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annotate hgext/fastannotate/commands.py @ 39666:b77f2ea51da5

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py3: fix kwargs handling in hgext/fastannotate.py Differential Revision: https://phab.mercurial-scm.org/D4588
author Pulkit Goyal <pulkit@yandex-team.ru>
date Fri, 14 Sep 2018 23:51:21 +0300
parents b3572f733dbd
children 24e493ec2229
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # Copyright 2016-present Facebook. All Rights Reserved.
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2 #
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3 # commands: fastannotate commands
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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 from __future__ import absolute_import
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9
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10 import os
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11
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12 from mercurial.i18n import _
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13 from mercurial import (
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14 commands,
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15 error,
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16 extensions,
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17 patch,
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18 pycompat,
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19 registrar,
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20 scmutil,
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21 util,
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22 )
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23
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24 from . import (
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25 context as facontext,
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26 error as faerror,
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27 formatter as faformatter,
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28 )
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29
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30 cmdtable = {}
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31 command = registrar.command(cmdtable)
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32
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33 def _matchpaths(repo, rev, pats, opts, aopts=facontext.defaultopts):
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34 """generate paths matching given patterns"""
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35 perfhack = repo.ui.configbool('fastannotate', 'perfhack')
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36
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37 # disable perfhack if:
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38 # a) any walkopt is used
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39 # b) if we treat pats as plain file names, some of them do not have
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40 # corresponding linelog files
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41 if perfhack:
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42 # cwd related to reporoot
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43 reporoot = os.path.dirname(repo.path)
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44 reldir = os.path.relpath(pycompat.getcwd(), reporoot)
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45 if reldir == '.':
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46 reldir = ''
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47 if any(opts.get(o[1]) for o in commands.walkopts): # a)
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48 perfhack = False
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49 else: # b)
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50 relpats = [os.path.relpath(p, reporoot) if os.path.isabs(p) else p
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51 for p in pats]
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52 # disable perfhack on '..' since it allows escaping from the repo
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53 if any(('..' in f or
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54 not os.path.isfile(
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55 facontext.pathhelper(repo, f, aopts).linelogpath))
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56 for f in relpats):
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57 perfhack = False
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58
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59 # perfhack: emit paths directory without checking with manifest
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60 # this can be incorrect if the rev dos not have file.
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61 if perfhack:
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62 for p in relpats:
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63 yield os.path.join(reldir, p)
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64 else:
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65 def bad(x, y):
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66 raise error.Abort("%s: %s" % (x, y))
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67 ctx = scmutil.revsingle(repo, rev)
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68 m = scmutil.match(ctx, pats, opts, badfn=bad)
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69 for p in ctx.walk(m):
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70 yield p
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71
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72 fastannotatecommandargs = {
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73 r'options': [
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74 ('r', 'rev', '.', _('annotate the specified revision'), _('REV')),
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75 ('u', 'user', None, _('list the author (long with -v)')),
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76 ('f', 'file', None, _('list the filename')),
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77 ('d', 'date', None, _('list the date (short with -q)')),
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78 ('n', 'number', None, _('list the revision number (default)')),
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79 ('c', 'changeset', None, _('list the changeset')),
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80 ('l', 'line-number', None, _('show line number at the first '
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81 'appearance')),
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82 ('e', 'deleted', None, _('show deleted lines (slow) (EXPERIMENTAL)')),
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83 ('', 'no-content', None, _('do not show file content (EXPERIMENTAL)')),
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84 ('', 'no-follow', None, _("don't follow copies and renames")),
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85 ('', 'linear', None, _('enforce linear history, ignore second parent '
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86 'of merges (EXPERIMENTAL)')),
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87 ('', 'long-hash', None, _('show long changeset hash (EXPERIMENTAL)')),
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88 ('', 'rebuild', None, _('rebuild cache even if it exists '
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89 '(EXPERIMENTAL)')),
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90 ] + commands.diffwsopts + commands.walkopts + commands.formatteropts,
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91 r'synopsis': _('[-r REV] [-f] [-a] [-u] [-d] [-n] [-c] [-l] FILE...'),
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92 r'inferrepo': True,
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93 }
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94
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95 def fastannotate(ui, repo, *pats, **opts):
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96 """show changeset information by line for each file
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97
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98 List changes in files, showing the revision id responsible for each line.
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99
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100 This command is useful for discovering when a change was made and by whom.
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101
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102 By default this command prints revision numbers. If you include --file,
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103 --user, or --date, the revision number is suppressed unless you also
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104 include --number. The default format can also be customized by setting
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105 fastannotate.defaultformat.
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106
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107 Returns 0 on success.
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108
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109 .. container:: verbose
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110
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111 This command uses an implementation different from the vanilla annotate
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112 command, which may produce slightly different (while still reasonable)
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113 outputs for some cases.
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114
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115 Unlike the vanilla anootate, fastannotate follows rename regardless of
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116 the existence of --file.
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117
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118 For the best performance when running on a full repo, use -c, -l,
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119 avoid -u, -d, -n. Use --linear and --no-content to make it even faster.
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120
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121 For the best performance when running on a shallow (remotefilelog)
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122 repo, avoid --linear, --no-follow, or any diff options. As the server
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123 won't be able to populate annotate cache when non-default options
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124 affecting results are used.
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125 """
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126 if not pats:
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127 raise error.Abort(_('at least one filename or pattern is required'))
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128
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129 # performance hack: filtered repo can be slow. unfilter by default.
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130 if ui.configbool('fastannotate', 'unfilteredrepo'):
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131 repo = repo.unfiltered()
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132
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133 opts = pycompat.byteskwargs(opts)
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134
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135 rev = opts.get('rev', '.')
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136 rebuild = opts.get('rebuild', False)
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137
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138 diffopts = patch.difffeatureopts(ui, opts, section='annotate',
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139 whitespace=True)
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140 aopts = facontext.annotateopts(
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141 diffopts=diffopts,
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142 followmerge=not opts.get('linear', False),
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143 followrename=not opts.get('no_follow', False))
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144
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145 if not any(opts.get(s)
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146 for s in ['user', 'date', 'file', 'number', 'changeset']):
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147 # default 'number' for compatibility. but fastannotate is more
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148 # efficient with "changeset", "line-number" and "no-content".
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149 for name in ui.configlist('fastannotate', 'defaultformat', ['number']):
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150 opts[name] = True
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151
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152 ui.pager('fastannotate')
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153 template = opts.get('template')
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154 if template == 'json':
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155 formatter = faformatter.jsonformatter(ui, repo, opts)
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156 else:
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157 formatter = faformatter.defaultformatter(ui, repo, opts)
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158 showdeleted = opts.get('deleted', False)
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159 showlines = not bool(opts.get('no_content'))
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160 showpath = opts.get('file', False)
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161
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162 # find the head of the main (master) branch
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163 master = ui.config('fastannotate', 'mainbranch') or rev
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164
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165 # paths will be used for prefetching and the real annotating
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166 paths = list(_matchpaths(repo, rev, pats, opts, aopts))
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167
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168 # for client, prefetch from the server
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169 if util.safehasattr(repo, 'prefetchfastannotate'):
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170 repo.prefetchfastannotate(paths)
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171
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172 for path in paths:
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173 result = lines = existinglines = None
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174 while True:
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175 try:
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176 with facontext.annotatecontext(repo, path, aopts, rebuild) as a:
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177 result = a.annotate(rev, master=master, showpath=showpath,
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178 showlines=(showlines and
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179 not showdeleted))
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180 if showdeleted:
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181 existinglines = set((l[0], l[1]) for l in result)
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182 result = a.annotatealllines(
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183 rev, showpath=showpath, showlines=showlines)
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184 break
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185 except (faerror.CannotReuseError, faerror.CorruptedFileError):
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186 # happens if master moves backwards, or the file was deleted
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187 # and readded, or renamed to an existing name, or corrupted.
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188 if rebuild: # give up since we have tried rebuild already
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189 raise
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190 else: # try a second time rebuilding the cache (slow)
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191 rebuild = True
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192 continue
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193
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194 if showlines:
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195 result, lines = result
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196
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197 formatter.write(result, lines, existinglines=existinglines)
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198 formatter.end()
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199
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200 _newopts = set([])
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201 _knownopts = set([opt[1].replace('-', '_') for opt in
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202 (fastannotatecommandargs[r'options'] + commands.globalopts)])
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203
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204 def _annotatewrapper(orig, ui, repo, *pats, **opts):
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205 """used by wrapdefault"""
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206 # we need this hack until the obsstore has 0.0 seconds perf impact
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207 if ui.configbool('fastannotate', 'unfilteredrepo'):
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208 repo = repo.unfiltered()
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209
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210 # treat the file as text (skip the isbinary check)
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211 if ui.configbool('fastannotate', 'forcetext'):
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212 opts[r'text'] = True
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213
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214 # check if we need to do prefetch (client-side)
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215 rev = opts.get(r'rev')
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216 if util.safehasattr(repo, 'prefetchfastannotate') and rev is not None:
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217 paths = list(_matchpaths(repo, rev, pats, pycompat.byteskwargs(opts)))
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218 repo.prefetchfastannotate(paths)
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219
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220 return orig(ui, repo, *pats, **opts)
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221
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222 def registercommand():
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223 """register the fastannotate command"""
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224 name = '^fastannotate|fastblame|fa'
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225 command(name, **fastannotatecommandargs)(fastannotate)
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226
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227 def wrapdefault():
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228 """wrap the default annotate command, to be aware of the protocol"""
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229 extensions.wrapcommand(commands.table, 'annotate', _annotatewrapper)
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230
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231 @command('debugbuildannotatecache',
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232 [('r', 'rev', '', _('build up to the specific revision'), _('REV'))
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233 ] + commands.walkopts,
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234 _('[-r REV] FILE...'))
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235 def debugbuildannotatecache(ui, repo, *pats, **opts):
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diff changeset
236 """incrementally build fastannotate cache up to REV for specified files
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237
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diff changeset
238 If REV is not specified, use the config 'fastannotate.mainbranch'.
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239
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240 If fastannotate.client is True, download the annotate cache from the
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diff changeset
241 server. Otherwise, build the annotate cache locally.
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242
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243 The annotate cache will be built using the default diff and follow
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244 options and lives in '.hg/fastannotate/default'.
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245 """
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246 opts = pycompat.byteskwargs(opts)
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247 rev = opts.get('REV') or ui.config('fastannotate', 'mainbranch')
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248 if not rev:
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249 raise error.Abort(_('you need to provide a revision'),
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250 hint=_('set fastannotate.mainbranch or use --rev'))
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diff changeset
251 if ui.configbool('fastannotate', 'unfilteredrepo'):
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diff changeset
252 repo = repo.unfiltered()
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253 ctx = scmutil.revsingle(repo, rev)
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diff changeset
254 m = scmutil.match(ctx, pats, opts)
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diff changeset
255 paths = list(ctx.walk(m))
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diff changeset
256 if util.safehasattr(repo, 'prefetchfastannotate'):
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diff changeset
257 # client
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diff changeset
258 if opts.get('REV'):
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diff changeset
259 raise error.Abort(_('--rev cannot be used for client'))
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diff changeset
260 repo.prefetchfastannotate(paths)
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diff changeset
261 else:
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diff changeset
262 # server, or full repo
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diff changeset
263 for i, path in enumerate(paths):
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diff changeset
264 ui.progress(_('building'), i, total=len(paths))
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diff changeset
265 with facontext.annotatecontext(repo, path) as actx:
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diff changeset
266 try:
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267 if actx.isuptodate(rev):
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268 continue
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269 actx.annotate(rev, rev)
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diff changeset
270 except (faerror.CannotReuseError, faerror.CorruptedFileError):
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diff changeset
271 # the cache is broken (could happen with renaming so the
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272 # file history gets invalidated). rebuild and try again.
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273 ui.debug('fastannotate: %s: rebuilding broken cache\n'
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274 % path)
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275 actx.rebuild()
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276 try:
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277 actx.annotate(rev, rev)
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278 except Exception as ex:
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279 # possibly a bug, but should not stop us from building
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280 # cache for other files.
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281 ui.warn(_('fastannotate: %s: failed to '
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282 'build cache: %r\n') % (path, ex))
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283 # clear the progress bar
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284 ui.write()