Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/merge.py @ 3715:6cb3aca69cdc

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Make context __eq__ handle arbitrary RHS values
author Brendan Cully <brendan@kublai.com>
date Mon, 27 Nov 2006 15:27:09 -0800
parents 91690473856c
children 0fb66912040a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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=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 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 not ca or c == ca or c2 == ca:
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143 return
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144 if ca.path() == c.path() or ca.path() == c2.path():
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145 copy[c.path()] = f2
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146 copy[f2] = c.path()
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147
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148 for f in u1:
3155
56c59ba7aa76 findcopies: use dirstate rename information
Matt Mackall <mpm@selenic.com>
parents: 3153
diff changeset
149 c = ctx(dcopies.get(f, f), m1[f])
3153
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parents: 3121
diff changeset
150 for of in findold(c, limit):
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parents: 3121
diff changeset
151 if of in m2:
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parents: 3121
diff changeset
152 checkpair(c, of, m2)
c82ea81d6850 Add core copy detection algorithm
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parents: 3121
diff changeset
153 else:
c82ea81d6850 Add core copy detection algorithm
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parents: 3121
diff changeset
154 match.setdefault(of, []).append(f)
c82ea81d6850 Add core copy detection algorithm
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parents: 3121
diff changeset
155
c82ea81d6850 Add core copy detection algorithm
Matt Mackall <mpm@selenic.com>
parents: 3121
diff changeset
156 for f in u2:
c82ea81d6850 Add core copy detection algorithm
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parents: 3121
diff changeset
157 c = ctx(f, m2[f])
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parents: 3121
diff changeset
158 for of in findold(c, limit):
c82ea81d6850 Add core copy detection algorithm
Matt Mackall <mpm@selenic.com>
parents: 3121
diff changeset
159 if of in m1:
c82ea81d6850 Add core copy detection algorithm
Matt Mackall <mpm@selenic.com>
parents: 3121
diff changeset
160 checkpair(c, of, m1)
c82ea81d6850 Add core copy detection algorithm
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parents: 3121
diff changeset
161 elif of in match:
c82ea81d6850 Add core copy detection algorithm
Matt Mackall <mpm@selenic.com>
parents: 3121
diff changeset
162 for mf in match[of]:
c82ea81d6850 Add core copy detection algorithm
Matt Mackall <mpm@selenic.com>
parents: 3121
diff changeset
163 checkpair(c, mf, m1)
c82ea81d6850 Add core copy detection algorithm
Matt Mackall <mpm@selenic.com>
parents: 3121
diff changeset
164
c82ea81d6850 Add core copy detection algorithm
Matt Mackall <mpm@selenic.com>
parents: 3121
diff changeset
165 return copy
c82ea81d6850 Add core copy detection algorithm
Matt Mackall <mpm@selenic.com>
parents: 3121
diff changeset
166
3295
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parents: 3292
diff changeset
167 def manifestmerge(repo, p1, p2, pa, overwrite, partial):
3105
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parents: 3104
diff changeset
168 """
3315
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parents: 3314
diff changeset
169 Merge p1 and p2 with ancestor ma and generate merge action list
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
170
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
171 overwrite = whether we clobber working files
38be819a1225 merge: update some docstrings
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parents: 3314
diff changeset
172 partial = function to filter file lists
3105
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parents: 3104
diff changeset
173 """
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
174
3314
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parents: 3312
diff changeset
175 repo.ui.note(_("resolving manifests\n"))
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parents: 3312
diff changeset
176 repo.ui.debug(_(" overwrite %s partial %s\n") % (overwrite, bool(partial)))
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parents: 3312
diff changeset
177 repo.ui.debug(_(" ancestor %s local %s remote %s\n") % (pa, p1, p2))
b16456909a0a merge: various tidying
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parents: 3312
diff changeset
178
3295
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parents: 3292
diff changeset
179 m1 = p1.manifest()
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Matt Mackall <mpm@selenic.com>
parents: 3292
diff changeset
180 m2 = p2.manifest()
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Matt Mackall <mpm@selenic.com>
parents: 3292
diff changeset
181 ma = pa.manifest()
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parents: 3292
diff changeset
182 backwards = (pa == p2)
3314
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Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
183 action = []
b16456909a0a merge: various tidying
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parents: 3312
diff changeset
184 copy = {}
3295
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parents: 3292
diff changeset
185
3249
f05c182430a0 merge: add rename following
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parents: 3248
diff changeset
186 def fmerge(f, f2=None, fa=None):
3118
5644a05a608c merge: simplify exec flag handling
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parents: 3117
diff changeset
187 """merge executable flags"""
3249
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parents: 3248
diff changeset
188 if not f2:
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
189 f2 = f
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Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
190 fa = f
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Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
191 a, b, c = ma.execf(fa), m1.execf(f), m2.execf(f2)
3118
5644a05a608c merge: simplify exec flag handling
Matt Mackall <mpm@selenic.com>
parents: 3117
diff changeset
192 return ((a^b) | (a^c)) ^ a
5644a05a608c merge: simplify exec flag handling
Matt Mackall <mpm@selenic.com>
parents: 3117
diff changeset
193
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
194 def act(msg, m, f, *args):
3295
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parents: 3292
diff changeset
195 repo.ui.debug(" %s: %s -> %s\n" % (f, msg, m))
3121
2ef0b3aae186 merge: simplify actions with helper function
Matt Mackall <mpm@selenic.com>
parents: 3120
diff changeset
196 action.append((f, m) + args)
2ef0b3aae186 merge: simplify actions with helper function
Matt Mackall <mpm@selenic.com>
parents: 3120
diff changeset
197
3710
91690473856c merge: Don't search for copies across unrelated manifests
Brendan Cully <brendan@kublai.com>
parents: 3674
diff changeset
198 if pa and not (backwards or overwrite):
3371
8c36b33a27c7 merge: turn followcopies on by default
Matt Mackall <mpm@selenic.com>
parents: 3316
diff changeset
199 copy = findcopies(repo, m1, m2, ma, pa.rev())
3295
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parents: 3292
diff changeset
200
3105
7c7469d41ade merge: pull manifest comparison out into separate function
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parents: 3104
diff changeset
201 # Compare manifests
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parents: 3104
diff changeset
202 for f, n in m1.iteritems():
3248
751840e739a1 merge: reduce manifest copying
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parents: 3247
diff changeset
203 if partial and not partial(f):
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3247
diff changeset
204 continue
3105
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
205 if f in m2:
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
206 # are files different?
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
207 if n != m2[f]:
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
208 a = ma.get(f, nullid)
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
209 # are both different from the ancestor?
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
210 if not overwrite and n != a and m2[f] != a:
3308
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3307
diff changeset
211 act("versions differ", "m", f, f, f, fmerge(f), False)
3105
7c7469d41ade merge: pull manifest comparison out into separate function
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parents: 3104
diff changeset
212 # are we clobbering?
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
213 # is remote's version newer?
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
214 # or are we going back in time and clean?
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
215 elif overwrite or m2[f] != a 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
216 act("remote is newer", "g", f, m2.execf(f))
3113
d1d1cd5b9484 merge: eliminate confusing queued variable
Matt Mackall <mpm@selenic.com>
parents: 3112
diff changeset
217 # local is newer, not overwrite, check mode bits
3118
5644a05a608c merge: simplify exec flag handling
Matt Mackall <mpm@selenic.com>
parents: 3117
diff changeset
218 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
219 act("update permissions", "e", f, m2.execf(f))
3113
d1d1cd5b9484 merge: eliminate confusing queued variable
Matt Mackall <mpm@selenic.com>
parents: 3112
diff changeset
220 # contents same, check mode bits
d1d1cd5b9484 merge: eliminate confusing queued variable
Matt Mackall <mpm@selenic.com>
parents: 3112
diff changeset
221 elif m1.execf(f) != m2.execf(f):
3120
1c1e59aac82a merge: simplify local created logic
Matt Mackall <mpm@selenic.com>
parents: 3119
diff changeset
222 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
223 act("update permissions", "e", f, m2.execf(f))
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
224 elif f in copy:
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
225 f2 = copy[f]
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
226 if f in ma: # case 3,20 A/B/A
3308
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3307
diff changeset
227 act("remote moved", "m", f, f2, f2, fmerge(f, f2, f), True)
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
228 else:
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
229 if f2 in m1: # case 2 A,B/B/B
3308
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3307
diff changeset
230 act("local copied", "m",
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
231 f, f2, f, fmerge(f, f2, f2), False)
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
232 else: # case 4,21 A/B/B
3308
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3307
diff changeset
233 act("local moved", "m",
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
234 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
235 elif f in ma:
3117
7a635ef25132 merge: simplify tests for local changed/remote deleted
Matt Mackall <mpm@selenic.com>
parents: 3116
diff changeset
236 if n != ma[f] and not overwrite:
3295
72d1e521da77 merge: use contexts for manifestmerge
Matt Mackall <mpm@selenic.com>
parents: 3292
diff changeset
237 if repo.ui.prompt(
3117
7a635ef25132 merge: simplify tests for local changed/remote deleted
Matt Mackall <mpm@selenic.com>
parents: 3116
diff changeset
238 (_(" local changed %s which remote deleted\n") % f) +
3119
b1de36a4b4df merge: simplify prompt code
Matt Mackall <mpm@selenic.com>
parents: 3118
diff changeset
239 _("(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
240 act("prompt delete", "r", f)
3105
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
241 else:
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
242 act("other deleted", "r", f)
3105
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
243 else:
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
244 # 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
245 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
246 act("remote deleted", "r", f)
3105
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
247
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
248 for f, n in m2.iteritems():
3248
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3247
diff changeset
249 if partial and not partial(f):
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3247
diff changeset
250 continue
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3247
diff changeset
251 if f in m1:
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3247
diff changeset
252 continue
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
253 if f in copy:
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
254 f2 = copy[f]
3252
ae85272b59a4 merge: copy fixes and tests
Matt Mackall <mpm@selenic.com>
parents: 3251
diff changeset
255 if f2 not in m2: # already seen
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
256 continue
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
257 # rename case 1, A/A,B/A
3308
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3307
diff changeset
258 act("remote copied", "m", f2, f, f, fmerge(f2, f, f2), False)
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
259 elif f in ma:
3116
920f54a2249e merge: more simplification of m2 manifest scanning
Matt Mackall <mpm@selenic.com>
parents: 3115
diff changeset
260 if overwrite or backwards:
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
261 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
262 elif n != ma[f]:
3295
72d1e521da77 merge: use contexts for manifestmerge
Matt Mackall <mpm@selenic.com>
parents: 3292
diff changeset
263 if repo.ui.prompt(
3116
920f54a2249e merge: more simplification of m2 manifest scanning
Matt Mackall <mpm@selenic.com>
parents: 3115
diff changeset
264 (_("remote changed %s which local deleted\n") % f) +
3119
b1de36a4b4df merge: simplify prompt code
Matt Mackall <mpm@selenic.com>
parents: 3118
diff changeset
265 _("(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
266 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
267 else:
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
268 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
269
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
270 return action
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
271
3297
69b9471f26bb merge: pass contexts to applyupdates
Matt Mackall <mpm@selenic.com>
parents: 3296
diff changeset
272 def applyupdates(repo, action, wctx, mctx):
3315
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
273 "apply the merge action list to the working directory"
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
274
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
275 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
276 action.sort()
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
277 for a in action:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
278 f, m = a[:2]
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
279 if f[0] == "/":
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
280 continue
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
281 if m == "r": # remove
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
282 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
283 util.audit_path(f)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
284 try:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
285 util.unlink(repo.wjoin(f))
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
286 except OSError, inst:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
287 if inst.errno != errno.ENOENT:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
288 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
289 (f, inst.strerror))
3673
eb0b4a2d70a9 white space and line break cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3618
diff changeset
290 removed += 1
3308
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3307
diff changeset
291 elif m == "m": # merge
3303
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3299
diff changeset
292 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
293 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
294 if r > 0:
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
295 unresolved += 1
3309
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3308
diff changeset
296 else:
3400
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
297 if r is None:
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
298 updated += 1
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
299 else:
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
300 merged += 1
3309
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3308
diff changeset
301 if f != fd:
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3308
diff changeset
302 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
303 repo.wwrite(fd, repo.wread(f))
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3308
diff changeset
304 if move:
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3308
diff changeset
305 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
306 os.unlink(repo.wjoin(f))
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
307 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
308 elif m == "g": # get
3306
5c9806554d65 merge: finish removing nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3303
diff changeset
309 flag = a[2]
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
310 repo.ui.note(_("getting %s\n") % f)
3303
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3299
diff changeset
311 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
312 repo.wwrite(f, t)
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
313 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
314 updated += 1
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
315 elif m == "e": # exec
3303
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3299
diff changeset
316 flag = a[2]
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
317 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
318
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
319 return updated, merged, removed, unresolved
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
320
3372
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
321 def recordupdates(repo, action, branchmerge):
3315
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
322 "record merge actions to the dirstate"
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
323
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
324 for a in action:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
325 f, m = a[:2]
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
326 if m == "r": # remove
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
327 if branchmerge:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
328 repo.dirstate.update([f], 'r')
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
329 else:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
330 repo.dirstate.forget([f])
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
331 elif m == "f": # forget
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
332 repo.dirstate.forget([f])
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
333 elif m == "g": # get
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
334 if branchmerge:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
335 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
336 else:
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
337 repo.dirstate.update([f], 'n')
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
338 elif m == "m": # merge
3303
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3299
diff changeset
339 f2, fd, flag, move = a[2:]
3251
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
340 if branchmerge:
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
341 # 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
342 # so that we properly record the merger later
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
343 repo.dirstate.update([fd], 'm')
3372
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
344 if f != f2: # copy/rename
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
345 if move:
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
346 repo.dirstate.update([f], 'r')
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
347 if f != fd:
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
348 repo.dirstate.copy(f, fd)
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
349 else:
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
350 repo.dirstate.copy(f2, fd)
3251
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
351 else:
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
352 # We've update-merged a locally modified file, so
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
353 # we set the dirstate to emulate a normal checkout
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
354 # 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
355 # merge will appear as a normal local file
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
356 # modification.
3372
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
357 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
358 if move:
3372
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
359 repo.dirstate.forget([f])
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
360
3316
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3315
diff changeset
361 def update(repo, node, branchmerge, force, partial, wlock):
3315
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
362 """
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
363 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
364
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
365 branchmerge = whether to merge between branches
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
366 force = whether to force branch merging or file overwriting
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
367 partial = a function to filter file lists (dirstate not updated)
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
368 wlock = working dir lock, if already held
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
369 """
2815
4870f795f681 Merge: combine force and forcemerge arguments
Matt Mackall <mpm@selenic.com>
parents: 2814
diff changeset
370
2812
3aeab7bb5adc Refactor update locking slightly
Matt Mackall <mpm@selenic.com>
parents: 2811
diff changeset
371 if not wlock:
3aeab7bb5adc Refactor update locking slightly
Matt Mackall <mpm@selenic.com>
parents: 2811
diff changeset
372 wlock = repo.wlock()
3aeab7bb5adc Refactor update locking slightly
Matt Mackall <mpm@selenic.com>
parents: 2811
diff changeset
373
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
374 overwrite = force and not branchmerge
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
375 forcemerge = force and branchmerge
3218
8d4855fd9d7b merge: use new working context object in update
Matt Mackall <mpm@selenic.com>
parents: 3212
diff changeset
376 wc = repo.workingctx()
8d4855fd9d7b merge: use new working context object in update
Matt Mackall <mpm@selenic.com>
parents: 3212
diff changeset
377 pl = wc.parents()
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
378 p1, p2 = pl[0], repo.changectx(node)
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
379 pa = p1.ancestor(p2)
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
380 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
381
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
382 ### check phase
3167
e67c22bc8bba merge: use repo.parents and parent contexts in update
Matt Mackall <mpm@selenic.com>
parents: 3162
diff changeset
383 if not overwrite and len(pl) > 1:
2775
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
384 raise util.Abort(_("outstanding uncommitted merges"))
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
385 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
386 if branchmerge:
40e777bda455 merge: remove linear variable
Matt Mackall <mpm@selenic.com>
parents: 3109
diff changeset
387 raise util.Abort(_("there is nothing to merge, just use "
40e777bda455 merge: remove linear variable
Matt Mackall <mpm@selenic.com>
parents: 3109
diff changeset
388 "'hg update' or look at 'hg heads'"))
3592
fffc8a733bf9 Backed out changeset 41989e55fa375de4376e7e64b17e38312e8ec140
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3580
diff changeset
389 elif not (overwrite or branchmerge):
fffc8a733bf9 Backed out changeset 41989e55fa375de4376e7e64b17e38312e8ec140
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3580
diff changeset
390 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
391 "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
392 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
393 if wc.files():
2814
0f787997e3c2 Merge: move most tests to the beginning
Matt Mackall <mpm@selenic.com>
parents: 2813
diff changeset
394 raise util.Abort(_("outstanding uncommitted changes"))
0f787997e3c2 Merge: move most tests to the beginning
Matt Mackall <mpm@selenic.com>
parents: 2813
diff changeset
395
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
396 ### calculate phase
3100
87ea5a71f7b9 merge: convert actions to list
Matt Mackall <mpm@selenic.com>
parents: 2981
diff changeset
397 action = []
3107
3bd05ad67f45 merge: pull manifest checks and updates into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3106
diff changeset
398 if not force:
3312
c5075ad5e3e9 merge: use contexts in checkunknown and forgetremoved
Matt Mackall <mpm@selenic.com>
parents: 3311
diff changeset
399 checkunknown(wc, p2)
3110
40e777bda455 merge: remove linear variable
Matt Mackall <mpm@selenic.com>
parents: 3109
diff changeset
400 if not branchmerge:
3312
c5075ad5e3e9 merge: use contexts in checkunknown and forgetremoved
Matt Mackall <mpm@selenic.com>
parents: 3311
diff changeset
401 action += forgetremoved(wc, p2)
3295
72d1e521da77 merge: use contexts for manifestmerge
Matt Mackall <mpm@selenic.com>
parents: 3292
diff changeset
402 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
403
2897
dd032b0f02ac merge: move forgets to the apply stage
Matt Mackall <mpm@selenic.com>
parents: 2896
diff changeset
404 ### apply phase
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
405 if not branchmerge: # just jump to the new rev
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
406 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
407 if not partial:
20087b4bc6f9 merge: don't call hooks for revert
Matt Mackall <mpm@selenic.com>
parents: 3295
diff changeset
408 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
409
3316
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3315
diff changeset
410 stats = applyupdates(repo, action, wc, p2)
2899
8743188f4d2e merge: consolidate dirstate updates
Matt Mackall <mpm@selenic.com>
parents: 2898
diff changeset
411
2811
1ea086bc2086 Merge: combine choose and moddirstate to partial
Matt Mackall <mpm@selenic.com>
parents: 2810
diff changeset
412 if not partial:
3372
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
413 recordupdates(repo, action, branchmerge)
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
414 repo.dirstate.setparents(fp1, fp2)
3316
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3315
diff changeset
415 repo.hook('update', parent1=xp1, parent2=xp2, error=stats[3])
3441
ef2e990f9047 imported patch foo
Matt Mackall <mpm@selenic.com>
parents: 3400
diff changeset
416 if not branchmerge:
3442
798bcde0c9c2 merge: fix branch setting
Matt Mackall <mpm@selenic.com>
parents: 3441
diff changeset
417 repo.opener("branch", "w").write(p2.branch() + "\n")
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
418
3316
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3315
diff changeset
419 return stats
2775
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
420