Mercurial > hg
annotate hgext/fastannotate/context.py @ 41610:d683aca738cd
diffordiffstat: avoid looking up contexts twice
I'm not worried about performance; this is just simpler.
Differential Revision: https://phab.mercurial-scm.org/D5890
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Wed, 06 Feb 2019 22:32:50 -0800 |
parents | 1198c86beb73 |
children | 0152a907f714 |
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1 # Copyright 2016-present Facebook. All Rights Reserved. |
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2 # |
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3 # context: context needed to annotate a file |
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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 collections |
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11 import contextlib |
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12 import hashlib |
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13 import os |
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14 |
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15 from mercurial.i18n import _ |
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16 from mercurial import ( |
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17 error, |
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18 linelog as linelogmod, |
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19 lock as lockmod, |
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20 mdiff, |
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21 node, |
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22 pycompat, |
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23 scmutil, |
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24 util, |
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25 ) |
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26 from mercurial.utils import ( |
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27 stringutil, |
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28 ) |
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29 |
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30 from . import ( |
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31 error as faerror, |
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32 revmap as revmapmod, |
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33 ) |
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34 |
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35 # given path, get filelog, cached |
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36 @util.lrucachefunc |
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37 def _getflog(repo, path): |
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38 return repo.file(path) |
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39 |
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40 # extracted from mercurial.context.basefilectx.annotate |
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41 def _parents(f, follow=True): |
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42 # Cut _descendantrev here to mitigate the penalty of lazy linkrev |
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43 # adjustment. Otherwise, p._adjustlinkrev() would walk changelog |
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44 # from the topmost introrev (= srcrev) down to p.linkrev() if it |
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45 # isn't an ancestor of the srcrev. |
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46 f._changeid |
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47 pl = f.parents() |
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48 |
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49 # Don't return renamed parents if we aren't following. |
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50 if not follow: |
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51 pl = [p for p in pl if p.path() == f.path()] |
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52 |
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53 # renamed filectx won't have a filelog yet, so set it |
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54 # from the cache to save time |
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55 for p in pl: |
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56 if not '_filelog' in p.__dict__: |
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57 p._filelog = _getflog(f._repo, p.path()) |
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58 |
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59 return pl |
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60 |
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61 # extracted from mercurial.context.basefilectx.annotate. slightly modified |
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62 # so it takes a fctx instead of a pair of text and fctx. |
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63 def _decorate(fctx): |
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64 text = fctx.data() |
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65 linecount = text.count('\n') |
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66 if text and not text.endswith('\n'): |
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67 linecount += 1 |
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68 return ([(fctx, i) for i in pycompat.xrange(linecount)], text) |
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69 |
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70 # extracted from mercurial.context.basefilectx.annotate. slightly modified |
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71 # so it takes an extra "blocks" parameter calculated elsewhere, instead of |
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72 # calculating diff here. |
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73 def _pair(parent, child, blocks): |
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74 for (a1, a2, b1, b2), t in blocks: |
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75 # Changed blocks ('!') or blocks made only of blank lines ('~') |
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76 # belong to the child. |
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77 if t == '=': |
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78 child[0][b1:b2] = parent[0][a1:a2] |
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79 return child |
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80 |
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81 # like scmutil.revsingle, but with lru cache, so their states (like manifests) |
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82 # could be reused |
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83 _revsingle = util.lrucachefunc(scmutil.revsingle) |
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84 |
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85 def resolvefctx(repo, rev, path, resolverev=False, adjustctx=None): |
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86 """(repo, str, str) -> fctx |
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87 |
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88 get the filectx object from repo, rev, path, in an efficient way. |
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89 |
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90 if resolverev is True, "rev" is a revision specified by the revset |
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91 language, otherwise "rev" is a nodeid, or a revision number that can |
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92 be consumed by repo.__getitem__. |
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93 |
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94 if adjustctx is not None, the returned fctx will point to a changeset |
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95 that introduces the change (last modified the file). if adjustctx |
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96 is 'linkrev', trust the linkrev and do not adjust it. this is noticeably |
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97 faster for big repos but is incorrect for some cases. |
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98 """ |
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99 if resolverev and not isinstance(rev, int) and rev is not None: |
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100 ctx = _revsingle(repo, rev) |
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101 else: |
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102 ctx = repo[rev] |
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103 |
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104 # If we don't need to adjust the linkrev, create the filectx using the |
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105 # changectx instead of using ctx[path]. This means it already has the |
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106 # changectx information, so blame -u will be able to look directly at the |
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107 # commitctx object instead of having to resolve it by going through the |
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108 # manifest. In a lazy-manifest world this can prevent us from downloading a |
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109 # lot of data. |
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110 if adjustctx is None: |
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111 # ctx.rev() is None means it's the working copy, which is a special |
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112 # case. |
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113 if ctx.rev() is None: |
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114 fctx = ctx[path] |
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115 else: |
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116 fctx = repo.filectx(path, changeid=ctx.rev()) |
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117 else: |
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118 fctx = ctx[path] |
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119 if adjustctx == 'linkrev': |
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120 introrev = fctx.linkrev() |
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121 else: |
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122 introrev = fctx.introrev() |
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123 if introrev != ctx.rev(): |
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124 fctx._changeid = introrev |
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125 fctx._changectx = repo[introrev] |
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126 return fctx |
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127 |
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128 # like mercurial.store.encodedir, but use linelog suffixes: .m, .l, .lock |
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129 def encodedir(path): |
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130 return (path |
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131 .replace('.hg/', '.hg.hg/') |
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132 .replace('.l/', '.l.hg/') |
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133 .replace('.m/', '.m.hg/') |
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134 .replace('.lock/', '.lock.hg/')) |
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135 |
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136 def hashdiffopts(diffopts): |
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137 diffoptstr = stringutil.pprint(sorted( |
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138 (k, getattr(diffopts, k)) |
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139 for k in mdiff.diffopts.defaults |
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140 )) |
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141 return node.hex(hashlib.sha1(diffoptstr).digest())[:6] |
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142 |
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143 _defaultdiffopthash = hashdiffopts(mdiff.defaultopts) |
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144 |
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145 class annotateopts(object): |
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146 """like mercurial.mdiff.diffopts, but is for annotate |
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147 |
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148 followrename: follow renames, like "hg annotate -f" |
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149 followmerge: follow p2 of a merge changeset, otherwise p2 is ignored |
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150 """ |
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151 |
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152 defaults = { |
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153 'diffopts': None, |
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154 'followrename': True, |
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155 'followmerge': True, |
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156 } |
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157 |
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158 def __init__(self, **opts): |
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159 opts = pycompat.byteskwargs(opts) |
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160 for k, v in self.defaults.iteritems(): |
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161 setattr(self, k, opts.get(k, v)) |
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162 |
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163 @util.propertycache |
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164 def shortstr(self): |
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165 """represent opts in a short string, suitable for a directory name""" |
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166 result = '' |
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167 if not self.followrename: |
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168 result += 'r0' |
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169 if not self.followmerge: |
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170 result += 'm0' |
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171 if self.diffopts is not None: |
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172 assert isinstance(self.diffopts, mdiff.diffopts) |
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173 diffopthash = hashdiffopts(self.diffopts) |
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174 if diffopthash != _defaultdiffopthash: |
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175 result += 'i' + diffopthash |
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176 return result or 'default' |
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177 |
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178 defaultopts = annotateopts() |
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179 |
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180 class _annotatecontext(object): |
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181 """do not use this class directly as it does not use lock to protect |
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182 writes. use "with annotatecontext(...)" instead. |
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183 """ |
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184 |
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185 def __init__(self, repo, path, linelogpath, revmappath, opts): |
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186 self.repo = repo |
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187 self.ui = repo.ui |
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188 self.path = path |
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189 self.opts = opts |
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190 self.linelogpath = linelogpath |
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191 self.revmappath = revmappath |
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192 self._linelog = None |
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193 self._revmap = None |
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194 self._node2path = {} # {str: str} |
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195 |
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196 @property |
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197 def linelog(self): |
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198 if self._linelog is None: |
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199 if os.path.exists(self.linelogpath): |
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200 with open(self.linelogpath, 'rb') as f: |
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201 try: |
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202 self._linelog = linelogmod.linelog.fromdata(f.read()) |
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203 except linelogmod.LineLogError: |
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204 self._linelog = linelogmod.linelog() |
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205 else: |
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206 self._linelog = linelogmod.linelog() |
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207 return self._linelog |
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208 |
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209 @property |
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210 def revmap(self): |
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211 if self._revmap is None: |
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212 self._revmap = revmapmod.revmap(self.revmappath) |
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213 return self._revmap |
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214 |
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215 def close(self): |
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216 if self._revmap is not None: |
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217 self._revmap.flush() |
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218 self._revmap = None |
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219 if self._linelog is not None: |
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220 with open(self.linelogpath, 'wb') as f: |
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221 f.write(self._linelog.encode()) |
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222 self._linelog = None |
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223 |
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224 __del__ = close |
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225 |
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226 def rebuild(self): |
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227 """delete linelog and revmap, useful for rebuilding""" |
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228 self.close() |
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229 self._node2path.clear() |
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230 _unlinkpaths([self.revmappath, self.linelogpath]) |
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231 |
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232 @property |
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233 def lastnode(self): |
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234 """return last node in revmap, or None if revmap is empty""" |
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235 if self._revmap is None: |
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236 # fast path, read revmap without loading its full content |
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237 return revmapmod.getlastnode(self.revmappath) |
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238 else: |
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239 return self._revmap.rev2hsh(self._revmap.maxrev) |
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240 |
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241 def isuptodate(self, master, strict=True): |
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242 """return True if the revmap / linelog is up-to-date, or the file |
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243 does not exist in the master revision. False otherwise. |
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244 |
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245 it tries to be fast and could return false negatives, because of the |
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246 use of linkrev instead of introrev. |
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247 |
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248 useful for both server and client to decide whether to update |
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249 fastannotate cache or not. |
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250 |
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251 if strict is True, even if fctx exists in the revmap, but is not the |
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252 last node, isuptodate will return False. it's good for performance - no |
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253 expensive check was done. |
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254 |
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255 if strict is False, if fctx exists in the revmap, this function may |
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256 return True. this is useful for the client to skip downloading the |
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257 cache if the client's master is behind the server's. |
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258 """ |
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259 lastnode = self.lastnode |
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260 try: |
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261 f = self._resolvefctx(master, resolverev=True) |
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262 # choose linkrev instead of introrev as the check is meant to be |
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263 # *fast*. |
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264 linknode = self.repo.changelog.node(f.linkrev()) |
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265 if not strict and lastnode and linknode != lastnode: |
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266 # check if f.node() is in the revmap. note: this loads the |
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267 # revmap and can be slow. |
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268 return self.revmap.hsh2rev(linknode) is not None |
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269 # avoid resolving old manifest, or slow adjustlinkrev to be fast, |
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270 # false negatives are acceptable in this case. |
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271 return linknode == lastnode |
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272 except LookupError: |
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273 # master does not have the file, or the revmap is ahead |
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274 return True |
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275 |
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276 def annotate(self, rev, master=None, showpath=False, showlines=False): |
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277 """incrementally update the cache so it includes revisions in the main |
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278 branch till 'master'. and run annotate on 'rev', which may or may not be |
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279 included in the main branch. |
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280 |
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281 if master is None, do not update linelog. |
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282 |
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283 the first value returned is the annotate result, it is [(node, linenum)] |
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284 by default. [(node, linenum, path)] if showpath is True. |
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285 |
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286 if showlines is True, a second value will be returned, it is a list of |
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287 corresponding line contents. |
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288 """ |
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289 |
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290 # the fast path test requires commit hash, convert rev number to hash, |
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291 # so it may hit the fast path. note: in the "fctx" mode, the "annotate" |
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292 # command could give us a revision number even if the user passes a |
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293 # commit hash. |
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294 if isinstance(rev, int): |
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295 rev = node.hex(self.repo.changelog.node(rev)) |
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296 |
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297 # fast path: if rev is in the main branch already |
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298 directly, revfctx = self.canannotatedirectly(rev) |
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299 if directly: |
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300 if self.ui.debugflag: |
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301 self.ui.debug('fastannotate: %s: using fast path ' |
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302 '(resolved fctx: %s)\n' |
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303 % (self.path, |
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304 stringutil.pprint(util.safehasattr(revfctx, |
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305 'node')))) |
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306 return self.annotatedirectly(revfctx, showpath, showlines) |
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307 |
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308 # resolve master |
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309 masterfctx = None |
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310 if master: |
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311 try: |
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312 masterfctx = self._resolvefctx(master, resolverev=True, |
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313 adjustctx=True) |
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314 except LookupError: # master does not have the file |
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315 pass |
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316 else: |
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317 if masterfctx in self.revmap: # no need to update linelog |
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318 masterfctx = None |
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319 |
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320 # ... - @ <- rev (can be an arbitrary changeset, |
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321 # / not necessarily a descendant |
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322 # master -> o of master) |
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323 # | |
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324 # a merge -> o 'o': new changesets in the main branch |
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325 # |\ '#': revisions in the main branch that |
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326 # o * exist in linelog / revmap |
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327 # | . '*': changesets in side branches, or |
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328 # last master -> # . descendants of master |
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329 # | . |
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330 # # * joint: '#', and is a parent of a '*' |
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331 # |/ |
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332 # a joint -> # ^^^^ --- side branches |
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333 # | |
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334 # ^ --- main branch (in linelog) |
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335 |
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336 # these DFSes are similar to the traditional annotate algorithm. |
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337 # we cannot really reuse the code for perf reason. |
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338 |
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339 # 1st DFS calculates merges, joint points, and needed. |
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340 # "needed" is a simple reference counting dict to free items in |
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341 # "hist", reducing its memory usage otherwise could be huge. |
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342 initvisit = [revfctx] |
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343 if masterfctx: |
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344 if masterfctx.rev() is None: |
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345 raise error.Abort(_('cannot update linelog to wdir()'), |
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346 hint=_('set fastannotate.mainbranch')) |
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347 initvisit.append(masterfctx) |
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348 visit = initvisit[:] |
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349 pcache = {} |
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350 needed = {revfctx: 1} |
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351 hist = {} # {fctx: ([(llrev or fctx, linenum)], text)} |
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352 while visit: |
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353 f = visit.pop() |
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354 if f in pcache or f in hist: |
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355 continue |
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356 if f in self.revmap: # in the old main branch, it's a joint |
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357 llrev = self.revmap.hsh2rev(f.node()) |
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358 self.linelog.annotate(llrev) |
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359 result = self.linelog.annotateresult |
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360 hist[f] = (result, f.data()) |
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361 continue |
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362 pl = self._parentfunc(f) |
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363 pcache[f] = pl |
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364 for p in pl: |
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365 needed[p] = needed.get(p, 0) + 1 |
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366 if p not in pcache: |
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367 visit.append(p) |
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368 |
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369 # 2nd (simple) DFS calculates new changesets in the main branch |
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370 # ('o' nodes in # the above graph), so we know when to update linelog. |
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371 newmainbranch = set() |
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372 f = masterfctx |
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373 while f and f not in self.revmap: |
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374 newmainbranch.add(f) |
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375 pl = pcache[f] |
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376 if pl: |
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377 f = pl[0] |
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378 else: |
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379 f = None |
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380 break |
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381 |
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382 # f, if present, is the position where the last build stopped at, and |
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383 # should be the "master" last time. check to see if we can continue |
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384 # building the linelog incrementally. (we cannot if diverged) |
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385 if masterfctx is not None: |
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386 self._checklastmasterhead(f) |
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387 |
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388 if self.ui.debugflag: |
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389 if newmainbranch: |
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390 self.ui.debug('fastannotate: %s: %d new changesets in the main' |
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391 ' branch\n' % (self.path, len(newmainbranch))) |
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392 elif not hist: # no joints, no updates |
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393 self.ui.debug('fastannotate: %s: linelog cannot help in ' |
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394 'annotating this revision\n' % self.path) |
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395 |
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396 # prepare annotateresult so we can update linelog incrementally |
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397 self.linelog.annotate(self.linelog.maxrev) |
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398 |
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399 # 3rd DFS does the actual annotate |
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400 visit = initvisit[:] |
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401 progress = self.ui.makeprogress(('building cache'), |
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402 total=len(newmainbranch)) |
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403 while visit: |
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404 f = visit[-1] |
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405 if f in hist: |
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406 visit.pop() |
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407 continue |
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408 |
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409 ready = True |
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410 pl = pcache[f] |
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411 for p in pl: |
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412 if p not in hist: |
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413 ready = False |
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414 visit.append(p) |
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415 if not ready: |
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416 continue |
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417 |
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418 visit.pop() |
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419 blocks = None # mdiff blocks, used for appending linelog |
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420 ismainbranch = (f in newmainbranch) |
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421 # curr is the same as the traditional annotate algorithm, |
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422 # if we only care about linear history (do not follow merge), |
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423 # then curr is not actually used. |
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424 assert f not in hist |
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425 curr = _decorate(f) |
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426 for i, p in enumerate(pl): |
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427 bs = list(self._diffblocks(hist[p][1], curr[1])) |
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428 if i == 0 and ismainbranch: |
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429 blocks = bs |
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430 curr = _pair(hist[p], curr, bs) |
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431 if needed[p] == 1: |
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432 del hist[p] |
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433 del needed[p] |
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434 else: |
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435 needed[p] -= 1 |
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436 |
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437 hist[f] = curr |
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438 del pcache[f] |
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439 |
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440 if ismainbranch: # need to write to linelog |
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441 progress.increment() |
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442 bannotated = None |
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443 if len(pl) == 2 and self.opts.followmerge: # merge |
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444 bannotated = curr[0] |
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445 if blocks is None: # no parents, add an empty one |
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446 blocks = list(self._diffblocks('', curr[1])) |
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447 self._appendrev(f, blocks, bannotated) |
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448 elif showpath: # not append linelog, but we need to record path |
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449 self._node2path[f.node()] = f.path() |
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450 |
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451 progress.complete() |
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452 |
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453 result = [ |
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454 ((self.revmap.rev2hsh(fr) if isinstance(fr, int) else fr.node()), l) |
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455 for fr, l in hist[revfctx][0]] # [(node, linenumber)] |
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456 return self._refineannotateresult(result, revfctx, showpath, showlines) |
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457 |
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458 def canannotatedirectly(self, rev): |
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459 """(str) -> bool, fctx or node. |
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460 return (True, f) if we can annotate without updating the linelog, pass |
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461 f to annotatedirectly. |
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462 return (False, f) if we need extra calculation. f is the fctx resolved |
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463 from rev. |
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464 """ |
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465 result = True |
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466 f = None |
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467 if not isinstance(rev, int) and rev is not None: |
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468 hsh = {20: bytes, 40: node.bin}.get(len(rev), lambda x: None)(rev) |
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469 if hsh is not None and (hsh, self.path) in self.revmap: |
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470 f = hsh |
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471 if f is None: |
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472 adjustctx = 'linkrev' if self._perfhack else True |
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473 f = self._resolvefctx(rev, adjustctx=adjustctx, resolverev=True) |
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474 result = f in self.revmap |
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475 if not result and self._perfhack: |
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476 # redo the resolution without perfhack - as we are going to |
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477 # do write operations, we need a correct fctx. |
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478 f = self._resolvefctx(rev, adjustctx=True, resolverev=True) |
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479 return result, f |
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480 |
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481 def annotatealllines(self, rev, showpath=False, showlines=False): |
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482 """(rev : str) -> [(node : str, linenum : int, path : str)] |
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483 |
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484 the result has the same format with annotate, but include all (including |
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485 deleted) lines up to rev. call this after calling annotate(rev, ...) for |
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486 better performance and accuracy. |
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487 """ |
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488 revfctx = self._resolvefctx(rev, resolverev=True, adjustctx=True) |
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|
489 |
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490 # find a chain from rev to anything in the mainbranch |
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491 if revfctx not in self.revmap: |
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492 chain = [revfctx] |
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493 a = '' |
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494 while True: |
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|
495 f = chain[-1] |
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496 pl = self._parentfunc(f) |
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497 if not pl: |
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|
498 break |
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499 if pl[0] in self.revmap: |
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500 a = pl[0].data() |
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501 break |
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502 chain.append(pl[0]) |
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|
503 |
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504 # both self.linelog and self.revmap is backed by filesystem. now |
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505 # we want to modify them but do not want to write changes back to |
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506 # files. so we create in-memory objects and copy them. it's like |
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507 # a "fork". |
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508 linelog = linelogmod.linelog() |
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509 linelog.copyfrom(self.linelog) |
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510 linelog.annotate(linelog.maxrev) |
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511 revmap = revmapmod.revmap() |
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512 revmap.copyfrom(self.revmap) |
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|
513 |
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parents:
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changeset
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514 for f in reversed(chain): |
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parents:
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|
515 b = f.data() |
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parents:
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516 blocks = list(self._diffblocks(a, b)) |
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parents:
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517 self._doappendrev(linelog, revmap, f, blocks) |
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518 a = b |
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parents:
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|
519 else: |
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Augie Fackler <augie@google.com>
parents:
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changeset
|
520 # fastpath: use existing linelog, revmap as we don't write to them |
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parents:
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521 linelog = self.linelog |
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|
522 revmap = self.revmap |
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|
523 |
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Augie Fackler <augie@google.com>
parents:
diff
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|
524 lines = linelog.getalllines() |
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parents:
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525 hsh = revfctx.node() |
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parents:
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|
526 llrev = revmap.hsh2rev(hsh) |
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parents:
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|
527 result = [(revmap.rev2hsh(r), l) for r, l in lines if r <= llrev] |
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parents:
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changeset
|
528 # cannot use _refineannotateresult since we need custom logic for |
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Augie Fackler <augie@google.com>
parents:
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changeset
|
529 # resolving line contents |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
530 if showpath: |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
531 result = self._addpathtoresult(result, revmap) |
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Augie Fackler <augie@google.com>
parents:
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changeset
|
532 if showlines: |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
533 linecontents = self._resolvelines(result, revmap, linelog) |
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parents:
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|
534 result = (result, linecontents) |
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Augie Fackler <augie@google.com>
parents:
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changeset
|
535 return result |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
536 |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
537 def _resolvelines(self, annotateresult, revmap, linelog): |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
538 """(annotateresult) -> [line]. designed for annotatealllines. |
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parents:
diff
changeset
|
539 this is probably the most inefficient code in the whole fastannotate |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
540 directory. but we have made a decision that the linelog does not |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
541 store line contents. so getting them requires random accesses to |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
542 the revlog data, since they can be many, it can be very slow. |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
543 """ |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
544 # [llrev] |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
545 revs = [revmap.hsh2rev(l[0]) for l in annotateresult] |
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parents:
diff
changeset
|
546 result = [None] * len(annotateresult) |
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parents:
diff
changeset
|
547 # {(rev, linenum): [lineindex]} |
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parents:
diff
changeset
|
548 key2idxs = collections.defaultdict(list) |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
549 for i in pycompat.xrange(len(result)): |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
550 key2idxs[(revs[i], annotateresult[i][1])].append(i) |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
551 while key2idxs: |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
552 # find an unresolved line and its linelog rev to annotate |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
553 hsh = None |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
554 try: |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
555 for (rev, _linenum), idxs in key2idxs.iteritems(): |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
556 if revmap.rev2flag(rev) & revmapmod.sidebranchflag: |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
557 continue |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
558 hsh = annotateresult[idxs[0]][0] |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
559 break |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
560 except StopIteration: # no more unresolved lines |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
561 return result |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
562 if hsh is None: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
563 # the remaining key2idxs are not in main branch, resolving them |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
564 # using the hard way... |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
565 revlines = {} |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
566 for (rev, linenum), idxs in key2idxs.iteritems(): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
567 if rev not in revlines: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
568 hsh = annotateresult[idxs[0]][0] |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
569 if self.ui.debugflag: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
570 self.ui.debug('fastannotate: reading %s line #%d ' |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
571 'to resolve lines %r\n' |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
572 % (node.short(hsh), linenum, idxs)) |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
573 fctx = self._resolvefctx(hsh, revmap.rev2path(rev)) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
574 lines = mdiff.splitnewlines(fctx.data()) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
575 revlines[rev] = lines |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
576 for idx in idxs: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
577 result[idx] = revlines[rev][linenum] |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
578 assert all(x is not None for x in result) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
579 return result |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
580 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
581 # run the annotate and the lines should match to the file content |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
582 self.ui.debug('fastannotate: annotate %s to resolve lines\n' |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
583 % node.short(hsh)) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
584 linelog.annotate(rev) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
585 fctx = self._resolvefctx(hsh, revmap.rev2path(rev)) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
586 annotated = linelog.annotateresult |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
587 lines = mdiff.splitnewlines(fctx.data()) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
588 if len(lines) != len(annotated): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
589 raise faerror.CorruptedFileError('unexpected annotated lines') |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
590 # resolve lines from the annotate result |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
591 for i, line in enumerate(lines): |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
592 k = annotated[i] |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
593 if k in key2idxs: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
594 for idx in key2idxs[k]: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
595 result[idx] = line |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
596 del key2idxs[k] |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
597 return result |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
598 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
599 def annotatedirectly(self, f, showpath, showlines): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
600 """like annotate, but when we know that f is in linelog. |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
601 f can be either a 20-char str (node) or a fctx. this is for perf - in |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
602 the best case, the user provides a node and we don't need to read the |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
603 filelog or construct any filecontext. |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
604 """ |
41261
1198c86beb73
fastannotate: fix isinstance checks to be against bytes instead of str
Augie Fackler <augie@google.com>
parents:
40839
diff
changeset
|
605 if isinstance(f, bytes): |
39210
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
606 hsh = f |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
607 else: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
608 hsh = f.node() |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
609 llrev = self.revmap.hsh2rev(hsh) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
610 if not llrev: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
611 raise faerror.CorruptedFileError('%s is not in revmap' |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
612 % node.hex(hsh)) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
613 if (self.revmap.rev2flag(llrev) & revmapmod.sidebranchflag) != 0: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
614 raise faerror.CorruptedFileError('%s is not in revmap mainbranch' |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
615 % node.hex(hsh)) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
616 self.linelog.annotate(llrev) |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
617 result = [(self.revmap.rev2hsh(r), l) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
618 for r, l in self.linelog.annotateresult] |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
619 return self._refineannotateresult(result, f, showpath, showlines) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
620 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
621 def _refineannotateresult(self, result, f, showpath, showlines): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
622 """add the missing path or line contents, they can be expensive. |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
623 f could be either node or fctx. |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
624 """ |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
625 if showpath: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
626 result = self._addpathtoresult(result) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
627 if showlines: |
41261
1198c86beb73
fastannotate: fix isinstance checks to be against bytes instead of str
Augie Fackler <augie@google.com>
parents:
40839
diff
changeset
|
628 if isinstance(f, bytes): # f: node or fctx |
39210
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
629 llrev = self.revmap.hsh2rev(f) |
1ddb296e0dee
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
630 fctx = self._resolvefctx(f, self.revmap.rev2path(llrev)) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
631 else: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
632 fctx = f |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
633 lines = mdiff.splitnewlines(fctx.data()) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
634 if len(lines) != len(result): # linelog is probably corrupted |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
635 raise faerror.CorruptedFileError() |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
636 result = (result, lines) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
637 return result |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
638 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
639 def _appendrev(self, fctx, blocks, bannotated=None): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
640 self._doappendrev(self.linelog, self.revmap, fctx, blocks, bannotated) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
641 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
642 def _diffblocks(self, a, b): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
643 return mdiff.allblocks(a, b, self.opts.diffopts) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
644 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
645 @staticmethod |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
646 def _doappendrev(linelog, revmap, fctx, blocks, bannotated=None): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
647 """append a revision to linelog and revmap""" |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
648 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
649 def getllrev(f): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
650 """(fctx) -> int""" |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
651 # f should not be a linelog revision |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
652 if isinstance(f, int): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
653 raise error.ProgrammingError('f should not be an int') |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
654 # f is a fctx, allocate linelog rev on demand |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
655 hsh = f.node() |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
656 rev = revmap.hsh2rev(hsh) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
657 if rev is None: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
658 rev = revmap.append(hsh, sidebranch=True, path=f.path()) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
659 return rev |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
660 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
661 # append sidebranch revisions to revmap |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
662 siderevs = [] |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
663 siderevmap = {} # node: int |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
664 if bannotated is not None: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
665 for (a1, a2, b1, b2), op in blocks: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
666 if op != '=': |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
667 # f could be either linelong rev, or fctx. |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
668 siderevs += [f for f, l in bannotated[b1:b2] |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
669 if not isinstance(f, int)] |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
670 siderevs = set(siderevs) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
671 if fctx in siderevs: # mainnode must be appended seperately |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
672 siderevs.remove(fctx) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
673 for f in siderevs: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
674 siderevmap[f] = getllrev(f) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
675 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
676 # the changeset in the main branch, could be a merge |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
677 llrev = revmap.append(fctx.node(), path=fctx.path()) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
678 siderevmap[fctx] = llrev |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
679 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
680 for (a1, a2, b1, b2), op in reversed(blocks): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
681 if op == '=': |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
682 continue |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
683 if bannotated is None: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
684 linelog.replacelines(llrev, a1, a2, b1, b2) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
685 else: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
686 blines = [((r if isinstance(r, int) else siderevmap[r]), l) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
687 for r, l in bannotated[b1:b2]] |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
688 linelog.replacelines_vec(llrev, a1, a2, blines) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
689 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
690 def _addpathtoresult(self, annotateresult, revmap=None): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
691 """(revmap, [(node, linenum)]) -> [(node, linenum, path)]""" |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
692 if revmap is None: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
693 revmap = self.revmap |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
694 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
695 def _getpath(nodeid): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
696 path = self._node2path.get(nodeid) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
697 if path is None: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
698 path = revmap.rev2path(revmap.hsh2rev(nodeid)) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
699 self._node2path[nodeid] = path |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
700 return path |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
701 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
702 return [(n, l, _getpath(n)) for n, l in annotateresult] |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
703 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
704 def _checklastmasterhead(self, fctx): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
705 """check if fctx is the master's head last time, raise if not""" |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
706 if fctx is None: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
707 llrev = 0 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
708 else: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
709 llrev = self.revmap.hsh2rev(fctx.node()) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
710 if not llrev: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
711 raise faerror.CannotReuseError() |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
712 if self.linelog.maxrev != llrev: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
713 raise faerror.CannotReuseError() |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
714 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
715 @util.propertycache |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
716 def _parentfunc(self): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
717 """-> (fctx) -> [fctx]""" |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
718 followrename = self.opts.followrename |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
719 followmerge = self.opts.followmerge |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
720 def parents(f): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
721 pl = _parents(f, follow=followrename) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
722 if not followmerge: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
723 pl = pl[:1] |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
724 return pl |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
725 return parents |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
726 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
727 @util.propertycache |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
728 def _perfhack(self): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
729 return self.ui.configbool('fastannotate', 'perfhack') |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
730 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
731 def _resolvefctx(self, rev, path=None, **kwds): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
732 return resolvefctx(self.repo, rev, (path or self.path), **kwds) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
733 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
734 def _unlinkpaths(paths): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
735 """silent, best-effort unlink""" |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
736 for path in paths: |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
737 try: |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
738 util.unlink(path) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
739 except OSError: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
740 pass |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
741 |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
742 class pathhelper(object): |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
743 """helper for getting paths for lockfile, linelog and revmap""" |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
744 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
745 def __init__(self, repo, path, opts=defaultopts): |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
746 # different options use different directories |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
747 self._vfspath = os.path.join('fastannotate', |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
748 opts.shortstr, encodedir(path)) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
749 self._repo = repo |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
750 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
751 @property |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
752 def dirname(self): |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
753 return os.path.dirname(self._repo.vfs.join(self._vfspath)) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
754 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
755 @property |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
756 def linelogpath(self): |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
757 return self._repo.vfs.join(self._vfspath + '.l') |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
758 |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
759 def lock(self): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
760 return lockmod.lock(self._repo.vfs, self._vfspath + '.lock') |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
761 |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
762 @contextlib.contextmanager |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
763 def _lockflock(self): |
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fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
764 """the same as 'lock' but use flock instead of lockmod.lock, to avoid |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
765 creating temporary symlinks.""" |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
766 import fcntl |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
767 lockpath = self.linelogpath |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
768 util.makedirs(os.path.dirname(lockpath)) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
769 lockfd = os.open(lockpath, os.O_RDONLY | os.O_CREAT, 0o664) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
770 fcntl.flock(lockfd, fcntl.LOCK_EX) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
771 try: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
772 yield |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
773 finally: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
774 fcntl.flock(lockfd, fcntl.LOCK_UN) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
775 os.close(lockfd) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
776 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
777 @property |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
778 def revmappath(self): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
779 return self._repo.vfs.join(self._vfspath + '.m') |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
780 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
781 @contextlib.contextmanager |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
782 def annotatecontext(repo, path, opts=defaultopts, rebuild=False): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
783 """context needed to perform (fast) annotate on a file |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
784 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
785 an annotatecontext of a single file consists of two structures: the |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
786 linelog and the revmap. this function takes care of locking. only 1 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
787 process is allowed to write that file's linelog and revmap at a time. |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
788 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
789 when something goes wrong, this function will assume the linelog and the |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
790 revmap are in a bad state, and remove them from disk. |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
791 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
792 use this function in the following way: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
793 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
794 with annotatecontext(...) as actx: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
795 actx. .... |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
796 """ |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
797 helper = pathhelper(repo, path, opts) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
798 util.makedirs(helper.dirname) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
799 revmappath = helper.revmappath |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
800 linelogpath = helper.linelogpath |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
801 actx = None |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
802 try: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
803 with helper.lock(): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
804 actx = _annotatecontext(repo, path, linelogpath, revmappath, opts) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
805 if rebuild: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
806 actx.rebuild() |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
807 yield actx |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
808 except Exception: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
809 if actx is not None: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
810 actx.rebuild() |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
811 repo.ui.debug('fastannotate: %s: cache broken and deleted\n' % path) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
812 raise |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
813 finally: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
814 if actx is not None: |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
815 actx.close() |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
816 |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
817 def fctxannotatecontext(fctx, follow=True, diffopts=None, rebuild=False): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
818 """like annotatecontext but get the context from a fctx. convenient when |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
819 used in fctx.annotate |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
820 """ |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
821 repo = fctx._repo |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
822 path = fctx._path |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
823 if repo.ui.configbool('fastannotate', 'forcefollow', True): |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
824 follow = True |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
825 aopts = annotateopts(diffopts=diffopts, followrename=follow) |
1ddb296e0dee
fastannotate: initial import from Facebook's hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
826 return annotatecontext(repo, path, aopts, rebuild) |