Mercurial > hg
annotate mercurial/copies.py @ 39263:eebd591803ab
copies: correctly skip directories that have already been considered
Previously, `if dsrc in invalid` would never be true, since we added
`dsrc +"/"` to invalid, not `dsrc` itself. Since it's much more common for
individual files (not whole directories) to be moved, it seemed cleaner to
delay appending the "/" until we know we have some directory moves to
actually consider.
I haven't benchmarked this, but I imagine this is a mild performance win.
Differential Revision: https://phab.mercurial-scm.org/D4284
author | Kyle Lippincott <spectral@google.com> |
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date | Wed, 15 Aug 2018 14:41:27 -0700 |
parents | fbec9c0b32d3 |
children | a41497b5117c |
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1 # copies.py - copy detection for Mercurial |
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2 # |
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3 # Copyright 2008 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 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 heapq |
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12 import os |
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13 |
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14 from .i18n import _ |
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15 |
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16 from . import ( |
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17 match as matchmod, |
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18 node, |
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19 pathutil, |
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20 scmutil, |
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21 util, |
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22 ) |
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23 |
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24 def _findlimit(repo, a, b): |
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25 """ |
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26 Find the last revision that needs to be checked to ensure that a full |
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27 transitive closure for file copies can be properly calculated. |
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28 Generally, this means finding the earliest revision number that's an |
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29 ancestor of a or b but not both, except when a or b is a direct descendent |
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30 of the other, in which case we can return the minimum revnum of a and b. |
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31 None if no such revision exists. |
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32 """ |
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33 |
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34 # basic idea: |
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35 # - mark a and b with different sides |
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36 # - if a parent's children are all on the same side, the parent is |
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37 # on that side, otherwise it is on no side |
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38 # - walk the graph in topological order with the help of a heap; |
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39 # - add unseen parents to side map |
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40 # - clear side of any parent that has children on different sides |
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41 # - track number of interesting revs that might still be on a side |
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42 # - track the lowest interesting rev seen |
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43 # - quit when interesting revs is zero |
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44 |
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45 cl = repo.changelog |
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46 working = len(cl) # pseudo rev for the working directory |
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47 if a is None: |
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48 a = working |
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49 if b is None: |
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50 b = working |
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51 |
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52 side = {a: -1, b: 1} |
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53 visit = [-a, -b] |
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54 heapq.heapify(visit) |
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55 interesting = len(visit) |
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56 hascommonancestor = False |
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57 limit = working |
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58 |
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59 while interesting: |
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60 r = -heapq.heappop(visit) |
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61 if r == working: |
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62 parents = [cl.rev(p) for p in repo.dirstate.parents()] |
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63 else: |
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64 parents = cl.parentrevs(r) |
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65 for p in parents: |
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66 if p < 0: |
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67 continue |
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68 if p not in side: |
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69 # first time we see p; add it to visit |
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70 side[p] = side[r] |
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71 if side[p]: |
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72 interesting += 1 |
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73 heapq.heappush(visit, -p) |
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74 elif side[p] and side[p] != side[r]: |
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75 # p was interesting but now we know better |
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76 side[p] = 0 |
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77 interesting -= 1 |
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78 hascommonancestor = True |
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79 if side[r]: |
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80 limit = r # lowest rev visited |
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81 interesting -= 1 |
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82 |
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83 if not hascommonancestor: |
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84 return None |
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85 |
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86 # Consider the following flow (see test-commit-amend.t under issue4405): |
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87 # 1/ File 'a0' committed |
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88 # 2/ File renamed from 'a0' to 'a1' in a new commit (call it 'a1') |
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89 # 3/ Move back to first commit |
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90 # 4/ Create a new commit via revert to contents of 'a1' (call it 'a1-amend') |
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91 # 5/ Rename file from 'a1' to 'a2' and commit --amend 'a1-msg' |
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92 # |
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93 # During the amend in step five, we will be in this state: |
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94 # |
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95 # @ 3 temporary amend commit for a1-amend |
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96 # | |
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97 # o 2 a1-amend |
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98 # | |
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99 # | o 1 a1 |
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100 # |/ |
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101 # o 0 a0 |
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102 # |
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103 # When _findlimit is called, a and b are revs 3 and 0, so limit will be 2, |
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104 # yet the filelog has the copy information in rev 1 and we will not look |
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105 # back far enough unless we also look at the a and b as candidates. |
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106 # This only occurs when a is a descendent of b or visa-versa. |
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107 return min(limit, a, b) |
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108 |
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109 def _chain(src, dst, a, b): |
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110 """chain two sets of copies a->b""" |
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111 t = a.copy() |
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112 for k, v in b.iteritems(): |
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113 if v in t: |
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114 # found a chain |
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115 if t[v] != k: |
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116 # file wasn't renamed back to itself |
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117 t[k] = t[v] |
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118 if v not in dst: |
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119 # chain was a rename, not a copy |
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120 del t[v] |
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121 if v in src: |
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122 # file is a copy of an existing file |
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123 t[k] = v |
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124 |
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125 # remove criss-crossed copies |
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126 for k, v in list(t.items()): |
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127 if k in src and v in dst: |
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128 del t[k] |
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129 |
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130 return t |
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131 |
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132 def _tracefile(fctx, am, limit=-1): |
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133 """return file context that is the ancestor of fctx present in ancestor |
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134 manifest am, stopping after the first ancestor lower than limit""" |
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135 |
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136 for f in fctx.ancestors(): |
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137 if am.get(f.path(), None) == f.filenode(): |
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138 return f |
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139 if limit >= 0 and f.linkrev() < limit and f.rev() < limit: |
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140 return None |
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141 |
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142 def _dirstatecopies(d, match=None): |
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143 ds = d._repo.dirstate |
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144 c = ds.copies().copy() |
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145 for k in list(c): |
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146 if ds[k] not in 'anm' or (match and not match(k)): |
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147 del c[k] |
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148 return c |
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149 |
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150 def _computeforwardmissing(a, b, match=None): |
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151 """Computes which files are in b but not a. |
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152 This is its own function so extensions can easily wrap this call to see what |
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153 files _forwardcopies is about to process. |
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154 """ |
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155 ma = a.manifest() |
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156 mb = b.manifest() |
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157 return mb.filesnotin(ma, match=match) |
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158 |
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159 def _committedforwardcopies(a, b, match): |
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160 """Like _forwardcopies(), but b.rev() cannot be None (working copy)""" |
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161 # files might have to be traced back to the fctx parent of the last |
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162 # one-side-only changeset, but not further back than that |
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163 limit = _findlimit(a._repo, a.rev(), b.rev()) |
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164 if limit is None: |
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165 limit = -1 |
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166 am = a.manifest() |
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167 |
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168 # find where new files came from |
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169 # we currently don't try to find where old files went, too expensive |
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170 # this means we can miss a case like 'hg rm b; hg cp a b' |
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171 cm = {} |
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172 |
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173 # Computing the forward missing is quite expensive on large manifests, since |
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174 # it compares the entire manifests. We can optimize it in the common use |
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175 # case of computing what copies are in a commit versus its parent (like |
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176 # during a rebase or histedit). Note, we exclude merge commits from this |
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177 # optimization, since the ctx.files() for a merge commit is not correct for |
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178 # this comparison. |
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179 forwardmissingmatch = match |
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180 if b.p1() == a and b.p2().node() == node.nullid: |
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181 filesmatcher = scmutil.matchfiles(a._repo, b.files()) |
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182 forwardmissingmatch = matchmod.intersectmatchers(match, filesmatcher) |
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183 missing = _computeforwardmissing(a, b, match=forwardmissingmatch) |
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184 |
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185 ancestrycontext = a._repo.changelog.ancestors([b.rev()], inclusive=True) |
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186 for f in missing: |
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187 fctx = b[f] |
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188 fctx._ancestrycontext = ancestrycontext |
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189 ofctx = _tracefile(fctx, am, limit) |
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190 if ofctx: |
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191 cm[f] = ofctx.path() |
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192 return cm |
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193 |
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194 def _forwardcopies(a, b, match=None): |
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195 """find {dst@b: src@a} copy mapping where a is an ancestor of b""" |
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196 |
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197 # check for working copy |
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198 if b.rev() is None: |
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199 if a == b.p1(): |
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200 # short-circuit to avoid issues with merge states |
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201 return _dirstatecopies(b, match) |
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202 |
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203 cm = _committedforwardcopies(a, b.p1(), match) |
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204 # combine copies from dirstate if necessary |
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205 return _chain(a, b, cm, _dirstatecopies(b, match)) |
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206 return _committedforwardcopies(a, b, match) |
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207 |
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208 def _backwardrenames(a, b): |
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209 if a._repo.ui.config('experimental', 'copytrace') == 'off': |
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210 return {} |
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211 |
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212 # Even though we're not taking copies into account, 1:n rename situations |
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213 # can still exist (e.g. hg cp a b; hg mv a c). In those cases we |
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214 # arbitrarily pick one of the renames. |
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215 f = _forwardcopies(b, a) |
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216 r = {} |
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217 for k, v in sorted(f.iteritems()): |
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218 # remove copies |
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219 if v in a: |
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220 continue |
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221 r[v] = k |
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222 return r |
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223 |
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224 def pathcopies(x, y, match=None): |
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225 """find {dst@y: src@x} copy mapping for directed compare""" |
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226 if x == y or not x or not y: |
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227 return {} |
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228 a = y.ancestor(x) |
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229 if a == x: |
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230 return _forwardcopies(x, y, match=match) |
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231 if a == y: |
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232 return _backwardrenames(x, y) |
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233 return _chain(x, y, _backwardrenames(x, a), |
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234 _forwardcopies(a, y, match=match)) |
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235 |
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236 def _computenonoverlap(repo, c1, c2, addedinm1, addedinm2, baselabel=''): |
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237 """Computes, based on addedinm1 and addedinm2, the files exclusive to c1 |
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238 and c2. This is its own function so extensions can easily wrap this call |
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239 to see what files mergecopies is about to process. |
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240 |
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241 Even though c1 and c2 are not used in this function, they are useful in |
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242 other extensions for being able to read the file nodes of the changed files. |
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243 |
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244 "baselabel" can be passed to help distinguish the multiple computations |
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245 done in the graft case. |
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246 """ |
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247 u1 = sorted(addedinm1 - addedinm2) |
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248 u2 = sorted(addedinm2 - addedinm1) |
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249 |
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250 header = " unmatched files in %s" |
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251 if baselabel: |
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252 header += ' (from %s)' % baselabel |
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253 if u1: |
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254 repo.ui.debug("%s:\n %s\n" % (header % 'local', "\n ".join(u1))) |
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255 if u2: |
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256 repo.ui.debug("%s:\n %s\n" % (header % 'other', "\n ".join(u2))) |
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257 |
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258 narrowmatch = repo.narrowmatch() |
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259 if not narrowmatch.always(): |
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260 u1 = [f for f in u1 if narrowmatch(f)] |
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261 u2 = [f for f in u2 if narrowmatch(f)] |
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262 return u1, u2 |
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263 |
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264 def _makegetfctx(ctx): |
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265 """return a 'getfctx' function suitable for _checkcopies usage |
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266 |
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267 We have to re-setup the function building 'filectx' for each |
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268 '_checkcopies' to ensure the linkrev adjustment is properly setup for |
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269 each. Linkrev adjustment is important to avoid bug in rename |
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270 detection. Moreover, having a proper '_ancestrycontext' setup ensures |
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271 the performance impact of this adjustment is kept limited. Without it, |
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272 each file could do a full dag traversal making the time complexity of |
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273 the operation explode (see issue4537). |
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274 |
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275 This function exists here mostly to limit the impact on stable. Feel |
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276 free to refactor on default. |
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277 """ |
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278 rev = ctx.rev() |
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279 repo = ctx._repo |
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280 ac = getattr(ctx, '_ancestrycontext', None) |
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281 if ac is None: |
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282 revs = [rev] |
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283 if rev is None: |
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284 revs = [p.rev() for p in ctx.parents()] |
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285 ac = repo.changelog.ancestors(revs, inclusive=True) |
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286 ctx._ancestrycontext = ac |
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287 def makectx(f, n): |
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288 if n in node.wdirfilenodeids: # in a working context? |
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289 if ctx.rev() is None: |
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290 return ctx.filectx(f) |
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291 return repo[None][f] |
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292 fctx = repo.filectx(f, fileid=n) |
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293 # setup only needed for filectx not create from a changectx |
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294 fctx._ancestrycontext = ac |
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295 fctx._descendantrev = rev |
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296 return fctx |
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297 return util.lrucachefunc(makectx) |
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298 |
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299 def _combinecopies(copyfrom, copyto, finalcopy, diverge, incompletediverge): |
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300 """combine partial copy paths""" |
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301 remainder = {} |
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302 for f in copyfrom: |
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303 if f in copyto: |
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304 finalcopy[copyto[f]] = copyfrom[f] |
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305 del copyto[f] |
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306 for f in incompletediverge: |
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307 assert f not in diverge |
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308 ic = incompletediverge[f] |
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309 if ic[0] in copyto: |
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310 diverge[f] = [copyto[ic[0]], ic[1]] |
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311 else: |
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312 remainder[f] = ic |
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313 return remainder |
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314 |
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315 def mergecopies(repo, c1, c2, base): |
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316 """ |
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317 The function calling different copytracing algorithms on the basis of config |
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318 which find moves and copies between context c1 and c2 that are relevant for |
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319 merging. 'base' will be used as the merge base. |
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320 |
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321 Copytracing is used in commands like rebase, merge, unshelve, etc to merge |
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322 files that were moved/ copied in one merge parent and modified in another. |
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323 For example: |
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324 |
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325 o ---> 4 another commit |
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326 | |
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327 | o ---> 3 commit that modifies a.txt |
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328 | / |
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329 o / ---> 2 commit that moves a.txt to b.txt |
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330 |/ |
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331 o ---> 1 merge base |
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332 |
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333 If we try to rebase revision 3 on revision 4, since there is no a.txt in |
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334 revision 4, and if user have copytrace disabled, we prints the following |
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335 message: |
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336 |
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337 ```other changed <file> which local deleted``` |
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338 |
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339 Returns five dicts: "copy", "movewithdir", "diverge", "renamedelete" and |
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340 "dirmove". |
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341 |
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342 "copy" is a mapping from destination name -> source name, |
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343 where source is in c1 and destination is in c2 or vice-versa. |
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344 |
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345 "movewithdir" is a mapping from source name -> destination name, |
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346 where the file at source present in one context but not the other |
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347 needs to be moved to destination by the merge process, because the |
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348 other context moved the directory it is in. |
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349 |
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350 "diverge" is a mapping of source name -> list of destination names |
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351 for divergent renames. |
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352 |
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353 "renamedelete" is a mapping of source name -> list of destination |
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354 names for files deleted in c1 that were renamed in c2 or vice-versa. |
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355 |
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356 "dirmove" is a mapping of detected source dir -> destination dir renames. |
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357 This is needed for handling changes to new files previously grafted into |
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358 renamed directories. |
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359 """ |
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360 # avoid silly behavior for update from empty dir |
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361 if not c1 or not c2 or c1 == c2: |
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362 return {}, {}, {}, {}, {} |
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363 |
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364 # avoid silly behavior for parent -> working dir |
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365 if c2.node() is None and c1.node() == repo.dirstate.p1(): |
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366 return repo.dirstate.copies(), {}, {}, {}, {} |
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367 |
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368 copytracing = repo.ui.config('experimental', 'copytrace') |
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369 |
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370 # Copy trace disabling is explicitly below the node == p1 logic above |
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371 # because the logic above is required for a simple copy to be kept across a |
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372 # rebase. |
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373 if copytracing == 'off': |
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374 return {}, {}, {}, {}, {} |
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375 elif copytracing == 'heuristics': |
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376 # Do full copytracing if only non-public revisions are involved as |
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377 # that will be fast enough and will also cover the copies which could |
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378 # be missed by heuristics |
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379 if _isfullcopytraceable(repo, c1, base): |
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380 return _fullcopytracing(repo, c1, c2, base) |
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381 return _heuristicscopytracing(repo, c1, c2, base) |
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382 else: |
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383 return _fullcopytracing(repo, c1, c2, base) |
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384 |
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385 def _isfullcopytraceable(repo, c1, base): |
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386 """ Checks that if base, source and destination are all no-public branches, |
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387 if yes let's use the full copytrace algorithm for increased capabilities |
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388 since it will be fast enough. |
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389 |
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390 `experimental.copytrace.sourcecommitlimit` can be used to set a limit for |
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391 number of changesets from c1 to base such that if number of changesets are |
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392 more than the limit, full copytracing algorithm won't be used. |
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393 """ |
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394 if c1.rev() is None: |
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395 c1 = c1.p1() |
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396 if c1.mutable() and base.mutable(): |
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397 sourcecommitlimit = repo.ui.configint('experimental', |
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398 'copytrace.sourcecommitlimit') |
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399 commits = len(repo.revs('%d::%d', base.rev(), c1.rev())) |
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400 return commits < sourcecommitlimit |
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401 return False |
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402 |
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403 def _fullcopytracing(repo, c1, c2, base): |
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404 """ The full copytracing algorithm which finds all the new files that were |
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405 added from merge base up to the top commit and for each file it checks if |
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406 this file was copied from another file. |
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407 |
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408 This is pretty slow when a lot of changesets are involved but will track all |
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409 the copies. |
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410 """ |
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411 # In certain scenarios (e.g. graft, update or rebase), base can be |
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412 # overridden We still need to know a real common ancestor in this case We |
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413 # can't just compute _c1.ancestor(_c2) and compare it to ca, because there |
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414 # can be multiple common ancestors, e.g. in case of bidmerge. Because our |
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415 # caller may not know if the revision passed in lieu of the CA is a genuine |
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416 # common ancestor or not without explicitly checking it, it's better to |
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417 # determine that here. |
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418 # |
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419 # base.isancestorof(wc) is False, work around that |
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420 _c1 = c1.p1() if c1.rev() is None else c1 |
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421 _c2 = c2.p1() if c2.rev() is None else c2 |
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422 # an endpoint is "dirty" if it isn't a descendant of the merge base |
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423 # if we have a dirty endpoint, we need to trigger graft logic, and also |
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424 # keep track of which endpoint is dirty |
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425 dirtyc1 = not base.isancestorof(_c1) |
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426 dirtyc2 = not base.isancestorof(_c2) |
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427 graft = dirtyc1 or dirtyc2 |
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428 tca = base |
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429 if graft: |
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430 tca = _c1.ancestor(_c2) |
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431 |
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432 limit = _findlimit(repo, c1.rev(), c2.rev()) |
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433 if limit is None: |
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434 # no common ancestor, no copies |
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435 return {}, {}, {}, {}, {} |
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436 repo.ui.debug(" searching for copies back to rev %d\n" % limit) |
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437 |
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438 m1 = c1.manifest() |
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439 m2 = c2.manifest() |
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440 mb = base.manifest() |
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441 |
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442 # gather data from _checkcopies: |
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443 # - diverge = record all diverges in this dict |
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444 # - copy = record all non-divergent copies in this dict |
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445 # - fullcopy = record all copies in this dict |
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446 # - incomplete = record non-divergent partial copies here |
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447 # - incompletediverge = record divergent partial copies here |
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448 diverge = {} # divergence data is shared |
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449 incompletediverge = {} |
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450 data1 = {'copy': {}, |
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451 'fullcopy': {}, |
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452 'incomplete': {}, |
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453 'diverge': diverge, |
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454 'incompletediverge': incompletediverge, |
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455 } |
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456 data2 = {'copy': {}, |
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457 'fullcopy': {}, |
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458 'incomplete': {}, |
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459 'diverge': diverge, |
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460 'incompletediverge': incompletediverge, |
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461 } |
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462 |
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463 # find interesting file sets from manifests |
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464 addedinm1 = m1.filesnotin(mb) |
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465 addedinm2 = m2.filesnotin(mb) |
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466 bothnew = sorted(addedinm1 & addedinm2) |
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467 if tca == base: |
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468 # unmatched file from base |
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469 u1r, u2r = _computenonoverlap(repo, c1, c2, addedinm1, addedinm2) |
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470 u1u, u2u = u1r, u2r |
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471 else: |
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472 # unmatched file from base (DAG rotation in the graft case) |
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473 u1r, u2r = _computenonoverlap(repo, c1, c2, addedinm1, addedinm2, |
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474 baselabel='base') |
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475 # unmatched file from topological common ancestors (no DAG rotation) |
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476 # need to recompute this for directory move handling when grafting |
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477 mta = tca.manifest() |
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478 u1u, u2u = _computenonoverlap(repo, c1, c2, m1.filesnotin(mta), |
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479 m2.filesnotin(mta), |
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480 baselabel='topological common ancestor') |
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481 |
30047
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482 for f in u1u: |
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483 _checkcopies(c1, c2, f, base, tca, dirtyc1, limit, data1) |
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484 |
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485 for f in u2u: |
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486 _checkcopies(c2, c1, f, base, tca, dirtyc2, limit, data2) |
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487 |
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488 copy = dict(data1['copy']) |
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489 copy.update(data2['copy']) |
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490 fullcopy = dict(data1['fullcopy']) |
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491 fullcopy.update(data2['fullcopy']) |
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492 |
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493 if dirtyc1: |
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494 _combinecopies(data2['incomplete'], data1['incomplete'], copy, diverge, |
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495 incompletediverge) |
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496 else: |
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497 _combinecopies(data1['incomplete'], data2['incomplete'], copy, diverge, |
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498 incompletediverge) |
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499 |
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500 renamedelete = {} |
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501 renamedeleteset = set() |
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502 divergeset = set() |
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503 for of, fl in list(diverge.items()): |
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|
504 if len(fl) == 1 or of in c1 or of in c2: |
12683
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|
505 del diverge[of] # not actually divergent, or not a rename |
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506 if of not in c1 and of not in c2: |
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507 # renamed on one side, deleted on the other side, but filter |
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508 # out files that have been renamed and then deleted |
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509 renamedelete[of] = [f for f in fl if f in c1 or f in c2] |
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510 renamedeleteset.update(fl) # reverse map for below |
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511 else: |
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512 divergeset.update(fl) # reverse map for below |
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|
513 |
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514 if bothnew: |
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515 repo.ui.debug(" unmatched files new in both:\n %s\n" |
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|
516 % "\n ".join(bothnew)) |
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517 bothdiverge = {} |
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518 bothincompletediverge = {} |
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519 remainder = {} |
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520 both1 = {'copy': {}, |
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521 'fullcopy': {}, |
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522 'incomplete': {}, |
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523 'diverge': bothdiverge, |
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524 'incompletediverge': bothincompletediverge |
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525 } |
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526 both2 = {'copy': {}, |
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527 'fullcopy': {}, |
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528 'incomplete': {}, |
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529 'diverge': bothdiverge, |
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530 'incompletediverge': bothincompletediverge |
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|
531 } |
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|
532 for f in bothnew: |
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|
533 _checkcopies(c1, c2, f, base, tca, dirtyc1, limit, both1) |
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|
534 _checkcopies(c2, c1, f, base, tca, dirtyc2, limit, both2) |
30202
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|
535 if dirtyc1: |
30208
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|
536 # incomplete copies may only be found on the "dirty" side for bothnew |
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|
537 assert not both2['incomplete'] |
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538 remainder = _combinecopies({}, both1['incomplete'], copy, bothdiverge, |
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539 bothincompletediverge) |
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540 elif dirtyc2: |
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|
541 assert not both1['incomplete'] |
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|
542 remainder = _combinecopies({}, both2['incomplete'], copy, bothdiverge, |
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|
543 bothincompletediverge) |
30202
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544 else: |
30208
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|
545 # incomplete copies and divergences can't happen outside grafts |
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|
546 assert not both1['incomplete'] |
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|
547 assert not both2['incomplete'] |
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|
548 assert not bothincompletediverge |
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|
549 for f in remainder: |
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|
550 assert f not in bothdiverge |
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551 ic = remainder[f] |
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parents:
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|
552 if ic[0] in (m1 if dirtyc1 else m2): |
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parents:
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|
553 # backed-out rename on one side, but watch out for deleted files |
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parents:
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diff
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|
554 bothdiverge[f] = ic |
20641
3db9e798e004
copies: when both sides made the same copy, report it as a copy
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parents:
20294
diff
changeset
|
555 for of, fl in bothdiverge.items(): |
3db9e798e004
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parents:
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|
556 if len(fl) == 2 and fl[0] == fl[1]: |
3db9e798e004
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|
557 copy[fl[0]] = of # not actually divergent, just matching renames |
3db9e798e004
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parents:
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diff
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|
558 |
20990
d9e211a658eb
copies: guard debug section with ui.debugflag
Mads Kiilerich <madski@unity3d.com>
parents:
20989
diff
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|
559 if fullcopy and repo.ui.debugflag: |
16795
e9ae770eff1c
merge: show renamed on one and deleted on the other side in debug output
Thomas Arendsen Hein <thomas@intevation.de>
parents:
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|
560 repo.ui.debug(" all copies found (* = to merge, ! = divergent, " |
e9ae770eff1c
merge: show renamed on one and deleted on the other side in debug output
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parents:
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diff
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|
561 "% = renamed and deleted):\n") |
18362
5a4f220fbfca
copies: report found copies sorted
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parents:
18355
diff
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|
562 for f in sorted(fullcopy): |
6274
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Matt Mackall <mpm@selenic.com>
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563 note = "" |
10282
08a0f04b56bd
many, many trivial check-code fixups
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parents:
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|
564 if f in copy: |
08a0f04b56bd
many, many trivial check-code fixups
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|
565 note += "*" |
26317
07ac78ba2e37
copies: rename diverge2 to divergeset for clarity
Matt Mackall <mpm@selenic.com>
parents:
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566 if f in divergeset: |
10282
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many, many trivial check-code fixups
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parents:
10263
diff
changeset
|
567 note += "!" |
26658
aabfa0fb7e3e
copies: rename renamedelete to renamedeleteset for clarity
Matt Mackall <mpm@selenic.com>
parents:
26657
diff
changeset
|
568 if f in renamedeleteset: |
16795
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Thomas Arendsen Hein <thomas@intevation.de>
parents:
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diff
changeset
|
569 note += "%" |
18135
a6fe1b9cc68f
copies: make debug messages more sensible
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
570 repo.ui.debug(" src: '%s' -> dst: '%s' %s\n" % (fullcopy[f], f, |
a6fe1b9cc68f
copies: make debug messages more sensible
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parents:
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diff
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571 note)) |
26317
07ac78ba2e37
copies: rename diverge2 to divergeset for clarity
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parents:
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diff
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|
572 del divergeset |
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parents:
diff
changeset
|
573 |
16169
c12d4aceba79
copies: remove checkdirs options
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parents:
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diff
changeset
|
574 if not fullcopy: |
30581
43a9e02a7b7f
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parents:
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575 return copy, {}, diverge, renamedelete, {} |
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
576 |
9467
4c041f1ee1b4
do not attempt to translate ui.debug output
Martin Geisler <mg@lazybytes.net>
parents:
9102
diff
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|
577 repo.ui.debug(" checking for directory renames\n") |
6274
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parents:
diff
changeset
|
578 |
f3f383efbeae
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parents:
diff
changeset
|
579 # generate a directory move map |
16178
828fe2ca7cbb
copies: use ctx.dirs() for directory rename detection
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parents:
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diff
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|
580 d1, d2 = c1.dirs(), c2.dirs() |
25288
947771ad5174
copies: document hack for adding '' to set of dirs
Martin von Zweigbergk <martinvonz@google.com>
parents:
25282
diff
changeset
|
581 # Hack for adding '', which is not otherwise added, to d1 and d2 |
18899
d8ff607ef721
scmutil: use new dirs class in dirstate and context
Bryan O'Sullivan <bryano@fb.com>
parents:
18878
diff
changeset
|
582 d1.addpath('/') |
d8ff607ef721
scmutil: use new dirs class in dirstate and context
Bryan O'Sullivan <bryano@fb.com>
parents:
18878
diff
changeset
|
583 d2.addpath('/') |
17055
8b7cd9a998f0
copies: re-include root directory in directory rename detection (issue3511)
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
584 invalid = set() |
6274
f3f383efbeae
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|
585 dirmove = {} |
f3f383efbeae
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parents:
diff
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|
586 |
f3f383efbeae
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parents:
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587 # examine each file copy for a potential directory move, which is |
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copies: move findcopies code to its own module
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diff
changeset
|
588 # when all the files in a directory are moved to a new directory |
7622
4dd7b28003d2
use dict.iteritems() rather than dict.items()
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6762
diff
changeset
|
589 for dst, src in fullcopy.iteritems(): |
25282
0f28815ef066
copies: switch to using pathutil.dirname
Durham Goode <durham@fb.com>
parents:
24782
diff
changeset
|
590 dsrc, ddst = pathutil.dirname(src), pathutil.dirname(dst) |
6274
f3f383efbeae
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parents:
diff
changeset
|
591 if dsrc in invalid: |
f3f383efbeae
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parents:
diff
changeset
|
592 # already seen to be uninteresting |
f3f383efbeae
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parents:
diff
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|
593 continue |
f3f383efbeae
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parents:
diff
changeset
|
594 elif dsrc in d1 and ddst in d1: |
f3f383efbeae
copies: move findcopies code to its own module
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parents:
diff
changeset
|
595 # directory wasn't entirely moved locally |
39263
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copies: correctly skip directories that have already been considered
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parents:
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changeset
|
596 invalid.add(dsrc) |
6274
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597 elif dsrc in d2 and ddst in d2: |
f3f383efbeae
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parents:
diff
changeset
|
598 # directory wasn't entirely moved remotely |
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changeset
|
599 invalid.add(dsrc) |
eebd591803ab
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parents:
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diff
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|
600 elif dsrc in dirmove and dirmove[dsrc] != ddst: |
6274
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parents:
diff
changeset
|
601 # files from the same directory moved to two different places |
39263
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parents:
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diff
changeset
|
602 invalid.add(dsrc) |
6274
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
603 else: |
f3f383efbeae
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parents:
diff
changeset
|
604 # looks good so far |
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parents:
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diff
changeset
|
605 dirmove[dsrc] = ddst |
6274
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parents:
diff
changeset
|
606 |
f3f383efbeae
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parents:
diff
changeset
|
607 for i in invalid: |
f3f383efbeae
copies: move findcopies code to its own module
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parents:
diff
changeset
|
608 if i in dirmove: |
f3f383efbeae
copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
609 del dirmove[i] |
f3f383efbeae
copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
610 del d1, d2, invalid |
f3f383efbeae
copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
611 |
f3f383efbeae
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
612 if not dirmove: |
30581
43a9e02a7b7f
graft: support grafting changes to new file in renamed directory (issue5436)
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
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diff
changeset
|
613 return copy, {}, diverge, renamedelete, {} |
6274
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parents:
diff
changeset
|
614 |
39263
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parents:
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diff
changeset
|
615 dirmove = {k + "/": v + "/" for k, v in dirmove.iteritems()} |
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parents:
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diff
changeset
|
616 |
6274
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parents:
diff
changeset
|
617 for d in dirmove: |
18135
a6fe1b9cc68f
copies: make debug messages more sensible
Siddharth Agarwal <sid0@fb.com>
parents:
18134
diff
changeset
|
618 repo.ui.debug(" discovered dir src: '%s' -> dst: '%s'\n" % |
a6fe1b9cc68f
copies: make debug messages more sensible
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parents:
18134
diff
changeset
|
619 (d, dirmove[d])) |
6274
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copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
620 |
30183
0106f93ca1d5
checkcopies: move 'movewithdir' initialisation right before its usage
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30138
diff
changeset
|
621 movewithdir = {} |
6274
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copies: move findcopies code to its own module
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parents:
diff
changeset
|
622 # check unaccounted nonoverlapping files against directory moves |
30047
d13a7c8bf0a5
copies: split u1/u2 to u1u/u2u and u1r/u2r
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30046
diff
changeset
|
623 for f in u1r + u2r: |
6274
f3f383efbeae
copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
624 if f not in fullcopy: |
f3f383efbeae
copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
625 for d in dirmove: |
f3f383efbeae
copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
626 if f.startswith(d): |
f3f383efbeae
copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
627 # new file added in a directory that was moved, move it |
6425
2d9328a2f81f
copies: skip directory rename checks when not merging
Matt Mackall <mpm@selenic.com>
parents:
6424
diff
changeset
|
628 df = dirmove[d] + f[len(d):] |
6426
e2c49ef2dd6e
copies: don't double-detect items in the directory copy check
Matt Mackall <mpm@selenic.com>
parents:
6425
diff
changeset
|
629 if df not in copy: |
18134
6c35b53cd28b
copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents:
17055
diff
changeset
|
630 movewithdir[f] = df |
18135
a6fe1b9cc68f
copies: make debug messages more sensible
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parents:
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diff
changeset
|
631 repo.ui.debug((" pending file src: '%s' -> " |
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copies: make debug messages more sensible
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parents:
18134
diff
changeset
|
632 "dst: '%s'\n") % (f, df)) |
6274
f3f383efbeae
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parents:
diff
changeset
|
633 break |
f3f383efbeae
copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
634 |
30581
43a9e02a7b7f
graft: support grafting changes to new file in renamed directory (issue5436)
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30361
diff
changeset
|
635 return copy, movewithdir, diverge, renamedelete, dirmove |
19178
4327687ca757
copies: refactor checkcopies() into a top level method
Durham Goode <durham@fb.com>
parents:
18899
diff
changeset
|
636 |
34179
036d47d7cf39
copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34078
diff
changeset
|
637 def _heuristicscopytracing(repo, c1, c2, base): |
036d47d7cf39
copytrace: move fast heuristic copytracing algorithm to core
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parents:
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diff
changeset
|
638 """ Fast copytracing using filename heuristics |
036d47d7cf39
copytrace: move fast heuristic copytracing algorithm to core
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parents:
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diff
changeset
|
639 |
036d47d7cf39
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parents:
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diff
changeset
|
640 Assumes that moves or renames are of following two types: |
036d47d7cf39
copytrace: move fast heuristic copytracing algorithm to core
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parents:
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diff
changeset
|
641 |
036d47d7cf39
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parents:
34078
diff
changeset
|
642 1) Inside a directory only (same directory name but different filenames) |
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parents:
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|
643 2) Move from one directory to another |
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parents:
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diff
changeset
|
644 (same filenames but different directory names) |
036d47d7cf39
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diff
changeset
|
645 |
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diff
changeset
|
646 Works only when there are no merge commits in the "source branch". |
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parents:
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changeset
|
647 Source branch is commits from base up to c2 not including base. |
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changeset
|
648 |
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changeset
|
649 If merge is involved it fallbacks to _fullcopytracing(). |
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diff
changeset
|
650 |
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parents:
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diff
changeset
|
651 Can be used by setting the following config: |
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|
652 |
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parents:
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changeset
|
653 [experimental] |
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diff
changeset
|
654 copytrace = heuristics |
34846
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|
655 |
f05a6e015ecc
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diff
changeset
|
656 In some cases the copy/move candidates found by heuristics can be very large |
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|
657 in number and that will make the algorithm slow. The number of possible |
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|
658 candidates to check can be limited by using the config |
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|
659 `experimental.copytrace.movecandidateslimit` which defaults to 100. |
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|
660 """ |
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|
661 |
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|
662 if c1.rev() is None: |
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|
663 c1 = c1.p1() |
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|
664 if c2.rev() is None: |
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|
665 c2 = c2.p1() |
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666 |
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667 copies = {} |
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668 |
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669 changedfiles = set() |
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670 m1 = c1.manifest() |
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671 if not repo.revs('%d::%d', base.rev(), c2.rev()): |
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672 # If base is not in c2 branch, we switch to fullcopytracing |
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673 repo.ui.debug("switching to full copytracing as base is not " |
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674 "an ancestor of c2\n") |
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675 return _fullcopytracing(repo, c1, c2, base) |
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676 |
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677 ctx = c2 |
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678 while ctx != base: |
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679 if len(ctx.parents()) == 2: |
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680 # To keep things simple let's not handle merges |
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681 repo.ui.debug("switching to full copytracing because of merges\n") |
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682 return _fullcopytracing(repo, c1, c2, base) |
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683 changedfiles.update(ctx.files()) |
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684 ctx = ctx.p1() |
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685 |
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686 cp = _forwardcopies(base, c2) |
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687 for dst, src in cp.iteritems(): |
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688 if src in m1: |
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689 copies[dst] = src |
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690 |
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691 # file is missing if it isn't present in the destination, but is present in |
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692 # the base and present in the source. |
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693 # Presence in the base is important to exclude added files, presence in the |
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694 # source is important to exclude removed files. |
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695 filt = lambda f: f not in m1 and f in base and f in c2 |
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696 missingfiles = [f for f in changedfiles if filt(f)] |
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697 |
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698 if missingfiles: |
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699 basenametofilename = collections.defaultdict(list) |
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700 dirnametofilename = collections.defaultdict(list) |
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701 |
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702 for f in m1.filesnotin(base.manifest()): |
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703 basename = os.path.basename(f) |
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704 dirname = os.path.dirname(f) |
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705 basenametofilename[basename].append(f) |
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706 dirnametofilename[dirname].append(f) |
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707 |
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708 for f in missingfiles: |
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709 basename = os.path.basename(f) |
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710 dirname = os.path.dirname(f) |
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711 samebasename = basenametofilename[basename] |
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712 samedirname = dirnametofilename[dirname] |
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713 movecandidates = samebasename + samedirname |
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714 # f is guaranteed to be present in c2, that's why |
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715 # c2.filectx(f) won't fail |
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716 f2 = c2.filectx(f) |
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717 # we can have a lot of candidates which can slow down the heuristics |
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718 # config value to limit the number of candidates moves to check |
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719 maxcandidates = repo.ui.configint('experimental', |
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720 'copytrace.movecandidateslimit') |
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721 |
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722 if len(movecandidates) > maxcandidates: |
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723 repo.ui.status(_("skipping copytracing for '%s', more " |
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724 "candidates than the limit: %d\n") |
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725 % (f, len(movecandidates))) |
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726 continue |
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727 |
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728 for candidate in movecandidates: |
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729 f1 = c1.filectx(candidate) |
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730 if _related(f1, f2): |
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731 # if there are a few related copies then we'll merge |
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732 # changes into all of them. This matches the behaviour |
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733 # of upstream copytracing |
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734 copies[candidate] = f |
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735 |
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736 return copies, {}, {}, {}, {} |
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737 |
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738 def _related(f1, f2): |
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739 """return True if f1 and f2 filectx have a common ancestor |
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740 |
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741 Walk back to common ancestor to see if the two files originate |
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742 from the same file. Since workingfilectx's rev() is None it messes |
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743 up the integer comparison logic, hence the pre-step check for |
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744 None (f1 and f2 can only be workingfilectx's initially). |
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745 """ |
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746 |
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747 if f1 == f2: |
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748 return f1 # a match |
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749 |
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750 g1, g2 = f1.ancestors(), f2.ancestors() |
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751 try: |
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752 f1r, f2r = f1.linkrev(), f2.linkrev() |
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753 |
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754 if f1r is None: |
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755 f1 = next(g1) |
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756 if f2r is None: |
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757 f2 = next(g2) |
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758 |
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759 while True: |
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760 f1r, f2r = f1.linkrev(), f2.linkrev() |
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761 if f1r > f2r: |
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762 f1 = next(g1) |
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763 elif f2r > f1r: |
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764 f2 = next(g2) |
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765 else: # f1 and f2 point to files in the same linkrev |
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|
766 return f1 == f2 # true if they point to the same file |
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767 except StopIteration: |
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768 return False |
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769 |
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diff
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|
770 def _checkcopies(srcctx, dstctx, f, base, tca, remotebase, limit, data): |
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771 """ |
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|
772 check possible copies of f from msrc to mdst |
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773 |
32561
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774 srcctx = starting context for f in msrc |
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diff
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|
775 dstctx = destination context for f in mdst |
32559
c8c9feffbd35
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diff
changeset
|
776 f = the filename to check (as in msrc) |
30135
3eae81c0a09d
checkcopies: rename 'ca' to 'base'
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diff
changeset
|
777 base = the changectx used as a merge base |
30195
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diff
changeset
|
778 tca = topological common ancestor for graft-like scenarios |
32561
52cdbdd208d8
copies: rename ctx to srcctx
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32560
diff
changeset
|
779 remotebase = True if base is outside tca::srcctx, False otherwise |
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|
780 limit = the rev number to not search beyond |
30185
e2bfe2d52d7a
copies: move variable document from checkcopies to mergecopies
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parents:
30184
diff
changeset
|
781 data = dictionary of dictionary to store copy data. (see mergecopies) |
30045
12cac1e4d6d9
copies: limit is an optimization, and doesn't provide guarantees
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diff
changeset
|
782 |
33879
169baf3d1d3c
copies: fix typo in comment
Gábor Stefanik <gabor.stefanik@nng.com>
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33867
diff
changeset
|
783 note: limit is only an optimization, and provides no guarantee that |
169baf3d1d3c
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Gábor Stefanik <gabor.stefanik@nng.com>
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diff
changeset
|
784 irrelevant revisions will not be visited |
30045
12cac1e4d6d9
copies: limit is an optimization, and doesn't provide guarantees
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parents:
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diff
changeset
|
785 there is no easy way to make this algorithm stop in a guaranteed way |
12cac1e4d6d9
copies: limit is an optimization, and doesn't provide guarantees
Gábor Stefanik <gabor.stefanik@nng.com>
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diff
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|
786 once it "goes behind a certain revision". |
19178
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|
787 """ |
4327687ca757
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diff
changeset
|
788 |
32563
e1e1cc97e05a
copies: remove msrc and mdst parameters
Stanislau Hlebik <stash@fb.com>
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32562
diff
changeset
|
789 msrc = srcctx.manifest() |
e1e1cc97e05a
copies: remove msrc and mdst parameters
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parents:
32562
diff
changeset
|
790 mdst = dstctx.manifest() |
30135
3eae81c0a09d
checkcopies: rename 'ca' to 'base'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
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30075
diff
changeset
|
791 mb = base.manifest() |
30204
1894c830ee74
copies: make _checkcopies handle copy sequences spanning the TCA (issue4028)
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30203
diff
changeset
|
792 mta = tca.manifest() |
30195
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Gábor Stefanik <gabor.stefanik@nng.com>
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diff
changeset
|
793 # Might be true if this call is about finding backward renames, |
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diff
changeset
|
794 # This happens in the case of grafts because the DAG is then rotated. |
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changeset
|
795 # If the file exists in both the base and the source, we are not looking |
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diff
changeset
|
796 # for a rename on the source side, but on the part of the DAG that is |
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parents:
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|
797 # traversed backwards. |
88626de195f8
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|
798 # |
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diff
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|
799 # In the case there is both backward and forward renames (before and after |
30201
856ead835f56
checkcopies: handle divergences contained entirely in tca::ctx
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parents:
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diff
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|
800 # the base) this is more complicated as we must detect a divergence. |
856ead835f56
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diff
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|
801 # We use 'backwards = False' in that case. |
30203
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checkcopies: add logic to handle remotebase
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30202
diff
changeset
|
802 backwards = not remotebase and base != tca and f in mb |
32564
6966e42f833a
copies: rename getfctx to getsrcfctx
Stanislau Hlebik <stash@fb.com>
parents:
32563
diff
changeset
|
803 getsrcfctx = _makegetfctx(srcctx) |
32565
5313d98089f5
copies: introduce getdstfctx
Stanislau Hlebik <stash@fb.com>
parents:
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diff
changeset
|
804 getdstfctx = _makegetfctx(dstctx) |
19178
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diff
changeset
|
805 |
32559
c8c9feffbd35
copies: rename m1 to msrc
Stanislau Hlebik <stash@fb.com>
parents:
32291
diff
changeset
|
806 if msrc[f] == mb.get(f) and not remotebase: |
30229
69ffbbe73dd0
merge: avoid superfluous filemerges when grafting through renames (issue5407)
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30208
diff
changeset
|
807 # Nothing to merge |
69ffbbe73dd0
merge: avoid superfluous filemerges when grafting through renames (issue5407)
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parents:
30208
diff
changeset
|
808 return |
69ffbbe73dd0
merge: avoid superfluous filemerges when grafting through renames (issue5407)
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parents:
30208
diff
changeset
|
809 |
19178
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parents:
18899
diff
changeset
|
810 of = None |
32291
bd872f64a8ba
cleanup: use set literals
Martin von Zweigbergk <martinvonz@google.com>
parents:
31256
diff
changeset
|
811 seen = {f} |
32564
6966e42f833a
copies: rename getfctx to getsrcfctx
Stanislau Hlebik <stash@fb.com>
parents:
32563
diff
changeset
|
812 for oc in getsrcfctx(f, msrc[f]).ancestors(): |
25279
708b19c18adf
mergecopies: avoid slowdown from linkrev adjustment (issue4680)
Matt Mackall <mpm@selenic.com>
parents:
24782
diff
changeset
|
813 ocr = oc.linkrev() |
19178
4327687ca757
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Durham Goode <durham@fb.com>
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changeset
|
814 of = oc.path() |
4327687ca757
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parents:
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diff
changeset
|
815 if of in seen: |
4327687ca757
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parents:
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diff
changeset
|
816 # check limit late - grab last rename before |
4327687ca757
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|
817 if ocr < limit: |
4327687ca757
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diff
changeset
|
818 break |
4327687ca757
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diff
changeset
|
819 continue |
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changeset
|
820 seen.add(of) |
4327687ca757
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diff
changeset
|
821 |
30195
88626de195f8
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diff
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|
822 # remember for dir rename detection |
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|
823 if backwards: |
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diff
changeset
|
824 data['fullcopy'][of] = f # grafting backwards through renames |
88626de195f8
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30194
diff
changeset
|
825 else: |
88626de195f8
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Gábor Stefanik <gabor.stefanik@nng.com>
parents:
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diff
changeset
|
826 data['fullcopy'][f] = of |
32560
931b7707179f
copies: rename m2 to mdst
Stanislau Hlebik <stash@fb.com>
parents:
32559
diff
changeset
|
827 if of not in mdst: |
19178
4327687ca757
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parents:
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diff
changeset
|
828 continue # no match, keep looking |
32560
931b7707179f
copies: rename m2 to mdst
Stanislau Hlebik <stash@fb.com>
parents:
32559
diff
changeset
|
829 if mdst[of] == mb.get(of): |
30075
2c8ec8c2ddfe
copies: don't record divergence for files needing no merge
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30048
diff
changeset
|
830 return # no merge needed, quit early |
32565
5313d98089f5
copies: introduce getdstfctx
Stanislau Hlebik <stash@fb.com>
parents:
32564
diff
changeset
|
831 c2 = getdstfctx(of, mdst[of]) |
30137
f85f9e069e09
checkcopies: add an inline comment about the '_related' call
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30136
diff
changeset
|
832 # c2 might be a plain new file on added on destination side that is |
f85f9e069e09
checkcopies: add an inline comment about the '_related' call
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30136
diff
changeset
|
833 # unrelated to the droids we are looking for. |
37392
a4f02a17420d
copies: clean up _related logic
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
36346
diff
changeset
|
834 cr = _related(oc, c2) |
19178
4327687ca757
copies: refactor checkcopies() into a top level method
Durham Goode <durham@fb.com>
parents:
18899
diff
changeset
|
835 if cr and (of == f or of == c2.path()): # non-divergent |
30195
88626de195f8
copies: make _checkcopies handle simple renames in a rotated DAG
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30194
diff
changeset
|
836 if backwards: |
88626de195f8
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parents:
30194
diff
changeset
|
837 data['copy'][of] = f |
88626de195f8
copies: make _checkcopies handle simple renames in a rotated DAG
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30194
diff
changeset
|
838 elif of in mb: |
30188
8a864844d5a0
checkcopies: add a sanity check against false-positive copies
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30186
diff
changeset
|
839 data['copy'][f] = of |
30203
b94b92f0c683
checkcopies: add logic to handle remotebase
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30202
diff
changeset
|
840 elif remotebase: # special case: a <- b <- a -> b "ping-pong" rename |
b94b92f0c683
checkcopies: add logic to handle remotebase
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30202
diff
changeset
|
841 data['copy'][of] = f |
b94b92f0c683
checkcopies: add logic to handle remotebase
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30202
diff
changeset
|
842 del data['fullcopy'][f] |
b94b92f0c683
checkcopies: add logic to handle remotebase
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30202
diff
changeset
|
843 data['fullcopy'][of] = f |
30201
856ead835f56
checkcopies: handle divergences contained entirely in tca::ctx
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30197
diff
changeset
|
844 else: # divergence w.r.t. graft CA on one side of topological CA |
856ead835f56
checkcopies: handle divergences contained entirely in tca::ctx
Gábor Stefanik <gabor.stefanik@nng.com>
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30197
diff
changeset
|
845 for sf in seen: |
856ead835f56
checkcopies: handle divergences contained entirely in tca::ctx
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30197
diff
changeset
|
846 if sf in mb: |
856ead835f56
checkcopies: handle divergences contained entirely in tca::ctx
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30197
diff
changeset
|
847 assert sf not in data['diverge'] |
856ead835f56
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Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30197
diff
changeset
|
848 data['diverge'][sf] = [f, of] |
856ead835f56
checkcopies: handle divergences contained entirely in tca::ctx
Gábor Stefanik <gabor.stefanik@nng.com>
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30197
diff
changeset
|
849 break |
30075
2c8ec8c2ddfe
copies: don't record divergence for files needing no merge
Gábor Stefanik <gabor.stefanik@nng.com>
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30048
diff
changeset
|
850 return |
19178
4327687ca757
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parents:
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diff
changeset
|
851 |
30204
1894c830ee74
copies: make _checkcopies handle copy sequences spanning the TCA (issue4028)
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parents:
30203
diff
changeset
|
852 if of in mta: |
1894c830ee74
copies: make _checkcopies handle copy sequences spanning the TCA (issue4028)
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30203
diff
changeset
|
853 if backwards or remotebase: |
1894c830ee74
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parents:
30203
diff
changeset
|
854 data['incomplete'][of] = f |
1894c830ee74
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parents:
30203
diff
changeset
|
855 else: |
1894c830ee74
copies: make _checkcopies handle copy sequences spanning the TCA (issue4028)
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30203
diff
changeset
|
856 for sf in seen: |
1894c830ee74
copies: make _checkcopies handle copy sequences spanning the TCA (issue4028)
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30203
diff
changeset
|
857 if sf in mb: |
1894c830ee74
copies: make _checkcopies handle copy sequences spanning the TCA (issue4028)
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parents:
30203
diff
changeset
|
858 if tca == base: |
1894c830ee74
copies: make _checkcopies handle copy sequences spanning the TCA (issue4028)
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30203
diff
changeset
|
859 data['diverge'].setdefault(sf, []).append(f) |
1894c830ee74
copies: make _checkcopies handle copy sequences spanning the TCA (issue4028)
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30203
diff
changeset
|
860 else: |
1894c830ee74
copies: make _checkcopies handle copy sequences spanning the TCA (issue4028)
Gábor Stefanik <gabor.stefanik@nng.com>
parents:
30203
diff
changeset
|
861 data['incompletediverge'][sf] = [of, f] |
1894c830ee74
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30203
diff
changeset
|
862 return |
22901
722117c8e023
duplicatecopies: move from cmdutil to copies
Matt Mackall <mpm@selenic.com>
parents:
20990
diff
changeset
|
863 |
34787
754b5117622f
context: add workingfilectx.markcopied
Phil Cohen <phillco@fb.com>
parents:
34516
diff
changeset
|
864 def duplicatecopies(repo, wctx, rev, fromrev, skiprev=None): |
35421
9cf37d111acb
copies: consistently use """ for docstrings
Martin von Zweigbergk <martinvonz@google.com>
parents:
35420
diff
changeset
|
865 """reproduce copies from fromrev to rev in the dirstate |
22901
722117c8e023
duplicatecopies: move from cmdutil to copies
Matt Mackall <mpm@selenic.com>
parents:
20990
diff
changeset
|
866 |
722117c8e023
duplicatecopies: move from cmdutil to copies
Matt Mackall <mpm@selenic.com>
parents:
20990
diff
changeset
|
867 If skiprev is specified, it's a revision that should be used to |
722117c8e023
duplicatecopies: move from cmdutil to copies
Matt Mackall <mpm@selenic.com>
parents:
20990
diff
changeset
|
868 filter copy records. Any copies that occur between fromrev and |
722117c8e023
duplicatecopies: move from cmdutil to copies
Matt Mackall <mpm@selenic.com>
parents:
20990
diff
changeset
|
869 skiprev will not be duplicated, even if they appear in the set of |
722117c8e023
duplicatecopies: move from cmdutil to copies
Matt Mackall <mpm@selenic.com>
parents:
20990
diff
changeset
|
870 copies between fromrev and rev. |
35421
9cf37d111acb
copies: consistently use """ for docstrings
Martin von Zweigbergk <martinvonz@google.com>
parents:
35420
diff
changeset
|
871 """ |
22901
722117c8e023
duplicatecopies: move from cmdutil to copies
Matt Mackall <mpm@selenic.com>
parents:
20990
diff
changeset
|
872 exclude = {} |
26013
38f92d12357c
copy: add flag for disabling copy tracing
Durham Goode <durham@fb.com>
parents:
25924
diff
changeset
|
873 if (skiprev is not None and |
34077
26531db4647a
copytrace: replace experimental.disablecopytrace config with copytrace (BC)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33880
diff
changeset
|
874 repo.ui.config('experimental', 'copytrace') != 'off'): |
26531db4647a
copytrace: replace experimental.disablecopytrace config with copytrace (BC)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33880
diff
changeset
|
875 # copytrace='off' skips this line, but not the entire function because |
26013
38f92d12357c
copy: add flag for disabling copy tracing
Durham Goode <durham@fb.com>
parents:
25924
diff
changeset
|
876 # the line below is O(size of the repo) during a rebase, while the rest |
38f92d12357c
copy: add flag for disabling copy tracing
Durham Goode <durham@fb.com>
parents:
25924
diff
changeset
|
877 # of the function is much faster (and is required for carrying copy |
38f92d12357c
copy: add flag for disabling copy tracing
Durham Goode <durham@fb.com>
parents:
25924
diff
changeset
|
878 # metadata across the rebase anyway). |
22901
722117c8e023
duplicatecopies: move from cmdutil to copies
Matt Mackall <mpm@selenic.com>
parents:
20990
diff
changeset
|
879 exclude = pathcopies(repo[fromrev], repo[skiprev]) |
722117c8e023
duplicatecopies: move from cmdutil to copies
Matt Mackall <mpm@selenic.com>
parents:
20990
diff
changeset
|
880 for dst, src in pathcopies(repo[fromrev], repo[rev]).iteritems(): |
722117c8e023
duplicatecopies: move from cmdutil to copies
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
881 # copies.pathcopies returns backward renames, so dst might not |
722117c8e023
duplicatecopies: move from cmdutil to copies
Matt Mackall <mpm@selenic.com>
parents:
20990
diff
changeset
|
882 # actually be in the dirstate |
722117c8e023
duplicatecopies: move from cmdutil to copies
Matt Mackall <mpm@selenic.com>
parents:
20990
diff
changeset
|
883 if dst in exclude: |
722117c8e023
duplicatecopies: move from cmdutil to copies
Matt Mackall <mpm@selenic.com>
parents:
20990
diff
changeset
|
884 continue |
34787
754b5117622f
context: add workingfilectx.markcopied
Phil Cohen <phillco@fb.com>
parents:
34516
diff
changeset
|
885 wctx[dst].markcopied(src) |