Mercurial > hg
annotate hgext/fsmonitor/__init__.py @ 41852:db3098d02a6d
setup: exclude some internal UCRT files
When attempting to build the Inno installer locally, I was getting
several file not found errors when py2exe was crawling DLL
dependencies. The missing DLLs appear to be "internal" DLLs
used by the Universal C Runtime (UCRT). In many cases, the
missing DLLs don't appear to exist on my system at all!
Some of the DLLs have version numbers that appear to be N+1
of what the existing version number is. Maybe the "public" UCRT
DLLs are probing for version N+1 at load time and py2exe is
picking these up? Who knows.
This commit adds the non-public UCRT DLLs as found by
py2exe on my system to the excluded DLLs set. After this
change, I'm able to produce an Inno installer with an
appropriate set of DLLs.
Differential Revision: https://phab.mercurial-scm.org/D6065
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sun, 03 Mar 2019 14:08:25 -0800 |
parents | 0531dff73d0b |
children | 57264906a996 |
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 fsmonitor is incompatible with the largefiles and eol extensions, and |
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22 will disable itself if any of those are active. |
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23 |
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24 The following configuration options exist: |
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25 |
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26 :: |
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27 |
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28 [fsmonitor] |
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29 mode = {off, on, paranoid} |
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30 |
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31 When `mode = off`, fsmonitor will disable itself (similar to not loading the |
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32 extension at all). When `mode = on`, fsmonitor will be enabled (the default). |
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33 When `mode = paranoid`, fsmonitor will query both Watchman and the filesystem, |
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34 and ensure that the results are consistent. |
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35 |
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36 :: |
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37 |
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38 [fsmonitor] |
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39 timeout = (float) |
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40 |
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41 A value, in seconds, that determines how long fsmonitor will wait for Watchman |
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42 to return results. Defaults to `2.0`. |
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43 |
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44 :: |
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45 |
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46 [fsmonitor] |
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47 blacklistusers = (list of userids) |
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48 |
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49 A list of usernames for which fsmonitor will disable itself altogether. |
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50 |
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51 :: |
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52 |
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53 [fsmonitor] |
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54 walk_on_invalidate = (boolean) |
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55 |
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56 Whether or not to walk the whole repo ourselves when our cached state has been |
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57 invalidated, for example when Watchman has been restarted or .hgignore rules |
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58 have been changed. Walking the repo in that case can result in competing for |
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59 I/O with Watchman. For large repos it is recommended to set this value to |
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60 false. You may wish to set this to true if you have a very fast filesystem |
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61 that can outpace the IPC overhead of getting the result data for the full repo |
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62 from Watchman. Defaults to false. |
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63 |
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64 :: |
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65 |
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66 [fsmonitor] |
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67 warn_when_unused = (boolean) |
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68 |
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69 Whether to print a warning during certain operations when fsmonitor would be |
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70 beneficial to performance but isn't enabled. |
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71 |
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72 :: |
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73 |
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74 [fsmonitor] |
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75 warn_update_file_count = (integer) |
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76 |
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77 If ``warn_when_unused`` is set and fsmonitor isn't enabled, a warning will |
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78 be printed during working directory updates if this many files will be |
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79 created. |
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80 ''' |
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81 |
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82 # Platforms Supported |
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83 # =================== |
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84 # |
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85 # **Linux:** *Stable*. Watchman and fsmonitor are both known to work reliably, |
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86 # even under severe loads. |
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87 # |
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88 # **Mac OS X:** *Stable*. The Mercurial test suite passes with fsmonitor |
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89 # turned on, on case-insensitive HFS+. There has been a reasonable amount of |
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90 # user testing under normal loads. |
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91 # |
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92 # **Solaris, BSD:** *Alpha*. watchman and fsmonitor are believed to work, but |
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93 # very little testing has been done. |
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94 # |
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95 # **Windows:** *Alpha*. Not in a release version of watchman or fsmonitor yet. |
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96 # |
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97 # Known Issues |
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98 # ============ |
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99 # |
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100 # * fsmonitor will disable itself if any of the following extensions are |
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101 # enabled: largefiles, inotify, eol; or if the repository has subrepos. |
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102 # * fsmonitor will produce incorrect results if nested repos that are not |
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103 # subrepos exist. *Workaround*: add nested repo paths to your `.hgignore`. |
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104 # |
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105 # The issues related to nested repos and subrepos are probably not fundamental |
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106 # ones. Patches to fix them are welcome. |
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107 |
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108 from __future__ import absolute_import |
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109 |
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110 import codecs |
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111 import hashlib |
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112 import os |
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113 import stat |
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114 import sys |
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115 import weakref |
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116 |
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117 from mercurial.i18n import _ |
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118 from mercurial.node import ( |
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119 hex, |
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120 ) |
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121 |
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122 from mercurial import ( |
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123 context, |
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124 encoding, |
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125 error, |
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126 extensions, |
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127 localrepo, |
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128 merge, |
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129 pathutil, |
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130 pycompat, |
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131 registrar, |
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132 scmutil, |
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133 util, |
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134 ) |
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135 from mercurial import match as matchmod |
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136 |
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137 from . import ( |
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138 pywatchman, |
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139 state, |
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140 watchmanclient, |
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141 ) |
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142 |
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143 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
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144 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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145 # be specifying the version(s) of Mercurial they are tested with, or |
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146 # leave the attribute unspecified. |
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147 testedwith = 'ships-with-hg-core' |
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148 |
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149 configtable = {} |
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150 configitem = registrar.configitem(configtable) |
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151 |
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152 configitem('fsmonitor', 'mode', |
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153 default='on', |
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154 ) |
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155 configitem('fsmonitor', 'walk_on_invalidate', |
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156 default=False, |
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157 ) |
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158 configitem('fsmonitor', 'timeout', |
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159 default='2', |
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160 ) |
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161 configitem('fsmonitor', 'blacklistusers', |
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162 default=list, |
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163 ) |
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164 configitem('fsmonitor', 'verbose', |
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165 default=True, |
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166 ) |
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167 configitem('experimental', 'fsmonitor.transaction_notify', |
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168 default=False, |
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169 ) |
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170 |
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171 # This extension is incompatible with the following blacklisted extensions |
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172 # and will disable itself when encountering one of these: |
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173 _blacklist = ['largefiles', 'eol'] |
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174 |
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175 def _handleunavailable(ui, state, ex): |
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176 """Exception handler for Watchman interaction exceptions""" |
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177 if isinstance(ex, watchmanclient.Unavailable): |
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178 # experimental config: fsmonitor.verbose |
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179 if ex.warn and ui.configbool('fsmonitor', 'verbose'): |
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180 ui.warn(str(ex) + '\n') |
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181 if ex.invalidate: |
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182 state.invalidate() |
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183 # experimental config: fsmonitor.verbose |
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184 if ui.configbool('fsmonitor', 'verbose'): |
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185 ui.log('fsmonitor', 'Watchman unavailable: %s\n', ex.msg) |
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186 else: |
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187 ui.log('fsmonitor', 'Watchman exception: %s\n', ex) |
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188 |
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189 def _hashignore(ignore): |
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190 """Calculate hash for ignore patterns and filenames |
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191 |
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192 If this information changes between Mercurial invocations, we can't |
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193 rely on Watchman information anymore and have to re-scan the working |
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194 copy. |
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195 |
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196 """ |
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197 sha1 = hashlib.sha1() |
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198 sha1.update(repr(ignore)) |
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199 return sha1.hexdigest() |
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200 |
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201 _watchmanencoding = pywatchman.encoding.get_local_encoding() |
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202 _fsencoding = sys.getfilesystemencoding() or sys.getdefaultencoding() |
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203 _fixencoding = codecs.lookup(_watchmanencoding) != codecs.lookup(_fsencoding) |
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204 |
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205 def _watchmantofsencoding(path): |
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206 """Fix path to match watchman and local filesystem encoding |
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207 |
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208 watchman's paths encoding can differ from filesystem encoding. For example, |
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209 on Windows, it's always utf-8. |
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210 """ |
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211 try: |
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212 decoded = path.decode(_watchmanencoding) |
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213 except UnicodeDecodeError as e: |
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214 raise error.Abort(str(e), hint='watchman encoding error') |
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215 |
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216 try: |
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217 encoded = decoded.encode(_fsencoding, 'strict') |
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218 except UnicodeEncodeError as e: |
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219 raise error.Abort(str(e)) |
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220 |
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221 return encoded |
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222 |
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223 def overridewalk(orig, self, match, subrepos, unknown, ignored, full=True): |
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224 '''Replacement for dirstate.walk, hooking into Watchman. |
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225 |
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226 Whenever full is False, ignored is False, and the Watchman client is |
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227 available, use Watchman combined with saved state to possibly return only a |
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228 subset of files.''' |
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229 def bail(reason): |
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230 self._ui.debug('fsmonitor: fallback to core status, %s\n' % reason) |
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231 return orig(match, subrepos, unknown, ignored, full=True) |
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232 |
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233 if full: |
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234 return bail('full rewalk requested') |
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235 if ignored: |
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236 return bail('listing ignored files') |
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237 if not self._watchmanclient.available(): |
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238 return bail('client unavailable') |
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239 state = self._fsmonitorstate |
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240 clock, ignorehash, notefiles = state.get() |
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241 if not clock: |
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242 if state.walk_on_invalidate: |
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243 return bail('no clock') |
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244 # Initial NULL clock value, see |
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245 # https://facebook.github.io/watchman/docs/clockspec.html |
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246 clock = 'c:0:0' |
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247 notefiles = [] |
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248 |
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249 ignore = self._ignore |
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250 dirignore = self._dirignore |
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251 if unknown: |
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252 if _hashignore(ignore) != ignorehash and clock != 'c:0:0': |
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253 # ignore list changed -- can't rely on Watchman state any more |
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254 if state.walk_on_invalidate: |
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255 return bail('ignore rules changed') |
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256 notefiles = [] |
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257 clock = 'c:0:0' |
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258 else: |
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259 # always ignore |
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260 ignore = util.always |
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261 dirignore = util.always |
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262 |
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263 matchfn = match.matchfn |
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264 matchalways = match.always() |
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265 dmap = self._map |
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266 if util.safehasattr(dmap, '_map'): |
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267 # for better performance, directly access the inner dirstate map if the |
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268 # standard dirstate implementation is in use. |
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269 dmap = dmap._map |
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270 nonnormalset = self._map.nonnormalset |
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271 |
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272 copymap = self._map.copymap |
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273 getkind = stat.S_IFMT |
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274 dirkind = stat.S_IFDIR |
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275 regkind = stat.S_IFREG |
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276 lnkkind = stat.S_IFLNK |
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277 join = self._join |
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278 normcase = util.normcase |
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279 fresh_instance = False |
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280 |
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281 exact = skipstep3 = False |
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282 if match.isexact(): # match.exact |
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283 exact = True |
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284 dirignore = util.always # skip step 2 |
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285 elif match.prefix(): # match.match, no patterns |
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286 skipstep3 = True |
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287 |
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288 if not exact and self._checkcase: |
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289 # note that even though we could receive directory entries, we're only |
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290 # interested in checking if a file with the same name exists. So only |
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291 # normalize files if possible. |
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292 normalize = self._normalizefile |
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293 skipstep3 = False |
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294 else: |
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295 normalize = None |
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296 |
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297 # step 1: find all explicit files |
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298 results, work, dirsnotfound = self._walkexplicit(match, subrepos) |
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299 |
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300 skipstep3 = skipstep3 and not (work or dirsnotfound) |
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301 work = [d for d in work if not dirignore(d[0])] |
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302 |
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303 if not work and (exact or skipstep3): |
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304 for s in subrepos: |
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305 del results[s] |
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306 del results['.hg'] |
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307 return results |
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|
308 |
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309 # step 2: query Watchman |
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310 try: |
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311 # Use the user-configured timeout for the query. |
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312 # Add a little slack over the top of the user query to allow for |
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313 # overheads while transferring the data |
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314 self._watchmanclient.settimeout(state.timeout + 0.1) |
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315 result = self._watchmanclient.command('query', { |
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316 'fields': ['mode', 'mtime', 'size', 'exists', 'name'], |
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317 'since': clock, |
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318 'expression': [ |
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319 'not', [ |
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320 'anyof', ['dirname', '.hg'], |
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parents:
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321 ['name', '.hg', 'wholename'] |
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parents:
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322 ] |
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parents:
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323 ], |
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parents:
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324 'sync_timeout': int(state.timeout * 1000), |
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parents:
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325 'empty_on_fresh_instance': state.walk_on_invalidate, |
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parents:
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326 }) |
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parents:
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|
327 except Exception as ex: |
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328 _handleunavailable(self._ui, state, ex) |
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329 self._watchmanclient.clearconnection() |
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Boris Feld <boris.feld@octobus.net>
parents:
35085
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330 return bail('exception during run') |
28433
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parents:
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331 else: |
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parents:
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332 # We need to propagate the last observed clock up so that we |
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Martijn Pieters <mjpieters@fb.com>
parents:
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333 # can use it for our next query |
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parents:
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334 state.setlastclock(result['clock']) |
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parents:
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335 if result['is_fresh_instance']: |
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parents:
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|
336 if state.walk_on_invalidate: |
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parents:
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|
337 state.invalidate() |
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Boris Feld <boris.feld@octobus.net>
parents:
35085
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|
338 return bail('fresh instance') |
28433
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parents:
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|
339 fresh_instance = True |
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parents:
diff
changeset
|
340 # Ignore any prior noteable files from the state info |
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parents:
diff
changeset
|
341 notefiles = [] |
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parents:
diff
changeset
|
342 |
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parents:
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changeset
|
343 # for file paths which require normalization and we encounter a case |
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Martijn Pieters <mjpieters@fb.com>
parents:
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changeset
|
344 # collision, we store our own foldmap |
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parents:
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|
345 if normalize: |
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parents:
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|
346 foldmap = dict((normcase(k), k) for k in results) |
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parents:
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changeset
|
347 |
30666
6ada1658fc6b
py3: use python 3 compatible variables in hgext/fsmontor/__init__.py
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30332
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changeset
|
348 switch_slashes = pycompat.ossep == '\\' |
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349 # The order of the results is, strictly speaking, undefined. |
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parents:
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|
350 # For case changes on a case insensitive filesystem we may receive |
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parents:
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351 # two entries, one with exists=True and another with exists=False. |
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parents:
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352 # The exists=True entries in the same response should be interpreted |
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parents:
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353 # as being happens-after the exists=False entries due to the way that |
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parents:
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|
354 # Watchman tracks files. We use this property to reconcile deletes |
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Martijn Pieters <mjpieters@fb.com>
parents:
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|
355 # for name case changes. |
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parents:
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|
356 for entry in result['files']: |
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parents:
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|
357 fname = entry['name'] |
31846
1064a296a2a7
fsmonitor: match watchman and filesystem encoding
Olivier Trempe <oliviertrempe@gmail.com>
parents:
30666
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|
358 if _fixencoding: |
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parents:
30666
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|
359 fname = _watchmantofsencoding(fname) |
28433
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parents:
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|
360 if switch_slashes: |
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parents:
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|
361 fname = fname.replace('\\', '/') |
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parents:
diff
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|
362 if normalize: |
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parents:
diff
changeset
|
363 normed = normcase(fname) |
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parents:
diff
changeset
|
364 fname = normalize(fname, True, True) |
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parents:
diff
changeset
|
365 foldmap[normed] = fname |
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parents:
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|
366 fmode = entry['mode'] |
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parents:
diff
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|
367 fexists = entry['exists'] |
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parents:
diff
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|
368 kind = getkind(fmode) |
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parents:
diff
changeset
|
369 |
41489
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Boris Feld <boris.feld@octobus.net>
parents:
41488
diff
changeset
|
370 if '/.hg/' in fname or fname.endswith('/.hg'): |
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parents:
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|
371 return bail('nested-repo-detected') |
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parents:
41488
diff
changeset
|
372 |
28433
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parents:
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|
373 if not fexists: |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
374 # if marked as deleted and we don't already have a change |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
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|
375 # record, mark it as deleted. If we already have an entry |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
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|
376 # for fname then it was either part of walkexplicit or was |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
377 # an earlier result that was a case change |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
378 if fname not in results and fname in dmap and ( |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
379 matchalways or matchfn(fname)): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
380 results[fname] = None |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
381 elif kind == dirkind: |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
382 if fname in dmap and (matchalways or matchfn(fname)): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
383 results[fname] = None |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
384 elif kind == regkind or kind == lnkkind: |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
385 if fname in dmap: |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
386 if matchalways or matchfn(fname): |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
387 results[fname] = entry |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
388 elif (matchalways or matchfn(fname)) and not ignore(fname): |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
389 results[fname] = entry |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
390 elif fname in dmap and (matchalways or matchfn(fname)): |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
391 results[fname] = None |
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
392 |
3b67f27bb908
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Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
393 # step 3: query notable files we don't already know about |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
394 # XXX try not to iterate over the entire dmap |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
395 if normalize: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
396 # any notable files that have changed case will already be handled |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
397 # above, so just check membership in the foldmap |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
398 notefiles = set((normalize(f, True, True) for f in notefiles |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
399 if normcase(f) not in foldmap)) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
400 visit = set((f for f in notefiles if (f not in results and matchfn(f) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
401 and (f in dmap or not ignore(f))))) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
402 |
34897
2e350d2a0eca
fsmonitor: use nonnormalset from dirstatemap
Jun Wu <quark@fb.com>
parents:
34886
diff
changeset
|
403 if not fresh_instance: |
28433
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
404 if matchalways: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
405 visit.update(f for f in nonnormalset if f not in results) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
406 visit.update(f for f in copymap if f not in results) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
407 else: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
408 visit.update(f for f in nonnormalset |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
409 if f not in results and matchfn(f)) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
410 visit.update(f for f in copymap |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
411 if f not in results and matchfn(f)) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
412 else: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
413 if matchalways: |
34897
2e350d2a0eca
fsmonitor: use nonnormalset from dirstatemap
Jun Wu <quark@fb.com>
parents:
34886
diff
changeset
|
414 visit.update(f for f, st in dmap.iteritems() if f not in results) |
28433
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
415 visit.update(f for f in copymap if f not in results) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
416 else: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
417 visit.update(f for f, st in dmap.iteritems() |
34897
2e350d2a0eca
fsmonitor: use nonnormalset from dirstatemap
Jun Wu <quark@fb.com>
parents:
34886
diff
changeset
|
418 if f not in results and matchfn(f)) |
28433
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
419 visit.update(f for f in copymap |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
420 if f not in results and matchfn(f)) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
421 |
33649
377e8ddaebef
pathauditor: disable cache of audited paths by default (issue5628)
Yuya Nishihara <yuya@tcha.org>
parents:
33387
diff
changeset
|
422 audit = pathutil.pathauditor(self._root, cached=True).check |
28433
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
423 auditpass = [f for f in visit if audit(f)] |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
424 auditpass.sort() |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
425 auditfail = visit.difference(auditpass) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
426 for f in auditfail: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
427 results[f] = None |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
428 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
429 nf = iter(auditpass).next |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
430 for st in util.statfiles([join(f) for f in auditpass]): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
431 f = nf() |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
432 if st or f in dmap: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
433 results[f] = st |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
434 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
435 for s in subrepos: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
436 del results[s] |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
437 del results['.hg'] |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
438 return results |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
439 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
440 def overridestatus( |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
441 orig, self, node1='.', node2=None, match=None, ignored=False, |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
442 clean=False, unknown=False, listsubrepos=False): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
443 listignored = ignored |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
444 listclean = clean |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
445 listunknown = unknown |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
446 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
447 def _cmpsets(l1, l2): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
448 try: |
30666
6ada1658fc6b
py3: use python 3 compatible variables in hgext/fsmontor/__init__.py
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30332
diff
changeset
|
449 if 'FSMONITOR_LOG_FILE' in encoding.environ: |
6ada1658fc6b
py3: use python 3 compatible variables in hgext/fsmontor/__init__.py
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30332
diff
changeset
|
450 fn = encoding.environ['FSMONITOR_LOG_FILE'] |
28433
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
451 f = open(fn, 'wb') |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
452 else: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
453 fn = 'fsmonitorfail.log' |
40209
6b1a8c396b05
fsmonitor: use vfs instead of opener (issue5938)
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
35313
diff
changeset
|
454 f = self.vfs.open(fn, 'wb') |
28433
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
455 except (IOError, OSError): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
456 self.ui.warn(_('warning: unable to write to %s\n') % fn) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
457 return |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
458 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
459 try: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
460 for i, (s1, s2) in enumerate(zip(l1, l2)): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
461 if set(s1) != set(s2): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
462 f.write('sets at position %d are unequal\n' % i) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
463 f.write('watchman returned: %s\n' % s1) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
464 f.write('stat returned: %s\n' % s2) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
465 finally: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
466 f.close() |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
467 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
468 if isinstance(node1, context.changectx): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
469 ctx1 = node1 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
470 else: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
471 ctx1 = self[node1] |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
472 if isinstance(node2, context.changectx): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
473 ctx2 = node2 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
474 else: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
475 ctx2 = self[node2] |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
476 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
477 working = ctx2.rev() is None |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
478 parentworking = working and ctx1 == self['.'] |
41676
0531dff73d0b
match: delete unused root and cwd arguments from {always,never,exact}() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
41609
diff
changeset
|
479 match = match or matchmod.always() |
28433
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
480 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
481 # Maybe we can use this opportunity to update Watchman's state. |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
482 # Mercurial uses workingcommitctx and/or memctx to represent the part of |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
483 # 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
|
484 # that case. |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
485 # HG_PENDING is set in the environment when the dirstate is being updated |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
486 # in the middle of a transaction; we must not update our state in that |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
487 # case, or we risk forgetting about changes in the working copy. |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
488 updatestate = (parentworking and match.always() and |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
489 not isinstance(ctx2, (context.workingcommitctx, |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
490 context.memctx)) and |
30666
6ada1658fc6b
py3: use python 3 compatible variables in hgext/fsmontor/__init__.py
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30332
diff
changeset
|
491 'HG_PENDING' not in encoding.environ) |
28433
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
492 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
493 try: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
494 if self._fsmonitorstate.walk_on_invalidate: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
495 # Use a short timeout to query the current clock. If that |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
496 # takes too long then we assume that the service will be slow |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
497 # to answer our query. |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
498 # walk_on_invalidate indicates that we prefer to walk the |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
499 # tree ourselves because we can ignore portions that Watchman |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
500 # 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
|
501 # cases. |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
502 self._watchmanclient.settimeout(0.1) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
503 else: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
504 # Give Watchman more time to potentially complete its walk |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
505 # and return the initial clock. In this mode we assume that |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
506 # the filesystem will be slower than parsing a potentially |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
507 # very large Watchman result set. |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
508 self._watchmanclient.settimeout( |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
509 self._fsmonitorstate.timeout + 0.1) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
510 startclock = self._watchmanclient.getcurrentclock() |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
511 except Exception as ex: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
512 self._watchmanclient.clearconnection() |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
513 _handleunavailable(self.ui, self._fsmonitorstate, ex) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
514 # boo, Watchman failed. bail |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
515 return orig(node1, node2, match, listignored, listclean, |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
516 listunknown, listsubrepos) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
517 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
518 if updatestate: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
519 # 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
|
520 # first time, but whatever. |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
521 stateunknown = True |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
522 else: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
523 stateunknown = listunknown |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
524 |
32815
15e85dded933
fsmonitor: write state with wlock held and dirstate unchanged (issue5581)
Siddharth Agarwal <sid0@fb.com>
parents:
32722
diff
changeset
|
525 if updatestate: |
15e85dded933
fsmonitor: write state with wlock held and dirstate unchanged (issue5581)
Siddharth Agarwal <sid0@fb.com>
parents:
32722
diff
changeset
|
526 ps = poststatus(startclock) |
15e85dded933
fsmonitor: write state with wlock held and dirstate unchanged (issue5581)
Siddharth Agarwal <sid0@fb.com>
parents:
32722
diff
changeset
|
527 self.addpostdsstatus(ps) |
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528 |
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529 r = orig(node1, node2, match, listignored, listclean, stateunknown, |
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530 listsubrepos) |
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531 modified, added, removed, deleted, unknown, ignored, clean = r |
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|
532 |
3b67f27bb908
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533 if not listunknown: |
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534 unknown = [] |
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|
535 |
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536 # don't do paranoid checks if we're not going to query Watchman anyway |
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537 full = listclean or match.traversedir is not None |
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538 if self._fsmonitorstate.mode == 'paranoid' and not full: |
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539 # run status again and fall back to the old walk this time |
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540 self.dirstate._fsmonitordisable = True |
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|
541 |
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542 # shut the UI up |
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|
543 quiet = self.ui.quiet |
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544 self.ui.quiet = True |
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545 fout, ferr = self.ui.fout, self.ui.ferr |
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546 self.ui.fout = self.ui.ferr = open(os.devnull, 'wb') |
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|
547 |
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548 try: |
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diff
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|
549 rv2 = orig( |
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550 node1, node2, match, listignored, listclean, listunknown, |
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551 listsubrepos) |
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diff
changeset
|
552 finally: |
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553 self.dirstate._fsmonitordisable = False |
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changeset
|
554 self.ui.quiet = quiet |
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changeset
|
555 self.ui.fout, self.ui.ferr = fout, ferr |
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|
556 |
3b67f27bb908
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557 # clean isn't tested since it's set to True above |
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diff
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|
558 with self.wlock(): |
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|
559 _cmpsets( |
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diff
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|
560 [modified, added, removed, deleted, unknown, ignored, clean], |
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561 rv2) |
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562 modified, added, removed, deleted, unknown, ignored, clean = rv2 |
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563 |
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|
564 return scmutil.status( |
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565 modified, added, removed, deleted, unknown, ignored, clean) |
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566 |
32815
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567 class poststatus(object): |
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568 def __init__(self, startclock): |
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|
569 self._startclock = startclock |
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parents:
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|
570 |
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571 def __call__(self, wctx, status): |
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572 clock = wctx.repo()._fsmonitorstate.getlastclock() or self._startclock |
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573 hashignore = _hashignore(wctx.repo().dirstate._ignore) |
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|
574 notefiles = (status.modified + status.added + status.removed + |
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575 status.deleted + status.unknown) |
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|
576 wctx.repo()._fsmonitorstate.set(clock, hashignore, notefiles) |
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parents:
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577 |
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parents:
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578 def makedirstate(repo, dirstate): |
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
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|
579 class fsmonitordirstate(dirstate.__class__): |
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parents:
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580 def _fsmonitorinit(self, repo): |
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581 # _fsmonitordisable is used in paranoid mode |
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582 self._fsmonitordisable = False |
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583 self._fsmonitorstate = repo._fsmonitorstate |
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584 self._watchmanclient = repo._watchmanclient |
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585 self._repo = weakref.proxy(repo) |
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|
586 |
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|
587 def walk(self, *args, **kwargs): |
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|
588 orig = super(fsmonitordirstate, self).walk |
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|
589 if self._fsmonitordisable: |
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|
590 return orig(*args, **kwargs) |
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parents:
diff
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|
591 return overridewalk(orig, self, *args, **kwargs) |
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diff
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|
592 |
3b67f27bb908
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|
593 def rebuild(self, *args, **kwargs): |
3b67f27bb908
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|
594 self._fsmonitorstate.invalidate() |
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|
595 return super(fsmonitordirstate, self).rebuild(*args, **kwargs) |
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parents:
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changeset
|
596 |
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changeset
|
597 def invalidate(self, *args, **kwargs): |
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changeset
|
598 self._fsmonitorstate.invalidate() |
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parents:
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changeset
|
599 return super(fsmonitordirstate, self).invalidate(*args, **kwargs) |
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parents:
diff
changeset
|
600 |
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parents:
33385
diff
changeset
|
601 dirstate.__class__ = fsmonitordirstate |
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|
602 dirstate._fsmonitorinit(repo) |
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|
603 |
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parents:
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|
604 def wrapdirstate(orig, self): |
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Martijn Pieters <mjpieters@fb.com>
parents:
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|
605 ds = orig(self) |
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parents:
diff
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|
606 # only override the dirstate when Watchman is available for the repo |
3b67f27bb908
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parents:
diff
changeset
|
607 if util.safehasattr(self, '_fsmonitorstate'): |
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parents:
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|
608 makedirstate(self, ds) |
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parents:
diff
changeset
|
609 return ds |
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parents:
diff
changeset
|
610 |
3b67f27bb908
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parents:
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changeset
|
611 def extsetup(ui): |
32722
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diff
changeset
|
612 extensions.wrapfilecache( |
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
613 localrepo.localrepository, 'dirstate', wrapdirstate) |
34647 | 614 if pycompat.isdarwin: |
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parents:
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|
615 # An assist for avoiding the dangling-symlink fsevents bug |
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changeset
|
616 extensions.wrapfunction(os, 'symlink', wrapsymlink) |
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changeset
|
617 |
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|
618 extensions.wrapfunction(merge, 'update', wrapupdate) |
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diff
changeset
|
619 |
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|
620 def wrapsymlink(orig, source, link_name): |
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parents:
diff
changeset
|
621 ''' if we create a dangling symlink, also touch the parent dir |
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parents:
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|
622 to encourage fsevents notifications to work more correctly ''' |
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parents:
diff
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|
623 try: |
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parents:
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|
624 return orig(source, link_name) |
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parents:
diff
changeset
|
625 finally: |
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parents:
diff
changeset
|
626 try: |
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parents:
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|
627 os.utime(os.path.dirname(link_name), None) |
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parents:
diff
changeset
|
628 except OSError: |
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parents:
diff
changeset
|
629 pass |
3b67f27bb908
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changeset
|
630 |
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changeset
|
631 class state_update(object): |
30332
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parents:
29841
diff
changeset
|
632 ''' This context manager is responsible for dispatching the state-enter |
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|
633 and state-leave signals to the watchman service. The enter and leave |
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634 methods can be invoked manually (for scenarios where context manager |
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|
635 semantics are not possible). If parameters oldnode and newnode are None, |
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diff
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|
636 they will be populated based on current working copy in enter and |
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diff
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|
637 leave, respectively. Similarly, if the distance is none, it will be |
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|
638 calculated based on the oldnode and newnode in the leave method.''' |
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|
639 |
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|
640 def __init__(self, repo, name, oldnode=None, newnode=None, distance=None, |
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|
641 partial=False): |
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|
642 self.repo = repo.unfiltered() |
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|
643 self.name = name |
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|
644 self.oldnode = oldnode |
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|
645 self.newnode = newnode |
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|
646 self.distance = distance |
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diff
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|
647 self.partial = partial |
32334
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fsmonitor: acquire localrepo.wlock prior to emitting hg.update state
Wez Furlong <wez@fb.com>
parents:
32321
diff
changeset
|
648 self._lock = None |
32335
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fsmonitor: don't attempt state-leave if we didn't state-enter
Wez Furlong <wez@fb.com>
parents:
32334
diff
changeset
|
649 self.need_leave = False |
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|
650 |
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|
651 def __enter__(self): |
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652 self.enter() |
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653 |
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654 def enter(self): |
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655 # Make sure we have a wlock prior to sending notifications to watchman. |
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656 # We don't want to race with other actors. In the update case, |
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657 # merge.update is going to take the wlock almost immediately. We are |
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658 # effectively extending the lock around several short sanity checks. |
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659 if self.oldnode is None: |
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660 self.oldnode = self.repo['.'].node() |
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661 |
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662 if self.repo.currentwlock() is None: |
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663 if util.safehasattr(self.repo, 'wlocknostateupdate'): |
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664 self._lock = self.repo.wlocknostateupdate() |
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665 else: |
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666 self._lock = self.repo.wlock() |
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667 self.need_leave = self._state( |
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668 'state-enter', |
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669 hex(self.oldnode)) |
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670 return self |
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671 |
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672 def __exit__(self, type_, value, tb): |
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673 abort = True if type_ else False |
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674 self.exit(abort=abort) |
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675 |
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676 def exit(self, abort=False): |
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677 try: |
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678 if self.need_leave: |
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679 status = 'failed' if abort else 'ok' |
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680 if self.newnode is None: |
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681 self.newnode = self.repo['.'].node() |
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682 if self.distance is None: |
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683 self.distance = calcdistance( |
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684 self.repo, self.oldnode, self.newnode) |
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685 self._state( |
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686 'state-leave', |
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687 hex(self.newnode), |
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688 status=status) |
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689 finally: |
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690 self.need_leave = False |
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691 if self._lock: |
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692 self._lock.release() |
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693 |
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694 def _state(self, cmd, commithash, status='ok'): |
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695 if not util.safehasattr(self.repo, '_watchmanclient'): |
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696 return False |
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697 try: |
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698 self.repo._watchmanclient.command(cmd, { |
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699 'name': self.name, |
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700 'metadata': { |
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701 # the target revision |
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702 'rev': commithash, |
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703 # approximate number of commits between current and target |
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704 'distance': self.distance if self.distance else 0, |
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705 # success/failure (only really meaningful for state-leave) |
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706 'status': status, |
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707 # whether the working copy parent is changing |
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708 'partial': self.partial, |
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709 }}) |
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|
710 return True |
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711 except Exception as e: |
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712 # Swallow any errors; fire and forget |
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713 self.repo.ui.log( |
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714 'watchman', 'Exception %s while running %s\n', e, cmd) |
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|
715 return False |
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|
716 |
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717 # Estimate the distance between two nodes |
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718 def calcdistance(repo, oldnode, newnode): |
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719 anc = repo.changelog.ancestor(oldnode, newnode) |
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720 ancrev = repo[anc].rev() |
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721 distance = (abs(repo[oldnode].rev() - ancrev) |
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722 + abs(repo[newnode].rev() - ancrev)) |
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|
723 return distance |
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|
724 |
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|
725 # Bracket working copy updates with calls to the watchman state-enter |
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726 # and state-leave commands. This allows clients to perform more intelligent |
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727 # settling during bulk file change scenarios |
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|
728 # https://facebook.github.io/watchman/docs/cmd/subscribe.html#advanced-settling |
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729 def wrapupdate(orig, repo, node, branchmerge, force, ancestor=None, |
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730 mergeancestor=False, labels=None, matcher=None, **kwargs): |
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|
731 |
49d65663d7e4
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|
732 distance = 0 |
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|
733 partial = True |
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|
734 oldnode = repo['.'].node() |
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735 newnode = repo[node].node() |
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736 if matcher is None or matcher.always(): |
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737 partial = False |
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|
738 distance = calcdistance(repo.unfiltered(), oldnode, newnode) |
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|
739 |
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|
740 with state_update(repo, name="hg.update", oldnode=oldnode, newnode=newnode, |
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|
741 distance=distance, partial=partial): |
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742 return orig( |
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|
743 repo, node, branchmerge, force, ancestor, mergeancestor, |
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|
744 labels, matcher, **kwargs) |
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|
745 |
41489
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|
746 def repo_has_depth_one_nested_repo(repo): |
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|
747 for f in repo.wvfs.listdir(): |
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|
748 if os.path.isdir(os.path.join(repo.root, f, '.hg')): |
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|
749 msg = 'fsmonitor: sub-repository %r detected, fsmonitor disabled\n' |
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|
750 repo.ui.debug(msg % f) |
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|
751 return True |
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|
752 return False |
5125f0a9728b
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|
753 |
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|
754 def reposetup(ui, repo): |
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|
755 # We don't work with largefiles or inotify |
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|
756 exts = extensions.enabled() |
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|
757 for ext in _blacklist: |
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diff
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|
758 if ext in exts: |
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|
759 ui.warn(_('The fsmonitor extension is incompatible with the %s ' |
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|
760 'extension and has been disabled.\n') % ext) |
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diff
changeset
|
761 return |
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diff
changeset
|
762 |
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diff
changeset
|
763 if repo.local(): |
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diff
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|
764 # We don't work with subrepos either. |
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|
765 # |
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|
766 # if repo[None].substate can cause a dirstate parse, which is too |
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diff
changeset
|
767 # slow. Instead, look for a file called hgsubstate, |
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diff
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|
768 if repo.wvfs.exists('.hgsubstate') or repo.wvfs.exists('.hgsub'): |
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parents:
diff
changeset
|
769 return |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
770 |
41489
5125f0a9728b
watchman: detect nested mercurial repositories and abort
Boris Feld <boris.feld@octobus.net>
parents:
41488
diff
changeset
|
771 if repo_has_depth_one_nested_repo(repo): |
5125f0a9728b
watchman: detect nested mercurial repositories and abort
Boris Feld <boris.feld@octobus.net>
parents:
41488
diff
changeset
|
772 return |
5125f0a9728b
watchman: detect nested mercurial repositories and abort
Boris Feld <boris.feld@octobus.net>
parents:
41488
diff
changeset
|
773 |
28433
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
774 fsmonitorstate = state.state(repo) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
775 if fsmonitorstate.mode == 'off': |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
776 return |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
777 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
778 try: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
779 client = watchmanclient.client(repo) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
780 except Exception as ex: |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
781 _handleunavailable(ui, fsmonitorstate, ex) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
782 return |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
783 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
784 repo._fsmonitorstate = fsmonitorstate |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
785 repo._watchmanclient = client |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
786 |
33387
68e9762a357b
fsmonitor: execute setup procedures only if dirstate is already instantiated
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33386
diff
changeset
|
787 dirstate, cached = localrepo.isfilecached(repo, 'dirstate') |
68e9762a357b
fsmonitor: execute setup procedures only if dirstate is already instantiated
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33386
diff
changeset
|
788 if cached: |
68e9762a357b
fsmonitor: execute setup procedures only if dirstate is already instantiated
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33386
diff
changeset
|
789 # at this point since fsmonitorstate wasn't present, |
68e9762a357b
fsmonitor: execute setup procedures only if dirstate is already instantiated
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33386
diff
changeset
|
790 # repo.dirstate is not a fsmonitordirstate |
68e9762a357b
fsmonitor: execute setup procedures only if dirstate is already instantiated
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
33386
diff
changeset
|
791 makedirstate(repo, dirstate) |
28433
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
792 |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
793 class fsmonitorrepo(repo.__class__): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
794 def status(self, *args, **kwargs): |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
795 orig = super(fsmonitorrepo, self).status |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
796 return overridestatus(orig, self, *args, **kwargs) |
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
797 |
35313
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
798 def wlocknostateupdate(self, *args, **kwargs): |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
799 return super(fsmonitorrepo, self).wlock(*args, **kwargs) |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
800 |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
801 def wlock(self, *args, **kwargs): |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
802 l = super(fsmonitorrepo, self).wlock(*args, **kwargs) |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
803 if not ui.configbool( |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
804 "experimental", "fsmonitor.transaction_notify"): |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
805 return l |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
806 if l.held != 1: |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
807 return l |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
808 origrelease = l.releasefn |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
809 |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
810 def staterelease(): |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
811 if origrelease: |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
812 origrelease() |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
813 if l.stateupdate: |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
814 l.stateupdate.exit() |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
815 l.stateupdate = None |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
816 |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
817 try: |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
818 l.stateupdate = None |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
819 l.stateupdate = state_update(self, name="hg.transaction") |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
820 l.stateupdate.enter() |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
821 l.releasefn = staterelease |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
822 except Exception as e: |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
823 # Swallow any errors; fire and forget |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
824 self.ui.log( |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
825 'watchman', 'Exception in state update %s\n', e) |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
826 return l |
c67fb3bfe3a1
fsmonitor: fsmonitor should send wlock notifications to watchman
Eamonn Kent <ekent@fb.com>
parents:
35312
diff
changeset
|
827 |
28433
3b67f27bb908
fsmonitor: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff
changeset
|
828 repo.__class__ = fsmonitorrepo |