Mercurial > hg
annotate hgext/fix.py @ 51863:f4733654f144
typing: add `from __future__ import annotations` to most files
Now that py36 is no longer supported, we can postpone annotation evaluation.
This means that the quoting is usually optional (for things imported under the
guard of `if typing.TYPE_CHECKING:` to avoid circular imports), and there's less
overhead on startup[1].
There may be some missing here. I backed out 6000f5b25c9b (which removed the
`from __future__ import ...` that was supporting py2), reverted the changes in
`contrib/`, `doc/`, and `tests/`, and then ran:
$ hg status -n --change . | \
xargs sed -i -e 's/from __future__ import .*$/from __future__ import annotations/'
There were some minor tweaks needed when reviewing (mostly making the spacing
around the import consistent, and `mercurial/testing/__init__.py` had a
multiline import that wasn't fully rewritten.
[1] https://docs.python.org/3/whatsnew/3.7.html#pep-563-postponed-evaluation-of-annotations
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Mon, 16 Sep 2024 15:36:44 +0200 |
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1 # fix - rewrite file content in changesets and working copy |
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2 # |
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3 # Copyright 2018 Google LLC. |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 """rewrite file content in changesets or working copy (EXPERIMENTAL) |
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8 |
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9 Provides a command that runs configured tools on the contents of modified files, |
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10 writing back any fixes to the working copy or replacing changesets. |
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11 |
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12 Fixer tools are run in the repository's root directory. This allows them to read |
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13 configuration files from the working copy, or even write to the working copy. |
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14 The working copy is not updated to match the revision being fixed. In fact, |
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15 several revisions may be fixed in parallel. Writes to the working copy are not |
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16 amended into the revision being fixed; fixer tools MUST always read content to |
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17 be fixed from stdin, and write fixed file content back to stdout. |
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18 |
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19 Here is an example configuration that causes :hg:`fix` to apply automatic |
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20 formatting fixes to modified lines in C++ code:: |
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21 |
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22 [fix] |
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23 clang-format:command=clang-format --assume-filename={rootpath} |
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24 clang-format:linerange=--lines={first}:{last} |
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25 clang-format:pattern=set:**.cpp or **.hpp |
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26 |
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27 The :command suboption forms the first part of the shell command that will be |
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28 used to fix a file. The content of the file is passed on standard input, and the |
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29 fixed file content is expected on standard output. Any output on standard error |
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30 will be displayed as a warning. If the exit status is not zero, the file will |
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31 not be affected. A placeholder warning is displayed if there is a non-zero exit |
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32 status but no standard error output. Some values may be substituted into the |
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33 command:: |
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34 |
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35 {rootpath} The path of the file being fixed, relative to the repo root |
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36 {basename} The name of the file being fixed, without the directory path |
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37 |
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38 If the :linerange suboption is set, the tool will only be run if there are |
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39 changed lines in a file. The value of this suboption is appended to the shell |
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40 command once for every range of changed lines in the file. Some values may be |
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41 substituted into the command:: |
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42 |
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43 {first} The 1-based line number of the first line in the modified range |
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44 {last} The 1-based line number of the last line in the modified range |
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46 Deleted sections of a file will be ignored by :linerange, because there is no |
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47 corresponding line range in the version being fixed. |
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48 |
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49 By default, tools that set :linerange will only be executed if there is at least |
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50 one changed line range. This is meant to prevent accidents like running a code |
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51 formatter in such a way that it unexpectedly reformats the whole file. If such a |
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52 tool needs to operate on unchanged files, it should set the :skipclean suboption |
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53 to false. |
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54 |
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55 The :pattern suboption determines which files will be passed through each |
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56 configured tool. See :hg:`help patterns` for possible values. However, all |
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57 patterns are relative to the repo root, even if that text says they are relative |
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58 to the current working directory. If there are file arguments to :hg:`fix`, the |
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59 intersection of these patterns is used. |
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60 |
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61 There is also a configurable limit for the maximum size of file that will be |
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62 processed by :hg:`fix`:: |
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63 |
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64 [fix] |
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65 maxfilesize = 2MB |
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66 |
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67 Normally, execution of configured tools will continue after a failure (indicated |
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68 by a non-zero exit status). It can also be configured to abort after the first |
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69 such failure, so that no files will be affected if any tool fails. This abort |
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70 will also cause :hg:`fix` to exit with a non-zero status:: |
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71 |
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72 [fix] |
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73 failure = abort |
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74 |
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75 When multiple tools are configured to affect a file, they execute in an order |
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76 defined by the :priority suboption. The priority suboption has a default value |
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77 of zero for each tool. Tools are executed in order of descending priority. The |
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78 execution order of tools with equal priority is unspecified. For example, you |
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79 could use the 'sort' and 'head' utilities to keep only the 10 smallest numbers |
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80 in a text file by ensuring that 'sort' runs before 'head':: |
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81 |
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82 [fix] |
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83 sort:command = sort -n |
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84 head:command = head -n 10 |
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85 sort:pattern = numbers.txt |
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86 head:pattern = numbers.txt |
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87 sort:priority = 2 |
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88 head:priority = 1 |
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89 |
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90 To account for changes made by each tool, the line numbers used for incremental |
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91 formatting are recomputed before executing the next tool. So, each tool may see |
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92 different values for the arguments added by the :linerange suboption. |
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93 |
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94 Each fixer tool is allowed to return some metadata in addition to the fixed file |
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95 content. The metadata must be placed before the file content on stdout, |
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96 separated from the file content by a zero byte. The metadata is parsed as a JSON |
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97 value (so, it should be UTF-8 encoded and contain no zero bytes). A fixer tool |
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98 is expected to produce this metadata encoding if and only if the :metadata |
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99 suboption is true:: |
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100 |
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101 [fix] |
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102 tool:command = tool --prepend-json-metadata |
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103 tool:metadata = true |
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104 |
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105 The metadata values are passed to hooks, which can be used to print summaries or |
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106 perform other post-fixing work. The supported hooks are:: |
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107 |
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108 "postfixfile" |
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109 Run once for each file in each revision where any fixer tools made changes |
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110 to the file content. Provides "$HG_REV" and "$HG_PATH" to identify the file, |
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111 and "$HG_METADATA" with a map of fixer names to metadata values from fixer |
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112 tools that affected the file. Fixer tools that didn't affect the file have a |
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113 value of None. Only fixer tools that executed are present in the metadata. |
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114 |
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115 "postfix" |
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116 Run once after all files and revisions have been handled. Provides |
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117 "$HG_REPLACEMENTS" with information about what revisions were created and |
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118 made obsolete. Provides a boolean "$HG_WDIRWRITTEN" to indicate whether any |
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119 files in the working copy were updated. Provides a list "$HG_METADATA" |
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120 mapping fixer tool names to lists of metadata values returned from |
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121 executions that modified a file. This aggregates the same metadata |
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122 previously passed to the "postfixfile" hook. |
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123 """ |
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124 |
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125 from __future__ import annotations |
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126 |
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127 import collections |
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128 import itertools |
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129 import os |
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130 import re |
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131 import subprocess |
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132 |
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133 from mercurial.i18n import _ |
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135 nullid, |
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137 wdirrev, | |
138 ) | |
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139 |
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140 from mercurial.utils import procutil |
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141 |
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142 from mercurial import ( |
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143 cmdutil, |
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144 context, |
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145 copies, |
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146 error, |
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147 logcmdutil, |
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148 match as matchmod, |
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149 mdiff, |
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150 merge, |
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151 mergestate as mergestatemod, |
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152 pycompat, |
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153 registrar, |
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154 rewriteutil, |
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155 scmutil, |
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156 util, |
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157 worker, |
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158 ) |
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159 |
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160 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
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161 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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162 # be specifying the version(s) of Mercurial they are tested with, or |
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163 # leave the attribute unspecified. |
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164 testedwith = b'ships-with-hg-core' |
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165 |
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166 cmdtable = {} |
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167 command = registrar.command(cmdtable) |
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168 |
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169 configtable = {} |
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170 configitem = registrar.configitem(configtable) |
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171 |
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172 # Register the suboptions allowed for each configured fixer, and default values. |
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173 FIXER_ATTRS = { |
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174 b'command': None, |
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175 b'linerange': None, |
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176 b'pattern': None, |
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177 b'priority': 0, |
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178 b'metadata': False, |
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179 b'skipclean': True, |
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180 b'enabled': True, |
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181 } |
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182 |
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183 for key, default in FIXER_ATTRS.items(): |
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184 configitem(b'fix', b'.*:%s$' % key, default=default, generic=True) |
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185 |
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186 # A good default size allows most source code files to be fixed, but avoids |
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187 # letting fixer tools choke on huge inputs, which could be surprising to the |
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188 # user. |
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189 configitem(b'fix', b'maxfilesize', default=b'2MB') |
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190 |
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191 # Allow fix commands to exit non-zero if an executed fixer tool exits non-zero. |
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192 # This helps users do shell scripts that stop when a fixer tool signals a |
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193 # problem. |
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194 configitem(b'fix', b'failure', default=b'continue') |
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195 |
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196 |
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197 def checktoolfailureaction(ui, message, hint=None): |
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198 """Abort with 'message' if fix.failure=abort""" |
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199 action = ui.config(b'fix', b'failure') |
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200 if action not in (b'continue', b'abort'): |
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201 raise error.Abort( |
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202 _(b'unknown fix.failure action: %s') % (action,), |
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203 hint=_(b'use "continue" or "abort"'), |
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204 ) |
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205 if action == b'abort': |
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206 raise error.Abort(message, hint=hint) |
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207 |
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208 |
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209 allopt = (b'', b'all', False, _(b'fix all non-public non-obsolete revisions')) |
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210 baseopt = ( |
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211 b'', |
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212 b'base', |
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213 [], |
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214 _( |
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215 b'revisions to diff against (overrides automatic ' |
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216 b'selection, and applies to every revision being ' |
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217 b'fixed)' |
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218 ), |
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219 _(b'REV'), |
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220 ) |
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221 revopt = (b'r', b'rev', [], _(b'revisions to fix (ADVANCED)'), _(b'REV')) |
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222 sourceopt = ( |
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223 b's', |
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224 b'source', |
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225 [], |
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226 _(b'fix the specified revisions and their descendants'), |
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227 _(b'REV'), |
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228 ) |
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229 wdiropt = (b'w', b'working-dir', False, _(b'fix the working directory')) |
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230 wholeopt = (b'', b'whole', False, _(b'always fix every line of a file')) |
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231 usage = _(b'[OPTION]... [FILE]...') |
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232 |
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233 |
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234 @command( |
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235 b'fix', |
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236 [allopt, baseopt, revopt, sourceopt, wdiropt, wholeopt], |
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237 usage, |
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238 helpcategory=command.CATEGORY_FILE_CONTENTS, |
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239 ) |
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240 def fix(ui, repo, *pats, **opts): |
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241 """rewrite file content in changesets or working directory |
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242 |
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243 Runs any configured tools to fix the content of files. (See |
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244 :hg:`help -e fix` for details about configuring tools.) Only affects files |
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245 with changes, unless file arguments are provided. Only affects changed lines |
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246 of files, unless the --whole flag is used. Some tools may always affect the |
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247 whole file regardless of --whole. |
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248 |
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249 If --working-dir is used, files with uncommitted changes in the working copy |
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250 will be fixed. Note that no backup are made. |
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251 |
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252 If revisions are specified with --source, those revisions and their |
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253 descendants will be checked, and they may be replaced with new revisions |
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254 that have fixed file content. By automatically including the descendants, |
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255 no merging, rebasing, or evolution will be required. If an ancestor of the |
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256 working copy is included, then the working copy itself will also be fixed, |
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257 and the working copy will be updated to the fixed parent. |
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258 |
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259 When determining what lines of each file to fix at each revision, the whole |
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260 set of revisions being fixed is considered, so that fixes to earlier |
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261 revisions are not forgotten in later ones. The --base flag can be used to |
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262 override this default behavior, though it is not usually desirable to do so. |
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263 """ |
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264 opts = pycompat.byteskwargs(opts) |
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265 cmdutil.check_at_most_one_arg(opts, b'all', b'source', b'rev') |
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266 cmdutil.check_incompatible_arguments( |
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267 opts, b'working_dir', [b'all', b'source'] |
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268 ) |
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269 |
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270 with repo.wlock(), repo.lock(), repo.transaction(b'fix'): |
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271 revstofix = getrevstofix(ui, repo, opts) |
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272 basectxs = getbasectxs(repo, opts, revstofix) |
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273 workqueue, numitems = getworkqueue( |
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274 ui, repo, pats, opts, revstofix, basectxs |
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275 ) |
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276 basepaths = getbasepaths(repo, opts, workqueue, basectxs) |
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277 fixers = getfixers(ui) |
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278 |
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279 # Rather than letting each worker independently fetch the files |
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280 # (which also would add complications for shared/keepalive |
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281 # connections), prefetch them all first. |
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282 _prefetchfiles(repo, workqueue, basepaths) |
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283 |
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284 # There are no data dependencies between the workers fixing each file |
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285 # revision, so we can use all available parallelism. |
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286 def getfixes(items): |
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287 for srcrev, path, dstrevs in items: |
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288 ctx = repo[srcrev] |
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289 olddata = ctx[path].data() |
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290 metadata, newdata = fixfile( |
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291 ui, |
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292 repo, |
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293 opts, |
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294 fixers, |
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295 ctx, |
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296 path, |
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297 basepaths, |
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298 basectxs[srcrev], |
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299 ) |
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300 # We ungroup the work items now, because the code that consumes |
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301 # these results has to handle each dstrev separately, and in |
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302 # topological order. Because these are handled in topological |
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303 # order, it's important that we pass around references to |
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304 # "newdata" instead of copying it. Otherwise, we would be |
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305 # keeping more copies of file content in memory at a time than |
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306 # if we hadn't bothered to group/deduplicate the work items. |
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307 data = newdata if newdata != olddata else None |
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308 for dstrev in dstrevs: |
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309 yield (dstrev, path, metadata, data) |
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310 |
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311 results = worker.worker( |
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312 ui, 1.0, getfixes, tuple(), workqueue, threadsafe=False |
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313 ) |
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314 |
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315 # We have to hold on to the data for each successor revision in memory |
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316 # until all its parents are committed. We ensure this by committing and |
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317 # freeing memory for the revisions in some topological order. This |
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318 # leaves a little bit of memory efficiency on the table, but also makes |
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319 # the tests deterministic. It might also be considered a feature since |
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320 # it makes the results more easily reproducible. |
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321 filedata = collections.defaultdict(dict) |
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322 aggregatemetadata = collections.defaultdict(list) |
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323 replacements = {} |
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324 wdirwritten = False |
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325 commitorder = sorted(revstofix, reverse=True) |
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326 with ui.makeprogress( |
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327 topic=_(b'fixing'), unit=_(b'files'), total=sum(numitems.values()) |
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328 ) as progress: |
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329 for rev, path, filerevmetadata, newdata in results: |
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330 progress.increment(item=path) |
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331 for fixername, fixermetadata in filerevmetadata.items(): |
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332 aggregatemetadata[fixername].append(fixermetadata) |
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333 if newdata is not None: |
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334 filedata[rev][path] = newdata |
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335 hookargs = { |
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336 b'rev': rev, |
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337 b'path': path, |
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338 b'metadata': filerevmetadata, |
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339 } |
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340 repo.hook( |
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341 b'postfixfile', |
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342 throw=False, |
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343 **pycompat.strkwargs(hookargs), |
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344 ) |
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345 numitems[rev] -= 1 |
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346 # Apply the fixes for this and any other revisions that are |
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347 # ready and sitting at the front of the queue. Using a loop here |
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348 # prevents the queue from being blocked by the first revision to |
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349 # be ready out of order. |
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350 while commitorder and not numitems[commitorder[-1]]: |
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351 rev = commitorder.pop() |
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352 ctx = repo[rev] |
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353 if rev == wdirrev: |
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354 writeworkingdir(repo, ctx, filedata[rev], replacements) |
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355 wdirwritten = bool(filedata[rev]) |
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356 else: |
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357 replacerev(ui, repo, ctx, filedata[rev], replacements) |
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358 del filedata[rev] |
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359 |
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360 cleanup(repo, replacements, wdirwritten) |
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361 hookargs = { |
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362 b'replacements': replacements, |
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363 b'wdirwritten': wdirwritten, |
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364 b'metadata': aggregatemetadata, |
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365 } |
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366 repo.hook(b'postfix', throw=True, **pycompat.strkwargs(hookargs)) |
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367 |
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368 |
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369 def cleanup(repo, replacements, wdirwritten): |
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370 """Calls scmutil.cleanupnodes() with the given replacements. |
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371 |
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372 "replacements" is a dict from nodeid to nodeid, with one key and one value |
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373 for every revision that was affected by fixing. This is slightly different |
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374 from cleanupnodes(). |
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375 |
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376 "wdirwritten" is a bool which tells whether the working copy was affected by |
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377 fixing, since it has no entry in "replacements". |
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378 |
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379 Useful as a hook point for extending "hg fix" with output summarizing the |
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380 effects of the command, though we choose not to output anything here. |
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381 """ |
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382 replacements = {prec: [succ] for prec, succ in replacements.items()} |
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383 scmutil.cleanupnodes(repo, replacements, b'fix', fixphase=True) |
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384 |
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385 |
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386 def getworkqueue(ui, repo, pats, opts, revstofix, basectxs): |
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387 """Constructs a list of files to fix and which revisions each fix applies to |
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388 |
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389 To avoid duplicating work, there is usually only one work item for each file |
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390 revision that might need to be fixed. There can be multiple work items per |
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391 file revision if the same file needs to be fixed in multiple changesets with |
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392 different baserevs. Each work item also contains a list of changesets where |
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393 the file's data should be replaced with the fixed data. The work items for |
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394 earlier changesets come earlier in the work queue, to improve pipelining by |
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395 allowing the first changeset to be replaced while fixes are still being |
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396 computed for later changesets. |
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397 |
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398 Also returned is a map from changesets to the count of work items that might |
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399 affect each changeset. This is used later to count when all of a changeset's |
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400 work items have been finished, without having to inspect the remaining work |
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401 queue in each worker subprocess. |
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402 |
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403 The example work item (1, "foo/bar.txt", (1, 2, 3)) means that the data of |
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404 bar.txt should be read from revision 1, then fixed, and written back to |
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405 revisions 1, 2 and 3. Revision 1 is called the "srcrev" and the list of |
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406 revisions is called the "dstrevs". In practice the srcrev is always one of |
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407 the dstrevs, and we make that choice when constructing the work item so that |
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408 the choice can't be made inconsistently later on. The dstrevs should all |
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409 have the same file revision for the given path, so the choice of srcrev is |
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410 arbitrary. The wdirrev can be a dstrev and a srcrev. |
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411 """ |
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412 dstrevmap = collections.defaultdict(list) |
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413 numitems = collections.defaultdict(int) |
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414 maxfilesize = ui.configbytes(b'fix', b'maxfilesize') |
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415 for rev in sorted(revstofix): |
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416 fixctx = repo[rev] |
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417 match = scmutil.match(fixctx, pats, opts) |
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418 for path in sorted( |
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419 pathstofix(ui, repo, pats, opts, match, basectxs[rev], fixctx) |
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420 ): |
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421 fctx = fixctx[path] |
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422 if fctx.islink(): |
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423 continue |
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424 if fctx.size() > maxfilesize: |
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425 ui.warn( |
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426 _(b'ignoring file larger than %s: %s\n') |
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427 % (util.bytecount(maxfilesize), path) |
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428 ) |
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429 continue |
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430 baserevs = tuple(ctx.rev() for ctx in basectxs[rev]) |
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431 dstrevmap[(fctx.filerev(), baserevs, path)].append(rev) |
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432 numitems[rev] += 1 |
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433 workqueue = [ |
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434 (min(dstrevs), path, dstrevs) |
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435 for (_filerev, _baserevs, path), dstrevs in dstrevmap.items() |
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436 ] |
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437 # Move work items for earlier changesets to the front of the queue, so we |
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438 # might be able to replace those changesets (in topological order) while |
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439 # we're still processing later work items. Note the min() in the previous |
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440 # expression, which means we don't need a custom comparator here. The path |
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441 # is also important in the sort order to make the output order stable. There |
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442 # are some situations where this doesn't help much, but some situations |
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443 # where it lets us buffer O(1) files instead of O(n) files. |
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444 workqueue.sort() |
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445 return workqueue, numitems |
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446 |
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447 |
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448 def getrevstofix(ui, repo, opts): |
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449 """Returns the set of revision numbers that should be fixed""" |
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450 if opts[b'all']: |
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451 revs = repo.revs(b'(not public() and not obsolete()) or wdir()') |
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452 elif opts[b'source']: |
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453 source_revs = logcmdutil.revrange(repo, opts[b'source']) |
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454 revs = set(repo.revs(b'(%ld::) - obsolete()', source_revs)) |
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455 if wdirrev in source_revs: |
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456 # `wdir()::` is currently empty, so manually add wdir |
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457 revs.add(wdirrev) |
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458 if repo[b'.'].rev() in revs: |
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459 revs.add(wdirrev) |
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460 else: |
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461 revs = set(logcmdutil.revrange(repo, opts[b'rev'])) |
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462 if opts.get(b'working_dir'): |
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463 revs.add(wdirrev) |
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464 # Allow fixing only wdir() even if there's an unfinished operation |
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465 if not (len(revs) == 1 and wdirrev in revs): |
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466 cmdutil.checkunfinished(repo) |
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467 rewriteutil.precheck(repo, revs, b'fix') |
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468 if ( |
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469 wdirrev in revs |
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470 and mergestatemod.mergestate.read(repo).unresolvedcount() |
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471 ): |
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472 raise error.Abort(b'unresolved conflicts', hint=b"use 'hg resolve'") |
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473 if not revs: |
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474 raise error.Abort( |
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475 b'no changesets specified', hint=b'use --source or --working-dir' |
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476 ) |
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477 return revs |
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478 |
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479 |
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480 def pathstofix(ui, repo, pats, opts, match, basectxs, fixctx): |
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481 """Returns the set of files that should be fixed in a context |
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482 |
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483 The result depends on the base contexts; we include any file that has |
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484 changed relative to any of the base contexts. Base contexts should be |
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485 ancestors of the context being fixed. |
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486 """ |
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487 files = set() |
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488 for basectx in basectxs: |
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489 stat = basectx.status( |
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490 fixctx, match=match, listclean=bool(pats), listunknown=bool(pats) |
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491 ) |
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492 files.update( |
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493 set( |
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494 itertools.chain( |
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495 stat.added, stat.modified, stat.clean, stat.unknown |
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496 ) |
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497 ) |
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498 ) |
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499 return files |
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500 |
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501 |
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502 def lineranges(opts, path, basepaths, basectxs, fixctx, content2): |
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503 """Returns the set of line ranges that should be fixed in a file |
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504 |
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505 Of the form [(10, 20), (30, 40)]. |
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506 |
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507 This depends on the given base contexts; we must consider lines that have |
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508 changed versus any of the base contexts, and whether the file has been |
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509 renamed versus any of them. |
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510 |
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511 Another way to understand this is that we exclude line ranges that are |
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512 common to the file in all base contexts. |
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513 """ |
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514 if opts.get(b'whole'): |
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515 # Return a range containing all lines. Rely on the diff implementation's |
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516 # idea of how many lines are in the file, instead of reimplementing it. |
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517 return difflineranges(b'', content2) |
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518 |
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519 rangeslist = [] |
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520 for basectx in basectxs: |
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521 basepath = basepaths.get((basectx.rev(), fixctx.rev(), path), path) |
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522 |
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523 if basepath in basectx: |
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524 content1 = basectx[basepath].data() |
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525 else: |
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526 content1 = b'' |
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527 rangeslist.extend(difflineranges(content1, content2)) |
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528 return unionranges(rangeslist) |
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529 |
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530 |
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531 def getbasepaths(repo, opts, workqueue, basectxs): |
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532 if opts.get(b'whole'): |
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533 # Base paths will never be fetched for line range determination. |
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534 return {} |
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535 |
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536 basepaths = {} |
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537 for srcrev, path, _dstrevs in workqueue: |
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538 fixctx = repo[srcrev] |
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539 for basectx in basectxs[srcrev]: |
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540 basepath = copies.pathcopies(basectx, fixctx).get(path, path) |
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541 if basepath in basectx: |
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542 basepaths[(basectx.rev(), fixctx.rev(), path)] = basepath |
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543 return basepaths |
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544 |
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545 |
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546 def unionranges(rangeslist): |
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547 """Return the union of some closed intervals |
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548 |
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549 >>> unionranges([]) |
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550 [] |
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551 >>> unionranges([(1, 100)]) |
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552 [(1, 100)] |
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553 >>> unionranges([(1, 100), (1, 100)]) |
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554 [(1, 100)] |
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555 >>> unionranges([(1, 100), (2, 100)]) |
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556 [(1, 100)] |
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557 >>> unionranges([(1, 99), (1, 100)]) |
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558 [(1, 100)] |
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559 >>> unionranges([(1, 100), (40, 60)]) |
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560 [(1, 100)] |
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561 >>> unionranges([(1, 49), (50, 100)]) |
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562 [(1, 100)] |
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563 >>> unionranges([(1, 48), (50, 100)]) |
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564 [(1, 48), (50, 100)] |
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565 >>> unionranges([(1, 2), (3, 4), (5, 6)]) |
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566 [(1, 6)] |
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567 """ |
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568 rangeslist = sorted(set(rangeslist)) |
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569 unioned = [] |
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570 if rangeslist: |
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571 unioned, rangeslist = [rangeslist[0]], rangeslist[1:] |
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572 for a, b in rangeslist: |
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573 c, d = unioned[-1] |
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574 if a > d + 1: |
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575 unioned.append((a, b)) |
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576 else: |
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577 unioned[-1] = (c, max(b, d)) |
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578 return unioned |
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579 |
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580 |
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581 def difflineranges(content1, content2): |
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582 """Return list of line number ranges in content2 that differ from content1. |
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583 |
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584 Line numbers are 1-based. The numbers are the first and last line contained |
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585 in the range. Single-line ranges have the same line number for the first and |
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586 last line. Excludes any empty ranges that result from lines that are only |
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587 present in content1. Relies on mdiff's idea of where the line endings are in |
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588 the string. |
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589 |
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590 >>> from mercurial import pycompat |
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591 >>> lines = lambda s: b'\\n'.join([c for c in pycompat.iterbytestr(s)]) |
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592 >>> difflineranges2 = lambda a, b: difflineranges(lines(a), lines(b)) |
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593 >>> difflineranges2(b'', b'') |
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594 [] |
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595 >>> difflineranges2(b'a', b'') |
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596 [] |
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597 >>> difflineranges2(b'', b'A') |
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598 [(1, 1)] |
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599 >>> difflineranges2(b'a', b'a') |
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600 [] |
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601 >>> difflineranges2(b'a', b'A') |
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602 [(1, 1)] |
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603 >>> difflineranges2(b'ab', b'') |
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604 [] |
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605 >>> difflineranges2(b'', b'AB') |
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606 [(1, 2)] |
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607 >>> difflineranges2(b'abc', b'ac') |
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608 [] |
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609 >>> difflineranges2(b'ab', b'aCb') |
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610 [(2, 2)] |
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611 >>> difflineranges2(b'abc', b'aBc') |
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612 [(2, 2)] |
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613 >>> difflineranges2(b'ab', b'AB') |
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614 [(1, 2)] |
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615 >>> difflineranges2(b'abcde', b'aBcDe') |
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616 [(2, 2), (4, 4)] |
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617 >>> difflineranges2(b'abcde', b'aBCDe') |
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618 [(2, 4)] |
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619 """ |
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620 ranges = [] |
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621 for lines, kind in mdiff.allblocks(content1, content2): |
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622 firstline, lastline = lines[2:4] |
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623 if kind == b'!' and firstline != lastline: |
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624 ranges.append((firstline + 1, lastline)) |
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625 return ranges |
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626 |
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627 |
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628 def getbasectxs(repo, opts, revstofix): |
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629 """Returns a map of the base contexts for each revision |
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630 |
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631 The base contexts determine which lines are considered modified when we |
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632 attempt to fix just the modified lines in a file. It also determines which |
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633 files we attempt to fix, so it is important to compute this even when |
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634 --whole is used. |
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635 """ |
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636 # The --base flag overrides the usual logic, and we give every revision |
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637 # exactly the set of baserevs that the user specified. |
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638 if opts.get(b'base'): |
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639 baserevs = set(logcmdutil.revrange(repo, opts.get(b'base'))) |
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640 if not baserevs: |
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641 baserevs = {nullrev} |
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642 basectxs = {repo[rev] for rev in baserevs} |
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643 return {rev: basectxs for rev in revstofix} |
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644 |
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645 # Proceed in topological order so that we can easily determine each |
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646 # revision's baserevs by looking at its parents and their baserevs. |
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647 basectxs = collections.defaultdict(set) |
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648 for rev in sorted(revstofix): |
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649 ctx = repo[rev] |
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650 for pctx in ctx.parents(): |
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651 if pctx.rev() in basectxs: |
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652 basectxs[rev].update(basectxs[pctx.rev()]) |
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653 else: |
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654 basectxs[rev].add(pctx) |
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655 return basectxs |
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656 |
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657 |
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658 def _prefetchfiles(repo, workqueue, basepaths): |
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659 toprefetch = set() |
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660 |
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661 # Prefetch the files that will be fixed. |
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662 for srcrev, path, _dstrevs in workqueue: |
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663 if srcrev == wdirrev: |
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664 continue |
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665 toprefetch.add((srcrev, path)) |
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666 |
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667 # Prefetch the base contents for lineranges(). |
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668 for (baserev, fixrev, path), basepath in basepaths.items(): |
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669 toprefetch.add((baserev, basepath)) |
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670 |
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671 if toprefetch: |
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672 scmutil.prefetchfiles( |
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673 repo, |
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674 [ |
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675 (rev, scmutil.matchfiles(repo, [path])) |
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676 for rev, path in toprefetch |
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677 ], |
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678 ) |
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679 |
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680 |
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681 def fixfile(ui, repo, opts, fixers, fixctx, path, basepaths, basectxs): |
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682 """Run any configured fixers that should affect the file in this context |
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683 |
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684 Returns the file content that results from applying the fixers in some order |
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685 starting with the file's content in the fixctx. Fixers that support line |
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686 ranges will affect lines that have changed relative to any of the basectxs |
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687 (i.e. they will only avoid lines that are common to all basectxs). |
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688 |
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689 A fixer tool's stdout will become the file's new content if and only if it |
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690 exits with code zero. The fixer tool's working directory is the repository's |
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691 root. |
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692 """ |
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693 metadata = {} |
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694 newdata = fixctx[path].data() |
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695 for fixername, fixer in fixers.items(): |
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696 if fixer.affects(opts, fixctx, path): |
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697 ranges = lineranges( |
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698 opts, path, basepaths, basectxs, fixctx, newdata |
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699 ) |
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700 command = fixer.command(ui, path, ranges) |
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701 if command is None: |
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702 continue |
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703 msg = b'fixing: %s - %s - %s\n' |
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704 msg %= (fixctx, fixername, path) |
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705 ui.debug(msg) |
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706 ui.debug(b'subprocess: %s\n' % (command,)) |
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707 proc = subprocess.Popen( |
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708 procutil.tonativestr(command), |
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709 shell=True, |
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710 cwd=procutil.tonativestr(repo.root), |
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711 stdin=subprocess.PIPE, |
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712 stdout=subprocess.PIPE, |
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713 stderr=subprocess.PIPE, |
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714 ) |
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|
715 stdout, stderr = proc.communicate(newdata) |
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716 if stderr: |
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717 showstderr(ui, fixctx.rev(), fixername, stderr) |
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718 newerdata = stdout |
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|
719 if fixer.shouldoutputmetadata(): |
0da689a60163
fix: allow fixer tools to return metadata in addition to the file content
Danny Hooper <hooper@google.com>
parents:
42009
diff
changeset
|
720 try: |
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
721 metadatajson, newerdata = stdout.split(b'\0', 1) |
43380
579672b347d2
py3: define and use json.loads polyfill
Gregory Szorc <gregory.szorc@gmail.com>
parents:
43227
diff
changeset
|
722 metadata[fixername] = pycompat.json_loads(metadatajson) |
42194
0da689a60163
fix: allow fixer tools to return metadata in addition to the file content
Danny Hooper <hooper@google.com>
parents:
42009
diff
changeset
|
723 except ValueError: |
43076
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Augie Fackler <augie@google.com>
parents:
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diff
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|
724 ui.warn( |
43077
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parents:
43076
diff
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|
725 _(b'ignored invalid output from fixer tool: %s\n') |
43076
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Augie Fackler <augie@google.com>
parents:
43058
diff
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|
726 % (fixername,) |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43058
diff
changeset
|
727 ) |
42194
0da689a60163
fix: allow fixer tools to return metadata in addition to the file content
Danny Hooper <hooper@google.com>
parents:
42009
diff
changeset
|
728 continue |
0da689a60163
fix: allow fixer tools to return metadata in addition to the file content
Danny Hooper <hooper@google.com>
parents:
42009
diff
changeset
|
729 else: |
0da689a60163
fix: allow fixer tools to return metadata in addition to the file content
Danny Hooper <hooper@google.com>
parents:
42009
diff
changeset
|
730 metadata[fixername] = None |
38967
a009589cd32a
fix: determine fixer tool failure by exit code instead of stderr
Danny Hooper <hooper@google.com>
parents:
38950
diff
changeset
|
731 if proc.returncode == 0: |
37183
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
732 newdata = newerdata |
40532
93bab80993f4
fix: add a config to abort when a fixer tool fails
Danny Hooper <hooper@google.com>
parents:
40431
diff
changeset
|
733 else: |
93bab80993f4
fix: add a config to abort when a fixer tool fails
Danny Hooper <hooper@google.com>
parents:
40431
diff
changeset
|
734 if not stderr: |
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Augie Fackler <augie@google.com>
parents:
43076
diff
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|
735 message = _(b'exited with status %d\n') % (proc.returncode,) |
40532
93bab80993f4
fix: add a config to abort when a fixer tool fails
Danny Hooper <hooper@google.com>
parents:
40431
diff
changeset
|
736 showstderr(ui, fixctx.rev(), fixername, message) |
93bab80993f4
fix: add a config to abort when a fixer tool fails
Danny Hooper <hooper@google.com>
parents:
40431
diff
changeset
|
737 checktoolfailureaction( |
43076
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
738 ui, |
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parents:
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diff
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|
739 _(b'no fixes will be applied'), |
43076
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parents:
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|
740 hint=_( |
43077
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parents:
43076
diff
changeset
|
741 b'use --config fix.failure=continue to apply any ' |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
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|
742 b'successful fixes anyway' |
43076
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parents:
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diff
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|
743 ), |
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parents:
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|
744 ) |
42194
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Danny Hooper <hooper@google.com>
parents:
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changeset
|
745 return metadata, newdata |
37183
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fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
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|
746 |
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parents:
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diff
changeset
|
747 |
37183
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
748 def showstderr(ui, rev, fixername, stderr): |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
749 """Writes the lines of the stderr string as warnings on the ui |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
750 |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
751 Uses the revision number and fixername to give more context to each line of |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
752 the error message. Doesn't include file names, since those take up a lot of |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
753 space and would tend to be included in the error message if they were |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
754 relevant. |
ded5ea279a93
fix: new extension for automatically modifying file contents
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parents:
diff
changeset
|
755 """ |
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parents:
43076
diff
changeset
|
756 for line in re.split(b'[\r\n]+', stderr): |
37183
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fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
757 if line: |
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parents:
43076
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|
758 ui.warn(b'[') |
37183
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Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
759 if rev is None: |
43077
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
760 ui.warn(_(b'wdir'), label=b'evolve.rev') |
37183
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fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
761 else: |
43501
b2f95f9d3588
fix: replace str() by b'%d' for formatting integer
Martin von Zweigbergk <martinvonz@google.com>
parents:
43380
diff
changeset
|
762 ui.warn(b'%d' % rev, label=b'evolve.rev') |
43077
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parents:
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|
763 ui.warn(b'] %s: %s\n' % (fixername, line)) |
43076
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parents:
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diff
changeset
|
764 |
37183
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fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
765 |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
766 def writeworkingdir(repo, ctx, filedata, replacements): |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
767 """Write new content to the working copy and check out the new p1 if any |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
768 |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
769 We check out a new revision if and only if we fixed something in both the |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
770 working directory and its parent revision. This avoids the need for a full |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
771 update/merge, and means that the working directory simply isn't affected |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
772 unless the --working-dir flag is given. |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
773 |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
774 Directly updates the dirstate for the affected files. |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
775 """ |
48913
f254fc73d956
global: bulk replace simple pycompat.iteritems(x) with x.items()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
776 for path, data in filedata.items(): |
37183
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fix: new extension for automatically modifying file contents
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parents:
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|
777 fctx = ctx[path] |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
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changeset
|
778 fctx.write(data, fctx.flags()) |
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fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
779 |
47766
3feda1e779d4
fix: rewrite writeworkingdir() to explicitly not work with merges
Martin von Zweigbergk <martinvonz@google.com>
parents:
47735
diff
changeset
|
780 oldp1 = repo.dirstate.p1() |
3feda1e779d4
fix: rewrite writeworkingdir() to explicitly not work with merges
Martin von Zweigbergk <martinvonz@google.com>
parents:
47735
diff
changeset
|
781 newp1 = replacements.get(oldp1, oldp1) |
3feda1e779d4
fix: rewrite writeworkingdir() to explicitly not work with merges
Martin von Zweigbergk <martinvonz@google.com>
parents:
47735
diff
changeset
|
782 if newp1 != oldp1: |
47886
86a60679cf61
fix: again allow formatting the working copy while merging
Martin von Zweigbergk <martinvonz@google.com>
parents:
47797
diff
changeset
|
783 assert repo.dirstate.p2() == nullid |
50090
a3c856e2ea2f
branching: merge with default
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
49977
diff
changeset
|
784 with repo.dirstate.changing_parents(repo): |
47767
66ad7e32011f
fix: use scmutil.movedirstate() instead of reimplementing
Martin von Zweigbergk <martinvonz@google.com>
parents:
47766
diff
changeset
|
785 scmutil.movedirstate(repo, repo[newp1]) |
37183
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parents:
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changeset
|
786 |
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parents:
43058
diff
changeset
|
787 |
37183
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diff
changeset
|
788 def replacerev(ui, repo, ctx, filedata, replacements): |
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Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
789 """Commit a new revision like the given one, but with file content changes |
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fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
790 |
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parents:
diff
changeset
|
791 "ctx" is the original revision to be replaced by a modified one. |
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fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
792 |
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fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
793 "filedata" is a dict that maps paths to their new file content. All other |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
794 paths will be recreated from the original revision without changes. |
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fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
795 "filedata" may contain paths that didn't exist in the original revision; |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
796 they will be added. |
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Danny Hooper <hooper@google.com>
parents:
diff
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|
797 |
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parents:
diff
changeset
|
798 "replacements" is a dict that maps a single node to a single node, and it is |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
799 updated to indicate the original revision is replaced by the newly created |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
800 one. No entry is added if the replacement's node already exists. |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
801 |
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fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
802 The new revision has the same parents as the old one, unless those parents |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
803 have already been replaced, in which case those replacements are the parents |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
804 of this new revision. Thus, if revisions are replaced in topological order, |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
805 there is no need to rebase them into the original topology later. |
ded5ea279a93
fix: new extension for automatically modifying file contents
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|
806 """ |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
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diff
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|
807 |
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fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
808 p1rev, p2rev = repo.changelog.parentrevs(ctx.rev()) |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
809 p1ctx, p2ctx = repo[p1rev], repo[p2rev] |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
810 newp1node = replacements.get(p1ctx.node(), p1ctx.node()) |
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fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
811 newp2node = replacements.get(p2ctx.node(), p2ctx.node()) |
ded5ea279a93
fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
diff
changeset
|
812 |
40570
ad71c792a8d8
fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents:
40566
diff
changeset
|
813 # We don't want to create a revision that has no changes from the original, |
ad71c792a8d8
fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents:
40566
diff
changeset
|
814 # but we should if the original revision's parent has been replaced. |
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fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents:
40566
diff
changeset
|
815 # Otherwise, we would produce an orphan that needs no actual human |
ad71c792a8d8
fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents:
40566
diff
changeset
|
816 # intervention to evolve. We can't rely on commit() to avoid creating the |
ad71c792a8d8
fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents:
40566
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changeset
|
817 # un-needed revision because the extra field added below produces a new hash |
ad71c792a8d8
fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents:
40566
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|
818 # regardless of file content changes. |
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|
819 if ( |
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changeset
|
820 not filedata |
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|
821 and p1ctx.node() not in replacements |
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parents:
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|
822 and p2ctx.node() not in replacements |
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|
823 ): |
40570
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Danny Hooper <hooper@google.com>
parents:
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|
824 return |
ad71c792a8d8
fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents:
40566
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|
825 |
ad71c792a8d8
fix: add extra field to fixed revisions to avoid creating obsolescence cycles
Danny Hooper <hooper@google.com>
parents:
40566
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|
826 extra = ctx.extra().copy() |
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parents:
43076
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|
827 extra[b'fix_source'] = ctx.hex() |
40570
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Danny Hooper <hooper@google.com>
parents:
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diff
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|
828 |
43962
eebdd6709868
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Kyle Lippincott <spectral@google.com>
parents:
43936
diff
changeset
|
829 wctx = context.overlayworkingctx(repo) |
44092
833210fbd900
graftcopies: remove `skip` and `repo` arguments
Martin von Zweigbergk <martinvonz@google.com>
parents:
44090
diff
changeset
|
830 wctx.setbase(repo[newp1node]) |
44271
c791ed6a2154
merge: introduce a revert_to() for that use-case
Martin von Zweigbergk <martinvonz@google.com>
parents:
44129
diff
changeset
|
831 merge.revert_to(ctx, wc=wctx) |
44092
833210fbd900
graftcopies: remove `skip` and `repo` arguments
Martin von Zweigbergk <martinvonz@google.com>
parents:
44090
diff
changeset
|
832 copies.graftcopies(wctx, ctx, ctx.p1()) |
43962
eebdd6709868
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parents:
43936
diff
changeset
|
833 |
eebdd6709868
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Kyle Lippincott <spectral@google.com>
parents:
43936
diff
changeset
|
834 for path in filedata.keys(): |
eebdd6709868
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Kyle Lippincott <spectral@google.com>
parents:
43936
diff
changeset
|
835 fctx = ctx[path] |
eebdd6709868
fix: fix handling of merge commits by using overlayworkingctx
Kyle Lippincott <spectral@google.com>
parents:
43936
diff
changeset
|
836 copysource = fctx.copysource() |
eebdd6709868
fix: fix handling of merge commits by using overlayworkingctx
Kyle Lippincott <spectral@google.com>
parents:
43936
diff
changeset
|
837 wctx.write(path, filedata[path], flags=fctx.flags()) |
eebdd6709868
fix: fix handling of merge commits by using overlayworkingctx
Kyle Lippincott <spectral@google.com>
parents:
43936
diff
changeset
|
838 if copysource: |
eebdd6709868
fix: fix handling of merge commits by using overlayworkingctx
Kyle Lippincott <spectral@google.com>
parents:
43936
diff
changeset
|
839 wctx.markcopied(path, copysource) |
eebdd6709868
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840 |
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|
841 desc = rewriteutil.update_hash_refs( |
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fix: update commit hash references in the new commits
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|
842 repo, |
04de8a1ec08f
fix: update commit hash references in the new commits
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|
843 ctx.description(), |
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|
844 {oldnode: [newnode] for oldnode, newnode in replacements.items()}, |
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|
845 ) |
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|
846 |
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|
847 memctx = wctx.tomemctx( |
45713
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|
848 text=desc, |
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changeset
|
849 branch=ctx.branch(), |
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|
850 extra=extra, |
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parents:
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diff
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|
851 date=ctx.date(), |
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852 parents=(newp1node, newp2node), |
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fix: fix handling of merge commits by using overlayworkingctx
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|
853 user=ctx.user(), |
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854 ) |
43962
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855 |
38423
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856 sucnode = memctx.commit() |
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|
857 prenode = ctx.node() |
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858 if prenode == sucnode: |
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859 ui.debug(b'node %s already existed\n' % (ctx.hex())) |
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860 else: |
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861 replacements[ctx.node()] = sucnode |
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862 |
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863 |
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864 def getfixers(ui): |
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865 """Returns a map of configured fixer tools indexed by their names |
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866 |
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867 Each value is a Fixer object with methods that implement the behavior of the |
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868 fixer's config suboptions. Does not validate the config values. |
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869 """ |
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870 fixers = {} |
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871 for name in fixernames(ui): |
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872 enabled = ui.configbool(b'fix', name + b':enabled') |
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873 command = ui.config(b'fix', name + b':command') |
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874 pattern = ui.config(b'fix', name + b':pattern') |
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875 linerange = ui.config(b'fix', name + b':linerange') |
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|
876 priority = ui.configint(b'fix', name + b':priority') |
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|
877 metadata = ui.configbool(b'fix', name + b':metadata') |
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878 skipclean = ui.configbool(b'fix', name + b':skipclean') |
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879 # Don't use a fixer if it has no pattern configured. It would be |
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|
880 # dangerous to let it affect all files. It would be pointless to let it |
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|
881 # affect no files. There is no reasonable subset of files to use as the |
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882 # default. |
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883 if command is None: |
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|
884 ui.warn( |
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diff
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|
885 _(b'fixer tool has no command configuration: %s\n') % (name,) |
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886 ) |
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887 elif pattern is None: |
42655
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888 ui.warn( |
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889 _(b'fixer tool has no pattern configuration: %s\n') % (name,) |
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890 ) |
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891 elif not enabled: |
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892 ui.debug(b'ignoring disabled fixer tool: %s\n' % (name,)) |
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893 else: |
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|
894 fixers[name] = Fixer( |
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|
895 command, pattern, linerange, priority, metadata, skipclean |
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|
896 ) |
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|
897 return collections.OrderedDict( |
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898 sorted(fixers.items(), key=lambda item: item[1]._priority, reverse=True) |
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|
899 ) |
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|
900 |
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|
901 |
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|
902 def fixernames(ui): |
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|
903 """Returns the names of [fix] config options that have suboptions""" |
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|
904 names = set() |
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905 for k, v in ui.configitems(b'fix'): |
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|
906 if b':' in k: |
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|
907 names.add(k.split(b':', 1)[0]) |
37183
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|
908 return names |
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|
909 |
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|
910 |
48946
642e31cb55f0
py3: use class X: instead of class X(object):
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48913
diff
changeset
|
911 class Fixer: |
37183
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fix: new extension for automatically modifying file contents
Danny Hooper <hooper@google.com>
parents:
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|
912 """Wraps the raw config values for a fixer with methods""" |
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fix: new extension for automatically modifying file contents
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|
913 |
43219
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|
914 def __init__( |
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|
915 self, command, pattern, linerange, priority, metadata, skipclean |
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|
916 ): |
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diff
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|
917 self._command = command |
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|
918 self._pattern = pattern |
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|
919 self._linerange = linerange |
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|
920 self._priority = priority |
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diff
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|
921 self._metadata = metadata |
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|
922 self._skipclean = skipclean |
0101db49606f
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|
923 |
37183
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|
924 def affects(self, opts, fixctx, path): |
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diff
changeset
|
925 """Should this fixer run on the file at the given path and context?""" |
43227
f02d3c0eed18
fix: match patterns relative to root
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parents:
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diff
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|
926 repo = fixctx.repo() |
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fix: match patterns relative to root
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|
927 matcher = matchmod.match( |
f02d3c0eed18
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diff
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|
928 repo.root, repo.root, [self._pattern], ctx=fixctx |
f02d3c0eed18
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parents:
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|
929 ) |
f02d3c0eed18
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|
930 return matcher(path) |
37183
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|
931 |
42194
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parents:
42009
diff
changeset
|
932 def shouldoutputmetadata(self): |
0da689a60163
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Danny Hooper <hooper@google.com>
parents:
42009
diff
changeset
|
933 """Should the stdout of this fixer start with JSON and a null byte?""" |
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parents:
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|
934 return self._metadata |
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fix: allow fixer tools to return metadata in addition to the file content
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diff
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|
935 |
42758
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|
936 def command(self, ui, path, ranges): |
37183
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|
937 """A shell command to use to invoke this fixer on the given file/lines |
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|
938 |
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|
939 May return None if there is no appropriate command to run for the given |
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|
940 parameters. |
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|
941 """ |
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|
942 expand = cmdutil.rendercommandtemplate |
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|
943 parts = [ |
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|
944 expand( |
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|
945 ui, |
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|
946 self._command, |
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|
947 {b'rootpath': path, b'basename': os.path.basename(path)}, |
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948 ) |
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|
949 ] |
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|
950 if self._linerange: |
42756
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fix: allow tools to use :linerange, but also run if a file is unchanged
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42673
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|
951 if self._skipclean and not ranges: |
37183
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diff
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|
952 # No line ranges to fix, so don't run the fixer. |
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diff
changeset
|
953 return None |
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|
954 for first, last in ranges: |
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|
955 parts.append( |
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|
956 expand( |
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|
957 ui, self._linerange, {b'first': first, b'last': last} |
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|
958 ) |
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|
959 ) |
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parents:
43076
diff
changeset
|
960 return b' '.join(parts) |