Mercurial > hg
annotate mercurial/filemerge.py @ 28238:b57d45ec33b2
test: update test-bundle2-format.t comment
Now that bundle2 is used by default for all exchanges, this comment is obviously
out of date. Having deep testing of the API and expected behavior of the format
and its processing is still valuable, so the comment is updated.
author | Pierre-Yves David <pierre-yves.david@fb.com> |
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date | Thu, 25 Feb 2016 10:34:31 +0100 |
parents | 07fc2f2134ba |
children | 66d085e55ecd |
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 |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import filecmp |
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11 import os |
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12 import re |
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13 import tempfile |
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14 |
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15 from .i18n import _ |
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16 from .node import nullid, short |
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17 |
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18 from . import ( |
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19 error, |
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20 match, |
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21 scmutil, |
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22 simplemerge, |
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23 tagmerge, |
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24 templatekw, |
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25 templater, |
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26 util, |
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27 ) |
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28 |
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29 def _toolstr(ui, tool, part, default=""): |
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30 return ui.config("merge-tools", tool + "." + part, default) |
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31 |
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32 def _toolbool(ui, tool, part, default=False): |
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33 return ui.configbool("merge-tools", tool + "." + part, default) |
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34 |
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35 def _toollist(ui, tool, part, default=[]): |
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36 return ui.configlist("merge-tools", tool + "." + part, default) |
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37 |
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38 internals = {} |
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39 # Merge tools to document. |
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40 internalsdoc = {} |
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41 |
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42 # internal tool merge types |
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43 nomerge = None |
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44 mergeonly = 'mergeonly' # just the full merge, no premerge |
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45 fullmerge = 'fullmerge' # both premerge and merge |
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46 |
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47 class absentfilectx(object): |
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48 """Represents a file that's ostensibly in a context but is actually not |
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49 present in it. |
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50 |
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51 This is here because it's very specific to the filemerge code for now -- |
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52 other code is likely going to break with the values this returns.""" |
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53 def __init__(self, ctx, f): |
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54 self._ctx = ctx |
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55 self._f = f |
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56 |
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57 def path(self): |
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58 return self._f |
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59 |
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60 def size(self): |
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61 return None |
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62 |
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63 def data(self): |
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64 return None |
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65 |
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66 def filenode(self): |
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67 return nullid |
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68 |
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69 _customcmp = True |
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70 def cmp(self, fctx): |
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71 """compare with other file context |
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72 |
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73 returns True if different from fctx. |
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74 """ |
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75 return not (fctx.isabsent() and |
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76 fctx.ctx() == self.ctx() and |
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77 fctx.path() == self.path()) |
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78 |
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79 def flags(self): |
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80 return '' |
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81 |
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82 def changectx(self): |
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83 return self._ctx |
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84 |
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85 def isbinary(self): |
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86 return False |
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87 |
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88 def isabsent(self): |
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89 return True |
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90 |
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91 def internaltool(name, mergetype, onfailure=None, precheck=None): |
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92 '''return a decorator for populating internal merge tool table''' |
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93 def decorator(func): |
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94 fullname = ':' + name |
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95 func.__doc__ = "``%s``\n" % fullname + func.__doc__.strip() |
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96 internals[fullname] = func |
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97 internals['internal:' + name] = func |
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98 internalsdoc[fullname] = func |
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99 func.mergetype = mergetype |
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100 func.onfailure = onfailure |
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101 func.precheck = precheck |
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102 return func |
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103 return decorator |
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104 |
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105 def _findtool(ui, tool): |
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106 if tool in internals: |
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107 return tool |
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108 return findexternaltool(ui, tool) |
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109 |
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110 def findexternaltool(ui, tool): |
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111 for kn in ("regkey", "regkeyalt"): |
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112 k = _toolstr(ui, tool, kn) |
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113 if not k: |
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114 continue |
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115 p = util.lookupreg(k, _toolstr(ui, tool, "regname")) |
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116 if p: |
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117 p = util.findexe(p + _toolstr(ui, tool, "regappend")) |
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118 if p: |
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119 return p |
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120 exe = _toolstr(ui, tool, "executable", tool) |
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121 return util.findexe(util.expandpath(exe)) |
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122 |
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123 def _picktool(repo, ui, path, binary, symlink, changedelete): |
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124 def supportscd(tool): |
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125 return tool in internals and internals[tool].mergetype == nomerge |
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126 |
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127 def check(tool, pat, symlink, binary, changedelete): |
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128 tmsg = tool |
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129 if pat: |
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130 tmsg += " specified for " + pat |
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131 if not _findtool(ui, tool): |
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132 if pat: # explicitly requested tool deserves a warning |
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133 ui.warn(_("couldn't find merge tool %s\n") % tmsg) |
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134 else: # configured but non-existing tools are more silent |
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135 ui.note(_("couldn't find merge tool %s\n") % tmsg) |
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136 elif symlink and not _toolbool(ui, tool, "symlink"): |
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137 ui.warn(_("tool %s can't handle symlinks\n") % tmsg) |
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138 elif binary and not _toolbool(ui, tool, "binary"): |
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139 ui.warn(_("tool %s can't handle binary\n") % tmsg) |
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140 elif changedelete and not supportscd(tool): |
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141 # the nomerge tools are the only tools that support change/delete |
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142 # conflicts |
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143 pass |
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144 elif not util.gui() and _toolbool(ui, tool, "gui"): |
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145 ui.warn(_("tool %s requires a GUI\n") % tmsg) |
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146 else: |
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147 return True |
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148 return False |
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149 |
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150 # internal config: ui.forcemerge |
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151 # forcemerge comes from command line arguments, highest priority |
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152 force = ui.config('ui', 'forcemerge') |
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153 if force: |
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154 toolpath = _findtool(ui, force) |
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155 if changedelete and not supportscd(toolpath): |
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156 return ":prompt", None |
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157 else: |
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158 if toolpath: |
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159 return (force, util.shellquote(toolpath)) |
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160 else: |
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161 # mimic HGMERGE if given tool not found |
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162 return (force, force) |
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163 |
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164 # HGMERGE takes next precedence |
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165 hgmerge = os.environ.get("HGMERGE") |
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166 if hgmerge: |
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167 if changedelete and not supportscd(hgmerge): |
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168 return ":prompt", None |
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169 else: |
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170 return (hgmerge, hgmerge) |
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171 |
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172 # then patterns |
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173 for pat, tool in ui.configitems("merge-patterns"): |
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174 mf = match.match(repo.root, '', [pat]) |
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175 if mf(path) and check(tool, pat, symlink, False, changedelete): |
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176 toolpath = _findtool(ui, tool) |
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177 return (tool, util.shellquote(toolpath)) |
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178 |
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179 # then merge tools |
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180 tools = {} |
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181 disabled = set() |
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182 for k, v in ui.configitems("merge-tools"): |
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183 t = k.split('.')[0] |
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184 if t not in tools: |
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185 tools[t] = int(_toolstr(ui, t, "priority", "0")) |
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186 if _toolbool(ui, t, "disabled", False): |
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187 disabled.add(t) |
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188 names = tools.keys() |
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189 tools = sorted([(-p, t) for t, p in tools.items() if t not in disabled]) |
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190 uimerge = ui.config("ui", "merge") |
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191 if uimerge: |
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192 # external tools defined in uimerge won't be able to handle |
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193 # change/delete conflicts |
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194 if uimerge not in names and not changedelete: |
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195 return (uimerge, uimerge) |
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196 tools.insert(0, (None, uimerge)) # highest priority |
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197 tools.append((None, "hgmerge")) # the old default, if found |
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198 for p, t in tools: |
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199 if check(t, None, symlink, binary, changedelete): |
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200 toolpath = _findtool(ui, t) |
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201 return (t, util.shellquote(toolpath)) |
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202 |
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203 # internal merge or prompt as last resort |
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204 if symlink or binary or changedelete: |
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205 return ":prompt", None |
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206 return ":merge", None |
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207 |
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208 def _eoltype(data): |
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209 "Guess the EOL type of a file" |
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210 if '\0' in data: # binary |
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211 return None |
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212 if '\r\n' in data: # Windows |
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213 return '\r\n' |
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214 if '\r' in data: # Old Mac |
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215 return '\r' |
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216 if '\n' in data: # UNIX |
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217 return '\n' |
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218 return None # unknown |
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219 |
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220 def _matcheol(file, origfile): |
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221 "Convert EOL markers in a file to match origfile" |
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222 tostyle = _eoltype(util.readfile(origfile)) |
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223 if tostyle: |
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224 data = util.readfile(file) |
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225 style = _eoltype(data) |
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226 if style: |
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227 newdata = data.replace(style, tostyle) |
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228 if newdata != data: |
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229 util.writefile(file, newdata) |
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230 |
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231 @internaltool('prompt', nomerge) |
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232 def _iprompt(repo, mynode, orig, fcd, fco, fca, toolconf): |
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233 """Asks the user which of the local or the other version to keep as |
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234 the merged version.""" |
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235 ui = repo.ui |
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236 fd = fcd.path() |
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237 |
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238 try: |
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239 if fco.isabsent(): |
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240 index = ui.promptchoice( |
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241 _("local changed %s which remote deleted\n" |
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242 "use (c)hanged version, (d)elete, or leave (u)nresolved?" |
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243 "$$ &Changed $$ &Delete $$ &Unresolved") % fd, 2) |
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244 choice = ['local', 'other', 'unresolved'][index] |
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245 elif fcd.isabsent(): |
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246 index = ui.promptchoice( |
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247 _("remote changed %s which local deleted\n" |
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248 "use (c)hanged version, leave (d)eleted, or " |
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249 "leave (u)nresolved?" |
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250 "$$ &Changed $$ &Deleted $$ &Unresolved") % fd, 2) |
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251 choice = ['other', 'local', 'unresolved'][index] |
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252 else: |
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253 index = ui.promptchoice( |
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254 _("no tool found to merge %s\n" |
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255 "keep (l)ocal, take (o)ther, or leave (u)nresolved?" |
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256 "$$ &Local $$ &Other $$ &Unresolved") % fd, 2) |
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257 choice = ['local', 'other', 'unresolved'][index] |
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258 |
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259 if choice == 'other': |
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260 return _iother(repo, mynode, orig, fcd, fco, fca, toolconf) |
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261 elif choice == 'local': |
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262 return _ilocal(repo, mynode, orig, fcd, fco, fca, toolconf) |
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263 elif choice == 'unresolved': |
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264 return _ifail(repo, mynode, orig, fcd, fco, fca, toolconf) |
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265 except error.ResponseExpected: |
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266 ui.write("\n") |
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267 return _ifail(repo, mynode, orig, fcd, fco, fca, toolconf) |
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268 |
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269 @internaltool('local', nomerge) |
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270 def _ilocal(repo, mynode, orig, fcd, fco, fca, toolconf): |
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271 """Uses the local version of files as the merged version.""" |
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272 return 0, fcd.isabsent() |
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273 |
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274 @internaltool('other', nomerge) |
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275 def _iother(repo, mynode, orig, fcd, fco, fca, toolconf): |
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276 """Uses the other version of files as the merged version.""" |
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277 if fco.isabsent(): |
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278 # local changed, remote deleted -- 'deleted' picked |
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279 repo.wvfs.unlinkpath(fcd.path()) |
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280 deleted = True |
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281 else: |
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282 repo.wwrite(fcd.path(), fco.data(), fco.flags()) |
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283 deleted = False |
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284 return 0, deleted |
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285 |
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286 @internaltool('fail', nomerge) |
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287 def _ifail(repo, mynode, orig, fcd, fco, fca, toolconf): |
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288 """ |
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289 Rather than attempting to merge files that were modified on both |
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290 branches, it marks them as unresolved. The resolve command must be |
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291 used to resolve these conflicts.""" |
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292 # for change/delete conflicts write out the changed version, then fail |
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293 if fcd.isabsent(): |
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294 repo.wwrite(fcd.path(), fco.data(), fco.flags()) |
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295 return 1, False |
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296 |
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297 def _premerge(repo, fcd, fco, fca, toolconf, files, labels=None): |
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298 tool, toolpath, binary, symlink = toolconf |
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299 if symlink or fcd.isabsent() or fco.isabsent(): |
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300 return 1 |
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301 a, b, c, back = files |
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302 |
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303 ui = repo.ui |
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304 |
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305 validkeep = ['keep', 'keep-merge3'] |
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306 |
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307 # do we attempt to simplemerge first? |
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308 try: |
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309 premerge = _toolbool(ui, tool, "premerge", not binary) |
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310 except error.ConfigError: |
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311 premerge = _toolstr(ui, tool, "premerge").lower() |
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312 if premerge not in validkeep: |
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313 _valid = ', '.join(["'" + v + "'" for v in validkeep]) |
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314 raise error.ConfigError(_("%s.premerge not valid " |
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315 "('%s' is neither boolean nor %s)") % |
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316 (tool, premerge, _valid)) |
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317 |
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318 if premerge: |
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319 if premerge == 'keep-merge3': |
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320 if not labels: |
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321 labels = _defaultconflictlabels |
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322 if len(labels) < 3: |
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323 labels.append('base') |
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324 r = simplemerge.simplemerge(ui, a, b, c, quiet=True, label=labels) |
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325 if not r: |
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326 ui.debug(" premerge successful\n") |
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327 return 0 |
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328 if premerge not in validkeep: |
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329 util.copyfile(back, a) # restore from backup and try again |
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330 return 1 # continue merging |
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331 |
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332 def _mergecheck(repo, mynode, orig, fcd, fco, fca, toolconf): |
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333 tool, toolpath, binary, symlink = toolconf |
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334 if symlink: |
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335 repo.ui.warn(_('warning: internal %s cannot merge symlinks ' |
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336 'for %s\n') % (tool, fcd.path())) |
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337 return False |
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338 if fcd.isabsent() or fco.isabsent(): |
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339 repo.ui.warn(_('warning: internal %s cannot merge change/delete ' |
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340 'conflict for %s\n') % (tool, fcd.path())) |
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341 return False |
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342 return True |
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343 |
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344 def _merge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels, mode): |
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345 """ |
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346 Uses the internal non-interactive simple merge algorithm for merging |
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347 files. It will fail if there are any conflicts and leave markers in |
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348 the partially merged file. Markers will have two sections, one for each side |
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349 of merge, unless mode equals 'union' which suppresses the markers.""" |
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350 a, b, c, back = files |
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351 |
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352 ui = repo.ui |
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353 |
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354 r = simplemerge.simplemerge(ui, a, b, c, label=labels, mode=mode) |
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355 return True, r, False |
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356 |
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357 @internaltool('union', fullmerge, |
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358 _("warning: conflicts while merging %s! " |
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359 "(edit, then use 'hg resolve --mark')\n"), |
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360 precheck=_mergecheck) |
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361 def _iunion(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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362 """ |
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363 Uses the internal non-interactive simple merge algorithm for merging |
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364 files. It will use both left and right sides for conflict regions. |
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365 No markers are inserted.""" |
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366 return _merge(repo, mynode, orig, fcd, fco, fca, toolconf, |
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367 files, labels, 'union') |
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368 |
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369 @internaltool('merge', fullmerge, |
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370 _("warning: conflicts while merging %s! " |
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371 "(edit, then use 'hg resolve --mark')\n"), |
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372 precheck=_mergecheck) |
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373 def _imerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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374 """ |
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375 Uses the internal non-interactive simple merge algorithm for merging |
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376 files. It will fail if there are any conflicts and leave markers in |
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377 the partially merged file. Markers will have two sections, one for each side |
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378 of merge.""" |
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379 return _merge(repo, mynode, orig, fcd, fco, fca, toolconf, |
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380 files, labels, 'merge') |
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381 |
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382 @internaltool('merge3', fullmerge, |
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383 _("warning: conflicts while merging %s! " |
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384 "(edit, then use 'hg resolve --mark')\n"), |
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385 precheck=_mergecheck) |
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386 def _imerge3(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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387 """ |
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388 Uses the internal non-interactive simple merge algorithm for merging |
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389 files. It will fail if there are any conflicts and leave markers in |
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390 the partially merged file. Marker will have three sections, one from each |
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391 side of the merge and one for the base content.""" |
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392 if not labels: |
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393 labels = _defaultconflictlabels |
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394 if len(labels) < 3: |
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395 labels.append('base') |
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396 return _imerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels) |
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397 |
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398 def _imergeauto(repo, mynode, orig, fcd, fco, fca, toolconf, files, |
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399 labels=None, localorother=None): |
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400 """ |
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401 Generic driver for _imergelocal and _imergeother |
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402 """ |
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403 assert localorother is not None |
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404 tool, toolpath, binary, symlink = toolconf |
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405 a, b, c, back = files |
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406 r = simplemerge.simplemerge(repo.ui, a, b, c, label=labels, |
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407 localorother=localorother) |
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408 return True, r |
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409 |
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410 @internaltool('merge-local', mergeonly, precheck=_mergecheck) |
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411 def _imergelocal(*args, **kwargs): |
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412 """ |
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413 Like :merge, but resolve all conflicts non-interactively in favor |
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414 of the local changes.""" |
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415 success, status = _imergeauto(localorother='local', *args, **kwargs) |
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416 return success, status, False |
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417 |
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418 @internaltool('merge-other', mergeonly, precheck=_mergecheck) |
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419 def _imergeother(*args, **kwargs): |
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420 """ |
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421 Like :merge, but resolve all conflicts non-interactively in favor |
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422 of the other changes.""" |
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423 success, status = _imergeauto(localorother='other', *args, **kwargs) |
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424 return success, status, False |
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425 |
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426 @internaltool('tagmerge', mergeonly, |
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427 _("automatic tag merging of %s failed! " |
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428 "(use 'hg resolve --tool :merge' or another merge " |
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429 "tool of your choice)\n")) |
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430 def _itagmerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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431 """ |
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432 Uses the internal tag merge algorithm (experimental). |
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433 """ |
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434 success, status = tagmerge.merge(repo, fcd, fco, fca) |
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435 return success, status, False |
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436 |
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437 @internaltool('dump', fullmerge) |
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438 def _idump(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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439 """ |
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440 Creates three versions of the files to merge, containing the |
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441 contents of local, other and base. These files can then be used to |
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442 perform a merge manually. If the file to be merged is named |
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443 ``a.txt``, these files will accordingly be named ``a.txt.local``, |
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444 ``a.txt.other`` and ``a.txt.base`` and they will be placed in the |
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445 same directory as ``a.txt``.""" |
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446 a, b, c, back = files |
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447 |
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448 fd = fcd.path() |
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449 |
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450 util.copyfile(a, a + ".local") |
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451 repo.wwrite(fd + ".other", fco.data(), fco.flags()) |
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452 repo.wwrite(fd + ".base", fca.data(), fca.flags()) |
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453 return False, 1, False |
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454 |
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455 def _xmerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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456 tool, toolpath, binary, symlink = toolconf |
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457 if fcd.isabsent() or fco.isabsent(): |
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458 repo.ui.warn(_('warning: %s cannot merge change/delete conflict ' |
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459 'for %s\n') % (tool, fcd.path())) |
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460 return False, 1, None |
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461 a, b, c, back = files |
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462 out = "" |
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463 env = {'HG_FILE': fcd.path(), |
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464 'HG_MY_NODE': short(mynode), |
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465 'HG_OTHER_NODE': str(fco.changectx()), |
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466 'HG_BASE_NODE': str(fca.changectx()), |
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467 'HG_MY_ISLINK': 'l' in fcd.flags(), |
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468 'HG_OTHER_ISLINK': 'l' in fco.flags(), |
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469 'HG_BASE_ISLINK': 'l' in fca.flags(), |
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470 } |
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471 |
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472 ui = repo.ui |
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473 |
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474 args = _toolstr(ui, tool, "args", '$local $base $other') |
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475 if "$output" in args: |
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476 out, a = a, back # read input from backup, write to original |
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477 replace = {'local': a, 'base': b, 'other': c, 'output': out} |
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478 args = util.interpolate(r'\$', replace, args, |
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479 lambda s: util.shellquote(util.localpath(s))) |
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480 cmd = toolpath + ' ' + args |
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481 repo.ui.debug('launching merge tool: %s\n' % cmd) |
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482 r = ui.system(cmd, cwd=repo.root, environ=env) |
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483 repo.ui.debug('merge tool returned: %s\n' % r) |
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484 return True, r, False |
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485 |
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486 def _formatconflictmarker(repo, ctx, template, label, pad): |
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487 """Applies the given template to the ctx, prefixed by the label. |
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488 |
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489 Pad is the minimum width of the label prefix, so that multiple markers |
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490 can have aligned templated parts. |
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491 """ |
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492 if ctx.node() is None: |
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493 ctx = ctx.p1() |
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494 |
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495 props = templatekw.keywords.copy() |
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496 props['templ'] = template |
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497 props['ctx'] = ctx |
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498 props['repo'] = repo |
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499 templateresult = template('conflictmarker', **props) |
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500 |
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501 label = ('%s:' % label).ljust(pad + 1) |
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502 mark = '%s %s' % (label, templater.stringify(templateresult)) |
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503 |
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504 if mark: |
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505 mark = mark.splitlines()[0] # split for safety |
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506 |
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507 # 8 for the prefix of conflict marker lines (e.g. '<<<<<<< ') |
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508 return util.ellipsis(mark, 80 - 8) |
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509 |
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510 _defaultconflictmarker = ('{node|short} ' + |
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511 '{ifeq(tags, "tip", "", "{tags} ")}' + |
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512 '{if(bookmarks, "{bookmarks} ")}' + |
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513 '{ifeq(branch, "default", "", "{branch} ")}' + |
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514 '- {author|user}: {desc|firstline}') |
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515 |
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516 _defaultconflictlabels = ['local', 'other'] |
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517 |
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518 def _formatlabels(repo, fcd, fco, fca, labels): |
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519 """Formats the given labels using the conflict marker template. |
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520 |
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521 Returns a list of formatted labels. |
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522 """ |
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523 cd = fcd.changectx() |
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524 co = fco.changectx() |
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525 ca = fca.changectx() |
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526 |
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527 ui = repo.ui |
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528 template = ui.config('ui', 'mergemarkertemplate', _defaultconflictmarker) |
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529 tmpl = templater.templater(None, cache={'conflictmarker': template}) |
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530 |
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531 pad = max(len(l) for l in labels) |
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532 |
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533 newlabels = [_formatconflictmarker(repo, cd, tmpl, labels[0], pad), |
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534 _formatconflictmarker(repo, co, tmpl, labels[1], pad)] |
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535 if len(labels) > 2: |
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536 newlabels.append(_formatconflictmarker(repo, ca, tmpl, labels[2], pad)) |
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537 return newlabels |
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538 |
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539 def _filemerge(premerge, repo, mynode, orig, fcd, fco, fca, labels=None): |
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540 """perform a 3-way merge in the working directory |
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541 |
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542 premerge = whether this is a premerge |
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543 mynode = parent node before merge |
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544 orig = original local filename before merge |
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545 fco = other file context |
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546 fca = ancestor file context |
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547 fcd = local file context for current/destination file |
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548 |
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549 Returns whether the merge is complete, the return value of the merge, and |
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550 a boolean indicating whether the file was deleted from disk.""" |
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551 |
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552 def temp(prefix, ctx): |
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553 pre = "%s~%s." % (os.path.basename(ctx.path()), prefix) |
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554 (fd, name) = tempfile.mkstemp(prefix=pre) |
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555 data = repo.wwritedata(ctx.path(), ctx.data()) |
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556 f = os.fdopen(fd, "wb") |
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557 f.write(data) |
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558 f.close() |
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559 return name |
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560 |
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561 if not fco.cmp(fcd): # files identical? |
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562 return True, None, False |
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563 |
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564 ui = repo.ui |
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565 fd = fcd.path() |
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566 binary = fcd.isbinary() or fco.isbinary() or fca.isbinary() |
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567 symlink = 'l' in fcd.flags() + fco.flags() |
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568 changedelete = fcd.isabsent() or fco.isabsent() |
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569 tool, toolpath = _picktool(repo, ui, fd, binary, symlink, changedelete) |
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570 if tool in internals and tool.startswith('internal:'): |
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571 # normalize to new-style names (':merge' etc) |
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572 tool = tool[len('internal'):] |
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573 ui.debug("picked tool '%s' for %s (binary %s symlink %s changedelete %s)\n" |
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574 % (tool, fd, binary, symlink, changedelete)) |
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575 |
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576 if tool in internals: |
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577 func = internals[tool] |
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578 mergetype = func.mergetype |
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579 onfailure = func.onfailure |
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580 precheck = func.precheck |
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581 else: |
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582 func = _xmerge |
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583 mergetype = fullmerge |
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584 onfailure = _("merging %s failed!\n") |
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585 precheck = None |
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586 |
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587 toolconf = tool, toolpath, binary, symlink |
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588 |
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589 if mergetype == nomerge: |
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590 r, deleted = func(repo, mynode, orig, fcd, fco, fca, toolconf) |
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591 return True, r, deleted |
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592 |
26609
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593 if premerge: |
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594 if orig != fco.path(): |
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595 ui.status(_("merging %s and %s to %s\n") % (orig, fco.path(), fd)) |
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596 else: |
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597 ui.status(_("merging %s\n") % fd) |
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598 |
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599 ui.debug("my %s other %s ancestor %s\n" % (fcd, fco, fca)) |
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600 |
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601 if precheck and not precheck(repo, mynode, orig, fcd, fco, fca, |
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602 toolconf): |
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603 if onfailure: |
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604 ui.warn(onfailure % fd) |
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605 return True, 1, False |
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606 |
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607 a = repo.wjoin(fd) |
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608 b = temp("base", fca) |
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609 c = temp("other", fco) |
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610 if not fcd.isabsent(): |
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611 back = scmutil.origpath(ui, repo, a) |
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612 if premerge: |
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613 util.copyfile(a, back) |
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614 else: |
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615 back = None |
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616 files = (a, b, c, back) |
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617 |
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618 r = 1 |
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619 try: |
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620 markerstyle = ui.config('ui', 'mergemarkers', 'basic') |
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621 if not labels: |
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622 labels = _defaultconflictlabels |
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623 if markerstyle != 'basic': |
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624 labels = _formatlabels(repo, fcd, fco, fca, labels) |
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625 |
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626 if premerge and mergetype == fullmerge: |
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627 r = _premerge(repo, fcd, fco, fca, toolconf, files, labels=labels) |
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628 # complete if premerge successful (r is 0) |
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629 return not r, r, False |
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630 |
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631 needcheck, r, deleted = func(repo, mynode, orig, fcd, fco, fca, |
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632 toolconf, files, labels=labels) |
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633 |
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634 if needcheck: |
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635 r = _check(r, ui, tool, fcd, files) |
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636 |
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637 if r: |
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638 if onfailure: |
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639 ui.warn(onfailure % fd) |
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640 |
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641 return True, r, deleted |
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642 finally: |
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643 if not r and back is not None: |
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644 util.unlink(back) |
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645 util.unlink(b) |
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646 util.unlink(c) |
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647 |
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648 def _check(r, ui, tool, fcd, files): |
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649 fd = fcd.path() |
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650 a, b, c, back = files |
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651 |
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652 if not r and (_toolbool(ui, tool, "checkconflicts") or |
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653 'conflicts' in _toollist(ui, tool, "check")): |
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654 if re.search("^(<<<<<<< .*|=======|>>>>>>> .*)$", fcd.data(), |
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655 re.MULTILINE): |
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656 r = 1 |
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657 |
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658 checked = False |
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659 if 'prompt' in _toollist(ui, tool, "check"): |
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660 checked = True |
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661 if ui.promptchoice(_("was merge of '%s' successful (yn)?" |
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662 "$$ &Yes $$ &No") % fd, 1): |
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663 r = 1 |
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664 |
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665 if not r and not checked and (_toolbool(ui, tool, "checkchanged") or |
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666 'changed' in |
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667 _toollist(ui, tool, "check")): |
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668 if back is not None and filecmp.cmp(a, back): |
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669 if ui.promptchoice(_(" output file %s appears unchanged\n" |
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670 "was merge successful (yn)?" |
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671 "$$ &Yes $$ &No") % fd, 1): |
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672 r = 1 |
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673 |
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674 if back is not None and _toolbool(ui, tool, "fixeol"): |
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675 _matcheol(a, back) |
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676 |
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677 return r |
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678 |
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679 def premerge(repo, mynode, orig, fcd, fco, fca, labels=None): |
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680 return _filemerge(True, repo, mynode, orig, fcd, fco, fca, labels=labels) |
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681 |
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682 def filemerge(repo, mynode, orig, fcd, fco, fca, labels=None): |
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683 return _filemerge(False, repo, mynode, orig, fcd, fco, fca, labels=labels) |
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684 |
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685 # tell hggettext to extract docstrings from these functions: |
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686 i18nfunctions = internals.values() |