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@@ -1,524 +1,524 b'' | |||
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1 | 1 | # merge.py - directory-level update/merge handling for Mercurial |
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2 | 2 | # |
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3 | 3 | # Copyright 2006 Matt Mackall <mpm@selenic.com> |
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4 | 4 | # |
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5 | 5 | # This software may be used and distributed according to the terms |
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6 | 6 | # of the GNU General Public License, incorporated herein by reference. |
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7 | 7 | |
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8 | 8 | from node import * |
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9 | 9 | from i18n import gettext as _ |
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10 | 10 | from demandload import * |
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11 | 11 | demandload(globals(), "errno util os tempfile") |
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12 | 12 | |
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13 | 13 | def filemerge(repo, fw, fo, wctx, mctx): |
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14 | 14 | """perform a 3-way merge in the working directory |
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15 | 15 | |
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16 | 16 | fw = filename in the working directory |
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17 | 17 | fo = filename in other parent |
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18 | 18 | wctx, mctx = working and merge changecontexts |
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19 | 19 | """ |
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20 | 20 | |
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21 | 21 | def temp(prefix, ctx): |
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22 | 22 | pre = "%s~%s." % (os.path.basename(ctx.path()), prefix) |
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23 | 23 | (fd, name) = tempfile.mkstemp(prefix=pre) |
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24 | 24 | f = os.fdopen(fd, "wb") |
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25 | 25 | repo.wwrite(ctx.path(), ctx.data(), f) |
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26 | 26 | f.close() |
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27 | 27 | return name |
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28 | 28 | |
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29 | 29 | fcm = wctx.filectx(fw) |
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30 | 30 | fco = mctx.filectx(fo) |
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31 | 31 | |
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32 | 32 | if not fco.cmp(fcm.data()): # files identical? |
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33 | 33 | return None |
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34 | 34 | |
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35 | 35 | fca = fcm.ancestor(fco) |
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36 | 36 | if not fca: |
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37 | 37 | fca = repo.filectx(fw, fileid=nullrev) |
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38 | 38 | a = repo.wjoin(fw) |
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39 | 39 | b = temp("base", fca) |
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40 | 40 | c = temp("other", fco) |
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41 | 41 | |
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42 | 42 | if fw != fo: |
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43 | 43 | repo.ui.status(_("merging %s and %s\n") % (fw, fo)) |
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44 | 44 | else: |
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45 | 45 | repo.ui.status(_("merging %s\n") % fw) |
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46 | 46 | |
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47 | 47 | repo.ui.debug(_("my %s other %s ancestor %s\n") % (fcm, fco, fca)) |
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48 | 48 | |
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49 | 49 | cmd = (os.environ.get("HGMERGE") or repo.ui.config("ui", "merge") |
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50 | 50 | or "hgmerge") |
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51 | 51 | r = util.system('%s "%s" "%s" "%s"' % (cmd, a, b, c), cwd=repo.root, |
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52 | 52 | environ={'HG_FILE': fw, |
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53 | 53 | 'HG_MY_NODE': str(wctx.parents()[0]), |
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54 | 54 | 'HG_OTHER_NODE': str(mctx)}) |
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55 | 55 | if r: |
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56 | 56 | repo.ui.warn(_("merging %s failed!\n") % fw) |
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57 | 57 | |
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58 | 58 | os.unlink(b) |
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59 | 59 | os.unlink(c) |
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60 | 60 | return r |
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61 | 61 | |
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62 | 62 | def checkunknown(wctx, mctx): |
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63 | 63 | "check for collisions between unknown files and files in mctx" |
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64 | 64 | man = mctx.manifest() |
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65 | 65 | for f in wctx.unknown(): |
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66 | 66 | if f in man: |
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67 | 67 | if mctx.filectx(f).cmp(wctx.filectx(f).data()): |
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68 | 68 | raise util.Abort(_("untracked local file '%s' differs"\ |
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69 | 69 | " from remote version") % f) |
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70 | 70 | |
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71 | 71 | def checkcollision(mctx): |
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72 | 72 | "check for case folding collisions in the destination context" |
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73 | 73 | folded = {} |
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74 | 74 | for fn in mctx.manifest(): |
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75 | 75 | fold = fn.lower() |
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76 | 76 | if fold in folded: |
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77 | 77 | raise util.Abort(_("case-folding collision between %s and %s") |
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78 | 78 | % (fn, folded[fold])) |
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79 | 79 | folded[fold] = fn |
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80 | 80 | |
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81 | 81 | def forgetremoved(wctx, mctx): |
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82 | 82 | """ |
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83 | 83 | Forget removed files |
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84 | 84 | |
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85 | 85 | If we're jumping between revisions (as opposed to merging), and if |
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86 | 86 | neither the working directory nor the target rev has the file, |
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87 | 87 | then we need to remove it from the dirstate, to prevent the |
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88 | 88 | dirstate from listing the file when it is no longer in the |
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89 | 89 | manifest. |
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90 | 90 | """ |
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91 | 91 | |
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92 | 92 | action = [] |
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93 | 93 | man = mctx.manifest() |
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94 | 94 | for f in wctx.deleted() + wctx.removed(): |
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95 | 95 | if f not in man: |
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96 | 96 | action.append((f, "f")) |
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97 | 97 | |
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98 | 98 | return action |
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99 | 99 | |
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100 | 100 | def findcopies(repo, m1, m2, ma, limit): |
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101 | 101 | """ |
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102 | 102 | Find moves and copies between m1 and m2 back to limit linkrev |
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103 | 103 | """ |
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104 | 104 | |
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105 | 105 | def dirname(f): |
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106 | 106 | s = f.rfind("/") |
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107 | 107 | if s == -1: |
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108 | 108 | return "" |
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109 | 109 | return f[:s] |
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110 | 110 | |
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111 | 111 | def dirs(files): |
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112 | 112 | d = {} |
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113 | 113 | for f in files: |
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114 | 114 | f = dirname(f) |
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115 | 115 | while f not in d: |
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116 | 116 | d[f] = True |
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117 | 117 | f = dirname(f) |
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118 | 118 | return d |
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119 | 119 | |
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120 | 120 | def findold(fctx): |
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121 | 121 | "find files that path was copied from, back to linkrev limit" |
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122 | 122 | old = {} |
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123 | 123 | seen = {} |
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124 | 124 | orig = fctx.path() |
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125 | 125 | visit = [fctx] |
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126 | 126 | while visit: |
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127 | 127 | fc = visit.pop() |
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128 | 128 | s = str(fc) |
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129 | 129 | if s in seen: |
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130 | 130 | continue |
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131 | 131 | seen[s] = 1 |
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132 | 132 | if fc.path() != orig and fc.path() not in old: |
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133 | 133 | old[fc.path()] = 1 |
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134 | 134 | if fc.rev() < limit: |
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135 | 135 | continue |
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136 | 136 | visit += fc.parents() |
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137 | 137 | |
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138 | 138 | old = old.keys() |
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139 | 139 | old.sort() |
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140 | 140 | return old |
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141 | 141 | |
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142 | 142 | def nonoverlap(d1, d2, d3): |
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143 | 143 | "Return list of elements in d1 not in d2 or d3" |
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144 | 144 | l = [d for d in d1 if d not in d3 and d not in d2] |
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145 | 145 | l.sort() |
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146 | 146 | return l |
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147 | 147 | |
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148 | 148 | def checkcopies(c, man): |
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149 | 149 | '''check possible copies for filectx c''' |
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150 | 150 | for of in findold(c): |
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151 | 151 | if of not in man: # original file not in other manifest? |
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152 | 152 | continue |
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153 | 153 | c2 = ctx(of, man[of]) |
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154 | 154 | ca = c.ancestor(c2) |
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155 | 155 | if not ca: # unrelated? |
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156 | 156 | continue |
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157 | 157 | # named changed on only one side? |
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158 | 158 | if ca.path() == c.path() or ca.path() == c2.path(): |
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159 | 159 | fullcopy[c.path()] = of # remember for dir rename detection |
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160 |
if c == |
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160 | if c == c2: # no merge needed, ignore copy | |
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161 | 161 | continue |
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162 | 162 | copy[c.path()] = of |
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163 | 163 | |
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164 | 164 | if not repo.ui.configbool("merge", "followcopies", True): |
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165 | 165 | return {} |
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166 | 166 | |
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167 | 167 | # avoid silly behavior for update from empty dir |
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168 | 168 | if not m1 or not m2 or not ma: |
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169 | 169 | return {} |
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170 | 170 | |
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171 | 171 | dcopies = repo.dirstate.copies() |
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172 | 172 | copy = {} |
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173 | 173 | fullcopy = {} |
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174 | 174 | u1 = nonoverlap(m1, m2, ma) |
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175 | 175 | u2 = nonoverlap(m2, m1, ma) |
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176 | 176 | ctx = util.cachefunc(lambda f, n: repo.filectx(f, fileid=n[:20])) |
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177 | 177 | |
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178 | 178 | for f in u1: |
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179 | 179 | checkcopies(ctx(dcopies.get(f, f), m1[f]), m2) |
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180 | 180 | |
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181 | 181 | for f in u2: |
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182 | 182 | checkcopies(ctx(f, m2[f]), m1) |
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183 | 183 | |
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184 | 184 | if not fullcopy or not repo.ui.configbool("merge", "followdirs", True): |
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185 | 185 | return copy |
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186 | 186 | |
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187 | 187 | # generate a directory move map |
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188 | 188 | d1, d2 = dirs(m1), dirs(m2) |
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189 | 189 | invalid = {} |
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190 | 190 | dirmove = {} |
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191 | 191 | |
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192 | 192 | # examine each file copy for a potential directory move, which is |
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193 | 193 | # when all the files in a directory are moved to a new directory |
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194 | 194 | for dst, src in fullcopy.items(): |
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195 | 195 | dsrc, ddst = dirname(src), dirname(dst) |
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196 | 196 | if dsrc in invalid: |
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197 | 197 | # already seen to be uninteresting |
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198 | 198 | continue |
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199 | 199 | elif dsrc in d1 and ddst in d1: |
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200 | 200 | # directory wasn't entirely moved locally |
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201 | 201 | invalid[dsrc] = True |
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202 | 202 | elif dsrc in d2 and ddst in d2: |
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203 | 203 | # directory wasn't entirely moved remotely |
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204 | 204 | invalid[dsrc] = True |
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205 | 205 | elif dsrc in dirmove and dirmove[dsrc] != ddst: |
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206 | 206 | # files from the same directory moved to two different places |
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207 | 207 | invalid[dsrc] = True |
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208 | 208 | else: |
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209 | 209 | # looks good so far |
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210 | 210 | dirmove[dsrc + "/"] = ddst + "/" |
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211 | 211 | |
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212 | 212 | for i in invalid: |
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213 | 213 | if i in dirmove: |
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214 | 214 | del dirmove[i] |
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215 | 215 | |
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216 | 216 | del d1, d2, invalid |
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217 | 217 | |
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218 | 218 | if not dirmove: |
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219 | 219 | return copy |
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220 | 220 | |
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221 | 221 | # check unaccounted nonoverlapping files against directory moves |
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222 | 222 | for f in u1 + u2: |
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223 | 223 | if f not in fullcopy: |
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224 | 224 | for d in dirmove: |
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225 | 225 | if f.startswith(d): |
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226 | 226 | # new file added in a directory that was moved, move it |
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227 | 227 | copy[f] = dirmove[d] + f[len(d):] |
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228 | 228 | break |
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229 | 229 | |
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230 | 230 | return copy |
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231 | 231 | |
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232 | 232 | def manifestmerge(repo, p1, p2, pa, overwrite, partial): |
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233 | 233 | """ |
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234 | 234 | Merge p1 and p2 with ancestor ma and generate merge action list |
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235 | 235 | |
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236 | 236 | overwrite = whether we clobber working files |
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237 | 237 | partial = function to filter file lists |
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238 | 238 | """ |
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239 | 239 | |
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240 | 240 | repo.ui.note(_("resolving manifests\n")) |
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241 | 241 | repo.ui.debug(_(" overwrite %s partial %s\n") % (overwrite, bool(partial))) |
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242 | 242 | repo.ui.debug(_(" ancestor %s local %s remote %s\n") % (pa, p1, p2)) |
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243 | 243 | |
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244 | 244 | m1 = p1.manifest() |
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245 | 245 | m2 = p2.manifest() |
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246 | 246 | ma = pa.manifest() |
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247 | 247 | backwards = (pa == p2) |
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248 | 248 | action = [] |
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249 | 249 | copy = {} |
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250 | 250 | |
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251 | 251 | def fmerge(f, f2=None, fa=None): |
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252 | 252 | """merge executable flags""" |
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253 | 253 | if not f2: |
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254 | 254 | f2 = f |
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255 | 255 | fa = f |
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256 | 256 | a, b, c = ma.execf(fa), m1.execf(f), m2.execf(f2) |
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257 | 257 | return ((a^b) | (a^c)) ^ a |
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258 | 258 | |
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259 | 259 | def act(msg, m, f, *args): |
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260 | 260 | repo.ui.debug(" %s: %s -> %s\n" % (f, msg, m)) |
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261 | 261 | action.append((f, m) + args) |
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262 | 262 | |
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263 | 263 | if not (backwards or overwrite): |
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264 | 264 | copy = findcopies(repo, m1, m2, ma, pa.rev()) |
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265 | 265 | copied = dict.fromkeys(copy.values()) |
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266 | 266 | |
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267 | 267 | # Compare manifests |
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268 | 268 | for f, n in m1.iteritems(): |
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269 | 269 | if partial and not partial(f): |
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270 | 270 | continue |
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271 | 271 | if f in m2: |
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272 | 272 | # are files different? |
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273 | 273 | if n != m2[f]: |
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274 | 274 | a = ma.get(f, nullid) |
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275 | 275 | # are both different from the ancestor? |
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276 | 276 | if not overwrite and n != a and m2[f] != a: |
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277 | 277 | act("versions differ", "m", f, f, f, fmerge(f), False) |
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278 | 278 | # are we clobbering? |
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279 | 279 | # is remote's version newer? |
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280 | 280 | # or are we going back in time and clean? |
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281 | 281 | elif overwrite or m2[f] != a or (backwards and not n[20:]): |
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282 | 282 | act("remote is newer", "g", f, m2.execf(f)) |
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283 | 283 | # local is newer, not overwrite, check mode bits |
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284 | 284 | elif fmerge(f) != m1.execf(f): |
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285 | 285 | act("update permissions", "e", f, m2.execf(f)) |
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286 | 286 | # contents same, check mode bits |
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287 | 287 | elif m1.execf(f) != m2.execf(f): |
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288 | 288 | if overwrite or fmerge(f) != m1.execf(f): |
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289 | 289 | act("update permissions", "e", f, m2.execf(f)) |
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290 | 290 | elif f in copied: |
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291 | 291 | continue |
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292 | 292 | elif f in copy: |
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293 | 293 | f2 = copy[f] |
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294 | 294 | if f2 not in m2: # directory rename |
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295 | 295 | act("remote renamed directory to " + f2, "d", |
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296 | 296 | f, None, f2, m1.execf(f)) |
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297 | 297 | elif f2 in m1: # case 2 A,B/B/B |
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298 | 298 | act("local copied to " + f2, "m", |
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299 | 299 | f, f2, f, fmerge(f, f2, f2), False) |
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300 | 300 | else: # case 4,21 A/B/B |
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301 | 301 | act("local moved to " + f2, "m", |
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302 | 302 | f, f2, f, fmerge(f, f2, f2), False) |
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303 | 303 | elif f in ma: |
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304 | 304 | if n != ma[f] and not overwrite: |
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305 | 305 | if repo.ui.prompt( |
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306 | 306 | (_(" local changed %s which remote deleted\n") % f) + |
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307 | 307 | _("(k)eep or (d)elete?"), _("[kd]"), _("k")) == _("d"): |
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308 | 308 | act("prompt delete", "r", f) |
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309 | 309 | else: |
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310 | 310 | act("other deleted", "r", f) |
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311 | 311 | else: |
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312 | 312 | # file is created on branch or in working directory |
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313 | 313 | if (overwrite and n[20:] != "u") or (backwards and not n[20:]): |
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314 | 314 | act("remote deleted", "r", f) |
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315 | 315 | |
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316 | 316 | for f, n in m2.iteritems(): |
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317 | 317 | if partial and not partial(f): |
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318 | 318 | continue |
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319 | 319 | if f in m1: |
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320 | 320 | continue |
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321 | 321 | if f in copied: |
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322 | 322 | continue |
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323 | 323 | if f in copy: |
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324 | 324 | f2 = copy[f] |
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325 | 325 | if f2 not in m1: # directory rename |
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326 | 326 | act("local renamed directory to " + f2, "d", |
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327 | 327 | None, f, f2, m2.execf(f)) |
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328 | 328 | elif f2 in m2: # rename case 1, A/A,B/A |
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329 | 329 | act("remote copied to " + f, "m", |
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330 | 330 | f2, f, f, fmerge(f2, f, f2), False) |
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331 | 331 | else: # case 3,20 A/B/A |
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332 | 332 | act("remote moved to " + f, "m", |
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333 | 333 | f2, f, f, fmerge(f2, f, f2), True) |
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334 | 334 | elif f in ma: |
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335 | 335 | if overwrite or backwards: |
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336 | 336 | act("recreating", "g", f, m2.execf(f)) |
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337 | 337 | elif n != ma[f]: |
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338 | 338 | if repo.ui.prompt( |
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339 | 339 | (_("remote changed %s which local deleted\n") % f) + |
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340 | 340 | _("(k)eep or (d)elete?"), _("[kd]"), _("k")) == _("k"): |
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341 | 341 | act("prompt recreating", "g", f, m2.execf(f)) |
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342 | 342 | else: |
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343 | 343 | act("remote created", "g", f, m2.execf(f)) |
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344 | 344 | |
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345 | 345 | return action |
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346 | 346 | |
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347 | 347 | def applyupdates(repo, action, wctx, mctx): |
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348 | 348 | "apply the merge action list to the working directory" |
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349 | 349 | |
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350 | 350 | updated, merged, removed, unresolved = 0, 0, 0, 0 |
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351 | 351 | action.sort() |
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352 | 352 | for a in action: |
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353 | 353 | f, m = a[:2] |
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354 | 354 | if f and f[0] == "/": |
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355 | 355 | continue |
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356 | 356 | if m == "r": # remove |
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357 | 357 | repo.ui.note(_("removing %s\n") % f) |
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358 | 358 | util.audit_path(f) |
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359 | 359 | try: |
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360 | 360 | util.unlink(repo.wjoin(f)) |
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361 | 361 | except OSError, inst: |
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362 | 362 | if inst.errno != errno.ENOENT: |
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363 | 363 | repo.ui.warn(_("update failed to remove %s: %s!\n") % |
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364 | 364 | (f, inst.strerror)) |
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365 | 365 | removed += 1 |
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366 | 366 | elif m == "m": # merge |
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367 | 367 | f2, fd, flag, move = a[2:] |
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368 | 368 | r = filemerge(repo, f, f2, wctx, mctx) |
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369 | 369 | if r > 0: |
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370 | 370 | unresolved += 1 |
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371 | 371 | else: |
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372 | 372 | if r is None: |
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373 | 373 | updated += 1 |
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374 | 374 | else: |
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375 | 375 | merged += 1 |
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376 | 376 | if f != fd: |
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377 | 377 | repo.ui.debug(_("copying %s to %s\n") % (f, fd)) |
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378 | 378 | repo.wwrite(fd, repo.wread(f)) |
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379 | 379 | if move: |
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380 | 380 | repo.ui.debug(_("removing %s\n") % f) |
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381 | 381 | os.unlink(repo.wjoin(f)) |
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382 | 382 | util.set_exec(repo.wjoin(fd), flag) |
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383 | 383 | elif m == "g": # get |
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384 | 384 | flag = a[2] |
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385 | 385 | repo.ui.note(_("getting %s\n") % f) |
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386 | 386 | t = mctx.filectx(f).data() |
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387 | 387 | repo.wwrite(f, t) |
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388 | 388 | util.set_exec(repo.wjoin(f), flag) |
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389 | 389 | updated += 1 |
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390 | 390 | elif m == "d": # directory rename |
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391 | 391 | f2, fd, flag = a[2:] |
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392 | 392 | if f: |
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393 | 393 | repo.ui.note(_("moving %s to %s\n") % (f, fd)) |
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394 | 394 | t = wctx.filectx(f).data() |
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395 | 395 | repo.wwrite(fd, t) |
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396 | 396 | util.set_exec(repo.wjoin(fd), flag) |
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397 | 397 | util.unlink(repo.wjoin(f)) |
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398 | 398 | if f2: |
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399 | 399 | repo.ui.note(_("getting %s to %s\n") % (f2, fd)) |
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400 | 400 | t = mctx.filectx(f2).data() |
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401 | 401 | repo.wwrite(fd, t) |
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402 | 402 | util.set_exec(repo.wjoin(fd), flag) |
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403 | 403 | updated += 1 |
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404 | 404 | elif m == "e": # exec |
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405 | 405 | flag = a[2] |
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406 | 406 | util.set_exec(repo.wjoin(f), flag) |
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407 | 407 | |
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408 | 408 | return updated, merged, removed, unresolved |
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409 | 409 | |
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410 | 410 | def recordupdates(repo, action, branchmerge): |
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411 | 411 | "record merge actions to the dirstate" |
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412 | 412 | |
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413 | 413 | for a in action: |
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414 | 414 | f, m = a[:2] |
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415 | 415 | if m == "r": # remove |
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416 | 416 | if branchmerge: |
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417 | 417 | repo.dirstate.update([f], 'r') |
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418 | 418 | else: |
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419 | 419 | repo.dirstate.forget([f]) |
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420 | 420 | elif m == "f": # forget |
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421 | 421 | repo.dirstate.forget([f]) |
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422 | 422 | elif m == "g": # get |
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423 | 423 | if branchmerge: |
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424 | 424 | repo.dirstate.update([f], 'n', st_mtime=-1) |
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425 | 425 | else: |
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426 | 426 | repo.dirstate.update([f], 'n') |
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427 | 427 | elif m == "m": # merge |
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428 | 428 | f2, fd, flag, move = a[2:] |
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429 | 429 | if branchmerge: |
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430 | 430 | # We've done a branch merge, mark this file as merged |
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431 | 431 | # so that we properly record the merger later |
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432 | 432 | repo.dirstate.update([fd], 'm') |
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433 | 433 | if f != f2: # copy/rename |
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434 | 434 | if move: |
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435 | 435 | repo.dirstate.update([f], 'r') |
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436 | 436 | if f != fd: |
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437 | 437 | repo.dirstate.copy(f, fd) |
|
438 | 438 | else: |
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439 | 439 | repo.dirstate.copy(f2, fd) |
|
440 | 440 | else: |
|
441 | 441 | # We've update-merged a locally modified file, so |
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442 | 442 | # we set the dirstate to emulate a normal checkout |
|
443 | 443 | # of that file some time in the past. Thus our |
|
444 | 444 | # merge will appear as a normal local file |
|
445 | 445 | # modification. |
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446 | 446 | repo.dirstate.update([fd], 'n', st_size=-1, st_mtime=-1) |
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447 | 447 | if move: |
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448 | 448 | repo.dirstate.forget([f]) |
|
449 | 449 | elif m == "d": # directory rename |
|
450 | 450 | f2, fd, flag = a[2:] |
|
451 | 451 | if branchmerge: |
|
452 | 452 | repo.dirstate.update([fd], 'a') |
|
453 | 453 | if f: |
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454 | 454 | repo.dirstate.update([f], 'r') |
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455 | 455 | repo.dirstate.copy(f, fd) |
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456 | 456 | if f2: |
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457 | 457 | repo.dirstate.copy(f2, fd) |
|
458 | 458 | else: |
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459 | 459 | repo.dirstate.update([fd], 'n') |
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460 | 460 | if f: |
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461 | 461 | repo.dirstate.forget([f]) |
|
462 | 462 | |
|
463 | 463 | def update(repo, node, branchmerge, force, partial, wlock): |
|
464 | 464 | """ |
|
465 | 465 | Perform a merge between the working directory and the given node |
|
466 | 466 | |
|
467 | 467 | branchmerge = whether to merge between branches |
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468 | 468 | force = whether to force branch merging or file overwriting |
|
469 | 469 | partial = a function to filter file lists (dirstate not updated) |
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470 | 470 | wlock = working dir lock, if already held |
|
471 | 471 | """ |
|
472 | 472 | |
|
473 | 473 | if not wlock: |
|
474 | 474 | wlock = repo.wlock() |
|
475 | 475 | |
|
476 | 476 | overwrite = force and not branchmerge |
|
477 | 477 | forcemerge = force and branchmerge |
|
478 | 478 | wc = repo.workingctx() |
|
479 | 479 | pl = wc.parents() |
|
480 | 480 | p1, p2 = pl[0], repo.changectx(node) |
|
481 | 481 | pa = p1.ancestor(p2) |
|
482 | 482 | fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2) |
|
483 | 483 | |
|
484 | 484 | ### check phase |
|
485 | 485 | if not overwrite and len(pl) > 1: |
|
486 | 486 | raise util.Abort(_("outstanding uncommitted merges")) |
|
487 | 487 | if pa == p1 or pa == p2: # is there a linear path from p1 to p2? |
|
488 | 488 | if branchmerge: |
|
489 | 489 | raise util.Abort(_("there is nothing to merge, just use " |
|
490 | 490 | "'hg update' or look at 'hg heads'")) |
|
491 | 491 | elif not (overwrite or branchmerge): |
|
492 | 492 | raise util.Abort(_("update spans branches, use 'hg merge' " |
|
493 | 493 | "or 'hg update -C' to lose changes")) |
|
494 | 494 | if branchmerge and not forcemerge: |
|
495 | 495 | if wc.files(): |
|
496 | 496 | raise util.Abort(_("outstanding uncommitted changes")) |
|
497 | 497 | |
|
498 | 498 | ### calculate phase |
|
499 | 499 | action = [] |
|
500 | 500 | if not force: |
|
501 | 501 | checkunknown(wc, p2) |
|
502 | 502 | if not util.checkfolding(repo.path): |
|
503 | 503 | checkcollision(p2) |
|
504 | 504 | if not branchmerge: |
|
505 | 505 | action += forgetremoved(wc, p2) |
|
506 | 506 | action += manifestmerge(repo, wc, p2, pa, overwrite, partial) |
|
507 | 507 | |
|
508 | 508 | ### apply phase |
|
509 | 509 | if not branchmerge: # just jump to the new rev |
|
510 | 510 | fp1, fp2, xp1, xp2 = fp2, nullid, xp2, '' |
|
511 | 511 | if not partial: |
|
512 | 512 | repo.hook('preupdate', throw=True, parent1=xp1, parent2=xp2) |
|
513 | 513 | |
|
514 | 514 | stats = applyupdates(repo, action, wc, p2) |
|
515 | 515 | |
|
516 | 516 | if not partial: |
|
517 | 517 | recordupdates(repo, action, branchmerge) |
|
518 | 518 | repo.dirstate.setparents(fp1, fp2) |
|
519 | 519 | if not branchmerge: |
|
520 | 520 | repo.dirstate.setbranch(p2.branch()) |
|
521 | 521 | repo.hook('update', parent1=xp1, parent2=xp2, error=stats[3]) |
|
522 | 522 | |
|
523 | 523 | return stats |
|
524 | 524 |
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