Mercurial > hg
annotate hgext/fsmonitor/__init__.py @ 29841:d5883fd055c6
extensions: change magic "shipped with hg" string
I've caught multiple extensions in the wild lying about being
'internal', so it's time to move the goalposts on people. Goalpost
moving will continue until third party extensions stop trying to
defeat the system.
author | Augie Fackler <augie@google.com> |
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date | Tue, 23 Aug 2016 11:26:08 -0400 |
parents | 0d83ad967bf8 |
children | 318a24b52eeb |
rev | line source |
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1 # __init__.py - fsmonitor initialization and overrides |
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2 # |
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3 # Copyright 2013-2016 Facebook, Inc. |
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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 |
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8 '''Faster status operations with the Watchman file monitor (EXPERIMENTAL) |
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9 |
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10 Integrates the file-watching program Watchman with Mercurial to produce faster |
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11 status results. |
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12 |
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13 On a particular Linux system, for a real-world repository with over 400,000 |
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14 files hosted on ext4, vanilla `hg status` takes 1.3 seconds. On the same |
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15 system, with fsmonitor it takes about 0.3 seconds. |
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16 |
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17 fsmonitor requires no configuration -- it will tell Watchman about your |
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18 repository as necessary. You'll need to install Watchman from |
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19 https://facebook.github.io/watchman/ and make sure it is in your PATH. |
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20 |
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21 The following configuration options exist: |
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22 |
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23 :: |
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24 |
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25 [fsmonitor] |
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26 mode = {off, on, paranoid} |
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27 |
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28 When `mode = off`, fsmonitor will disable itself (similar to not loading the |
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29 extension at all). When `mode = on`, fsmonitor will be enabled (the default). |
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30 When `mode = paranoid`, fsmonitor will query both Watchman and the filesystem, |
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31 and ensure that the results are consistent. |
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32 |
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33 :: |
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34 |
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35 [fsmonitor] |
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36 timeout = (float) |
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37 |
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38 A value, in seconds, that determines how long fsmonitor will wait for Watchman |
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39 to return results. Defaults to `2.0`. |
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40 |
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41 :: |
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42 |
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43 [fsmonitor] |
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44 blacklistusers = (list of userids) |
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45 |
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46 A list of usernames for which fsmonitor will disable itself altogether. |
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47 |
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48 :: |
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49 |
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50 [fsmonitor] |
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51 walk_on_invalidate = (boolean) |
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52 |
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53 Whether or not to walk the whole repo ourselves when our cached state has been |
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54 invalidated, for example when Watchman has been restarted or .hgignore rules |
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55 have been changed. Walking the repo in that case can result in competing for |
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56 I/O with Watchman. For large repos it is recommended to set this value to |
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57 false. You may wish to set this to true if you have a very fast filesystem |
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58 that can outpace the IPC overhead of getting the result data for the full repo |
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59 from Watchman. Defaults to false. |
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60 |
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61 fsmonitor is incompatible with the largefiles and eol extensions, and |
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62 will disable itself if any of those are active. |
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63 |
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64 ''' |
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65 |
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66 # Platforms Supported |
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67 # =================== |
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68 # |
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69 # **Linux:** *Stable*. Watchman and fsmonitor are both known to work reliably, |
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70 # even under severe loads. |
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71 # |
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72 # **Mac OS X:** *Stable*. The Mercurial test suite passes with fsmonitor |
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73 # turned on, on case-insensitive HFS+. There has been a reasonable amount of |
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74 # user testing under normal loads. |
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75 # |
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76 # **Solaris, BSD:** *Alpha*. watchman and fsmonitor are believed to work, but |
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77 # very little testing has been done. |
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78 # |
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79 # **Windows:** *Alpha*. Not in a release version of watchman or fsmonitor yet. |
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80 # |
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81 # Known Issues |
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82 # ============ |
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83 # |
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84 # * fsmonitor will disable itself if any of the following extensions are |
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85 # enabled: largefiles, inotify, eol; or if the repository has subrepos. |
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86 # * fsmonitor will produce incorrect results if nested repos that are not |
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87 # subrepos exist. *Workaround*: add nested repo paths to your `.hgignore`. |
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88 # |
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89 # The issues related to nested repos and subrepos are probably not fundamental |
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90 # ones. Patches to fix them are welcome. |
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91 |
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92 from __future__ import absolute_import |
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93 |
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94 import hashlib |
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95 import os |
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96 import stat |
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97 import sys |
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98 |
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99 from mercurial.i18n import _ |
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100 from mercurial import ( |
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101 context, |
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102 extensions, |
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103 localrepo, |
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104 merge, |
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105 pathutil, |
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106 scmutil, |
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107 util, |
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108 ) |
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109 from mercurial import match as matchmod |
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110 |
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111 from . import ( |
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112 state, |
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113 watchmanclient, |
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114 ) |
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115 |
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116 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
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117 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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118 # be specifying the version(s) of Mercurial they are tested with, or |
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119 # leave the attribute unspecified. |
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120 testedwith = 'ships-with-hg-core' |
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121 |
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122 # This extension is incompatible with the following blacklisted extensions |
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123 # and will disable itself when encountering one of these: |
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124 _blacklist = ['largefiles', 'eol'] |
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125 |
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126 def _handleunavailable(ui, state, ex): |
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127 """Exception handler for Watchman interaction exceptions""" |
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128 if isinstance(ex, watchmanclient.Unavailable): |
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129 if ex.warn: |
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130 ui.warn(str(ex) + '\n') |
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131 if ex.invalidate: |
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132 state.invalidate() |
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133 ui.log('fsmonitor', 'Watchman unavailable: %s\n', ex.msg) |
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134 else: |
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135 ui.log('fsmonitor', 'Watchman exception: %s\n', ex) |
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136 |
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137 def _hashignore(ignore): |
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138 """Calculate hash for ignore patterns and filenames |
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139 |
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140 If this information changes between Mercurial invocations, we can't |
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141 rely on Watchman information anymore and have to re-scan the working |
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142 copy. |
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143 |
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144 """ |
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145 sha1 = hashlib.sha1() |
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146 if util.safehasattr(ignore, 'includepat'): |
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147 sha1.update(ignore.includepat) |
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148 sha1.update('\0\0') |
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149 if util.safehasattr(ignore, 'excludepat'): |
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150 sha1.update(ignore.excludepat) |
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151 sha1.update('\0\0') |
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152 if util.safehasattr(ignore, 'patternspat'): |
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153 sha1.update(ignore.patternspat) |
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154 sha1.update('\0\0') |
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155 if util.safehasattr(ignore, '_files'): |
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156 for f in ignore._files: |
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157 sha1.update(f) |
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158 sha1.update('\0') |
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159 return sha1.hexdigest() |
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160 |
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161 def overridewalk(orig, self, match, subrepos, unknown, ignored, full=True): |
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162 '''Replacement for dirstate.walk, hooking into Watchman. |
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163 |
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164 Whenever full is False, ignored is False, and the Watchman client is |
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165 available, use Watchman combined with saved state to possibly return only a |
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166 subset of files.''' |
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167 def bail(): |
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168 return orig(match, subrepos, unknown, ignored, full=True) |
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169 |
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170 if full or ignored or not self._watchmanclient.available(): |
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171 return bail() |
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172 state = self._fsmonitorstate |
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173 clock, ignorehash, notefiles = state.get() |
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174 if not clock: |
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175 if state.walk_on_invalidate: |
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176 return bail() |
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177 # Initial NULL clock value, see |
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178 # https://facebook.github.io/watchman/docs/clockspec.html |
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179 clock = 'c:0:0' |
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180 notefiles = [] |
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181 |
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182 def fwarn(f, msg): |
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183 self._ui.warn('%s: %s\n' % (self.pathto(f), msg)) |
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184 return False |
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185 |
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186 def badtype(mode): |
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187 kind = _('unknown') |
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188 if stat.S_ISCHR(mode): |
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189 kind = _('character device') |
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190 elif stat.S_ISBLK(mode): |
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191 kind = _('block device') |
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192 elif stat.S_ISFIFO(mode): |
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193 kind = _('fifo') |
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194 elif stat.S_ISSOCK(mode): |
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195 kind = _('socket') |
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196 elif stat.S_ISDIR(mode): |
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197 kind = _('directory') |
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198 return _('unsupported file type (type is %s)') % kind |
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199 |
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200 ignore = self._ignore |
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201 dirignore = self._dirignore |
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202 if unknown: |
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203 if _hashignore(ignore) != ignorehash and clock != 'c:0:0': |
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204 # ignore list changed -- can't rely on Watchman state any more |
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205 if state.walk_on_invalidate: |
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206 return bail() |
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207 notefiles = [] |
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208 clock = 'c:0:0' |
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209 else: |
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210 # always ignore |
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211 ignore = util.always |
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212 dirignore = util.always |
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213 |
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214 matchfn = match.matchfn |
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215 matchalways = match.always() |
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216 dmap = self._map |
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217 nonnormalset = getattr(self, '_nonnormalset', None) |
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218 |
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219 copymap = self._copymap |
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220 getkind = stat.S_IFMT |
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221 dirkind = stat.S_IFDIR |
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222 regkind = stat.S_IFREG |
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223 lnkkind = stat.S_IFLNK |
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224 join = self._join |
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225 normcase = util.normcase |
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226 fresh_instance = False |
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227 |
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228 exact = skipstep3 = False |
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229 if matchfn == match.exact: # match.exact |
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230 exact = True |
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231 dirignore = util.always # skip step 2 |
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232 elif match.files() and not match.anypats(): # match.match, no patterns |
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233 skipstep3 = True |
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234 |
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235 if not exact and self._checkcase: |
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236 # note that even though we could receive directory entries, we're only |
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237 # interested in checking if a file with the same name exists. So only |
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238 # normalize files if possible. |
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239 normalize = self._normalizefile |
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240 skipstep3 = False |
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241 else: |
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242 normalize = None |
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243 |
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244 # step 1: find all explicit files |
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245 results, work, dirsnotfound = self._walkexplicit(match, subrepos) |
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246 |
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247 skipstep3 = skipstep3 and not (work or dirsnotfound) |
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248 work = [d for d in work if not dirignore(d[0])] |
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249 |
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250 if not work and (exact or skipstep3): |
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251 for s in subrepos: |
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252 del results[s] |
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253 del results['.hg'] |
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254 return results |
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255 |
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256 # step 2: query Watchman |
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257 try: |
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258 # Use the user-configured timeout for the query. |
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259 # Add a little slack over the top of the user query to allow for |
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260 # overheads while transferring the data |
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261 self._watchmanclient.settimeout(state.timeout + 0.1) |
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262 result = self._watchmanclient.command('query', { |
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263 'fields': ['mode', 'mtime', 'size', 'exists', 'name'], |
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264 'since': clock, |
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265 'expression': [ |
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266 'not', [ |
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267 'anyof', ['dirname', '.hg'], |
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268 ['name', '.hg', 'wholename'] |
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269 ] |
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270 ], |
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271 'sync_timeout': int(state.timeout * 1000), |
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272 'empty_on_fresh_instance': state.walk_on_invalidate, |
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273 }) |
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274 except Exception as ex: |
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275 _handleunavailable(self._ui, state, ex) |
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276 self._watchmanclient.clearconnection() |
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277 return bail() |
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278 else: |
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279 # We need to propagate the last observed clock up so that we |
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280 # can use it for our next query |
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281 state.setlastclock(result['clock']) |
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282 if result['is_fresh_instance']: |
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283 if state.walk_on_invalidate: |
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284 state.invalidate() |
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285 return bail() |
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286 fresh_instance = True |
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287 # Ignore any prior noteable files from the state info |
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288 notefiles = [] |
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289 |
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290 # for file paths which require normalization and we encounter a case |
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291 # collision, we store our own foldmap |
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292 if normalize: |
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293 foldmap = dict((normcase(k), k) for k in results) |
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294 |
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295 switch_slashes = os.sep == '\\' |
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296 # The order of the results is, strictly speaking, undefined. |
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297 # For case changes on a case insensitive filesystem we may receive |
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298 # two entries, one with exists=True and another with exists=False. |
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299 # The exists=True entries in the same response should be interpreted |
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300 # as being happens-after the exists=False entries due to the way that |
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301 # Watchman tracks files. We use this property to reconcile deletes |
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302 # for name case changes. |
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303 for entry in result['files']: |
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304 fname = entry['name'] |
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305 if switch_slashes: |
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306 fname = fname.replace('\\', '/') |
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307 if normalize: |
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308 normed = normcase(fname) |
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309 fname = normalize(fname, True, True) |
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310 foldmap[normed] = fname |
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311 fmode = entry['mode'] |
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312 fexists = entry['exists'] |
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313 kind = getkind(fmode) |
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314 |
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315 if not fexists: |
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316 # if marked as deleted and we don't already have a change |
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317 # record, mark it as deleted. If we already have an entry |
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318 # for fname then it was either part of walkexplicit or was |
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319 # an earlier result that was a case change |
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320 if fname not in results and fname in dmap and ( |
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321 matchalways or matchfn(fname)): |
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322 results[fname] = None |
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323 elif kind == dirkind: |
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324 if fname in dmap and (matchalways or matchfn(fname)): |
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325 results[fname] = None |
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326 elif kind == regkind or kind == lnkkind: |
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327 if fname in dmap: |
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328 if matchalways or matchfn(fname): |
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329 results[fname] = entry |
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330 elif (matchalways or matchfn(fname)) and not ignore(fname): |
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331 results[fname] = entry |
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332 elif fname in dmap and (matchalways or matchfn(fname)): |
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333 results[fname] = None |
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334 |
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335 # step 3: query notable files we don't already know about |
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336 # XXX try not to iterate over the entire dmap |
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337 if normalize: |
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338 # any notable files that have changed case will already be handled |
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339 # above, so just check membership in the foldmap |
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340 notefiles = set((normalize(f, True, True) for f in notefiles |
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341 if normcase(f) not in foldmap)) |
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342 visit = set((f for f in notefiles if (f not in results and matchfn(f) |
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343 and (f in dmap or not ignore(f))))) |
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344 |
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345 if nonnormalset is not None and not fresh_instance: |
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346 if matchalways: |
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347 visit.update(f for f in nonnormalset if f not in results) |
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348 visit.update(f for f in copymap if f not in results) |
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349 else: |
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350 visit.update(f for f in nonnormalset |
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parents:
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351 if f not in results and matchfn(f)) |
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352 visit.update(f for f in copymap |
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Martijn Pieters <mjpieters@fb.com>
parents:
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353 if f not in results and matchfn(f)) |
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Martijn Pieters <mjpieters@fb.com>
parents:
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354 else: |
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parents:
diff
changeset
|
355 if matchalways: |
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356 visit.update(f for f, st in dmap.iteritems() |
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357 if (f not in results and |
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358 (st[2] < 0 or st[0] != 'n' or fresh_instance))) |
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359 visit.update(f for f in copymap if f not in results) |
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360 else: |
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361 visit.update(f for f, st in dmap.iteritems() |
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362 if (f not in results and |
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363 (st[2] < 0 or st[0] != 'n' or fresh_instance) |
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parents:
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364 and matchfn(f))) |
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parents:
diff
changeset
|
365 visit.update(f for f in copymap |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
366 if f not in results and matchfn(f)) |
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parents:
diff
changeset
|
367 |
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|
368 audit = pathutil.pathauditor(self._root).check |
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|
369 auditpass = [f for f in visit if audit(f)] |
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changeset
|
370 auditpass.sort() |
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|
371 auditfail = visit.difference(auditpass) |
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parents:
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changeset
|
372 for f in auditfail: |
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parents:
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changeset
|
373 results[f] = None |
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parents:
diff
changeset
|
374 |
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parents:
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changeset
|
375 nf = iter(auditpass).next |
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376 for st in util.statfiles([join(f) for f in auditpass]): |
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377 f = nf() |
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diff
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|
378 if st or f in dmap: |
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parents:
diff
changeset
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379 results[f] = st |
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parents:
diff
changeset
|
380 |
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Martijn Pieters <mjpieters@fb.com>
parents:
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changeset
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381 for s in subrepos: |
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parents:
diff
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|
382 del results[s] |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
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|
383 del results['.hg'] |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
384 return results |
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parents:
diff
changeset
|
385 |
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parents:
diff
changeset
|
386 def overridestatus( |
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|
387 orig, self, node1='.', node2=None, match=None, ignored=False, |
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parents:
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changeset
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388 clean=False, unknown=False, listsubrepos=False): |
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parents:
diff
changeset
|
389 listignored = ignored |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
390 listclean = clean |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
391 listunknown = unknown |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
392 |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
393 def _cmpsets(l1, l2): |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
394 try: |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
395 if 'FSMONITOR_LOG_FILE' in os.environ: |
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parents:
diff
changeset
|
396 fn = os.environ['FSMONITOR_LOG_FILE'] |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
397 f = open(fn, 'wb') |
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parents:
diff
changeset
|
398 else: |
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parents:
diff
changeset
|
399 fn = 'fsmonitorfail.log' |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
400 f = self.opener(fn, 'wb') |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
401 except (IOError, OSError): |
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parents:
diff
changeset
|
402 self.ui.warn(_('warning: unable to write to %s\n') % fn) |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
403 return |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
404 |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
405 try: |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
406 for i, (s1, s2) in enumerate(zip(l1, l2)): |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
407 if set(s1) != set(s2): |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
408 f.write('sets at position %d are unequal\n' % i) |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
409 f.write('watchman returned: %s\n' % s1) |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
410 f.write('stat returned: %s\n' % s2) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
411 finally: |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
412 f.close() |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
413 |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
414 if isinstance(node1, context.changectx): |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
415 ctx1 = node1 |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
416 else: |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
417 ctx1 = self[node1] |
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parents:
diff
changeset
|
418 if isinstance(node2, context.changectx): |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
419 ctx2 = node2 |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
420 else: |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
421 ctx2 = self[node2] |
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parents:
diff
changeset
|
422 |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
423 working = ctx2.rev() is None |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
424 parentworking = working and ctx1 == self['.'] |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
425 match = match or matchmod.always(self.root, self.getcwd()) |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
426 |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
427 # Maybe we can use this opportunity to update Watchman's state. |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
428 # Mercurial uses workingcommitctx and/or memctx to represent the part of |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
429 # the workingctx that is to be committed. So don't update the state in |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
430 # that case. |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
431 # HG_PENDING is set in the environment when the dirstate is being updated |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
432 # in the middle of a transaction; we must not update our state in that |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
433 # case, or we risk forgetting about changes in the working copy. |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
434 updatestate = (parentworking and match.always() and |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
435 not isinstance(ctx2, (context.workingcommitctx, |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
436 context.memctx)) and |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
437 'HG_PENDING' not in os.environ) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
438 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
439 try: |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
440 if self._fsmonitorstate.walk_on_invalidate: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
441 # Use a short timeout to query the current clock. If that |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
442 # takes too long then we assume that the service will be slow |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
443 # to answer our query. |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
444 # walk_on_invalidate indicates that we prefer to walk the |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
445 # tree ourselves because we can ignore portions that Watchman |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
446 # cannot and we tend to be faster in the warmer buffer cache |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
447 # cases. |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
448 self._watchmanclient.settimeout(0.1) |
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parents:
diff
changeset
|
449 else: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
450 # Give Watchman more time to potentially complete its walk |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
451 # and return the initial clock. In this mode we assume that |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
452 # the filesystem will be slower than parsing a potentially |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
453 # very large Watchman result set. |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
454 self._watchmanclient.settimeout( |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
455 self._fsmonitorstate.timeout + 0.1) |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
456 startclock = self._watchmanclient.getcurrentclock() |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
457 except Exception as ex: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
458 self._watchmanclient.clearconnection() |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
459 _handleunavailable(self.ui, self._fsmonitorstate, ex) |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
460 # boo, Watchman failed. bail |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
461 return orig(node1, node2, match, listignored, listclean, |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
462 listunknown, listsubrepos) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
463 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
464 if updatestate: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
465 # We need info about unknown files. This may make things slower the |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
466 # first time, but whatever. |
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parents:
diff
changeset
|
467 stateunknown = True |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
468 else: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
469 stateunknown = listunknown |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
470 |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
471 r = orig(node1, node2, match, listignored, listclean, stateunknown, |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
472 listsubrepos) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
473 modified, added, removed, deleted, unknown, ignored, clean = r |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
474 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
475 if updatestate: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
476 notefiles = modified + added + removed + deleted + unknown |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
477 self._fsmonitorstate.set( |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
478 self._fsmonitorstate.getlastclock() or startclock, |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
479 _hashignore(self.dirstate._ignore), |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
480 notefiles) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
481 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
482 if not listunknown: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
483 unknown = [] |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
484 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
485 # don't do paranoid checks if we're not going to query Watchman anyway |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
486 full = listclean or match.traversedir is not None |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
487 if self._fsmonitorstate.mode == 'paranoid' and not full: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
488 # run status again and fall back to the old walk this time |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
489 self.dirstate._fsmonitordisable = True |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
490 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
491 # shut the UI up |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
492 quiet = self.ui.quiet |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
493 self.ui.quiet = True |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
494 fout, ferr = self.ui.fout, self.ui.ferr |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
495 self.ui.fout = self.ui.ferr = open(os.devnull, 'wb') |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
496 |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
497 try: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
498 rv2 = orig( |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
499 node1, node2, match, listignored, listclean, listunknown, |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
500 listsubrepos) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
501 finally: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
502 self.dirstate._fsmonitordisable = False |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
503 self.ui.quiet = quiet |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
504 self.ui.fout, self.ui.ferr = fout, ferr |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
505 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
506 # clean isn't tested since it's set to True above |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
507 _cmpsets([modified, added, removed, deleted, unknown, ignored, clean], |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
508 rv2) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
509 modified, added, removed, deleted, unknown, ignored, clean = rv2 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
510 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
511 return scmutil.status( |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
512 modified, added, removed, deleted, unknown, ignored, clean) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
513 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
514 def makedirstate(cls): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
515 class fsmonitordirstate(cls): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
516 def _fsmonitorinit(self, fsmonitorstate, watchmanclient): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
517 # _fsmonitordisable is used in paranoid mode |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
518 self._fsmonitordisable = False |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
519 self._fsmonitorstate = fsmonitorstate |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
520 self._watchmanclient = watchmanclient |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
521 |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
522 def walk(self, *args, **kwargs): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
523 orig = super(fsmonitordirstate, self).walk |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
524 if self._fsmonitordisable: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
525 return orig(*args, **kwargs) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
526 return overridewalk(orig, self, *args, **kwargs) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
527 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
528 def rebuild(self, *args, **kwargs): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
529 self._fsmonitorstate.invalidate() |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
530 return super(fsmonitordirstate, self).rebuild(*args, **kwargs) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
531 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
532 def invalidate(self, *args, **kwargs): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
533 self._fsmonitorstate.invalidate() |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
534 return super(fsmonitordirstate, self).invalidate(*args, **kwargs) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
535 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
536 return fsmonitordirstate |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
537 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
538 def wrapdirstate(orig, self): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
539 ds = orig(self) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
540 # only override the dirstate when Watchman is available for the repo |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
541 if util.safehasattr(self, '_fsmonitorstate'): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
542 ds.__class__ = makedirstate(ds.__class__) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
543 ds._fsmonitorinit(self._fsmonitorstate, self._watchmanclient) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
544 return ds |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
545 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
546 def extsetup(ui): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
547 wrapfilecache(localrepo.localrepository, 'dirstate', wrapdirstate) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
548 if sys.platform == 'darwin': |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
549 # An assist for avoiding the dangling-symlink fsevents bug |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
550 extensions.wrapfunction(os, 'symlink', wrapsymlink) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
551 |
28443
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
552 extensions.wrapfunction(merge, 'update', wrapupdate) |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
553 |
28433
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
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554 def wrapsymlink(orig, source, link_name): |
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parents:
diff
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555 ''' if we create a dangling symlink, also touch the parent dir |
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parents:
diff
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556 to encourage fsevents notifications to work more correctly ''' |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
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557 try: |
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parents:
diff
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|
558 return orig(source, link_name) |
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parents:
diff
changeset
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559 finally: |
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parents:
diff
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|
560 try: |
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parents:
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561 os.utime(os.path.dirname(link_name), None) |
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562 except OSError: |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
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|
563 pass |
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parents:
diff
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|
564 |
28443
49d65663d7e4
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565 class state_update(object): |
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parents:
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566 ''' This context mananger is responsible for dispatching the state-enter |
49d65663d7e4
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Martijn Pieters <mjpieters@fb.com>
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567 and state-leave signals to the watchman service ''' |
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|
568 |
49d65663d7e4
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parents:
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|
569 def __init__(self, repo, node, distance, partial): |
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parents:
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570 self.repo = repo |
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571 self.node = node |
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Martijn Pieters <mjpieters@fb.com>
parents:
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572 self.distance = distance |
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573 self.partial = partial |
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|
574 |
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fsmonitor: hook up state-enter, state-leave signals
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diff
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575 def __enter__(self): |
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576 self._state('state-enter') |
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577 return self |
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parents:
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|
578 |
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parents:
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|
579 def __exit__(self, type_, value, tb): |
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580 status = 'ok' if type_ is None else 'failed' |
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diff
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|
581 self._state('state-leave', status=status) |
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parents:
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diff
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|
582 |
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parents:
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diff
changeset
|
583 def _state(self, cmd, status='ok'): |
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parents:
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diff
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584 if not util.safehasattr(self.repo, '_watchmanclient'): |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
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parents:
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diff
changeset
|
585 return |
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Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
586 try: |
49d65663d7e4
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diff
changeset
|
587 commithash = self.repo[self.node].hex() |
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Martijn Pieters <mjpieters@fb.com>
parents:
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diff
changeset
|
588 self.repo._watchmanclient.command(cmd, { |
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parents:
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589 'name': 'hg.update', |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
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|
590 'metadata': { |
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fsmonitor: hook up state-enter, state-leave signals
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diff
changeset
|
591 # the target revision |
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Martijn Pieters <mjpieters@fb.com>
parents:
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diff
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|
592 'rev': commithash, |
49d65663d7e4
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parents:
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diff
changeset
|
593 # approximate number of commits between current and target |
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parents:
28433
diff
changeset
|
594 'distance': self.distance, |
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Martijn Pieters <mjpieters@fb.com>
parents:
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diff
changeset
|
595 # success/failure (only really meaningful for state-leave) |
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Martijn Pieters <mjpieters@fb.com>
parents:
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diff
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596 'status': status, |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
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diff
changeset
|
597 # whether the working copy parent is changing |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
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parents:
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diff
changeset
|
598 'partial': self.partial, |
49d65663d7e4
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parents:
28433
diff
changeset
|
599 }}) |
49d65663d7e4
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Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
600 except Exception as e: |
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fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
601 # Swallow any errors; fire and forget |
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fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
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diff
changeset
|
602 self.repo.ui.log( |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
603 'watchman', 'Exception %s while running %s\n', e, cmd) |
49d65663d7e4
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parents:
28433
diff
changeset
|
604 |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
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parents:
28433
diff
changeset
|
605 # Bracket working copy updates with calls to the watchman state-enter |
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fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
606 # and state-leave commands. This allows clients to perform more intelligent |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
607 # settling during bulk file change scenarios |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
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parents:
28433
diff
changeset
|
608 # https://facebook.github.io/watchman/docs/cmd/subscribe.html#advanced-settling |
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parents:
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diff
changeset
|
609 def wrapupdate(orig, repo, node, branchmerge, force, ancestor=None, |
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fsmonitor: hook up state-enter, state-leave signals
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parents:
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diff
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|
610 mergeancestor=False, labels=None, matcher=None, **kwargs): |
49d65663d7e4
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parents:
28433
diff
changeset
|
611 |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
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parents:
28433
diff
changeset
|
612 distance = 0 |
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parents:
28433
diff
changeset
|
613 partial = True |
49d65663d7e4
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Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
614 if matcher is None or matcher.always(): |
49d65663d7e4
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Martijn Pieters <mjpieters@fb.com>
parents:
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diff
changeset
|
615 partial = False |
49d65663d7e4
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Martijn Pieters <mjpieters@fb.com>
parents:
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diff
changeset
|
616 wc = repo[None] |
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Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
617 parents = wc.parents() |
49d65663d7e4
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Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
618 if len(parents) == 2: |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
619 anc = repo.changelog.ancestor(parents[0].node(), parents[1].node()) |
49d65663d7e4
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Martijn Pieters <mjpieters@fb.com>
parents:
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diff
changeset
|
620 ancrev = repo[anc].rev() |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
621 distance = abs(repo[node].rev() - ancrev) |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
622 elif len(parents) == 1: |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
623 distance = abs(repo[node].rev() - parents[0].rev()) |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
624 |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
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diff
changeset
|
625 with state_update(repo, node, distance, partial): |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
626 return orig( |
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parents:
28433
diff
changeset
|
627 repo, node, branchmerge, force, ancestor, mergeancestor, |
49d65663d7e4
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Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
628 labels, matcher, *kwargs) |
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Martijn Pieters <mjpieters@fb.com>
parents:
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diff
changeset
|
629 |
28433
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
630 def reposetup(ui, repo): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
631 # We don't work with largefiles or inotify |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
632 exts = extensions.enabled() |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
633 for ext in _blacklist: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
634 if ext in exts: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
635 ui.warn(_('The fsmonitor extension is incompatible with the %s ' |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
636 'extension and has been disabled.\n') % ext) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
637 return |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
638 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
639 if util.safehasattr(repo, 'dirstate'): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
640 # We don't work with subrepos either. Note that we can get passed in |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
641 # e.g. a statichttprepo, which throws on trying to access the substate. |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
642 # XXX This sucks. |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
643 try: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
644 # if repo[None].substate can cause a dirstate parse, which is too |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
645 # slow. Instead, look for a file called hgsubstate, |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
646 if repo.wvfs.exists('.hgsubstate') or repo.wvfs.exists('.hgsub'): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
647 return |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
648 except AttributeError: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
649 return |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
650 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
651 fsmonitorstate = state.state(repo) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
652 if fsmonitorstate.mode == 'off': |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
653 return |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
654 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
655 try: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
656 client = watchmanclient.client(repo) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
657 except Exception as ex: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
658 _handleunavailable(ui, fsmonitorstate, ex) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
659 return |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
660 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
661 repo._fsmonitorstate = fsmonitorstate |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
662 repo._watchmanclient = client |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
663 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
664 # at this point since fsmonitorstate wasn't present, repo.dirstate is |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
665 # not a fsmonitordirstate |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
666 repo.dirstate.__class__ = makedirstate(repo.dirstate.__class__) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
667 # nuke the dirstate so that _fsmonitorinit and subsequent configuration |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
668 # changes take effect on it |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
669 del repo._filecache['dirstate'] |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
670 delattr(repo.unfiltered(), 'dirstate') |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
671 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
672 class fsmonitorrepo(repo.__class__): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
673 def status(self, *args, **kwargs): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
674 orig = super(fsmonitorrepo, self).status |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
675 return overridestatus(orig, self, *args, **kwargs) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
676 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
677 repo.__class__ = fsmonitorrepo |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
678 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
679 def wrapfilecache(cls, propname, wrapper): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
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680 """Wraps a filecache property. These can't be wrapped using the normal |
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Martijn Pieters <mjpieters@fb.com>
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681 wrapfunction. This should eventually go into upstream Mercurial. |
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682 """ |
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683 assert callable(wrapper) |
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684 for currcls in cls.__mro__: |
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685 if propname in currcls.__dict__: |
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686 origfn = currcls.__dict__[propname].func |
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687 assert callable(origfn) |
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688 def wrap(*args, **kwargs): |
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689 return wrapper(origfn, *args, **kwargs) |
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690 currcls.__dict__[propname].func = wrap |
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fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
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691 break |
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692 |
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693 if currcls is object: |
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694 raise AttributeError( |
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695 _("type '%s' has no property '%s'") % (cls, propname)) |