Mercurial > hg
annotate mercurial/filemerge.py @ 32482:579df5aaa425
bookmarks: fix check of hash-like name to not abort by ambiguous identifier
'mark in repo' may raise LookupError. I set it to not be warned since bookmark
names shorter than 4 chars aren't checked and short names are likely to be
ambiguous.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Thu, 25 May 2017 23:20:00 +0900 |
parents | 6587427b2018 |
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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 encoding, |
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20 error, |
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21 formatter, |
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22 match, |
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23 pycompat, |
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24 scmutil, |
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25 simplemerge, |
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26 tagmerge, |
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27 templatekw, |
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28 templater, |
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29 util, |
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30 ) |
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31 |
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32 def _toolstr(ui, tool, part, default=""): |
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33 return ui.config("merge-tools", tool + "." + part, default) |
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34 |
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35 def _toolbool(ui, tool, part, default=False): |
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36 return ui.configbool("merge-tools", tool + "." + part, default) |
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37 |
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38 def _toollist(ui, tool, part, default=None): |
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39 if default is None: |
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40 default = [] |
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41 return ui.configlist("merge-tools", tool + "." + part, default) |
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42 |
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43 internals = {} |
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44 # Merge tools to document. |
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45 internalsdoc = {} |
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46 |
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47 # internal tool merge types |
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48 nomerge = None |
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49 mergeonly = 'mergeonly' # just the full merge, no premerge |
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50 fullmerge = 'fullmerge' # both premerge and merge |
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51 |
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52 _localchangedotherdeletedmsg = _( |
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53 "local%(l)s changed %(fd)s which other%(o)s deleted\n" |
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54 "use (c)hanged version, (d)elete, or leave (u)nresolved?" |
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55 "$$ &Changed $$ &Delete $$ &Unresolved") |
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56 |
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57 _otherchangedlocaldeletedmsg = _( |
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58 "other%(o)s changed %(fd)s which local%(l)s deleted\n" |
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59 "use (c)hanged version, leave (d)eleted, or " |
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60 "leave (u)nresolved?" |
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61 "$$ &Changed $$ &Deleted $$ &Unresolved") |
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62 |
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63 class absentfilectx(object): |
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64 """Represents a file that's ostensibly in a context but is actually not |
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65 present in it. |
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66 |
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67 This is here because it's very specific to the filemerge code for now -- |
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68 other code is likely going to break with the values this returns.""" |
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69 def __init__(self, ctx, f): |
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70 self._ctx = ctx |
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71 self._f = f |
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72 |
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73 def path(self): |
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74 return self._f |
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75 |
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76 def size(self): |
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77 return None |
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78 |
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79 def data(self): |
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80 return None |
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81 |
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82 def filenode(self): |
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83 return nullid |
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84 |
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85 _customcmp = True |
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86 def cmp(self, fctx): |
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87 """compare with other file context |
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88 |
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89 returns True if different from fctx. |
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90 """ |
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91 return not (fctx.isabsent() and |
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92 fctx.ctx() == self.ctx() and |
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93 fctx.path() == self.path()) |
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94 |
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95 def flags(self): |
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96 return '' |
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97 |
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98 def changectx(self): |
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99 return self._ctx |
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100 |
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101 def isbinary(self): |
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102 return False |
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103 |
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104 def isabsent(self): |
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105 return True |
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106 |
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107 def internaltool(name, mergetype, onfailure=None, precheck=None): |
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108 '''return a decorator for populating internal merge tool table''' |
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109 def decorator(func): |
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110 fullname = ':' + name |
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111 func.__doc__ = (pycompat.sysstr("``%s``\n" % fullname) |
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112 + func.__doc__.strip()) |
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113 internals[fullname] = func |
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114 internals['internal:' + name] = func |
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115 internalsdoc[fullname] = func |
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116 func.mergetype = mergetype |
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117 func.onfailure = onfailure |
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118 func.precheck = precheck |
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119 return func |
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120 return decorator |
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121 |
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122 def _findtool(ui, tool): |
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123 if tool in internals: |
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124 return tool |
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125 return findexternaltool(ui, tool) |
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126 |
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127 def findexternaltool(ui, tool): |
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128 for kn in ("regkey", "regkeyalt"): |
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129 k = _toolstr(ui, tool, kn) |
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130 if not k: |
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131 continue |
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132 p = util.lookupreg(k, _toolstr(ui, tool, "regname")) |
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133 if p: |
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134 p = util.findexe(p + _toolstr(ui, tool, "regappend")) |
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135 if p: |
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136 return p |
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137 exe = _toolstr(ui, tool, "executable", tool) |
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138 return util.findexe(util.expandpath(exe)) |
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139 |
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140 def _picktool(repo, ui, path, binary, symlink, changedelete): |
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141 def supportscd(tool): |
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142 return tool in internals and internals[tool].mergetype == nomerge |
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143 |
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144 def check(tool, pat, symlink, binary, changedelete): |
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145 tmsg = tool |
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146 if pat: |
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147 tmsg = _("%s (for pattern %s)") % (tool, pat) |
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148 if not _findtool(ui, tool): |
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149 if pat: # explicitly requested tool deserves a warning |
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150 ui.warn(_("couldn't find merge tool %s\n") % tmsg) |
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151 else: # configured but non-existing tools are more silent |
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152 ui.note(_("couldn't find merge tool %s\n") % tmsg) |
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153 elif symlink and not _toolbool(ui, tool, "symlink"): |
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154 ui.warn(_("tool %s can't handle symlinks\n") % tmsg) |
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155 elif binary and not _toolbool(ui, tool, "binary"): |
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156 ui.warn(_("tool %s can't handle binary\n") % tmsg) |
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157 elif changedelete and not supportscd(tool): |
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158 # the nomerge tools are the only tools that support change/delete |
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159 # conflicts |
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160 pass |
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161 elif not util.gui() and _toolbool(ui, tool, "gui"): |
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162 ui.warn(_("tool %s requires a GUI\n") % tmsg) |
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163 else: |
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164 return True |
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165 return False |
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166 |
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167 # internal config: ui.forcemerge |
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168 # forcemerge comes from command line arguments, highest priority |
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169 force = ui.config('ui', 'forcemerge') |
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170 if force: |
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171 toolpath = _findtool(ui, force) |
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172 if changedelete and not supportscd(toolpath): |
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173 return ":prompt", None |
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174 else: |
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175 if toolpath: |
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176 return (force, util.shellquote(toolpath)) |
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177 else: |
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178 # mimic HGMERGE if given tool not found |
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179 return (force, force) |
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180 |
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181 # HGMERGE takes next precedence |
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182 hgmerge = encoding.environ.get("HGMERGE") |
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183 if hgmerge: |
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184 if changedelete and not supportscd(hgmerge): |
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185 return ":prompt", None |
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186 else: |
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187 return (hgmerge, hgmerge) |
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188 |
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189 # then patterns |
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190 for pat, tool in ui.configitems("merge-patterns"): |
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191 mf = match.match(repo.root, '', [pat]) |
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192 if mf(path) and check(tool, pat, symlink, False, changedelete): |
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193 toolpath = _findtool(ui, tool) |
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194 return (tool, util.shellquote(toolpath)) |
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195 |
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196 # then merge tools |
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197 tools = {} |
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198 disabled = set() |
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199 for k, v in ui.configitems("merge-tools"): |
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200 t = k.split('.')[0] |
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201 if t not in tools: |
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202 tools[t] = int(_toolstr(ui, t, "priority", "0")) |
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203 if _toolbool(ui, t, "disabled", False): |
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204 disabled.add(t) |
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205 names = tools.keys() |
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206 tools = sorted([(-p, tool) for tool, p in tools.items() |
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207 if tool not in disabled]) |
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208 uimerge = ui.config("ui", "merge") |
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209 if uimerge: |
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210 # external tools defined in uimerge won't be able to handle |
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211 # change/delete conflicts |
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212 if uimerge not in names and not changedelete: |
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213 return (uimerge, uimerge) |
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214 tools.insert(0, (None, uimerge)) # highest priority |
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215 tools.append((None, "hgmerge")) # the old default, if found |
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216 for p, t in tools: |
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217 if check(t, None, symlink, binary, changedelete): |
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218 toolpath = _findtool(ui, t) |
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219 return (t, util.shellquote(toolpath)) |
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220 |
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221 # internal merge or prompt as last resort |
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222 if symlink or binary or changedelete: |
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223 if not changedelete and len(tools): |
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224 # any tool is rejected by capability for symlink or binary |
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225 ui.warn(_("no tool found to merge %s\n") % path) |
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226 return ":prompt", None |
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227 return ":merge", None |
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228 |
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229 def _eoltype(data): |
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230 "Guess the EOL type of a file" |
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231 if '\0' in data: # binary |
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232 return None |
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233 if '\r\n' in data: # Windows |
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234 return '\r\n' |
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235 if '\r' in data: # Old Mac |
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236 return '\r' |
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237 if '\n' in data: # UNIX |
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238 return '\n' |
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239 return None # unknown |
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240 |
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241 def _matcheol(file, origfile): |
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242 "Convert EOL markers in a file to match origfile" |
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243 tostyle = _eoltype(util.readfile(origfile)) |
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244 if tostyle: |
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245 data = util.readfile(file) |
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246 style = _eoltype(data) |
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247 if style: |
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248 newdata = data.replace(style, tostyle) |
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249 if newdata != data: |
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250 util.writefile(file, newdata) |
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251 |
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252 @internaltool('prompt', nomerge) |
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253 def _iprompt(repo, mynode, orig, fcd, fco, fca, toolconf, labels=None): |
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254 """Asks the user which of the local `p1()` or the other `p2()` version to |
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255 keep as the merged version.""" |
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256 ui = repo.ui |
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257 fd = fcd.path() |
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258 |
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259 prompts = partextras(labels) |
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260 prompts['fd'] = fd |
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261 try: |
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262 if fco.isabsent(): |
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263 index = ui.promptchoice( |
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264 _localchangedotherdeletedmsg % prompts, 2) |
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265 choice = ['local', 'other', 'unresolved'][index] |
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266 elif fcd.isabsent(): |
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267 index = ui.promptchoice( |
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268 _otherchangedlocaldeletedmsg % prompts, 2) |
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269 choice = ['other', 'local', 'unresolved'][index] |
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270 else: |
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271 index = ui.promptchoice( |
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272 _("keep (l)ocal%(l)s, take (o)ther%(o)s, or leave (u)nresolved" |
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273 " for %(fd)s?" |
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274 "$$ &Local $$ &Other $$ &Unresolved") % prompts, 2) |
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275 choice = ['local', 'other', 'unresolved'][index] |
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276 |
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277 if choice == 'other': |
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278 return _iother(repo, mynode, orig, fcd, fco, fca, toolconf, |
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279 labels) |
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280 elif choice == 'local': |
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281 return _ilocal(repo, mynode, orig, fcd, fco, fca, toolconf, |
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282 labels) |
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283 elif choice == 'unresolved': |
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284 return _ifail(repo, mynode, orig, fcd, fco, fca, toolconf, |
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285 labels) |
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286 except error.ResponseExpected: |
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287 ui.write("\n") |
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288 return _ifail(repo, mynode, orig, fcd, fco, fca, toolconf, |
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289 labels) |
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290 |
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291 @internaltool('local', nomerge) |
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292 def _ilocal(repo, mynode, orig, fcd, fco, fca, toolconf, labels=None): |
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293 """Uses the local `p1()` version of files as the merged version.""" |
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294 return 0, fcd.isabsent() |
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295 |
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296 @internaltool('other', nomerge) |
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297 def _iother(repo, mynode, orig, fcd, fco, fca, toolconf, labels=None): |
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298 """Uses the other `p2()` version of files as the merged version.""" |
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299 if fco.isabsent(): |
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300 # local changed, remote deleted -- 'deleted' picked |
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301 repo.wvfs.unlinkpath(fcd.path()) |
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302 deleted = True |
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303 else: |
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304 repo.wwrite(fcd.path(), fco.data(), fco.flags()) |
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305 deleted = False |
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306 return 0, deleted |
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307 |
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308 @internaltool('fail', nomerge) |
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309 def _ifail(repo, mynode, orig, fcd, fco, fca, toolconf, labels=None): |
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310 """ |
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311 Rather than attempting to merge files that were modified on both |
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312 branches, it marks them as unresolved. The resolve command must be |
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313 used to resolve these conflicts.""" |
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314 # for change/delete conflicts write out the changed version, then fail |
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315 if fcd.isabsent(): |
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316 repo.wwrite(fcd.path(), fco.data(), fco.flags()) |
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317 return 1, False |
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318 |
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319 def _premerge(repo, fcd, fco, fca, toolconf, files, labels=None): |
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320 tool, toolpath, binary, symlink = toolconf |
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321 if symlink or fcd.isabsent() or fco.isabsent(): |
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322 return 1 |
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323 a, b, c, back = files |
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324 |
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325 ui = repo.ui |
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326 |
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327 validkeep = ['keep', 'keep-merge3'] |
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328 |
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329 # do we attempt to simplemerge first? |
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330 try: |
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331 premerge = _toolbool(ui, tool, "premerge", not binary) |
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332 except error.ConfigError: |
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333 premerge = _toolstr(ui, tool, "premerge").lower() |
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334 if premerge not in validkeep: |
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335 _valid = ', '.join(["'" + v + "'" for v in validkeep]) |
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336 raise error.ConfigError(_("%s.premerge not valid " |
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337 "('%s' is neither boolean nor %s)") % |
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338 (tool, premerge, _valid)) |
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339 |
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340 if premerge: |
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341 if premerge == 'keep-merge3': |
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342 if not labels: |
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343 labels = _defaultconflictlabels |
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344 if len(labels) < 3: |
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345 labels.append('base') |
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346 r = simplemerge.simplemerge(ui, a, b, c, quiet=True, label=labels) |
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347 if not r: |
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348 ui.debug(" premerge successful\n") |
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349 return 0 |
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350 if premerge not in validkeep: |
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351 util.copyfile(back, a) # restore from backup and try again |
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352 return 1 # continue merging |
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353 |
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354 def _mergecheck(repo, mynode, orig, fcd, fco, fca, toolconf): |
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355 tool, toolpath, binary, symlink = toolconf |
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356 if symlink: |
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357 repo.ui.warn(_('warning: internal %s cannot merge symlinks ' |
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358 'for %s\n') % (tool, fcd.path())) |
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359 return False |
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360 if fcd.isabsent() or fco.isabsent(): |
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361 repo.ui.warn(_('warning: internal %s cannot merge change/delete ' |
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362 'conflict for %s\n') % (tool, fcd.path())) |
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363 return False |
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364 return True |
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365 |
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366 def _merge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels, mode): |
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367 """ |
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368 Uses the internal non-interactive simple merge algorithm for merging |
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369 files. It will fail if there are any conflicts and leave markers in |
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370 the partially merged file. Markers will have two sections, one for each side |
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371 of merge, unless mode equals 'union' which suppresses the markers.""" |
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372 a, b, c, back = files |
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373 |
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374 ui = repo.ui |
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375 |
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376 r = simplemerge.simplemerge(ui, a, b, c, label=labels, mode=mode) |
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377 return True, r, False |
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378 |
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379 @internaltool('union', fullmerge, |
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380 _("warning: conflicts while merging %s! " |
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381 "(edit, then use 'hg resolve --mark')\n"), |
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382 precheck=_mergecheck) |
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383 def _iunion(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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384 """ |
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385 Uses the internal non-interactive simple merge algorithm for merging |
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386 files. It will use both left and right sides for conflict regions. |
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387 No markers are inserted.""" |
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388 return _merge(repo, mynode, orig, fcd, fco, fca, toolconf, |
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389 files, labels, 'union') |
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390 |
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391 @internaltool('merge', fullmerge, |
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392 _("warning: conflicts while merging %s! " |
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393 "(edit, then use 'hg resolve --mark')\n"), |
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394 precheck=_mergecheck) |
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395 def _imerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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396 """ |
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397 Uses the internal non-interactive simple merge algorithm for merging |
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398 files. It will fail if there are any conflicts and leave markers in |
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399 the partially merged file. Markers will have two sections, one for each side |
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400 of merge.""" |
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401 return _merge(repo, mynode, orig, fcd, fco, fca, toolconf, |
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402 files, labels, 'merge') |
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403 |
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404 @internaltool('merge3', fullmerge, |
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405 _("warning: conflicts while merging %s! " |
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406 "(edit, then use 'hg resolve --mark')\n"), |
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407 precheck=_mergecheck) |
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408 def _imerge3(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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409 """ |
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410 Uses the internal non-interactive simple merge algorithm for merging |
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411 files. It will fail if there are any conflicts and leave markers in |
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412 the partially merged file. Marker will have three sections, one from each |
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413 side of the merge and one for the base content.""" |
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414 if not labels: |
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415 labels = _defaultconflictlabels |
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416 if len(labels) < 3: |
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417 labels.append('base') |
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418 return _imerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels) |
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419 |
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420 def _imergeauto(repo, mynode, orig, fcd, fco, fca, toolconf, files, |
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421 labels=None, localorother=None): |
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422 """ |
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423 Generic driver for _imergelocal and _imergeother |
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424 """ |
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425 assert localorother is not None |
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426 tool, toolpath, binary, symlink = toolconf |
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427 a, b, c, back = files |
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428 r = simplemerge.simplemerge(repo.ui, a, b, c, label=labels, |
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429 localorother=localorother) |
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430 return True, r |
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431 |
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432 @internaltool('merge-local', mergeonly, precheck=_mergecheck) |
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433 def _imergelocal(*args, **kwargs): |
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434 """ |
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435 Like :merge, but resolve all conflicts non-interactively in favor |
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436 of the local `p1()` changes.""" |
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437 success, status = _imergeauto(localorother='local', *args, **kwargs) |
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438 return success, status, False |
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439 |
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440 @internaltool('merge-other', mergeonly, precheck=_mergecheck) |
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441 def _imergeother(*args, **kwargs): |
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442 """ |
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443 Like :merge, but resolve all conflicts non-interactively in favor |
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444 of the other `p2()` changes.""" |
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445 success, status = _imergeauto(localorother='other', *args, **kwargs) |
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446 return success, status, False |
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447 |
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448 @internaltool('tagmerge', mergeonly, |
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449 _("automatic tag merging of %s failed! " |
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450 "(use 'hg resolve --tool :merge' or another merge " |
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451 "tool of your choice)\n")) |
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452 def _itagmerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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453 """ |
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454 Uses the internal tag merge algorithm (experimental). |
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455 """ |
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456 success, status = tagmerge.merge(repo, fcd, fco, fca) |
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457 return success, status, False |
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458 |
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459 @internaltool('dump', fullmerge) |
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460 def _idump(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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461 """ |
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462 Creates three versions of the files to merge, containing the |
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463 contents of local, other and base. These files can then be used to |
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464 perform a merge manually. If the file to be merged is named |
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465 ``a.txt``, these files will accordingly be named ``a.txt.local``, |
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466 ``a.txt.other`` and ``a.txt.base`` and they will be placed in the |
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467 same directory as ``a.txt``. |
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468 |
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469 This implies permerge. Therefore, files aren't dumped, if premerge |
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470 runs successfully. Use :forcedump to forcibly write files out. |
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471 """ |
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472 a, b, c, back = files |
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473 |
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474 fd = fcd.path() |
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475 |
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476 util.copyfile(a, a + ".local") |
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477 repo.wwrite(fd + ".other", fco.data(), fco.flags()) |
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478 repo.wwrite(fd + ".base", fca.data(), fca.flags()) |
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479 return False, 1, False |
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480 |
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481 @internaltool('forcedump', mergeonly) |
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482 def _forcedump(repo, mynode, orig, fcd, fco, fca, toolconf, files, |
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483 labels=None): |
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484 """ |
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485 Creates three versions of the files as same as :dump, but omits premerge. |
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486 """ |
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487 return _idump(repo, mynode, orig, fcd, fco, fca, toolconf, files, |
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488 labels=labels) |
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489 |
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490 def _xmerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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491 tool, toolpath, binary, symlink = toolconf |
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492 if fcd.isabsent() or fco.isabsent(): |
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493 repo.ui.warn(_('warning: %s cannot merge change/delete conflict ' |
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494 'for %s\n') % (tool, fcd.path())) |
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495 return False, 1, None |
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496 a, b, c, back = files |
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497 out = "" |
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498 env = {'HG_FILE': fcd.path(), |
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499 'HG_MY_NODE': short(mynode), |
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500 'HG_OTHER_NODE': str(fco.changectx()), |
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501 'HG_BASE_NODE': str(fca.changectx()), |
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502 'HG_MY_ISLINK': 'l' in fcd.flags(), |
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503 'HG_OTHER_ISLINK': 'l' in fco.flags(), |
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504 'HG_BASE_ISLINK': 'l' in fca.flags(), |
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505 } |
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506 |
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507 ui = repo.ui |
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508 |
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509 args = _toolstr(ui, tool, "args", '$local $base $other') |
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510 if "$output" in args: |
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511 out, a = a, back # read input from backup, write to original |
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512 replace = {'local': a, 'base': b, 'other': c, 'output': out} |
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513 args = util.interpolate(r'\$', replace, args, |
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514 lambda s: util.shellquote(util.localpath(s))) |
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515 cmd = toolpath + ' ' + args |
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516 if _toolbool(ui, tool, "gui"): |
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517 repo.ui.status(_('running merge tool %s for file %s\n') % |
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518 (tool, fcd.path())) |
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519 repo.ui.debug('launching merge tool: %s\n' % cmd) |
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520 r = ui.system(cmd, cwd=repo.root, environ=env, blockedtag='mergetool') |
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521 repo.ui.debug('merge tool returned: %s\n' % r) |
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522 return True, r, False |
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523 |
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524 def _formatconflictmarker(repo, ctx, template, label, pad): |
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525 """Applies the given template to the ctx, prefixed by the label. |
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526 |
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527 Pad is the minimum width of the label prefix, so that multiple markers |
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528 can have aligned templated parts. |
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529 """ |
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530 if ctx.node() is None: |
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531 ctx = ctx.p1() |
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532 |
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533 props = templatekw.keywords.copy() |
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534 props['templ'] = template |
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535 props['ctx'] = ctx |
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536 props['repo'] = repo |
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537 templateresult = template('conflictmarker', **props) |
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538 |
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539 label = ('%s:' % label).ljust(pad + 1) |
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540 mark = '%s %s' % (label, templater.stringify(templateresult)) |
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541 |
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542 if mark: |
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543 mark = mark.splitlines()[0] # split for safety |
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544 |
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545 # 8 for the prefix of conflict marker lines (e.g. '<<<<<<< ') |
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546 return util.ellipsis(mark, 80 - 8) |
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547 |
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548 _defaultconflictmarker = ('{node|short} ' |
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549 '{ifeq(tags, "tip", "", ' |
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550 'ifeq(tags, "", "", "{tags} "))}' |
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551 '{if(bookmarks, "{bookmarks} ")}' |
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552 '{ifeq(branch, "default", "", "{branch} ")}' |
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553 '- {author|user}: {desc|firstline}') |
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554 |
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555 _defaultconflictlabels = ['local', 'other'] |
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556 |
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557 def _formatlabels(repo, fcd, fco, fca, labels): |
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558 """Formats the given labels using the conflict marker template. |
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559 |
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560 Returns a list of formatted labels. |
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561 """ |
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562 cd = fcd.changectx() |
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563 co = fco.changectx() |
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564 ca = fca.changectx() |
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565 |
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566 ui = repo.ui |
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567 template = ui.config('ui', 'mergemarkertemplate', _defaultconflictmarker) |
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568 template = templater.unquotestring(template) |
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569 tmpl = formatter.maketemplater(ui, 'conflictmarker', template) |
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570 |
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571 pad = max(len(l) for l in labels) |
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572 |
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573 newlabels = [_formatconflictmarker(repo, cd, tmpl, labels[0], pad), |
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574 _formatconflictmarker(repo, co, tmpl, labels[1], pad)] |
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575 if len(labels) > 2: |
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576 newlabels.append(_formatconflictmarker(repo, ca, tmpl, labels[2], pad)) |
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577 return newlabels |
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578 |
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579 def partextras(labels): |
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580 """Return a dictionary of extra labels for use in prompts to the user |
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581 |
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582 Intended use is in strings of the form "(l)ocal%(l)s". |
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583 """ |
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584 if labels is None: |
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585 return { |
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586 "l": "", |
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587 "o": "", |
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588 } |
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589 |
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590 return { |
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591 "l": " [%s]" % labels[0], |
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592 "o": " [%s]" % labels[1], |
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593 } |
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594 |
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595 def _filemerge(premerge, repo, mynode, orig, fcd, fco, fca, labels=None): |
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596 """perform a 3-way merge in the working directory |
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597 |
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598 premerge = whether this is a premerge |
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599 mynode = parent node before merge |
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600 orig = original local filename before merge |
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601 fco = other file context |
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602 fca = ancestor file context |
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603 fcd = local file context for current/destination file |
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604 |
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605 Returns whether the merge is complete, the return value of the merge, and |
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606 a boolean indicating whether the file was deleted from disk.""" |
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|
607 |
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608 def temp(prefix, ctx): |
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609 fullbase, ext = os.path.splitext(ctx.path()) |
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610 pre = "%s~%s." % (os.path.basename(fullbase), prefix) |
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611 (fd, name) = tempfile.mkstemp(prefix=pre, suffix=ext) |
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612 data = repo.wwritedata(ctx.path(), ctx.data()) |
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|
613 f = os.fdopen(fd, pycompat.sysstr("wb")) |
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614 f.write(data) |
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|
615 f.close() |
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|
616 return name |
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|
617 |
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618 if not fco.cmp(fcd): # files identical? |
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619 return True, None, False |
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|
620 |
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|
621 ui = repo.ui |
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622 fd = fcd.path() |
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623 binary = fcd.isbinary() or fco.isbinary() or fca.isbinary() |
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|
624 symlink = 'l' in fcd.flags() + fco.flags() |
27039
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|
625 changedelete = fcd.isabsent() or fco.isabsent() |
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|
626 tool, toolpath = _picktool(repo, ui, fd, binary, symlink, changedelete) |
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627 if tool in internals and tool.startswith('internal:'): |
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|
628 # normalize to new-style names (':merge' etc) |
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changeset
|
629 tool = tool[len('internal'):] |
27161
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|
630 ui.debug("picked tool '%s' for %s (binary %s symlink %s changedelete %s)\n" |
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|
631 % (tool, fd, binary, symlink, changedelete)) |
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|
632 |
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|
633 if tool in internals: |
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changeset
|
634 func = internals[tool] |
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|
635 mergetype = func.mergetype |
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|
636 onfailure = func.onfailure |
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|
637 precheck = func.precheck |
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|
638 else: |
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changeset
|
639 func = _xmerge |
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|
640 mergetype = fullmerge |
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|
641 onfailure = _("merging %s failed!\n") |
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|
642 precheck = None |
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|
643 |
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|
644 toolconf = tool, toolpath, binary, symlink |
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|
645 |
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|
646 if mergetype == nomerge: |
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|
647 r, deleted = func(repo, mynode, orig, fcd, fco, fca, toolconf, labels) |
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|
648 return True, r, deleted |
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changeset
|
649 |
26609
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changeset
|
650 if premerge: |
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changeset
|
651 if orig != fco.path(): |
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diff
changeset
|
652 ui.status(_("merging %s and %s to %s\n") % (orig, fco.path(), fd)) |
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|
653 else: |
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diff
changeset
|
654 ui.status(_("merging %s\n") % fd) |
26528
8bfef5737321
filemerge: move 'merging' output to before file creation
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diff
changeset
|
655 |
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|
656 ui.debug("my %s other %s ancestor %s\n" % (fcd, fco, fca)) |
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|
657 |
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|
658 if precheck and not precheck(repo, mynode, orig, fcd, fco, fca, |
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|
659 toolconf): |
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changeset
|
660 if onfailure: |
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661 ui.warn(onfailure % fd) |
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662 return True, 1, False |
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663 |
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664 a = repo.wjoin(fd) |
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665 b = temp("base", fca) |
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666 c = temp("other", fco) |
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667 if not fcd.isabsent(): |
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668 back = scmutil.origpath(ui, repo, a) |
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669 if premerge: |
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670 util.copyfile(a, back) |
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671 else: |
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672 back = None |
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673 files = (a, b, c, back) |
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674 |
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675 r = 1 |
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676 try: |
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677 markerstyle = ui.config('ui', 'mergemarkers', 'basic') |
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678 if not labels: |
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679 labels = _defaultconflictlabels |
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680 if markerstyle != 'basic': |
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681 labels = _formatlabels(repo, fcd, fco, fca, labels) |
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682 |
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683 if premerge and mergetype == fullmerge: |
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684 r = _premerge(repo, fcd, fco, fca, toolconf, files, labels=labels) |
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685 # complete if premerge successful (r is 0) |
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686 return not r, r, False |
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687 |
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688 needcheck, r, deleted = func(repo, mynode, orig, fcd, fco, fca, |
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689 toolconf, files, labels=labels) |
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690 |
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691 if needcheck: |
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692 r = _check(r, ui, tool, fcd, files) |
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693 |
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694 if r: |
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695 if onfailure: |
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696 ui.warn(onfailure % fd) |
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697 |
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698 return True, r, deleted |
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699 finally: |
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700 if not r and back is not None: |
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701 util.unlink(back) |
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702 util.unlink(b) |
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703 util.unlink(c) |
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704 |
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705 def _check(r, ui, tool, fcd, files): |
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706 fd = fcd.path() |
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707 a, b, c, back = files |
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708 |
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709 if not r and (_toolbool(ui, tool, "checkconflicts") or |
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710 'conflicts' in _toollist(ui, tool, "check")): |
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711 if re.search("^(<<<<<<< .*|=======|>>>>>>> .*)$", fcd.data(), |
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712 re.MULTILINE): |
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713 r = 1 |
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714 |
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715 checked = False |
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716 if 'prompt' in _toollist(ui, tool, "check"): |
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717 checked = True |
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718 if ui.promptchoice(_("was merge of '%s' successful (yn)?" |
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719 "$$ &Yes $$ &No") % fd, 1): |
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720 r = 1 |
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721 |
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722 if not r and not checked and (_toolbool(ui, tool, "checkchanged") or |
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723 'changed' in |
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724 _toollist(ui, tool, "check")): |
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725 if back is not None and filecmp.cmp(a, back): |
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726 if ui.promptchoice(_(" output file %s appears unchanged\n" |
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727 "was merge successful (yn)?" |
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728 "$$ &Yes $$ &No") % fd, 1): |
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729 r = 1 |
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730 |
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731 if back is not None and _toolbool(ui, tool, "fixeol"): |
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732 _matcheol(a, back) |
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733 |
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734 return r |
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735 |
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736 def premerge(repo, mynode, orig, fcd, fco, fca, labels=None): |
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737 return _filemerge(True, repo, mynode, orig, fcd, fco, fca, labels=labels) |
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738 |
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739 def filemerge(repo, mynode, orig, fcd, fco, fca, labels=None): |
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740 return _filemerge(False, repo, mynode, orig, fcd, fco, fca, labels=labels) |
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741 |
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742 # tell hggettext to extract docstrings from these functions: |
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743 i18nfunctions = internals.values() |