annotate mercurial/merge.py @ 4416:bb1800a7d7e1

merge: fix spurious merges for copies in linear updates We make better use of contexts to accurately identify copies that don't need merges. Add a simple test and update other tests.
author Matt Mackall <mpm@selenic.com>
date Tue, 08 May 2007 02:59:13 -0500
parents 84cd52b48f94
children 0912d8df5e19
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1 # merge.py - directory-level update/merge handling for Mercurial
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2 #
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3 # Copyright 2006 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
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 from node import *
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9 from i18n import gettext as _
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10 from demandload import *
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11 demandload(globals(), "errno util os tempfile context")
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12
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13 def filemerge(repo, fw, fo, wctx, mctx):
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14 """perform a 3-way merge in the working directory
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15
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16 fw = filename in the working directory
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17 fo = filename in other parent
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18 wctx, mctx = working and merge changecontexts
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19 """
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20
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21 def temp(prefix, ctx):
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22 pre = "%s~%s." % (os.path.basename(ctx.path()), prefix)
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23 (fd, name) = tempfile.mkstemp(prefix=pre)
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24 f = os.fdopen(fd, "wb")
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25 repo.wwrite(ctx.path(), ctx.data(), f)
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26 f.close()
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27 return name
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28
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29 fcm = wctx.filectx(fw)
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30 fco = mctx.filectx(fo)
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31
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32 if not fco.cmp(fcm.data()): # files identical?
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33 return None
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34
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35 fca = fcm.ancestor(fco)
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36 if not fca:
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37 fca = repo.filectx(fw, fileid=nullrev)
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38 a = repo.wjoin(fw)
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39 b = temp("base", fca)
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40 c = temp("other", fco)
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41
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42 if fw != fo:
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43 repo.ui.status(_("merging %s and %s\n") % (fw, fo))
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44 else:
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45 repo.ui.status(_("merging %s\n") % fw)
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46
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47 repo.ui.debug(_("my %s other %s ancestor %s\n") % (fcm, fco, fca))
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48
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49 cmd = (os.environ.get("HGMERGE") or repo.ui.config("ui", "merge")
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50 or "hgmerge")
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51 r = util.system('%s "%s" "%s" "%s"' % (cmd, a, b, c), cwd=repo.root,
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52 environ={'HG_FILE': fw,
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53 'HG_MY_NODE': str(wctx.parents()[0]),
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54 'HG_OTHER_NODE': str(mctx)})
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55 if r:
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56 repo.ui.warn(_("merging %s failed!\n") % fw)
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57
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58 os.unlink(b)
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59 os.unlink(c)
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60 return r
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61
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62 def checkunknown(wctx, mctx):
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63 "check for collisions between unknown files and files in mctx"
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64 man = mctx.manifest()
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65 for f in wctx.unknown():
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66 if f in man:
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67 if mctx.filectx(f).cmp(wctx.filectx(f).data()):
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68 raise util.Abort(_("untracked local file '%s' differs"\
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69 " from remote version") % f)
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70
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71 def checkcollision(mctx):
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72 "check for case folding collisions in the destination context"
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73 folded = {}
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74 for fn in mctx.manifest():
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75 fold = fn.lower()
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76 if fold in folded:
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77 raise util.Abort(_("case-folding collision between %s and %s")
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78 % (fn, folded[fold]))
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79 folded[fold] = fn
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80
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81 def forgetremoved(wctx, mctx):
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82 """
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83 Forget removed files
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84
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85 If we're jumping between revisions (as opposed to merging), and if
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86 neither the working directory nor the target rev has the file,
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87 then we need to remove it from the dirstate, to prevent the
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88 dirstate from listing the file when it is no longer in the
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89 manifest.
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90 """
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91
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92 action = []
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93 man = mctx.manifest()
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94 for f in wctx.deleted() + wctx.removed():
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95 if f not in man:
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96 action.append((f, "f"))
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97
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98 return action
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99
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100 def findcopies(repo, m1, m2, ma, limit):
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101 """
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102 Find moves and copies between m1 and m2 back to limit linkrev
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103 """
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104
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105 def nonoverlap(d1, d2, d3):
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106 "Return list of elements in d1 not in d2 or d3"
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107 l = [d for d in d1 if d not in d3 and d not in d2]
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108 l.sort()
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109 return l
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110
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111 def dirname(f):
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112 s = f.rfind("/")
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113 if s == -1:
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114 return ""
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115 return f[:s]
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116
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117 def dirs(files):
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118 d = {}
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119 for f in files:
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120 f = dirname(f)
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121 while f not in d:
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122 d[f] = True
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123 f = dirname(f)
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124 return d
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125
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126 wctx = repo.workingctx()
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127
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128 def makectx(f, n):
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129 if len(n) == 20:
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130 return repo.filectx(f, fileid=n)
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131 return wctx.filectx(f)
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132 ctx = util.cachefunc(makectx)
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133
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134 def findold(fctx):
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135 "find files that path was copied from, back to linkrev limit"
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136 old = {}
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137 seen = {}
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138 orig = fctx.path()
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139 visit = [fctx]
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140 while visit:
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141 fc = visit.pop()
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142 s = str(fc)
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143 if s in seen:
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144 continue
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145 seen[s] = 1
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146 if fc.path() != orig and fc.path() not in old:
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diff changeset
147 old[fc.path()] = 1
3732
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diff changeset
148 if fc.rev() < limit:
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diff changeset
149 continue
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diff changeset
150 visit += fc.parents()
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151
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diff changeset
152 old = old.keys()
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diff changeset
153 old.sort()
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diff changeset
154 return old
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155
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diff changeset
156 copy = {}
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diff changeset
157 fullcopy = {}
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158
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159 def checkcopies(c, man):
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diff changeset
160 '''check possible copies for filectx c'''
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diff changeset
161 for of in findold(c):
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diff changeset
162 if of not in man: # original file not in other manifest?
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diff changeset
163 continue
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diff changeset
164 c2 = ctx(of, man[of])
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diff changeset
165 ca = c.ancestor(c2)
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166 if not ca: # unrelated?
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diff changeset
167 continue
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diff changeset
168 # named changed on only one side?
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diff changeset
169 if ca.path() == c.path() or ca.path() == c2.path():
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diff changeset
170 fullcopy[c.path()] = of # remember for dir rename detection
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diff changeset
171 if c == ca or c2 == ca: # no merge needed, ignore copy
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diff changeset
172 continue
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173 copy[c.path()] = of
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174
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175 if not repo.ui.configbool("merge", "followcopies", True):
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176 return {}
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177
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178 # avoid silly behavior for update from empty dir
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179 if not m1 or not m2 or not ma:
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180 return {}
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181
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diff changeset
182 u1 = nonoverlap(m1, m2, ma)
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183 u2 = nonoverlap(m2, m1, ma)
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184
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185 for f in u1:
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diff changeset
186 checkcopies(ctx(f, m1[f]), m2)
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187
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188 for f in u2:
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diff changeset
189 checkcopies(ctx(f, m2[f]), m1)
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190
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diff changeset
191 if not fullcopy or not repo.ui.configbool("merge", "followdirs", True):
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192 return copy
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193
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diff changeset
194 # generate a directory move map
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diff changeset
195 d1, d2 = dirs(m1), dirs(m2)
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196 invalid = {}
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197 dirmove = {}
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198
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199 # examine each file copy for a potential directory move, which is
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200 # when all the files in a directory are moved to a new directory
3733
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diff changeset
201 for dst, src in fullcopy.items():
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diff changeset
202 dsrc, ddst = dirname(src), dirname(dst)
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diff changeset
203 if dsrc in invalid:
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diff changeset
204 # already seen to be uninteresting
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diff changeset
205 continue
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206 elif dsrc in d1 and ddst in d1:
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207 # directory wasn't entirely moved locally
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208 invalid[dsrc] = True
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diff changeset
209 elif dsrc in d2 and ddst in d2:
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diff changeset
210 # directory wasn't entirely moved remotely
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diff changeset
211 invalid[dsrc] = True
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diff changeset
212 elif dsrc in dirmove and dirmove[dsrc] != ddst:
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diff changeset
213 # files from the same directory moved to two different places
3733
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diff changeset
214 invalid[dsrc] = True
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diff changeset
215 else:
4396
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diff changeset
216 # looks good so far
4115
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diff changeset
217 dirmove[dsrc + "/"] = ddst + "/"
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diff changeset
218
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diff changeset
219 for i in invalid:
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diff changeset
220 if i in dirmove:
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diff changeset
221 del dirmove[i]
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222
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diff changeset
223 del d1, d2, invalid
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diff changeset
224
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diff changeset
225 if not dirmove:
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226 return copy
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diff changeset
227
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diff changeset
228 # check unaccounted nonoverlapping files against directory moves
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diff changeset
229 for f in u1 + u2:
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diff changeset
230 if f not in fullcopy:
4115
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diff changeset
231 for d in dirmove:
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diff changeset
232 if f.startswith(d):
4396
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diff changeset
233 # new file added in a directory that was moved, move it
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diff changeset
234 copy[f] = dirmove[d] + f[len(d):]
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diff changeset
235 break
3733
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diff changeset
236
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237 return copy
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diff changeset
238
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diff changeset
239 def manifestmerge(repo, p1, p2, pa, overwrite, partial):
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diff changeset
240 """
3315
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diff changeset
241 Merge p1 and p2 with ancestor ma and generate merge action list
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diff changeset
242
38be819a1225 merge: update some docstrings
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diff changeset
243 overwrite = whether we clobber working files
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diff changeset
244 partial = function to filter file lists
3105
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diff changeset
245 """
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diff changeset
246
3314
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diff changeset
247 repo.ui.note(_("resolving manifests\n"))
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diff changeset
248 repo.ui.debug(_(" overwrite %s partial %s\n") % (overwrite, bool(partial)))
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diff changeset
249 repo.ui.debug(_(" ancestor %s local %s remote %s\n") % (pa, p1, p2))
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diff changeset
250
3295
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diff changeset
251 m1 = p1.manifest()
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diff changeset
252 m2 = p2.manifest()
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diff changeset
253 ma = pa.manifest()
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diff changeset
254 backwards = (pa == p2)
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diff changeset
255 action = []
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diff changeset
256 copy = {}
3295
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diff changeset
257
3249
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diff changeset
258 def fmerge(f, f2=None, fa=None):
3118
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diff changeset
259 """merge executable flags"""
3249
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diff changeset
260 if not f2:
f05c182430a0 merge: add rename following
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diff changeset
261 f2 = f
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diff changeset
262 fa = f
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diff changeset
263 a, b, c = ma.execf(fa), m1.execf(f), m2.execf(f2)
3118
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diff changeset
264 return ((a^b) | (a^c)) ^ a
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diff changeset
265
3307
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diff changeset
266 def act(msg, m, f, *args):
3295
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diff changeset
267 repo.ui.debug(" %s: %s -> %s\n" % (f, msg, m))
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diff changeset
268 action.append((f, m) + args)
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diff changeset
269
3731
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diff changeset
270 if not (backwards or overwrite):
3371
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diff changeset
271 copy = findcopies(repo, m1, m2, ma, pa.rev())
3730
d377f8d25662 merge: only store one direction of copies in the copy map
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diff changeset
272 copied = dict.fromkeys(copy.values())
3295
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diff changeset
273
3105
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diff changeset
274 # Compare manifests
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diff changeset
275 for f, n in m1.iteritems():
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diff changeset
276 if partial and not partial(f):
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diff changeset
277 continue
3105
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diff changeset
278 if f in m2:
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diff changeset
279 # are files different?
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diff changeset
280 if n != m2[f]:
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diff changeset
281 a = ma.get(f, nullid)
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diff changeset
282 # are both different from the ancestor?
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diff changeset
283 if not overwrite and n != a and m2[f] != a:
3308
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parents: 3307
diff changeset
284 act("versions differ", "m", f, f, f, fmerge(f), False)
3105
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diff changeset
285 # are we clobbering?
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diff changeset
286 # is remote's version newer?
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diff changeset
287 # or are we going back in time and clean?
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diff changeset
288 elif overwrite or m2[f] != a or (backwards and not n[20:]):
3307
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diff changeset
289 act("remote is newer", "g", f, m2.execf(f))
3113
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diff changeset
290 # local is newer, not overwrite, check mode bits
3118
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diff changeset
291 elif fmerge(f) != m1.execf(f):
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
292 act("update permissions", "e", f, m2.execf(f))
3113
d1d1cd5b9484 merge: eliminate confusing queued variable
Matt Mackall <mpm@selenic.com>
parents: 3112
diff changeset
293 # contents same, check mode bits
d1d1cd5b9484 merge: eliminate confusing queued variable
Matt Mackall <mpm@selenic.com>
parents: 3112
diff changeset
294 elif m1.execf(f) != m2.execf(f):
3120
1c1e59aac82a merge: simplify local created logic
Matt Mackall <mpm@selenic.com>
parents: 3119
diff changeset
295 if overwrite or fmerge(f) != m1.execf(f):
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
296 act("update permissions", "e", f, m2.execf(f))
3730
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
297 elif f in copied:
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
298 continue
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
299 elif f in copy:
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
300 f2 = copy[f]
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
301 if f2 not in m2: # directory rename
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
302 act("remote renamed directory to " + f2, "d",
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
303 f, None, f2, m1.execf(f))
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
304 elif f2 in m1: # case 2 A,B/B/B
3730
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
305 act("local copied to " + f2, "m",
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
306 f, f2, f, fmerge(f, f2, f2), False)
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
307 else: # case 4,21 A/B/B
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
308 act("local moved to " + f2, "m",
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
309 f, f2, f, fmerge(f, f2, f2), False)
3105
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
310 elif f in ma:
3117
7a635ef25132 merge: simplify tests for local changed/remote deleted
Matt Mackall <mpm@selenic.com>
parents: 3116
diff changeset
311 if n != ma[f] and not overwrite:
3295
72d1e521da77 merge: use contexts for manifestmerge
Matt Mackall <mpm@selenic.com>
parents: 3292
diff changeset
312 if repo.ui.prompt(
3117
7a635ef25132 merge: simplify tests for local changed/remote deleted
Matt Mackall <mpm@selenic.com>
parents: 3116
diff changeset
313 (_(" local changed %s which remote deleted\n") % f) +
3119
b1de36a4b4df merge: simplify prompt code
Matt Mackall <mpm@selenic.com>
parents: 3118
diff changeset
314 _("(k)eep or (d)elete?"), _("[kd]"), _("k")) == _("d"):
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
315 act("prompt delete", "r", f)
3105
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
316 else:
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
317 act("other deleted", "r", f)
3105
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
318 else:
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
319 # file is created on branch or in working directory
3120
1c1e59aac82a merge: simplify local created logic
Matt Mackall <mpm@selenic.com>
parents: 3119
diff changeset
320 if (overwrite and n[20:] != "u") or (backwards and not n[20:]):
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
321 act("remote deleted", "r", f)
3105
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
322
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
323 for f, n in m2.iteritems():
3248
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3247
diff changeset
324 if partial and not partial(f):
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3247
diff changeset
325 continue
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3247
diff changeset
326 if f in m1:
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3247
diff changeset
327 continue
3729
581d20773326 merge: add copied hash to simplify copy logic
Matt Mackall <mpm@selenic.com>
parents: 3728
diff changeset
328 if f in copied:
581d20773326 merge: add copied hash to simplify copy logic
Matt Mackall <mpm@selenic.com>
parents: 3728
diff changeset
329 continue
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
330 if f in copy:
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
331 f2 = copy[f]
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
332 if f2 not in m1: # directory rename
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
333 act("local renamed directory to " + f2, "d",
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
334 None, f, f2, m2.execf(f))
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
335 elif f2 in m2: # rename case 1, A/A,B/A
3730
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
336 act("remote copied to " + f, "m",
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
337 f2, f, f, fmerge(f2, f, f2), False)
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
338 else: # case 3,20 A/B/A
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
339 act("remote moved to " + f, "m",
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
340 f2, f, f, fmerge(f2, f, f2), True)
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
341 elif f in ma:
3116
920f54a2249e merge: more simplification of m2 manifest scanning
Matt Mackall <mpm@selenic.com>
parents: 3115
diff changeset
342 if overwrite or backwards:
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
343 act("recreating", "g", f, m2.execf(f))
3116
920f54a2249e merge: more simplification of m2 manifest scanning
Matt Mackall <mpm@selenic.com>
parents: 3115
diff changeset
344 elif n != ma[f]:
3295
72d1e521da77 merge: use contexts for manifestmerge
Matt Mackall <mpm@selenic.com>
parents: 3292
diff changeset
345 if repo.ui.prompt(
3116
920f54a2249e merge: more simplification of m2 manifest scanning
Matt Mackall <mpm@selenic.com>
parents: 3115
diff changeset
346 (_("remote changed %s which local deleted\n") % f) +
3119
b1de36a4b4df merge: simplify prompt code
Matt Mackall <mpm@selenic.com>
parents: 3118
diff changeset
347 _("(k)eep or (d)elete?"), _("[kd]"), _("k")) == _("k"):
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
348 act("prompt recreating", "g", f, m2.execf(f))
3115
bb74f809bc95 merge: reorder tests on m2 items in manifestmerge
Matt Mackall <mpm@selenic.com>
parents: 3114
diff changeset
349 else:
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
350 act("remote created", "g", f, m2.execf(f))
3105
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
351
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
352 return action
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
353
3297
69b9471f26bb merge: pass contexts to applyupdates
Matt Mackall <mpm@selenic.com>
parents: 3296
diff changeset
354 def applyupdates(repo, action, wctx, mctx):
3315
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
355 "apply the merge action list to the working directory"
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
356
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
357 updated, merged, removed, unresolved = 0, 0, 0, 0
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
358 action.sort()
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
359 for a in action:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
360 f, m = a[:2]
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
361 if f and f[0] == "/":
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
362 continue
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
363 if m == "r": # remove
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
364 repo.ui.note(_("removing %s\n") % f)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
365 util.audit_path(f)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
366 try:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
367 util.unlink(repo.wjoin(f))
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
368 except OSError, inst:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
369 if inst.errno != errno.ENOENT:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
370 repo.ui.warn(_("update failed to remove %s: %s!\n") %
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
371 (f, inst.strerror))
3673
eb0b4a2d70a9 white space and line break cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3618
diff changeset
372 removed += 1
3308
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3307
diff changeset
373 elif m == "m": # merge
3303
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3299
diff changeset
374 f2, fd, flag, move = a[2:]
3400
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
375 r = filemerge(repo, f, f2, wctx, mctx)
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
376 if r > 0:
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
377 unresolved += 1
3309
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3308
diff changeset
378 else:
3400
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
379 if r is None:
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
380 updated += 1
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
381 else:
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
382 merged += 1
3309
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3308
diff changeset
383 if f != fd:
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3308
diff changeset
384 repo.ui.debug(_("copying %s to %s\n") % (f, fd))
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3308
diff changeset
385 repo.wwrite(fd, repo.wread(f))
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3308
diff changeset
386 if move:
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3308
diff changeset
387 repo.ui.debug(_("removing %s\n") % f)
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3308
diff changeset
388 os.unlink(repo.wjoin(f))
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
389 util.set_exec(repo.wjoin(fd), flag)
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
390 elif m == "g": # get
3306
5c9806554d65 merge: finish removing nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3303
diff changeset
391 flag = a[2]
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
392 repo.ui.note(_("getting %s\n") % f)
3303
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3299
diff changeset
393 t = mctx.filectx(f).data()
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
394 repo.wwrite(f, t)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
395 util.set_exec(repo.wjoin(f), flag)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
396 updated += 1
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
397 elif m == "d": # directory rename
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
398 f2, fd, flag = a[2:]
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
399 if f:
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
400 repo.ui.note(_("moving %s to %s\n") % (f, fd))
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
401 t = wctx.filectx(f).data()
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
402 repo.wwrite(fd, t)
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
403 util.set_exec(repo.wjoin(fd), flag)
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
404 util.unlink(repo.wjoin(f))
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
405 if f2:
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
406 repo.ui.note(_("getting %s to %s\n") % (f2, fd))
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
407 t = mctx.filectx(f2).data()
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
408 repo.wwrite(fd, t)
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
409 util.set_exec(repo.wjoin(fd), flag)
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
410 updated += 1
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
411 elif m == "e": # exec
3303
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3299
diff changeset
412 flag = a[2]
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
413 util.set_exec(repo.wjoin(f), flag)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
414
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
415 return updated, merged, removed, unresolved
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
416
3372
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
417 def recordupdates(repo, action, branchmerge):
3315
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
418 "record merge actions to the dirstate"
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
419
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
420 for a in action:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
421 f, m = a[:2]
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
422 if m == "r": # remove
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
423 if branchmerge:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
424 repo.dirstate.update([f], 'r')
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
425 else:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
426 repo.dirstate.forget([f])
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
427 elif m == "f": # forget
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
428 repo.dirstate.forget([f])
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
429 elif m == "g": # get
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
430 if branchmerge:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
431 repo.dirstate.update([f], 'n', st_mtime=-1)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
432 else:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
433 repo.dirstate.update([f], 'n')
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
434 elif m == "m": # merge
3303
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3299
diff changeset
435 f2, fd, flag, move = a[2:]
3251
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
436 if branchmerge:
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
437 # We've done a branch merge, mark this file as merged
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
438 # so that we properly record the merger later
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
439 repo.dirstate.update([fd], 'm')
3372
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
440 if f != f2: # copy/rename
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
441 if move:
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
442 repo.dirstate.update([f], 'r')
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
443 if f != fd:
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
444 repo.dirstate.copy(f, fd)
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
445 else:
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
446 repo.dirstate.copy(f2, fd)
3251
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
447 else:
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
448 # We've update-merged a locally modified file, so
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
449 # we set the dirstate to emulate a normal checkout
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
450 # of that file some time in the past. Thus our
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
451 # merge will appear as a normal local file
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
452 # modification.
3372
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
453 repo.dirstate.update([fd], 'n', st_size=-1, st_mtime=-1)
3308
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3307
diff changeset
454 if move:
3372
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
455 repo.dirstate.forget([f])
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
456 elif m == "d": # directory rename
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
457 f2, fd, flag = a[2:]
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
458 if branchmerge:
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
459 repo.dirstate.update([fd], 'a')
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
460 if f:
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
461 repo.dirstate.update([f], 'r')
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
462 repo.dirstate.copy(f, fd)
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
463 if f2:
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
464 repo.dirstate.copy(f2, fd)
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
465 else:
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
466 repo.dirstate.update([fd], 'n')
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
467 if f:
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
468 repo.dirstate.forget([f])
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
469
3316
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3315
diff changeset
470 def update(repo, node, branchmerge, force, partial, wlock):
3315
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
471 """
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
472 Perform a merge between the working directory and the given node
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
473
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
474 branchmerge = whether to merge between branches
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
475 force = whether to force branch merging or file overwriting
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
476 partial = a function to filter file lists (dirstate not updated)
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
477 wlock = working dir lock, if already held
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
478 """
2815
4870f795f681 Merge: combine force and forcemerge arguments
Matt Mackall <mpm@selenic.com>
parents: 2814
diff changeset
479
2812
3aeab7bb5adc Refactor update locking slightly
Matt Mackall <mpm@selenic.com>
parents: 2811
diff changeset
480 if not wlock:
3aeab7bb5adc Refactor update locking slightly
Matt Mackall <mpm@selenic.com>
parents: 2811
diff changeset
481 wlock = repo.wlock()
3aeab7bb5adc Refactor update locking slightly
Matt Mackall <mpm@selenic.com>
parents: 2811
diff changeset
482
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
483 overwrite = force and not branchmerge
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
484 forcemerge = force and branchmerge
3218
8d4855fd9d7b merge: use new working context object in update
Matt Mackall <mpm@selenic.com>
parents: 3212
diff changeset
485 wc = repo.workingctx()
8d4855fd9d7b merge: use new working context object in update
Matt Mackall <mpm@selenic.com>
parents: 3212
diff changeset
486 pl = wc.parents()
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
487 p1, p2 = pl[0], repo.changectx(node)
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
488 pa = p1.ancestor(p2)
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
489 fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
490
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
491 ### check phase
3167
e67c22bc8bba merge: use repo.parents and parent contexts in update
Matt Mackall <mpm@selenic.com>
parents: 3162
diff changeset
492 if not overwrite and len(pl) > 1:
2775
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
493 raise util.Abort(_("outstanding uncommitted merges"))
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
494 if pa == p1 or pa == p2: # is there a linear path from p1 to p2?
3110
40e777bda455 merge: remove linear variable
Matt Mackall <mpm@selenic.com>
parents: 3109
diff changeset
495 if branchmerge:
40e777bda455 merge: remove linear variable
Matt Mackall <mpm@selenic.com>
parents: 3109
diff changeset
496 raise util.Abort(_("there is nothing to merge, just use "
40e777bda455 merge: remove linear variable
Matt Mackall <mpm@selenic.com>
parents: 3109
diff changeset
497 "'hg update' or look at 'hg heads'"))
3592
fffc8a733bf9 Backed out changeset 41989e55fa375de4376e7e64b17e38312e8ec140
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3580
diff changeset
498 elif not (overwrite or branchmerge):
fffc8a733bf9 Backed out changeset 41989e55fa375de4376e7e64b17e38312e8ec140
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3580
diff changeset
499 raise util.Abort(_("update spans branches, use 'hg merge' "
fffc8a733bf9 Backed out changeset 41989e55fa375de4376e7e64b17e38312e8ec140
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3580
diff changeset
500 "or 'hg update -C' to lose changes"))
2814
0f787997e3c2 Merge: move most tests to the beginning
Matt Mackall <mpm@selenic.com>
parents: 2813
diff changeset
501 if branchmerge and not forcemerge:
3581
be61bd32046c use workingcontext.files() to detect if the repo is unclean
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3580
diff changeset
502 if wc.files():
2814
0f787997e3c2 Merge: move most tests to the beginning
Matt Mackall <mpm@selenic.com>
parents: 2813
diff changeset
503 raise util.Abort(_("outstanding uncommitted changes"))
0f787997e3c2 Merge: move most tests to the beginning
Matt Mackall <mpm@selenic.com>
parents: 2813
diff changeset
504
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
505 ### calculate phase
3100
87ea5a71f7b9 merge: convert actions to list
Matt Mackall <mpm@selenic.com>
parents: 2981
diff changeset
506 action = []
3107
3bd05ad67f45 merge: pull manifest checks and updates into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3106
diff changeset
507 if not force:
3312
c5075ad5e3e9 merge: use contexts in checkunknown and forgetremoved
Matt Mackall <mpm@selenic.com>
parents: 3311
diff changeset
508 checkunknown(wc, p2)
3785
6398ff7cb705 imported patch collision
Matt Mackall <mpm@selenic.com>
parents: 3773
diff changeset
509 if not util.checkfolding(repo.path):
6398ff7cb705 imported patch collision
Matt Mackall <mpm@selenic.com>
parents: 3773
diff changeset
510 checkcollision(p2)
3110
40e777bda455 merge: remove linear variable
Matt Mackall <mpm@selenic.com>
parents: 3109
diff changeset
511 if not branchmerge:
3312
c5075ad5e3e9 merge: use contexts in checkunknown and forgetremoved
Matt Mackall <mpm@selenic.com>
parents: 3311
diff changeset
512 action += forgetremoved(wc, p2)
3295
72d1e521da77 merge: use contexts for manifestmerge
Matt Mackall <mpm@selenic.com>
parents: 3292
diff changeset
513 action += manifestmerge(repo, wc, p2, pa, overwrite, partial)
2775
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
514
2897
dd032b0f02ac merge: move forgets to the apply stage
Matt Mackall <mpm@selenic.com>
parents: 2896
diff changeset
515 ### apply phase
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
516 if not branchmerge: # just jump to the new rev
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
517 fp1, fp2, xp1, xp2 = fp2, nullid, xp2, ''
3296
20087b4bc6f9 merge: don't call hooks for revert
Matt Mackall <mpm@selenic.com>
parents: 3295
diff changeset
518 if not partial:
20087b4bc6f9 merge: don't call hooks for revert
Matt Mackall <mpm@selenic.com>
parents: 3295
diff changeset
519 repo.hook('preupdate', throw=True, parent1=xp1, parent2=xp2)
2775
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
520
3316
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3315
diff changeset
521 stats = applyupdates(repo, action, wc, p2)
2899
8743188f4d2e merge: consolidate dirstate updates
Matt Mackall <mpm@selenic.com>
parents: 2898
diff changeset
522
2811
1ea086bc2086 Merge: combine choose and moddirstate to partial
Matt Mackall <mpm@selenic.com>
parents: 2810
diff changeset
523 if not partial:
3372
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
524 recordupdates(repo, action, branchmerge)
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
525 repo.dirstate.setparents(fp1, fp2)
4179
7e1c8a565a4f Move branch read/write to dirstate where it belongs
Matt Mackall <mpm@selenic.com>
parents: 4115
diff changeset
526 if not branchmerge:
7e1c8a565a4f Move branch read/write to dirstate where it belongs
Matt Mackall <mpm@selenic.com>
parents: 4115
diff changeset
527 repo.dirstate.setbranch(p2.branch())
3316
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3315
diff changeset
528 repo.hook('update', parent1=xp1, parent2=xp2, error=stats[3])
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
529
3316
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3315
diff changeset
530 return stats
2775
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
531