Mercurial > hg
annotate mercurial/filemerge.py @ 11322:3d6915f5a2bb
improve --branch processing (and differentiate from # syntax)
Previously #foo and --branch foo were handled identically.
The behavior of #foo hasn't changed, but --branch now works like this:
1) If branchmap is not supported on the remote, the operation fails.
2) If branch is '.', substitute with branch of the working dir parent.
3) If branch exists remotely, its heads are expanded.
4) Otherwise, the operation fails.
Tests have been added for the new cases.
author | Sune Foldager <cryo@cyanite.org> |
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date | Thu, 10 Jun 2010 12:46:09 +0200 |
parents | d3c1eddfdbcf |
children | eb07fbc21e9c fad5ed0ff997 |
rev | line source |
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1 # filemerge.py - file-level merge handling for Mercurial |
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2 # |
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3 # Copyright 2006, 2007, 2008 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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7 |
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8 from node import short |
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9 from i18n import _ |
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10 import util, simplemerge, match, error |
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11 import os, tempfile, re, filecmp |
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12 |
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13 def _toolstr(ui, tool, part, default=""): |
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14 return ui.config("merge-tools", tool + "." + part, default) |
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15 |
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16 def _toolbool(ui, tool, part, default=False): |
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17 return ui.configbool("merge-tools", tool + "." + part, default) |
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18 |
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19 def _toollist(ui, tool, part, default=[]): |
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20 return ui.configlist("merge-tools", tool + "." + part, default) |
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21 |
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22 _internal = ['internal:' + s |
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23 for s in 'fail local other merge prompt dump'.split()] |
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24 |
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25 def _findtool(ui, tool): |
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26 if tool in _internal: |
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27 return tool |
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28 k = _toolstr(ui, tool, "regkey") |
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29 if k: |
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30 p = util.lookup_reg(k, _toolstr(ui, tool, "regname")) |
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31 if p: |
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32 p = util.find_exe(p + _toolstr(ui, tool, "regappend")) |
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33 if p: |
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34 return p |
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35 return util.find_exe(_toolstr(ui, tool, "executable", tool)) |
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36 |
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37 def _picktool(repo, ui, path, binary, symlink): |
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38 def check(tool, pat, symlink, binary): |
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39 tmsg = tool |
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40 if pat: |
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41 tmsg += " specified for " + pat |
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42 if not _findtool(ui, tool): |
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43 if pat: # explicitly requested tool deserves a warning |
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44 ui.warn(_("couldn't find merge tool %s\n") % tmsg) |
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45 else: # configured but non-existing tools are more silent |
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46 ui.note(_("couldn't find merge tool %s\n") % tmsg) |
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47 elif symlink and not _toolbool(ui, tool, "symlink"): |
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48 ui.warn(_("tool %s can't handle symlinks\n") % tmsg) |
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49 elif binary and not _toolbool(ui, tool, "binary"): |
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50 ui.warn(_("tool %s can't handle binary\n") % tmsg) |
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51 elif not util.gui() and _toolbool(ui, tool, "gui"): |
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52 ui.warn(_("tool %s requires a GUI\n") % tmsg) |
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53 else: |
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54 return True |
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55 return False |
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56 |
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57 # HGMERGE takes precedence |
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58 hgmerge = os.environ.get("HGMERGE") |
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59 if hgmerge: |
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60 return (hgmerge, hgmerge) |
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61 |
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62 # then patterns |
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63 for pat, tool in ui.configitems("merge-patterns"): |
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64 mf = match.match(repo.root, '', [pat]) |
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65 if mf(path) and check(tool, pat, symlink, False): |
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66 toolpath = _findtool(ui, tool) |
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67 return (tool, '"' + toolpath + '"') |
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68 |
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69 # then merge tools |
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70 tools = {} |
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71 for k, v in ui.configitems("merge-tools"): |
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72 t = k.split('.')[0] |
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73 if t not in tools: |
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74 tools[t] = int(_toolstr(ui, t, "priority", "0")) |
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75 names = tools.keys() |
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76 tools = sorted([(-p, t) for t, p in tools.items()]) |
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77 uimerge = ui.config("ui", "merge") |
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78 if uimerge: |
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79 if uimerge not in names: |
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80 return (uimerge, uimerge) |
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81 tools.insert(0, (None, uimerge)) # highest priority |
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82 tools.append((None, "hgmerge")) # the old default, if found |
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83 for p, t in tools: |
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84 if check(t, None, symlink, binary): |
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85 toolpath = _findtool(ui, t) |
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86 return (t, '"' + toolpath + '"') |
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87 # internal merge as last resort |
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88 return (not (symlink or binary) and "internal:merge" or None, None) |
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89 |
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90 def _eoltype(data): |
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91 "Guess the EOL type of a file" |
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92 if '\0' in data: # binary |
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93 return None |
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94 if '\r\n' in data: # Windows |
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95 return '\r\n' |
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96 if '\r' in data: # Old Mac |
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97 return '\r' |
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98 if '\n' in data: # UNIX |
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99 return '\n' |
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100 return None # unknown |
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101 |
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102 def _matcheol(file, origfile): |
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103 "Convert EOL markers in a file to match origfile" |
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104 tostyle = _eoltype(open(origfile, "rb").read()) |
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105 if tostyle: |
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106 data = open(file, "rb").read() |
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107 style = _eoltype(data) |
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108 if style: |
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109 newdata = data.replace(style, tostyle) |
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110 if newdata != data: |
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111 open(file, "wb").write(newdata) |
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112 |
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113 def filemerge(repo, mynode, orig, fcd, fco, fca): |
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114 """perform a 3-way merge in the working directory |
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115 |
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116 mynode = parent node before merge |
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117 orig = original local filename before merge |
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118 fco = other file context |
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119 fca = ancestor file context |
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120 fcd = local file context for current/destination file |
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121 """ |
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122 |
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123 def temp(prefix, ctx): |
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124 pre = "%s~%s." % (os.path.basename(ctx.path()), prefix) |
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125 (fd, name) = tempfile.mkstemp(prefix=pre) |
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126 data = repo.wwritedata(ctx.path(), ctx.data()) |
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127 f = os.fdopen(fd, "wb") |
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128 f.write(data) |
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129 f.close() |
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130 return name |
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131 |
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132 def isbin(ctx): |
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133 try: |
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134 return util.binary(ctx.data()) |
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135 except IOError: |
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136 return False |
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137 |
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138 if not fco.cmp(fcd.data()): # files identical? |
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139 return None |
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140 |
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141 if fca == fco: # backwards, use working dir parent as ancestor |
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142 fca = fcd.parents()[0] |
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143 |
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144 ui = repo.ui |
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145 fd = fcd.path() |
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146 binary = isbin(fcd) or isbin(fco) or isbin(fca) |
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147 symlink = 'l' in fcd.flags() + fco.flags() |
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148 tool, toolpath = _picktool(repo, ui, fd, binary, symlink) |
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149 ui.debug("picked tool '%s' for %s (binary %s symlink %s)\n" % |
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150 (tool, fd, binary, symlink)) |
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151 |
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152 if not tool or tool == 'internal:prompt': |
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153 tool = "internal:local" |
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154 if ui.promptchoice(_(" no tool found to merge %s\n" |
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155 "keep (l)ocal or take (o)ther?") % fd, |
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156 (_("&Local"), _("&Other")), 0): |
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157 tool = "internal:other" |
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158 if tool == "internal:local": |
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159 return 0 |
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160 if tool == "internal:other": |
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162 return 0 |
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163 if tool == "internal:fail": |
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164 return 1 |
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165 |
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166 # do the actual merge |
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167 a = repo.wjoin(fd) |
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168 b = temp("base", fca) |
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169 c = temp("other", fco) |
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170 out = "" |
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171 back = a + ".orig" |
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172 util.copyfile(a, back) |
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173 |
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174 if orig != fco.path(): |
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175 ui.status(_("merging %s and %s to %s\n") % (orig, fco.path(), fd)) |
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176 else: |
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177 ui.status(_("merging %s\n") % fd) |
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178 |
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179 ui.debug("my %s other %s ancestor %s\n" % (fcd, fco, fca)) |
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180 |
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181 # do we attempt to simplemerge first? |
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182 try: |
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183 premerge = _toolbool(ui, tool, "premerge", not (binary or symlink)) |
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184 except error.ConfigError: |
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185 premerge = _toolstr(ui, tool, "premerge").lower() |
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186 valid = 'keep'.split() |
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187 if premerge not in valid: |
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188 _valid = ', '.join(["'" + v + "'" for v in valid]) |
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189 raise error.ConfigError(_("%s.premerge not valid " |
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190 "('%s' is neither boolean nor %s)") % |
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191 (tool, premerge, _valid)) |
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192 |
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193 if premerge: |
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194 r = simplemerge.simplemerge(ui, a, b, c, quiet=True) |
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195 if not r: |
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196 ui.debug(" premerge successful\n") |
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197 os.unlink(back) |
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198 os.unlink(b) |
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199 os.unlink(c) |
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200 return 0 |
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201 if premerge != 'keep': |
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202 util.copyfile(back, a) # restore from backup and try again |
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203 |
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204 env = dict(HG_FILE=fd, |
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205 HG_MY_NODE=short(mynode), |
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206 HG_OTHER_NODE=str(fco.changectx()), |
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207 HG_BASE_NODE=str(fca.changectx()), |
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208 HG_MY_ISLINK='l' in fcd.flags(), |
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209 HG_OTHER_ISLINK='l' in fco.flags(), |
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210 HG_BASE_ISLINK='l' in fca.flags()) |
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211 |
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212 if tool == "internal:merge": |
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213 r = simplemerge.simplemerge(ui, a, b, c, label=['local', 'other']) |
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214 elif tool == 'internal:dump': |
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215 a = repo.wjoin(fd) |
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216 util.copyfile(a, a + ".local") |
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217 repo.wwrite(fd + ".other", fco.data(), fco.flags()) |
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218 repo.wwrite(fd + ".base", fca.data(), fca.flags()) |
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219 return 1 # unresolved |
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220 else: |
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221 args = _toolstr(ui, tool, "args", '$local $base $other') |
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222 if "$output" in args: |
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223 out, a = a, back # read input from backup, write to original |
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224 replace = dict(local=a, base=b, other=c, output=out) |
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225 args = re.sub("\$(local|base|other|output)", |
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226 lambda x: '"%s"' % util.localpath(replace[x.group()[1:]]), args) |
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227 r = util.system(toolpath + ' ' + args, cwd=repo.root, environ=env) |
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228 |
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229 if not r and (_toolbool(ui, tool, "checkconflicts") or |
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230 'conflicts' in _toollist(ui, tool, "check")): |
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231 if re.match("^(<<<<<<< .*|=======|>>>>>>> .*)$", fcd.data()): |
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232 r = 1 |
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233 |
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234 checked = False |
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235 if 'prompt' in _toollist(ui, tool, "check"): |
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236 checked = True |
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237 if ui.promptchoice(_("was merge of '%s' successful (yn)?") % fd, |
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238 (_("&Yes"), _("&No")), 1): |
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parents:
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239 r = 1 |
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parents:
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240 |
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241 if not r and not checked and (_toolbool(ui, tool, "checkchanged") or |
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242 'changed' in _toollist(ui, tool, "check")): |
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filemerge: add 'checkchanged' merge tool property
Steve Borho <steve@borho.org>
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243 if filecmp.cmp(repo.wjoin(fd), back): |
9048
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ui: extract choice from prompt
Simon Heimberg <simohe@besonet.ch>
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244 if ui.promptchoice(_(" output file %s appears unchanged\n" |
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filemerge, subrepo: correct indention
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245 "was merge successful (yn)?") % fd, |
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246 (_("&Yes"), _("&No")), 1): |
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247 r = 1 |
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248 |
6005
3c33032d8906
merge: add support for tool EOL fixups
Matt Mackall <mpm@selenic.com>
parents:
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249 if _toolbool(ui, tool, "fixeol"): |
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filemerge: fix path to working file when fixeol is enabled
Lee Cantey <lcantey@gmail.com>
parents:
6013
diff
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250 _matcheol(repo.wjoin(fd), back) |
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251 |
6003
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filemerge: pull file-merging code into its own module
Matt Mackall <mpm@selenic.com>
parents:
diff
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252 if r: |
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use ui instead of repo.ui when the former is in scope
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parents:
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253 ui.warn(_("merging %s failed!\n") % fd) |
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254 else: |
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255 os.unlink(back) |
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parents:
diff
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256 |
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parents:
diff
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257 os.unlink(b) |
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258 os.unlink(c) |
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parents:
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259 return r |