Mercurial > hg
annotate hgext/fsmonitor/__init__.py @ 29205:a0939666b836
py3: move up symbol imports to enforce import-checker rules
Since (b) is banned, we should do the same for (a) for consistency.
a) from mercurial import hg
from mercurial.i18n import _
b) from . import hg
from .i18n import _
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sat, 14 May 2016 14:03:12 +0900 |
parents | 49d65663d7e4 |
children | 0d83ad967bf8 |
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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 os |
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95 import stat |
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96 import sys |
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97 |
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98 from mercurial.i18n import _ |
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99 from mercurial import ( |
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100 context, |
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101 extensions, |
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102 localrepo, |
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103 merge, |
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104 pathutil, |
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105 scmutil, |
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106 util, |
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107 ) |
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108 from mercurial import match as matchmod |
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109 |
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110 from . import ( |
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111 state, |
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112 watchmanclient, |
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113 ) |
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114 |
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115 # Note for extension authors: ONLY specify testedwith = 'internal' for |
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116 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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117 # be specifying the version(s) of Mercurial they are tested with, or |
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118 # leave the attribute unspecified. |
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119 testedwith = 'internal' |
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120 |
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121 # This extension is incompatible with the following blacklisted extensions |
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122 # and will disable itself when encountering one of these: |
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123 _blacklist = ['largefiles', 'eol'] |
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124 |
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125 def _handleunavailable(ui, state, ex): |
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126 """Exception handler for Watchman interaction exceptions""" |
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127 if isinstance(ex, watchmanclient.Unavailable): |
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128 if ex.warn: |
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129 ui.warn(str(ex) + '\n') |
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130 if ex.invalidate: |
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131 state.invalidate() |
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132 ui.log('fsmonitor', 'Watchman unavailable: %s\n', ex.msg) |
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133 else: |
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134 ui.log('fsmonitor', 'Watchman exception: %s\n', ex) |
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135 |
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136 def _hashignore(ignore): |
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137 """Calculate hash for ignore patterns and filenames |
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138 |
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139 If this information changes between Mercurial invocations, we can't |
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140 rely on Watchman information anymore and have to re-scan the working |
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141 copy. |
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142 |
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143 """ |
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144 sha1 = util.sha1() |
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145 if util.safehasattr(ignore, 'includepat'): |
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146 sha1.update(ignore.includepat) |
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147 sha1.update('\0\0') |
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148 if util.safehasattr(ignore, 'excludepat'): |
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149 sha1.update(ignore.excludepat) |
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150 sha1.update('\0\0') |
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151 if util.safehasattr(ignore, 'patternspat'): |
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152 sha1.update(ignore.patternspat) |
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153 sha1.update('\0\0') |
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154 if util.safehasattr(ignore, '_files'): |
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155 for f in ignore._files: |
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156 sha1.update(f) |
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157 sha1.update('\0') |
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158 return sha1.hexdigest() |
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159 |
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160 def overridewalk(orig, self, match, subrepos, unknown, ignored, full=True): |
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161 '''Replacement for dirstate.walk, hooking into Watchman. |
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162 |
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163 Whenever full is False, ignored is False, and the Watchman client is |
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164 available, use Watchman combined with saved state to possibly return only a |
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165 subset of files.''' |
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166 def bail(): |
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167 return orig(match, subrepos, unknown, ignored, full=True) |
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168 |
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169 if full or ignored or not self._watchmanclient.available(): |
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170 return bail() |
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171 state = self._fsmonitorstate |
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172 clock, ignorehash, notefiles = state.get() |
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173 if not clock: |
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174 if state.walk_on_invalidate: |
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175 return bail() |
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176 # Initial NULL clock value, see |
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177 # https://facebook.github.io/watchman/docs/clockspec.html |
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178 clock = 'c:0:0' |
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179 notefiles = [] |
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180 |
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181 def fwarn(f, msg): |
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182 self._ui.warn('%s: %s\n' % (self.pathto(f), msg)) |
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183 return False |
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184 |
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185 def badtype(mode): |
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186 kind = _('unknown') |
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187 if stat.S_ISCHR(mode): |
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188 kind = _('character device') |
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189 elif stat.S_ISBLK(mode): |
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190 kind = _('block device') |
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191 elif stat.S_ISFIFO(mode): |
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192 kind = _('fifo') |
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193 elif stat.S_ISSOCK(mode): |
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194 kind = _('socket') |
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195 elif stat.S_ISDIR(mode): |
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196 kind = _('directory') |
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197 return _('unsupported file type (type is %s)') % kind |
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198 |
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199 ignore = self._ignore |
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200 dirignore = self._dirignore |
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201 if unknown: |
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202 if _hashignore(ignore) != ignorehash and clock != 'c:0:0': |
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203 # ignore list changed -- can't rely on Watchman state any more |
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204 if state.walk_on_invalidate: |
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205 return bail() |
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206 notefiles = [] |
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207 clock = 'c:0:0' |
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208 else: |
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209 # always ignore |
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210 ignore = util.always |
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211 dirignore = util.always |
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212 |
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213 matchfn = match.matchfn |
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214 matchalways = match.always() |
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215 dmap = self._map |
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216 nonnormalset = getattr(self, '_nonnormalset', None) |
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217 |
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218 copymap = self._copymap |
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219 getkind = stat.S_IFMT |
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220 dirkind = stat.S_IFDIR |
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221 regkind = stat.S_IFREG |
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222 lnkkind = stat.S_IFLNK |
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223 join = self._join |
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224 normcase = util.normcase |
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225 fresh_instance = False |
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226 |
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227 exact = skipstep3 = False |
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228 if matchfn == match.exact: # match.exact |
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229 exact = True |
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230 dirignore = util.always # skip step 2 |
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231 elif match.files() and not match.anypats(): # match.match, no patterns |
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232 skipstep3 = True |
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233 |
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234 if not exact and self._checkcase: |
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235 # note that even though we could receive directory entries, we're only |
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236 # interested in checking if a file with the same name exists. So only |
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237 # normalize files if possible. |
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238 normalize = self._normalizefile |
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239 skipstep3 = False |
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240 else: |
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241 normalize = None |
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242 |
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243 # step 1: find all explicit files |
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244 results, work, dirsnotfound = self._walkexplicit(match, subrepos) |
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245 |
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246 skipstep3 = skipstep3 and not (work or dirsnotfound) |
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247 work = [d for d in work if not dirignore(d[0])] |
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248 |
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249 if not work and (exact or skipstep3): |
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250 for s in subrepos: |
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251 del results[s] |
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252 del results['.hg'] |
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253 return results |
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254 |
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255 # step 2: query Watchman |
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256 try: |
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257 # Use the user-configured timeout for the query. |
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258 # Add a little slack over the top of the user query to allow for |
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259 # overheads while transferring the data |
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260 self._watchmanclient.settimeout(state.timeout + 0.1) |
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261 result = self._watchmanclient.command('query', { |
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262 'fields': ['mode', 'mtime', 'size', 'exists', 'name'], |
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263 'since': clock, |
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264 'expression': [ |
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265 'not', [ |
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266 'anyof', ['dirname', '.hg'], |
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267 ['name', '.hg', 'wholename'] |
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268 ] |
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269 ], |
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270 'sync_timeout': int(state.timeout * 1000), |
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271 'empty_on_fresh_instance': state.walk_on_invalidate, |
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272 }) |
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273 except Exception as ex: |
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274 _handleunavailable(self._ui, state, ex) |
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275 self._watchmanclient.clearconnection() |
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276 return bail() |
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277 else: |
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278 # We need to propagate the last observed clock up so that we |
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279 # can use it for our next query |
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280 state.setlastclock(result['clock']) |
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281 if result['is_fresh_instance']: |
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282 if state.walk_on_invalidate: |
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283 state.invalidate() |
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284 return bail() |
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285 fresh_instance = True |
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286 # Ignore any prior noteable files from the state info |
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287 notefiles = [] |
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288 |
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289 # for file paths which require normalization and we encounter a case |
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290 # collision, we store our own foldmap |
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291 if normalize: |
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292 foldmap = dict((normcase(k), k) for k in results) |
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293 |
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294 switch_slashes = os.sep == '\\' |
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295 # The order of the results is, strictly speaking, undefined. |
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296 # For case changes on a case insensitive filesystem we may receive |
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297 # two entries, one with exists=True and another with exists=False. |
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298 # The exists=True entries in the same response should be interpreted |
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299 # as being happens-after the exists=False entries due to the way that |
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300 # Watchman tracks files. We use this property to reconcile deletes |
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301 # for name case changes. |
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302 for entry in result['files']: |
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303 fname = entry['name'] |
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304 if switch_slashes: |
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305 fname = fname.replace('\\', '/') |
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306 if normalize: |
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307 normed = normcase(fname) |
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308 fname = normalize(fname, True, True) |
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309 foldmap[normed] = fname |
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310 fmode = entry['mode'] |
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311 fexists = entry['exists'] |
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312 kind = getkind(fmode) |
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313 |
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314 if not fexists: |
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315 # if marked as deleted and we don't already have a change |
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316 # record, mark it as deleted. If we already have an entry |
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317 # for fname then it was either part of walkexplicit or was |
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318 # an earlier result that was a case change |
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319 if fname not in results and fname in dmap and ( |
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320 matchalways or matchfn(fname)): |
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321 results[fname] = None |
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322 elif kind == dirkind: |
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323 if fname in dmap and (matchalways or matchfn(fname)): |
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324 results[fname] = None |
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325 elif kind == regkind or kind == lnkkind: |
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326 if fname in dmap: |
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327 if matchalways or matchfn(fname): |
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328 results[fname] = entry |
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329 elif (matchalways or matchfn(fname)) and not ignore(fname): |
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330 results[fname] = entry |
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331 elif fname in dmap and (matchalways or matchfn(fname)): |
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332 results[fname] = None |
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333 |
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334 # step 3: query notable files we don't already know about |
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335 # XXX try not to iterate over the entire dmap |
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336 if normalize: |
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337 # any notable files that have changed case will already be handled |
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338 # above, so just check membership in the foldmap |
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339 notefiles = set((normalize(f, True, True) for f in notefiles |
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340 if normcase(f) not in foldmap)) |
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341 visit = set((f for f in notefiles if (f not in results and matchfn(f) |
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342 and (f in dmap or not ignore(f))))) |
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343 |
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344 if nonnormalset is not None and not fresh_instance: |
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345 if matchalways: |
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346 visit.update(f for f in nonnormalset if f not in results) |
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347 visit.update(f for f in copymap if f not in results) |
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348 else: |
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349 visit.update(f for f in nonnormalset |
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350 if f not in results and matchfn(f)) |
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351 visit.update(f for f in copymap |
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352 if f not in results and matchfn(f)) |
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353 else: |
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354 if matchalways: |
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355 visit.update(f for f, st in dmap.iteritems() |
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356 if (f not in results and |
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357 (st[2] < 0 or st[0] != 'n' or fresh_instance))) |
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358 visit.update(f for f in copymap if f not in results) |
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359 else: |
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360 visit.update(f for f, st in dmap.iteritems() |
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361 if (f not in results and |
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362 (st[2] < 0 or st[0] != 'n' or fresh_instance) |
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363 and matchfn(f))) |
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parents:
diff
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|
364 visit.update(f for f in copymap |
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parents:
diff
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|
365 if f not in results and matchfn(f)) |
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|
366 |
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367 audit = pathutil.pathauditor(self._root).check |
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368 auditpass = [f for f in visit if audit(f)] |
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369 auditpass.sort() |
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370 auditfail = visit.difference(auditpass) |
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|
371 for f in auditfail: |
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changeset
|
372 results[f] = None |
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diff
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|
373 |
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374 nf = iter(auditpass).next |
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375 for st in util.statfiles([join(f) for f in auditpass]): |
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376 f = nf() |
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377 if st or f in dmap: |
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changeset
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378 results[f] = st |
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|
379 |
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changeset
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380 for s in subrepos: |
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parents:
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381 del results[s] |
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parents:
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382 del results['.hg'] |
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diff
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383 return results |
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parents:
diff
changeset
|
384 |
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parents:
diff
changeset
|
385 def overridestatus( |
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386 orig, self, node1='.', node2=None, match=None, ignored=False, |
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parents:
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387 clean=False, unknown=False, listsubrepos=False): |
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388 listignored = ignored |
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parents:
diff
changeset
|
389 listclean = clean |
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parents:
diff
changeset
|
390 listunknown = unknown |
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parents:
diff
changeset
|
391 |
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parents:
diff
changeset
|
392 def _cmpsets(l1, l2): |
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parents:
diff
changeset
|
393 try: |
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parents:
diff
changeset
|
394 if 'FSMONITOR_LOG_FILE' in os.environ: |
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parents:
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changeset
|
395 fn = os.environ['FSMONITOR_LOG_FILE'] |
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parents:
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changeset
|
396 f = open(fn, 'wb') |
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parents:
diff
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|
397 else: |
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parents:
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changeset
|
398 fn = 'fsmonitorfail.log' |
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parents:
diff
changeset
|
399 f = self.opener(fn, 'wb') |
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parents:
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|
400 except (IOError, OSError): |
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parents:
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|
401 self.ui.warn(_('warning: unable to write to %s\n') % fn) |
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parents:
diff
changeset
|
402 return |
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parents:
diff
changeset
|
403 |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
404 try: |
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parents:
diff
changeset
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405 for i, (s1, s2) in enumerate(zip(l1, l2)): |
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parents:
diff
changeset
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406 if set(s1) != set(s2): |
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parents:
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changeset
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407 f.write('sets at position %d are unequal\n' % i) |
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parents:
diff
changeset
|
408 f.write('watchman returned: %s\n' % s1) |
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parents:
diff
changeset
|
409 f.write('stat returned: %s\n' % s2) |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
410 finally: |
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parents:
diff
changeset
|
411 f.close() |
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parents:
diff
changeset
|
412 |
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parents:
diff
changeset
|
413 if isinstance(node1, context.changectx): |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
414 ctx1 = node1 |
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parents:
diff
changeset
|
415 else: |
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parents:
diff
changeset
|
416 ctx1 = self[node1] |
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parents:
diff
changeset
|
417 if isinstance(node2, context.changectx): |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
418 ctx2 = node2 |
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parents:
diff
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|
419 else: |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
420 ctx2 = self[node2] |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
421 |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
422 working = ctx2.rev() is None |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
423 parentworking = working and ctx1 == self['.'] |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
424 match = match or matchmod.always(self.root, self.getcwd()) |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
425 |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
426 # Maybe we can use this opportunity to update Watchman's state. |
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fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
427 # Mercurial uses workingcommitctx and/or memctx to represent the part of |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
428 # 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
|
429 # that case. |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
430 # 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
|
431 # 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
|
432 # case, or we risk forgetting about changes in the working copy. |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
433 updatestate = (parentworking and match.always() and |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
434 not isinstance(ctx2, (context.workingcommitctx, |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
435 context.memctx)) and |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
436 'HG_PENDING' not in os.environ) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
437 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
438 try: |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
439 if self._fsmonitorstate.walk_on_invalidate: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
440 # Use a short timeout to query the current clock. If that |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
441 # 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
|
442 # to answer our query. |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
443 # walk_on_invalidate indicates that we prefer to walk the |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
444 # tree ourselves because we can ignore portions that Watchman |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
445 # 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
|
446 # cases. |
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Martijn Pieters <mjpieters@fb.com>
parents:
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changeset
|
447 self._watchmanclient.settimeout(0.1) |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
448 else: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
449 # Give Watchman more time to potentially complete its walk |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
450 # and return the initial clock. In this mode we assume that |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
451 # the filesystem will be slower than parsing a potentially |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
452 # very large Watchman result set. |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
453 self._watchmanclient.settimeout( |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
454 self._fsmonitorstate.timeout + 0.1) |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
455 startclock = self._watchmanclient.getcurrentclock() |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
456 except Exception as ex: |
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fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
457 self._watchmanclient.clearconnection() |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
458 _handleunavailable(self.ui, self._fsmonitorstate, ex) |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
459 # boo, Watchman failed. bail |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
460 return orig(node1, node2, match, listignored, listclean, |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
461 listunknown, listsubrepos) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
462 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
463 if updatestate: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
464 # We need info about unknown files. This may make things slower the |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
465 # first time, but whatever. |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
466 stateunknown = True |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
467 else: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
468 stateunknown = listunknown |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
469 |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
470 r = orig(node1, node2, match, listignored, listclean, stateunknown, |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
471 listsubrepos) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
472 modified, added, removed, deleted, unknown, ignored, clean = r |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
473 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
474 if updatestate: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
475 notefiles = modified + added + removed + deleted + unknown |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
476 self._fsmonitorstate.set( |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
477 self._fsmonitorstate.getlastclock() or startclock, |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
478 _hashignore(self.dirstate._ignore), |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
479 notefiles) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
480 |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
481 if not listunknown: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
482 unknown = [] |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
483 |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
484 # 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
|
485 full = listclean or match.traversedir is not None |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
486 if self._fsmonitorstate.mode == 'paranoid' and not full: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
487 # run status again and fall back to the old walk this time |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
488 self.dirstate._fsmonitordisable = True |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
489 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
490 # shut the UI up |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
491 quiet = self.ui.quiet |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
492 self.ui.quiet = True |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
493 fout, ferr = self.ui.fout, self.ui.ferr |
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parents:
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changeset
|
494 self.ui.fout = self.ui.ferr = open(os.devnull, 'wb') |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
495 |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
496 try: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
497 rv2 = orig( |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
498 node1, node2, match, listignored, listclean, listunknown, |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
499 listsubrepos) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
500 finally: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
501 self.dirstate._fsmonitordisable = False |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
502 self.ui.quiet = quiet |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
503 self.ui.fout, self.ui.ferr = fout, ferr |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
504 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
505 # clean isn't tested since it's set to True above |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
506 _cmpsets([modified, added, removed, deleted, unknown, ignored, clean], |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
507 rv2) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
508 modified, added, removed, deleted, unknown, ignored, clean = rv2 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
509 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
510 return scmutil.status( |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
511 modified, added, removed, deleted, unknown, ignored, clean) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
512 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
513 def makedirstate(cls): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
514 class fsmonitordirstate(cls): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
515 def _fsmonitorinit(self, fsmonitorstate, watchmanclient): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
516 # _fsmonitordisable is used in paranoid mode |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
517 self._fsmonitordisable = False |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
518 self._fsmonitorstate = fsmonitorstate |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
519 self._watchmanclient = watchmanclient |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
520 |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
521 def walk(self, *args, **kwargs): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
522 orig = super(fsmonitordirstate, self).walk |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
523 if self._fsmonitordisable: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
524 return orig(*args, **kwargs) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
525 return overridewalk(orig, self, *args, **kwargs) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
526 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
527 def rebuild(self, *args, **kwargs): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
528 self._fsmonitorstate.invalidate() |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
529 return super(fsmonitordirstate, self).rebuild(*args, **kwargs) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
530 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
531 def invalidate(self, *args, **kwargs): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
532 self._fsmonitorstate.invalidate() |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
533 return super(fsmonitordirstate, self).invalidate(*args, **kwargs) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
534 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
535 return fsmonitordirstate |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
536 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
537 def wrapdirstate(orig, self): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
538 ds = orig(self) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
539 # only override the dirstate when Watchman is available for the repo |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
540 if util.safehasattr(self, '_fsmonitorstate'): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
541 ds.__class__ = makedirstate(ds.__class__) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
542 ds._fsmonitorinit(self._fsmonitorstate, self._watchmanclient) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
543 return ds |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
544 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
545 def extsetup(ui): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
546 wrapfilecache(localrepo.localrepository, 'dirstate', wrapdirstate) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
547 if sys.platform == 'darwin': |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
548 # An assist for avoiding the dangling-symlink fsevents bug |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
549 extensions.wrapfunction(os, 'symlink', wrapsymlink) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
550 |
28443
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
551 extensions.wrapfunction(merge, 'update', wrapupdate) |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
552 |
28433
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
553 def wrapsymlink(orig, source, link_name): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
554 ''' if we create a dangling symlink, also touch the parent dir |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
555 to encourage fsevents notifications to work more correctly ''' |
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fsmonitor: new experimental extension
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parents:
diff
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|
556 try: |
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parents:
diff
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|
557 return orig(source, link_name) |
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parents:
diff
changeset
|
558 finally: |
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parents:
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559 try: |
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parents:
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560 os.utime(os.path.dirname(link_name), None) |
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561 except OSError: |
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parents:
diff
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|
562 pass |
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fsmonitor: new experimental extension
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|
563 |
28443
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564 class state_update(object): |
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565 ''' This context mananger is responsible for dispatching the state-enter |
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566 and state-leave signals to the watchman service ''' |
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567 |
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568 def __init__(self, repo, node, distance, partial): |
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569 self.repo = repo |
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570 self.node = node |
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571 self.distance = distance |
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diff
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572 self.partial = partial |
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573 |
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574 def __enter__(self): |
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575 self._state('state-enter') |
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576 return self |
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parents:
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|
577 |
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578 def __exit__(self, type_, value, tb): |
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579 status = 'ok' if type_ is None else 'failed' |
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580 self._state('state-leave', status=status) |
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581 |
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fsmonitor: hook up state-enter, state-leave signals
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582 def _state(self, cmd, status='ok'): |
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parents:
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583 if not util.safehasattr(self.repo, '_watchmanclient'): |
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fsmonitor: hook up state-enter, state-leave signals
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parents:
28433
diff
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|
584 return |
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fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
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|
585 try: |
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parents:
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586 commithash = self.repo[self.node].hex() |
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587 self.repo._watchmanclient.command(cmd, { |
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parents:
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diff
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588 'name': 'hg.update', |
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parents:
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589 'metadata': { |
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parents:
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diff
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590 # the target revision |
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Martijn Pieters <mjpieters@fb.com>
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591 'rev': commithash, |
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Martijn Pieters <mjpieters@fb.com>
parents:
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592 # approximate number of commits between current and target |
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593 'distance': self.distance, |
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parents:
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diff
changeset
|
594 # 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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595 'status': status, |
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parents:
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596 # whether the working copy parent is changing |
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parents:
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diff
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597 'partial': self.partial, |
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|
598 }}) |
49d65663d7e4
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parents:
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changeset
|
599 except Exception as e: |
49d65663d7e4
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parents:
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diff
changeset
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600 # Swallow any errors; fire and forget |
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parents:
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diff
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|
601 self.repo.ui.log( |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
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diff
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|
602 'watchman', 'Exception %s while running %s\n', e, cmd) |
49d65663d7e4
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Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
603 |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
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parents:
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diff
changeset
|
604 # Bracket working copy updates with calls to the watchman state-enter |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
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diff
changeset
|
605 # and state-leave commands. This allows clients to perform more intelligent |
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parents:
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diff
changeset
|
606 # settling during bulk file change scenarios |
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fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
607 # https://facebook.github.io/watchman/docs/cmd/subscribe.html#advanced-settling |
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parents:
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diff
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|
608 def wrapupdate(orig, repo, node, branchmerge, force, ancestor=None, |
49d65663d7e4
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parents:
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diff
changeset
|
609 mergeancestor=False, labels=None, matcher=None, **kwargs): |
49d65663d7e4
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Martijn Pieters <mjpieters@fb.com>
parents:
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diff
changeset
|
610 |
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Martijn Pieters <mjpieters@fb.com>
parents:
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diff
changeset
|
611 distance = 0 |
49d65663d7e4
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Martijn Pieters <mjpieters@fb.com>
parents:
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|
612 partial = True |
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fsmonitor: hook up state-enter, state-leave signals
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parents:
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diff
changeset
|
613 if matcher is None or matcher.always(): |
49d65663d7e4
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parents:
28433
diff
changeset
|
614 partial = False |
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parents:
28433
diff
changeset
|
615 wc = repo[None] |
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parents:
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diff
changeset
|
616 parents = wc.parents() |
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fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
617 if len(parents) == 2: |
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fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
618 anc = repo.changelog.ancestor(parents[0].node(), parents[1].node()) |
49d65663d7e4
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Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
619 ancrev = repo[anc].rev() |
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fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
620 distance = abs(repo[node].rev() - ancrev) |
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fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
28433
diff
changeset
|
621 elif len(parents) == 1: |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
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parents:
28433
diff
changeset
|
622 distance = abs(repo[node].rev() - parents[0].rev()) |
49d65663d7e4
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parents:
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diff
changeset
|
623 |
49d65663d7e4
fsmonitor: hook up state-enter, state-leave signals
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parents:
28433
diff
changeset
|
624 with state_update(repo, node, distance, partial): |
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fsmonitor: hook up state-enter, state-leave signals
Martijn Pieters <mjpieters@fb.com>
parents:
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diff
changeset
|
625 return orig( |
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Martijn Pieters <mjpieters@fb.com>
parents:
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changeset
|
626 repo, node, branchmerge, force, ancestor, mergeancestor, |
49d65663d7e4
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diff
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|
627 labels, matcher, *kwargs) |
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parents:
28433
diff
changeset
|
628 |
28433
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parents:
diff
changeset
|
629 def reposetup(ui, repo): |
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parents:
diff
changeset
|
630 # We don't work with largefiles or inotify |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
631 exts = extensions.enabled() |
3b67f27bb908
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parents:
diff
changeset
|
632 for ext in _blacklist: |
3b67f27bb908
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parents:
diff
changeset
|
633 if ext in exts: |
3b67f27bb908
fsmonitor: new experimental extension
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parents:
diff
changeset
|
634 ui.warn(_('The fsmonitor extension is incompatible with the %s ' |
3b67f27bb908
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parents:
diff
changeset
|
635 'extension and has been disabled.\n') % ext) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
636 return |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
637 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
638 if util.safehasattr(repo, 'dirstate'): |
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parents:
diff
changeset
|
639 # We don't work with subrepos either. Note that we can get passed in |
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parents:
diff
changeset
|
640 # e.g. a statichttprepo, which throws on trying to access the substate. |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
641 # XXX This sucks. |
3b67f27bb908
fsmonitor: new experimental extension
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parents:
diff
changeset
|
642 try: |
3b67f27bb908
fsmonitor: new experimental extension
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parents:
diff
changeset
|
643 # 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
|
644 # slow. Instead, look for a file called hgsubstate, |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
645 if repo.wvfs.exists('.hgsubstate') or repo.wvfs.exists('.hgsub'): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
646 return |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
647 except AttributeError: |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
648 return |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
649 |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
650 fsmonitorstate = state.state(repo) |
3b67f27bb908
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parents:
diff
changeset
|
651 if fsmonitorstate.mode == 'off': |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
652 return |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
653 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
654 try: |
3b67f27bb908
fsmonitor: new experimental extension
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parents:
diff
changeset
|
655 client = watchmanclient.client(repo) |
3b67f27bb908
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parents:
diff
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|
656 except Exception as ex: |
3b67f27bb908
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parents:
diff
changeset
|
657 _handleunavailable(ui, fsmonitorstate, ex) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
658 return |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
659 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
660 repo._fsmonitorstate = fsmonitorstate |
3b67f27bb908
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parents:
diff
changeset
|
661 repo._watchmanclient = client |
3b67f27bb908
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parents:
diff
changeset
|
662 |
3b67f27bb908
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parents:
diff
changeset
|
663 # at this point since fsmonitorstate wasn't present, repo.dirstate is |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
664 # not a fsmonitordirstate |
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parents:
diff
changeset
|
665 repo.dirstate.__class__ = makedirstate(repo.dirstate.__class__) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
666 # nuke the dirstate so that _fsmonitorinit and subsequent configuration |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
667 # changes take effect on it |
3b67f27bb908
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parents:
diff
changeset
|
668 del repo._filecache['dirstate'] |
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fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
669 delattr(repo.unfiltered(), 'dirstate') |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
670 |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
671 class fsmonitorrepo(repo.__class__): |
3b67f27bb908
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parents:
diff
changeset
|
672 def status(self, *args, **kwargs): |
3b67f27bb908
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parents:
diff
changeset
|
673 orig = super(fsmonitorrepo, self).status |
3b67f27bb908
fsmonitor: new experimental extension
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parents:
diff
changeset
|
674 return overridestatus(orig, self, *args, **kwargs) |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
675 |
3b67f27bb908
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parents:
diff
changeset
|
676 repo.__class__ = fsmonitorrepo |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
677 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
678 def wrapfilecache(cls, propname, wrapper): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
679 """Wraps a filecache property. These can't be wrapped using the normal |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
680 wrapfunction. This should eventually go into upstream Mercurial. |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
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681 """ |
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682 assert callable(wrapper) |
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683 for currcls in cls.__mro__: |
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684 if propname in currcls.__dict__: |
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685 origfn = currcls.__dict__[propname].func |
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686 assert callable(origfn) |
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687 def wrap(*args, **kwargs): |
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688 return wrapper(origfn, *args, **kwargs) |
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689 currcls.__dict__[propname].func = wrap |
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690 break |
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691 |
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692 if currcls is object: |
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693 raise AttributeError( |
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694 _("type '%s' has no property '%s'") % (cls, propname)) |