Mercurial > hg
annotate hgext/win32text.py @ 48633:52aa9b505c8f
test-http-bad-server: move on test from bytes-count to pattern
This specific test case is now using the new "close when a pattern is seen"
approach compared to the more fragile "that many bytes were sent" approach.
Since such change are still a bit noisy, we split each change in there own
changesets.
Differential Revision: https://phab.mercurial-scm.org/D12064
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Fri, 21 Jan 2022 17:53:06 +0100 |
parents | f5dea753fe4e |
children | 6000f5b25c9b |
rev | line source |
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1 # win32text.py - LF <-> CRLF/CR translation utilities for Windows/Mac users |
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2 # |
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3 # Copyright 2005, 2007-2009 Olivia Mackall <olivia@selenic.com> and others |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 '''perform automatic newline conversion (DEPRECATED) |
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9 |
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10 Deprecation: The win32text extension requires each user to configure |
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11 the extension again and again for each clone since the configuration |
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12 is not copied when cloning. |
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13 |
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14 We have therefore made the ``eol`` as an alternative. The ``eol`` |
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15 uses a version controlled file for its configuration and each clone |
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16 will therefore use the right settings from the start. |
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17 |
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18 To perform automatic newline conversion, use:: |
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19 |
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20 [extensions] |
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21 win32text = |
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22 [encode] |
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23 ** = cleverencode: |
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24 # or ** = macencode: |
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25 |
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26 [decode] |
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27 ** = cleverdecode: |
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28 # or ** = macdecode: |
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29 |
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30 If not doing conversion, to make sure you do not commit CRLF/CR by accident:: |
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31 |
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32 [hooks] |
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33 pretxncommit.crlf = python:hgext.win32text.forbidcrlf |
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34 # or pretxncommit.cr = python:hgext.win32text.forbidcr |
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35 |
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36 To do the same check on a server to prevent CRLF/CR from being |
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37 pushed or pulled:: |
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38 |
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39 [hooks] |
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40 pretxnchangegroup.crlf = python:hgext.win32text.forbidcrlf |
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41 # or pretxnchangegroup.cr = python:hgext.win32text.forbidcr |
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42 ''' |
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43 |
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44 from __future__ import absolute_import |
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45 |
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46 import re |
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47 from mercurial.i18n import _ |
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48 from mercurial.node import short |
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49 from mercurial import ( |
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50 cmdutil, |
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51 extensions, |
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52 pycompat, |
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53 registrar, |
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54 ) |
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55 from mercurial.utils import stringutil |
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56 |
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57 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
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58 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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59 # be specifying the version(s) of Mercurial they are tested with, or |
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60 # leave the attribute unspecified. |
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61 testedwith = b'ships-with-hg-core' |
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62 |
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63 configtable = {} |
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64 configitem = registrar.configitem(configtable) |
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65 |
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66 configitem( |
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67 b'win32text', |
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68 b'warn', |
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69 default=True, |
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70 ) |
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71 |
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72 # regexp for single LF without CR preceding. |
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73 re_single_lf = re.compile(b'(^|[^\r])\n', re.MULTILINE) |
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74 |
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75 newlinestr = {b'\r\n': b'CRLF', b'\r': b'CR'} |
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76 filterstr = {b'\r\n': b'clever', b'\r': b'mac'} |
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77 |
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78 |
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79 def checknewline(s, newline, ui=None, repo=None, filename=None): |
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80 # warn if already has 'newline' in repository. |
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81 # it might cause unexpected eol conversion. |
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82 # see issue 302: |
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83 # https://bz.mercurial-scm.org/302 |
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84 if newline in s and ui and filename and repo: |
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85 ui.warn( |
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86 _( |
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87 b'WARNING: %s already has %s line endings\n' |
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88 b'and does not need EOL conversion by the win32text plugin.\n' |
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89 b'Before your next commit, please reconsider your ' |
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90 b'encode/decode settings in \nMercurial.ini or %s.\n' |
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91 ) |
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92 % (filename, newlinestr[newline], repo.vfs.join(b'hgrc')) |
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93 ) |
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94 |
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95 |
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96 def dumbdecode(s, cmd, **kwargs): |
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97 checknewline(s, b'\r\n', **kwargs) |
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98 # replace single LF to CRLF |
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99 return re_single_lf.sub(b'\\1\r\n', s) |
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100 |
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101 |
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102 def dumbencode(s, cmd): |
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103 return s.replace(b'\r\n', b'\n') |
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104 |
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105 |
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106 def macdumbdecode(s, cmd, **kwargs): |
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107 checknewline(s, b'\r', **kwargs) |
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108 return s.replace(b'\n', b'\r') |
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109 |
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110 |
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111 def macdumbencode(s, cmd): |
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112 return s.replace(b'\r', b'\n') |
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113 |
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114 |
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115 def cleverdecode(s, cmd, **kwargs): |
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116 if not stringutil.binary(s): |
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117 return dumbdecode(s, cmd, **kwargs) |
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118 return s |
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119 |
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120 |
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121 def cleverencode(s, cmd): |
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122 if not stringutil.binary(s): |
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123 return dumbencode(s, cmd) |
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124 return s |
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125 |
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126 |
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127 def macdecode(s, cmd, **kwargs): |
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128 if not stringutil.binary(s): |
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130 return s | |
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131 |
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132 |
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133 def macencode(s, cmd): |
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134 if not stringutil.binary(s): |
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136 return s | |
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137 |
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138 |
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139 _filters = { |
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140 b'dumbdecode:': dumbdecode, |
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141 b'dumbencode:': dumbencode, |
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142 b'cleverdecode:': cleverdecode, |
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143 b'cleverencode:': cleverencode, |
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144 b'macdumbdecode:': macdumbdecode, |
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145 b'macdumbencode:': macdumbencode, |
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146 b'macdecode:': macdecode, |
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147 b'macencode:': macencode, |
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148 } |
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149 |
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150 |
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151 def forbidnewline(ui, repo, hooktype, node, newline, **kwargs): |
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152 halt = False |
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153 seen = set() |
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154 # we try to walk changesets in reverse order from newest to |
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155 # oldest, so that if we see a file multiple times, we take the |
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156 # newest version as canonical. this prevents us from blocking a |
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157 # changegroup that contains an unacceptable commit followed later |
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158 # by a commit that fixes the problem. |
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159 tip = repo[b'tip'] |
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160 for rev in pycompat.xrange( |
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161 repo.changelog.tiprev(), repo[node].rev() - 1, -1 |
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162 ): |
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163 c = repo[rev] |
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164 for f in c.files(): |
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165 if f in seen or f not in tip or f not in c: |
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166 continue |
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167 seen.add(f) |
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168 data = c[f].data() |
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169 if not stringutil.binary(data) and newline in data: |
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170 if not halt: |
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171 ui.warn( |
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172 _( |
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173 b'attempt to commit or push text file(s) ' |
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174 b'using %s line endings\n' |
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175 ) |
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176 % newlinestr[newline] |
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177 ) |
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178 ui.warn(_(b'in %s: %s\n') % (short(c.node()), f)) |
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179 halt = True |
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180 if halt and hooktype == b'pretxnchangegroup': |
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181 crlf = newlinestr[newline].lower() |
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182 filter = filterstr[newline] |
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183 ui.warn( |
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184 _( |
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185 b'\nTo prevent this mistake in your local repository,\n' |
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186 b'add to Mercurial.ini or .hg/hgrc:\n' |
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187 b'\n' |
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188 b'[hooks]\n' |
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189 b'pretxncommit.%s = python:hgext.win32text.forbid%s\n' |
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190 b'\n' |
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191 b'and also consider adding:\n' |
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192 b'\n' |
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193 b'[extensions]\n' |
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194 b'win32text =\n' |
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195 b'[encode]\n' |
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196 b'** = %sencode:\n' |
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197 b'[decode]\n' |
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198 b'** = %sdecode:\n' |
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199 ) |
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200 % (crlf, crlf, filter, filter) |
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201 ) |
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202 return halt |
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203 |
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204 |
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205 def forbidcrlf(ui, repo, hooktype, node, **kwargs): |
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206 return forbidnewline(ui, repo, hooktype, node, b'\r\n', **kwargs) |
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207 |
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208 |
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209 def forbidcr(ui, repo, hooktype, node, **kwargs): |
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210 return forbidnewline(ui, repo, hooktype, node, b'\r', **kwargs) |
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211 |
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212 |
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213 def reposetup(ui, repo): |
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214 if not repo.local(): |
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215 return |
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216 for name, fn in pycompat.iteritems(_filters): |
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217 repo.adddatafilter(name, fn) |
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218 |
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219 |
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220 def wrap_revert(orig, repo, ctx, names, uipathfn, actions, *args, **kwargs): |
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221 # reset dirstate cache for file we touch |
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222 ds = repo.dirstate |
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223 with ds.parentchange(): |
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224 for filename in actions[b'revert'][0]: |
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225 entry = ds.get_entry(filename) |
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226 if entry is not None: |
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227 if entry.p1_tracked: |
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228 ds.update_file( |
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229 filename, |
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230 entry.tracked, |
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231 p1_tracked=True, |
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232 p2_info=entry.p2_info, |
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233 ) |
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234 return orig(repo, ctx, names, uipathfn, actions, *args, **kwargs) |
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235 |
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236 |
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237 def extsetup(ui): |
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238 # deprecated config: win32text.warn |
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239 if ui.configbool(b'win32text', b'warn'): |
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240 ui.warn( |
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241 _( |
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242 b"win32text is deprecated: " |
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243 b"https://mercurial-scm.org/wiki/Win32TextExtension\n" |
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244 ) |
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245 ) |
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246 extensions.wrapfunction(cmdutil, '_performrevert', wrap_revert) |