String::from_utf8_lossy(section);
f8412da86d05 rust-config: add support for default config items
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479 let section_map = self.items.get(section.as_ref())?;
f8412da86d05 rust-config: add support for default config items
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480 let item_name_lossy = String::from_utf8_lossy(item);
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diff changeset
481 match section_map.get(item_name_lossy.as_ref()) {
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diff changeset
482 Some(item) => Some(item),
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diff changeset
483 None => {
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diff changeset
484 for generic_item in section_map
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Rapha?l Gom?s <rgomes@octobus.net>
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diff changeset
485 .values()
f8412da86d05 rust-config: add support for default config items
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diff changeset
486 .filter(|item| item.is_generic())
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parents:
diff changeset
487 .sorted_by_key(|item| match item.priority {
f8412da86d05 rust-config: add support for default config items
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diff changeset
488 Some(priority) => (priority, &item.name),
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diff changeset
489 _ => unreachable!(),
f8412da86d05 rust-config: add support for default config items
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diff changeset
490 })
f8412da86d05 rust-config: add support for default config items
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diff changeset
491 {
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
492 if regex::bytes::Regex::new(&generic_item.name)
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diff changeset
493 .expect("invalid regex in configitems")
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
494 .is_match(item)
f8412da86d05 rust-config: add support for default config items
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diff changeset
495 {
f8412da86d05 rust-config: add support for default config items
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diff changeset
496 return Some(generic_item);
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
497 }
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
498 }
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
499 None
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
500 }
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
501 }
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
502 }
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
503 }
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
504
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
505 #[cfg(test)]
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diff changeset
506 mod tests {
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diff changeset
507 use crate::config::config_items::{
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
508 DefaultConfigItem, DefaultConfigItemType,
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
509 };
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
510
f8412da86d05 rust-config: add support for default config items
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diff changeset
511 use super::DefaultConfig;
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
512
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
513 #[test]
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diff changeset
514 fn test_config_read() {
f8412da86d05 rust-config: add support for default config items
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diff changeset
515 let contents = r#"
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parents:
diff changeset
516 [[items]]
f8412da86d05 rust-config: add support for default config items
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diff changeset
517 section = "alias"
f8412da86d05 rust-config: add support for default config items
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diff changeset
518 name = "abcd.*"
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
519 default = 3
f8412da86d05 rust-config: add support for default config items
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diff changeset
520 generic = true
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
521 priority = -1
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
522
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
523 [[items]]
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
524 section = "alias"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
525 name = ".*"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
526 default-type = "dynamic"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
527 generic = true
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
528
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
529 [[items]]
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
530 section = "cmdserver"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
531 name = "track-log"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
532 default-type = "lambda"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
533 default = [ "chgserver", "cmdserver", "repocache",]
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
534
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
535 [[items]]
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
536 section = "chgserver"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
537 name = "idletimeout"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
538 default = 3600
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
539
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
540 [[items]]
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
541 section = "cmdserver"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
542 name = "message-encodings"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
543 default-type = "list_type"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
544
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
545 [[items]]
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
546 section = "web"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
547 name = "encoding"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
548 default-type = "lazy_module"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
549 default = "encoding.encoding"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
550
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
551 [[items]]
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
552 section = "command-templates"
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
553 name = "graphnode"
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554 alias = [["ui", "graphnodetemplate"]]
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555 documentation = """This is a docstring.
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556 This is another line \
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557 but this is not."""
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558
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559 [[items]]
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560 section = "censor"
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561 name = "policy"
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562 default = "abort"
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563 experimental = true
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564
f8412da86d05 rust-config: add support for default config items
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565 [[template-applications]]
f8412da86d05 rust-config: add support for default config items
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566 template = "diff-options"
f8412da86d05 rust-config: add support for default config items
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567 section = "commands"
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568 prefix = "revert.interactive"
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569
f8412da86d05 rust-config: add support for default config items
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570 [[template-applications]]
f8412da86d05 rust-config: add support for default config items
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571 template = "diff-options"
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572 section = "diff"
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573
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574 [templates]
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575 [[templates.diff-options]]
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576 suffix = "nodates"
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577 default = false
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578
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579 [[templates.diff-options]]
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580 suffix = "showfunc"
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diff changeset
581 default = false
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diff changeset
582
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diff changeset
583 [[templates.diff-options]]
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parents:
diff changeset
584 suffix = "unified"
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585 "#;
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586 let res = DefaultConfig::from_contents(contents);
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587 let config = match res {
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588 Ok(config) => config,
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589 Err(e) => panic!("{}", e),
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590 };
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591 let expected = DefaultConfigItem {
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592 section: "censor".into(),
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593 name: "policy".into(),
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594 default: Some(DefaultConfigItemType::Primitive("abort".into())),
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595 priority: None,
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parents:
diff changeset
596 alias: vec![],
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diff changeset
597 experimental: true,
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diff changeset
598 documentation: "".into(),
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diff changeset
599 };
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600 assert_eq!(config.get(b"censor", b"policy"), Some(&expected));
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diff changeset
601
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diff changeset
602 // Test generic priority. The `.*` pattern is wider than `abcd.*`, but
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parents:
diff changeset
603 // `abcd.*` has priority, so it should match first.
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diff changeset
604 let expected = DefaultConfigItem {
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605 section: "alias".into(),
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diff changeset
606 name: "abcd.*".into(),
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607 default: Some(DefaultConfigItemType::Primitive(3.into())),
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608 priority: Some(-1),
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diff changeset
609 alias: vec![],
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parents:
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610 experimental: false,
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diff changeset
611 documentation: "".into(),
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612 };
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613 assert_eq!(config.get(b"alias", b"abcdsomething"), Some(&expected));
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614
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615 //... but if it doesn't, we should fallback to `.*`
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616 let expected = DefaultConfigItem {
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617 section: "alias".into(),
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618 name: ".*".into(),
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619 default: Some(DefaultConfigItemType::Dynamic),
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620 priority: Some(0),
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diff changeset
621 alias: vec![],
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622 experimental: false,
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diff changeset
623 documentation: "".into(),
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624 };
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625 assert_eq!(config.get(b"alias", b"something"), Some(&expected));
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626
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627 let expected = DefaultConfigItem {
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628 section: "chgserver".into(),
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629 name: "idletimeout".into(),
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630 default: Some(DefaultConfigItemType::Primitive(3600.into())),
f8412da86d05 rust-config: add support for default config items
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diff changeset
631 priority: None,
f8412da86d05 rust-config: add support for default config items
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diff changeset
632 alias: vec![],
f8412da86d05 rust-config: add support for default config items
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diff changeset
633 experimental: false,
f8412da86d05 rust-config: add support for default config items
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diff changeset
634 documentation: "".into(),
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diff changeset
635 };
f8412da86d05 rust-config: add support for default config items
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diff changeset
636 assert_eq!(config.get(b"chgserver", b"idletimeout"), Some(&expected));
f8412da86d05 rust-config: add support for default config items
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diff changeset
637
f8412da86d05 rust-config: add support for default config items
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diff changeset
638 let expected = DefaultConfigItem {
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
639 section: "cmdserver".into(),
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
640 name: "track-log".into(),
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diff changeset
641 default: Some(DefaultConfigItemType::Lambda(vec![
f8412da86d05 rust-config: add support for default config items
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diff changeset
642 "chgserver".into(),
f8412da86d05 rust-config: add support for default config items
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diff changeset
643 "cmdserver".into(),
f8412da86d05 rust-config: add support for default config items
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diff changeset
644 "repocache".into(),
f8412da86d05 rust-config: add support for default config items
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diff changeset
645 ])),
f8412da86d05 rust-config: add support for default config items
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diff changeset
646 priority: None,
f8412da86d05 rust-config: add support for default config items
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diff changeset
647 alias: vec![],
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diff changeset
648 experimental: false,
f8412da86d05 rust-config: add support for default config items
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diff changeset
649 documentation: "".into(),
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
650 };
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
651 assert_eq!(config.get(b"cmdserver", b"track-log"), Some(&expected));
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
652
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
653 let expected = DefaultConfigItem {
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parents:
diff changeset
654 section: "command-templates".into(),
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
655 name: "graphnode".into(),
f8412da86d05 rust-config: add support for default config items
Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
656 default: None,
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
657 priority: None,
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
658 alias: vec![("ui".into(), "graphnodetemplate".into())],
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Rapha?l Gom?s <rgomes@octobus.net>
parents:
diff changeset
659 experimental: false,
f8412da86d05 rust-config: add support for default config items
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diff changeset
660 documentation:
f8412da86d05 rust-config: add support for default config items
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diff changeset
661 "This is a docstring.\nThis is another line but this is not."
f8412da86d05 rust-config: add support for default config items
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diff changeset
662 .into(),
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
663 };
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
664 assert_eq!(
f8412da86d05 rust-config: add support for default config items
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diff changeset
665 config.get(b"command-templates", b"graphnode"),
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parents:
diff changeset
666 Some(&expected)
f8412da86d05 rust-config: add support for default config items
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diff changeset
667 );
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
668 }
f8412da86d05 rust-config: add support for default config items
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parents:
diff changeset
669 }