Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/merge.py @ 3442:798bcde0c9c2

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merge: fix branch setting (and remove debugging message)
author Matt Mackall <mpm@selenic.com>
date Tue, 17 Oct 2006 22:59:01 -0500
parents ef2e990f9047
children 3b4e00cba57a
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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")
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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=-1)
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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(_("'%s' already exists in the working"
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69 " dir and differs from remote") % f)
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70
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71 def forgetremoved(wctx, mctx):
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72 """
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73 Forget removed files
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74
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75 If we're jumping between revisions (as opposed to merging), and if
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76 neither the working directory nor the target rev has the file,
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77 then we need to remove it from the dirstate, to prevent the
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78 dirstate from listing the file when it is no longer in the
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79 manifest.
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80 """
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81
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82 action = []
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83 man = mctx.manifest()
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84 for f in wctx.deleted() + wctx.removed():
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85 if f not in man:
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86 action.append((f, "f"))
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87
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88 return action
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89
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90 def nonoverlap(d1, d2, d3):
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91 "Return list of elements in d1 not in d2 or d3"
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92
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93 l = []
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94 for d in d1:
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95 if d not in d3 and d not in d2:
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96 l.append(d)
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97
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98 l.sort()
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99 return l
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100
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101 def findold(fctx, limit):
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102 "find files that path was copied from, back to linkrev limit"
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103
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104 old = {}
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105 orig = fctx.path()
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106 visit = [fctx]
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107 while visit:
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108 fc = visit.pop()
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109 if fc.rev() < limit:
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110 continue
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111 if fc.path() != orig and fc.path() not in old:
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112 old[fc.path()] = 1
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113 visit += fc.parents()
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114
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115 old = old.keys()
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116 old.sort()
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117 return old
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118
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119 def findcopies(repo, m1, m2, ma, limit):
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120 """
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121 Find moves and copies between m1 and m2 back to limit linkrev
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122 """
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123
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124 if not repo.ui.configbool("merge", "followcopies", True):
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125 return {}
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126
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127 # avoid silly behavior for update from empty dir
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128 if not m1:
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129 return {}
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130
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131 dcopies = repo.dirstate.copies()
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132 copy = {}
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133 match = {}
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134 u1 = nonoverlap(m1, m2, ma)
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135 u2 = nonoverlap(m2, m1, ma)
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136 ctx = util.cachefunc(lambda f,n: repo.filectx(f, fileid=n[:20]))
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137
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138 def checkpair(c, f2, man):
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139 ''' check if an apparent pair actually matches '''
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140 c2 = ctx(f2, man[f2])
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141 ca = c.ancestor(c2)
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142 if ca and ca.path() == c.path() or ca.path() == c2.path():
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143 copy[c.path()] = f2
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144 copy[f2] = c.path()
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145
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146 for f in u1:
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147 c = ctx(dcopies.get(f, f), m1[f])
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148 for of in findold(c, limit):
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parents: 3122
diff changeset
149 if of in m2:
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parents: 3122
diff changeset
150 checkpair(c, of, m2)
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parents: 3122
diff changeset
151 else:
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parents: 3122
diff changeset
152 match.setdefault(of, []).append(f)
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parents: 3122
diff changeset
153
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parents: 3122
diff changeset
154 for f in u2:
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parents: 3122
diff changeset
155 c = ctx(f, m2[f])
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parents: 3122
diff changeset
156 for of in findold(c, limit):
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parents: 3122
diff changeset
157 if of in m1:
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parents: 3122
diff changeset
158 checkpair(c, of, m1)
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parents: 3122
diff changeset
159 elif of in match:
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parents: 3122
diff changeset
160 for mf in match[of]:
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parents: 3122
diff changeset
161 checkpair(c, mf, m1)
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diff changeset
162
c82ea81d6850 Add core copy detection algorithm
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diff changeset
163 return copy
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parents: 3122
diff changeset
164
3301
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diff changeset
165 def manifestmerge(repo, p1, p2, pa, overwrite, partial):
3106
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diff changeset
166 """
3322
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diff changeset
167 Merge p1 and p2 with ancestor ma and generate merge action list
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parents: 3320
diff changeset
168
38be819a1225 merge: update some docstrings
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diff changeset
169 overwrite = whether we clobber working files
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parents: 3320
diff changeset
170 partial = function to filter file lists
3106
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diff changeset
171 """
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diff changeset
172
3320
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diff changeset
173 repo.ui.note(_("resolving manifests\n"))
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diff changeset
174 repo.ui.debug(_(" overwrite %s partial %s\n") % (overwrite, bool(partial)))
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parents: 3318
diff changeset
175 repo.ui.debug(_(" ancestor %s local %s remote %s\n") % (pa, p1, p2))
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parents: 3318
diff changeset
176
3301
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diff changeset
177 m1 = p1.manifest()
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parents: 3295
diff changeset
178 m2 = p2.manifest()
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diff changeset
179 ma = pa.manifest()
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diff changeset
180 backwards = (pa == p2)
3320
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diff changeset
181 action = []
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parents: 3318
diff changeset
182 copy = {}
3301
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diff changeset
183
3255
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diff changeset
184 def fmerge(f, f2=None, fa=None):
3119
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diff changeset
185 """merge executable flags"""
3255
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diff changeset
186 if not f2:
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diff changeset
187 f2 = f
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diff changeset
188 fa = f
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parents: 3254
diff changeset
189 a, b, c = ma.execf(fa), m1.execf(f), m2.execf(f2)
3119
5644a05a608c merge: simplify exec flag handling
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parents: 3118
diff changeset
190 return ((a^b) | (a^c)) ^ a
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parents: 3118
diff changeset
191
3313
f009a6f12a59 merge: swap file and mode args for act()
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parents: 3312
diff changeset
192 def act(msg, m, f, *args):
3301
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diff changeset
193 repo.ui.debug(" %s: %s -> %s\n" % (f, msg, m))
3122
2ef0b3aae186 merge: simplify actions with helper function
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parents: 3121
diff changeset
194 action.append((f, m) + args)
2ef0b3aae186 merge: simplify actions with helper function
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parents: 3121
diff changeset
195
3301
72d1e521da77 merge: use contexts for manifestmerge
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parents: 3295
diff changeset
196 if not (backwards or overwrite):
3377
8c36b33a27c7 merge: turn followcopies on by default
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parents: 3323
diff changeset
197 copy = findcopies(repo, m1, m2, ma, pa.rev())
3301
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diff changeset
198
3106
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diff changeset
199 # Compare manifests
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parents: 3105
diff changeset
200 for f, n in m1.iteritems():
3254
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parents: 3248
diff changeset
201 if partial and not partial(f):
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parents: 3248
diff changeset
202 continue
3106
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3105
diff changeset
203 if f in m2:
7c7469d41ade merge: pull manifest comparison out into separate function
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parents: 3105
diff changeset
204 # are files different?
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parents: 3105
diff changeset
205 if n != m2[f]:
7c7469d41ade merge: pull manifest comparison out into separate function
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parents: 3105
diff changeset
206 a = ma.get(f, nullid)
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parents: 3105
diff changeset
207 # are both different from the ancestor?
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parents: 3105
diff changeset
208 if not overwrite and n != a and m2[f] != a:
3314
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parents: 3313
diff changeset
209 act("versions differ", "m", f, f, f, fmerge(f), False)
3106
7c7469d41ade merge: pull manifest comparison out into separate function
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diff changeset
210 # are we clobbering?
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parents: 3105
diff changeset
211 # is remote's version newer?
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parents: 3105
diff changeset
212 # or are we going back in time and clean?
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parents: 3105
diff changeset
213 elif overwrite or m2[f] != a or (backwards and not n[20:]):
3313
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
214 act("remote is newer", "g", f, m2.execf(f))
3114
d1d1cd5b9484 merge: eliminate confusing queued variable
Matt Mackall <mpm@selenic.com>
parents: 3113
diff changeset
215 # local is newer, not overwrite, check mode bits
3119
5644a05a608c merge: simplify exec flag handling
Matt Mackall <mpm@selenic.com>
parents: 3118
diff changeset
216 elif fmerge(f) != m1.execf(f):
3313
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
217 act("update permissions", "e", f, m2.execf(f))
3114
d1d1cd5b9484 merge: eliminate confusing queued variable
Matt Mackall <mpm@selenic.com>
parents: 3113
diff changeset
218 # contents same, check mode bits
d1d1cd5b9484 merge: eliminate confusing queued variable
Matt Mackall <mpm@selenic.com>
parents: 3113
diff changeset
219 elif m1.execf(f) != m2.execf(f):
3121
1c1e59aac82a merge: simplify local created logic
Matt Mackall <mpm@selenic.com>
parents: 3120
diff changeset
220 if overwrite or fmerge(f) != m1.execf(f):
3313
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
221 act("update permissions", "e", f, m2.execf(f))
3255
f05c182430a0 merge: add rename following
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parents: 3254
diff changeset
222 elif f in copy:
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3254
diff changeset
223 f2 = copy[f]
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3254
diff changeset
224 if f in ma: # case 3,20 A/B/A
3314
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3313
diff changeset
225 act("remote moved", "m", f, f2, f2, fmerge(f, f2, f), True)
3255
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3254
diff changeset
226 else:
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3254
diff changeset
227 if f2 in m1: # case 2 A,B/B/B
3314
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3313
diff changeset
228 act("local copied", "m",
3313
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
229 f, f2, f, fmerge(f, f2, f2), False)
3255
f05c182430a0 merge: add rename following
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parents: 3254
diff changeset
230 else: # case 4,21 A/B/B
3314
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3313
diff changeset
231 act("local moved", "m",
3313
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
232 f, f2, f, fmerge(f, f2, f2), False)
3106
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3105
diff changeset
233 elif f in ma:
3118
7a635ef25132 merge: simplify tests for local changed/remote deleted
Matt Mackall <mpm@selenic.com>
parents: 3117
diff changeset
234 if n != ma[f] and not overwrite:
3301
72d1e521da77 merge: use contexts for manifestmerge
Matt Mackall <mpm@selenic.com>
parents: 3295
diff changeset
235 if repo.ui.prompt(
3118
7a635ef25132 merge: simplify tests for local changed/remote deleted
Matt Mackall <mpm@selenic.com>
parents: 3117
diff changeset
236 (_(" local changed %s which remote deleted\n") % f) +
3120
b1de36a4b4df merge: simplify prompt code
Matt Mackall <mpm@selenic.com>
parents: 3119
diff changeset
237 _("(k)eep or (d)elete?"), _("[kd]"), _("k")) == _("d"):
3313
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
238 act("prompt delete", "r", f)
3106
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3105
diff changeset
239 else:
3313
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
240 act("other deleted", "r", f)
3106
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3105
diff changeset
241 else:
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3105
diff changeset
242 # file is created on branch or in working directory
3121
1c1e59aac82a merge: simplify local created logic
Matt Mackall <mpm@selenic.com>
parents: 3120
diff changeset
243 if (overwrite and n[20:] != "u") or (backwards and not n[20:]):
3313
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
244 act("remote deleted", "r", f)
3106
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3105
diff changeset
245
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3105
diff changeset
246 for f, n in m2.iteritems():
3254
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
247 if partial and not partial(f):
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
248 continue
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
249 if f in m1:
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
250 continue
3255
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3254
diff changeset
251 if f in copy:
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3254
diff changeset
252 f2 = copy[f]
3280
ae85272b59a4 merge: copy fixes and tests
Matt Mackall <mpm@selenic.com>
parents: 3257
diff changeset
253 if f2 not in m2: # already seen
3255
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3254
diff changeset
254 continue
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3254
diff changeset
255 # rename case 1, A/A,B/A
3314
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3313
diff changeset
256 act("remote copied", "m", f2, f, f, fmerge(f2, f, f2), False)
3255
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3254
diff changeset
257 elif f in ma:
3117
920f54a2249e merge: more simplification of m2 manifest scanning
Matt Mackall <mpm@selenic.com>
parents: 3116
diff changeset
258 if overwrite or backwards:
3313
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
259 act("recreating", "g", f, m2.execf(f))
3117
920f54a2249e merge: more simplification of m2 manifest scanning
Matt Mackall <mpm@selenic.com>
parents: 3116
diff changeset
260 elif n != ma[f]:
3301
72d1e521da77 merge: use contexts for manifestmerge
Matt Mackall <mpm@selenic.com>
parents: 3295
diff changeset
261 if repo.ui.prompt(
3117
920f54a2249e merge: more simplification of m2 manifest scanning
Matt Mackall <mpm@selenic.com>
parents: 3116
diff changeset
262 (_("remote changed %s which local deleted\n") % f) +
3120
b1de36a4b4df merge: simplify prompt code
Matt Mackall <mpm@selenic.com>
parents: 3119
diff changeset
263 _("(k)eep or (d)elete?"), _("[kd]"), _("k")) == _("k"):
3313
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
264 act("prompt recreating", "g", f, m2.execf(f))
3116
bb74f809bc95 merge: reorder tests on m2 items in manifestmerge
Matt Mackall <mpm@selenic.com>
parents: 3115
diff changeset
265 else:
3313
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
266 act("remote created", "g", f, m2.execf(f))
3106
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3105
diff changeset
267
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3105
diff changeset
268 return action
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3105
diff changeset
269
3303
69b9471f26bb merge: pass contexts to applyupdates
Matt Mackall <mpm@selenic.com>
parents: 3302
diff changeset
270 def applyupdates(repo, action, wctx, mctx):
3322
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3320
diff changeset
271 "apply the merge action list to the working directory"
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3320
diff changeset
272
3112
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
273 updated, merged, removed, unresolved = 0, 0, 0, 0
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
274 action.sort()
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
275 for a in action:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
276 f, m = a[:2]
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
277 if f[0] == "/":
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
278 continue
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
279 if m == "r": # remove
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
280 repo.ui.note(_("removing %s\n") % f)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
281 util.audit_path(f)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
282 try:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
283 util.unlink(repo.wjoin(f))
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
284 except OSError, inst:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
285 if inst.errno != errno.ENOENT:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
286 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: 3111
diff changeset
287 (f, inst.strerror))
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
288 removed +=1
3314
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3313
diff changeset
289 elif m == "m": # merge
3309
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3305
diff changeset
290 f2, fd, flag, move = a[2:]
3407
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3387
diff changeset
291 r = filemerge(repo, f, f2, wctx, mctx)
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3387
diff changeset
292 if r > 0:
3255
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3254
diff changeset
293 unresolved += 1
3315
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
294 else:
3407
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3387
diff changeset
295 if r is None:
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3387
diff changeset
296 updated += 1
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3387
diff changeset
297 else:
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3387
diff changeset
298 merged += 1
3315
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
299 if f != fd:
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
300 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: 3314
diff changeset
301 repo.wwrite(fd, repo.wread(f))
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
302 if move:
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
303 repo.ui.debug(_("removing %s\n") % f)
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
304 os.unlink(repo.wjoin(f))
3255
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3254
diff changeset
305 util.set_exec(repo.wjoin(fd), flag)
3112
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
306 elif m == "g": # get
3312
5c9806554d65 merge: finish removing nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3309
diff changeset
307 flag = a[2]
3112
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
308 repo.ui.note(_("getting %s\n") % f)
3309
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3305
diff changeset
309 t = mctx.filectx(f).data()
3112
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
310 repo.wwrite(f, t)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
311 util.set_exec(repo.wjoin(f), flag)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
312 updated += 1
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
313 elif m == "e": # exec
3309
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3305
diff changeset
314 flag = a[2]
3112
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
315 util.set_exec(repo.wjoin(f), flag)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
316
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
317 return updated, merged, removed, unresolved
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
318
3387
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3377
diff changeset
319 def recordupdates(repo, action, branchmerge):
3322
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3320
diff changeset
320 "record merge actions to the dirstate"
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3320
diff changeset
321
3112
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
322 for a in action:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
323 f, m = a[:2]
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
324 if m == "r": # remove
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
325 if branchmerge:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
326 repo.dirstate.update([f], 'r')
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
327 else:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
328 repo.dirstate.forget([f])
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
329 elif m == "f": # forget
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
330 repo.dirstate.forget([f])
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
331 elif m == "g": # get
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
332 if branchmerge:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
333 repo.dirstate.update([f], 'n', st_mtime=-1)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
334 else:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
335 repo.dirstate.update([f], 'n')
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
336 elif m == "m": # merge
3309
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3305
diff changeset
337 f2, fd, flag, move = a[2:]
3257
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3255
diff changeset
338 if branchmerge:
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3255
diff changeset
339 # We've done a branch merge, mark this file as merged
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3255
diff changeset
340 # so that we properly record the merger later
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3255
diff changeset
341 repo.dirstate.update([fd], 'm')
3387
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3377
diff changeset
342 if f != f2: # copy/rename
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3377
diff changeset
343 if move:
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3377
diff changeset
344 repo.dirstate.update([f], 'r')
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3377
diff changeset
345 if f != fd:
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3377
diff changeset
346 repo.dirstate.copy(f, fd)
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3377
diff changeset
347 else:
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3377
diff changeset
348 repo.dirstate.copy(f2, fd)
3257
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3255
diff changeset
349 else:
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3255
diff changeset
350 # We've update-merged a locally modified file, so
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3255
diff changeset
351 # we set the dirstate to emulate a normal checkout
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3255
diff changeset
352 # of that file some time in the past. Thus our
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3255
diff changeset
353 # merge will appear as a normal local file
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3255
diff changeset
354 # modification.
3387
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3377
diff changeset
355 repo.dirstate.update([fd], 'n', st_size=-1, st_mtime=-1)
3314
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3313
diff changeset
356 if move:
3387
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3377
diff changeset
357 repo.dirstate.forget([f])
3112
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3111
diff changeset
358
3323
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3322
diff changeset
359 def update(repo, node, branchmerge, force, partial, wlock):
3322
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3320
diff changeset
360 """
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3320
diff changeset
361 Perform a merge between the working directory and the given node
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3320
diff changeset
362
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3320
diff changeset
363 branchmerge = whether to merge between branches
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3320
diff changeset
364 force = whether to force branch merging or file overwriting
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3320
diff changeset
365 partial = a function to filter file lists (dirstate not updated)
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3320
diff changeset
366 wlock = working dir lock, if already held
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3320
diff changeset
367 """
2829
4870f795f681 Merge: combine force and forcemerge arguments
Matt Mackall <mpm@selenic.com>
parents: 2828
diff changeset
368
2826
3aeab7bb5adc Refactor update locking slightly
Matt Mackall <mpm@selenic.com>
parents: 2825
diff changeset
369 if not wlock:
3aeab7bb5adc Refactor update locking slightly
Matt Mackall <mpm@selenic.com>
parents: 2825
diff changeset
370 wlock = repo.wlock()
3aeab7bb5adc Refactor update locking slightly
Matt Mackall <mpm@selenic.com>
parents: 2825
diff changeset
371
3320
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3318
diff changeset
372 overwrite = force and not branchmerge
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3318
diff changeset
373 forcemerge = force and branchmerge
3240
8d4855fd9d7b merge: use new working context object in update
Matt Mackall <mpm@selenic.com>
parents: 3234
diff changeset
374 wc = repo.workingctx()
8d4855fd9d7b merge: use new working context object in update
Matt Mackall <mpm@selenic.com>
parents: 3234
diff changeset
375 pl = wc.parents()
3320
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3318
diff changeset
376 p1, p2 = pl[0], repo.changectx(node)
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3318
diff changeset
377 pa = p1.ancestor(p2)
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3318
diff changeset
378 fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3318
diff changeset
379
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3318
diff changeset
380 ### check phase
3200
e67c22bc8bba merge: use repo.parents and parent contexts in update
Matt Mackall <mpm@selenic.com>
parents: 3163
diff changeset
381 if not overwrite and len(pl) > 1:
2799
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
382 raise util.Abort(_("outstanding uncommitted merges"))
3320
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3318
diff changeset
383 if pa == p1 or pa == p2: # is there a linear path from p1 to p2?
3111
40e777bda455 merge: remove linear variable
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
384 if branchmerge:
40e777bda455 merge: remove linear variable
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
385 raise util.Abort(_("there is nothing to merge, just use "
40e777bda455 merge: remove linear variable
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
386 "'hg update' or look at 'hg heads'"))
40e777bda455 merge: remove linear variable
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
387 elif not (overwrite or branchmerge):
2829
4870f795f681 Merge: combine force and forcemerge arguments
Matt Mackall <mpm@selenic.com>
parents: 2828
diff changeset
388 raise util.Abort(_("update spans branches, use 'hg merge' "
2828
0f787997e3c2 Merge: move most tests to the beginning
Matt Mackall <mpm@selenic.com>
parents: 2827
diff changeset
389 "or 'hg update -C' to lose changes"))
0f787997e3c2 Merge: move most tests to the beginning
Matt Mackall <mpm@selenic.com>
parents: 2827
diff changeset
390 if branchmerge and not forcemerge:
3240
8d4855fd9d7b merge: use new working context object in update
Matt Mackall <mpm@selenic.com>
parents: 3234
diff changeset
391 if wc.modified() or wc.added() or wc.removed():
2828
0f787997e3c2 Merge: move most tests to the beginning
Matt Mackall <mpm@selenic.com>
parents: 2827
diff changeset
392 raise util.Abort(_("outstanding uncommitted changes"))
0f787997e3c2 Merge: move most tests to the beginning
Matt Mackall <mpm@selenic.com>
parents: 2827
diff changeset
393
3320
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3318
diff changeset
394 ### calculate phase
3101
87ea5a71f7b9 merge: convert actions to list
Matt Mackall <mpm@selenic.com>
parents: 3097
diff changeset
395 action = []
3108
3bd05ad67f45 merge: pull manifest checks and updates into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3107
diff changeset
396 if not force:
3318
c5075ad5e3e9 merge: use contexts in checkunknown and forgetremoved
Matt Mackall <mpm@selenic.com>
parents: 3317
diff changeset
397 checkunknown(wc, p2)
3111
40e777bda455 merge: remove linear variable
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
398 if not branchmerge:
3318
c5075ad5e3e9 merge: use contexts in checkunknown and forgetremoved
Matt Mackall <mpm@selenic.com>
parents: 3317
diff changeset
399 action += forgetremoved(wc, p2)
3301
72d1e521da77 merge: use contexts for manifestmerge
Matt Mackall <mpm@selenic.com>
parents: 3295
diff changeset
400 action += manifestmerge(repo, wc, p2, pa, overwrite, partial)
2799
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
401
2917
dd032b0f02ac merge: move forgets to the apply stage
Matt Mackall <mpm@selenic.com>
parents: 2916
diff changeset
402 ### apply phase
3320
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3318
diff changeset
403 if not branchmerge: # just jump to the new rev
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3318
diff changeset
404 fp1, fp2, xp1, xp2 = fp2, nullid, xp2, ''
3302
20087b4bc6f9 merge: don't call hooks for revert
Matt Mackall <mpm@selenic.com>
parents: 3301
diff changeset
405 if not partial:
20087b4bc6f9 merge: don't call hooks for revert
Matt Mackall <mpm@selenic.com>
parents: 3301
diff changeset
406 repo.hook('preupdate', throw=True, parent1=xp1, parent2=xp2)
2799
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
407
3323
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3322
diff changeset
408 stats = applyupdates(repo, action, wc, p2)
2919
8743188f4d2e merge: consolidate dirstate updates
Matt Mackall <mpm@selenic.com>
parents: 2918
diff changeset
409
2825
1ea086bc2086 Merge: combine choose and moddirstate to partial
Matt Mackall <mpm@selenic.com>
parents: 2824
diff changeset
410 if not partial:
3387
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3377
diff changeset
411 recordupdates(repo, action, branchmerge)
3320
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3318
diff changeset
412 repo.dirstate.setparents(fp1, fp2)
3323
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3322
diff changeset
413 repo.hook('update', parent1=xp1, parent2=xp2, error=stats[3])
3441
ef2e990f9047 imported patch foo
Matt Mackall <mpm@selenic.com>
parents: 3407
diff changeset
414 if not branchmerge:
3442
798bcde0c9c2 merge: fix branch setting
Matt Mackall <mpm@selenic.com>
parents: 3441
diff changeset
415 repo.opener("branch", "w").write(p2.branch() + "\n")
3320
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3318
diff changeset
416
3323
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3322
diff changeset
417 return stats
2799
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
418