Mercurial > hg
annotate mercurial/filemerge.py @ 37838:3fe1c9263024
log: consume --stat/patch options at constructor of changesetprinter
The variable name, self.diffopts, was confusing. Let's split it to two
booleans.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sun, 29 Apr 2018 15:52:01 +0900 |
parents | a8a902d7176e |
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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 contextlib |
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11 import os |
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12 import re |
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13 import shutil |
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14 import tempfile |
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15 |
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16 from .i18n import _ |
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17 from .node import nullid, short |
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18 |
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19 from . import ( |
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20 encoding, |
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21 error, |
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22 formatter, |
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23 match, |
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24 pycompat, |
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25 registrar, |
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26 scmutil, |
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27 simplemerge, |
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28 tagmerge, |
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29 templatekw, |
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30 templater, |
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31 util, |
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32 ) |
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33 |
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34 from .utils import ( |
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35 procutil, |
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36 stringutil, |
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37 ) |
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38 |
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39 def _toolstr(ui, tool, part, *args): |
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40 return ui.config("merge-tools", tool + "." + part, *args) |
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41 |
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42 def _toolbool(ui, tool, part,*args): |
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43 return ui.configbool("merge-tools", tool + "." + part, *args) |
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44 |
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45 def _toollist(ui, tool, part): |
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46 return ui.configlist("merge-tools", tool + "." + part) |
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47 |
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48 internals = {} |
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49 # Merge tools to document. |
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50 internalsdoc = {} |
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51 |
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52 internaltool = registrar.internalmerge() |
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53 |
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54 # internal tool merge types |
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55 nomerge = internaltool.nomerge |
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56 mergeonly = internaltool.mergeonly # just the full merge, no premerge |
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57 fullmerge = internaltool.fullmerge # both premerge and merge |
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58 |
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59 _localchangedotherdeletedmsg = _( |
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60 "local%(l)s changed %(fd)s which other%(o)s deleted\n" |
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61 "use (c)hanged version, (d)elete, or leave (u)nresolved?" |
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62 "$$ &Changed $$ &Delete $$ &Unresolved") |
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63 |
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64 _otherchangedlocaldeletedmsg = _( |
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65 "other%(o)s changed %(fd)s which local%(l)s deleted\n" |
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66 "use (c)hanged version, leave (d)eleted, or " |
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67 "leave (u)nresolved?" |
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68 "$$ &Changed $$ &Deleted $$ &Unresolved") |
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69 |
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70 class absentfilectx(object): |
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71 """Represents a file that's ostensibly in a context but is actually not |
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72 present in it. |
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73 |
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74 This is here because it's very specific to the filemerge code for now -- |
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75 other code is likely going to break with the values this returns.""" |
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76 def __init__(self, ctx, f): |
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77 self._ctx = ctx |
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78 self._f = f |
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79 |
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80 def path(self): |
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81 return self._f |
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82 |
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83 def size(self): |
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84 return None |
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85 |
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86 def data(self): |
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87 return None |
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88 |
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89 def filenode(self): |
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90 return nullid |
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91 |
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92 _customcmp = True |
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93 def cmp(self, fctx): |
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94 """compare with other file context |
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95 |
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96 returns True if different from fctx. |
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97 """ |
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98 return not (fctx.isabsent() and |
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99 fctx.ctx() == self.ctx() and |
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100 fctx.path() == self.path()) |
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101 |
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102 def flags(self): |
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103 return '' |
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104 |
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105 def changectx(self): |
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106 return self._ctx |
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107 |
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108 def isbinary(self): |
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109 return False |
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110 |
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111 def isabsent(self): |
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112 return True |
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113 |
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114 def _findtool(ui, tool): |
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115 if tool in internals: |
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116 return tool |
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117 return findexternaltool(ui, tool) |
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118 |
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119 def findexternaltool(ui, tool): |
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120 for kn in ("regkey", "regkeyalt"): |
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121 k = _toolstr(ui, tool, kn) |
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122 if not k: |
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123 continue |
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124 p = util.lookupreg(k, _toolstr(ui, tool, "regname")) |
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125 if p: |
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126 p = procutil.findexe(p + _toolstr(ui, tool, "regappend", "")) |
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127 if p: |
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128 return p |
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129 exe = _toolstr(ui, tool, "executable", tool) |
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130 return procutil.findexe(util.expandpath(exe)) |
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131 |
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132 def _picktool(repo, ui, path, binary, symlink, changedelete): |
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133 def supportscd(tool): |
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134 return tool in internals and internals[tool].mergetype == nomerge |
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135 |
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136 def check(tool, pat, symlink, binary, changedelete): |
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137 tmsg = tool |
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138 if pat: |
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139 tmsg = _("%s (for pattern %s)") % (tool, pat) |
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140 if not _findtool(ui, tool): |
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141 if pat: # explicitly requested tool deserves a warning |
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142 ui.warn(_("couldn't find merge tool %s\n") % tmsg) |
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143 else: # configured but non-existing tools are more silent |
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144 ui.note(_("couldn't find merge tool %s\n") % tmsg) |
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145 elif symlink and not _toolbool(ui, tool, "symlink"): |
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146 ui.warn(_("tool %s can't handle symlinks\n") % tmsg) |
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147 elif binary and not _toolbool(ui, tool, "binary"): |
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148 ui.warn(_("tool %s can't handle binary\n") % tmsg) |
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149 elif changedelete and not supportscd(tool): |
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150 # the nomerge tools are the only tools that support change/delete |
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151 # conflicts |
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152 pass |
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153 elif not procutil.gui() and _toolbool(ui, tool, "gui"): |
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154 ui.warn(_("tool %s requires a GUI\n") % tmsg) |
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155 else: |
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156 return True |
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157 return False |
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158 |
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159 # internal config: ui.forcemerge |
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160 # forcemerge comes from command line arguments, highest priority |
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161 force = ui.config('ui', 'forcemerge') |
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162 if force: |
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163 toolpath = _findtool(ui, force) |
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164 if changedelete and not supportscd(toolpath): |
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165 return ":prompt", None |
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166 else: |
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167 if toolpath: |
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168 return (force, procutil.shellquote(toolpath)) |
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169 else: |
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170 # mimic HGMERGE if given tool not found |
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171 return (force, force) |
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172 |
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173 # HGMERGE takes next precedence |
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174 hgmerge = encoding.environ.get("HGMERGE") |
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175 if hgmerge: |
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176 if changedelete and not supportscd(hgmerge): |
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177 return ":prompt", None |
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178 else: |
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179 return (hgmerge, hgmerge) |
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180 |
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181 # then patterns |
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182 for pat, tool in ui.configitems("merge-patterns"): |
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183 mf = match.match(repo.root, '', [pat]) |
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184 if mf(path) and check(tool, pat, symlink, False, changedelete): |
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185 toolpath = _findtool(ui, tool) |
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186 return (tool, procutil.shellquote(toolpath)) |
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187 |
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188 # then merge tools |
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189 tools = {} |
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190 disabled = set() |
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191 for k, v in ui.configitems("merge-tools"): |
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192 t = k.split('.')[0] |
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193 if t not in tools: |
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194 tools[t] = int(_toolstr(ui, t, "priority")) |
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195 if _toolbool(ui, t, "disabled"): |
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196 disabled.add(t) |
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197 names = tools.keys() |
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198 tools = sorted([(-p, tool) for tool, p in tools.items() |
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199 if tool not in disabled]) |
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200 uimerge = ui.config("ui", "merge") |
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201 if uimerge: |
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202 # external tools defined in uimerge won't be able to handle |
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203 # change/delete conflicts |
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204 if uimerge not in names and not changedelete: |
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205 return (uimerge, uimerge) |
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206 tools.insert(0, (None, uimerge)) # highest priority |
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207 tools.append((None, "hgmerge")) # the old default, if found |
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208 for p, t in tools: |
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209 if check(t, None, symlink, binary, changedelete): |
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210 toolpath = _findtool(ui, t) |
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211 return (t, procutil.shellquote(toolpath)) |
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212 |
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213 # internal merge or prompt as last resort |
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214 if symlink or binary or changedelete: |
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215 if not changedelete and len(tools): |
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216 # any tool is rejected by capability for symlink or binary |
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217 ui.warn(_("no tool found to merge %s\n") % path) |
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218 return ":prompt", None |
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219 return ":merge", None |
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220 |
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221 def _eoltype(data): |
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222 "Guess the EOL type of a file" |
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223 if '\0' in data: # binary |
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224 return None |
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225 if '\r\n' in data: # Windows |
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226 return '\r\n' |
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227 if '\r' in data: # Old Mac |
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228 return '\r' |
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229 if '\n' in data: # UNIX |
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230 return '\n' |
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231 return None # unknown |
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232 |
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233 def _matcheol(file, back): |
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234 "Convert EOL markers in a file to match origfile" |
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235 tostyle = _eoltype(back.data()) # No repo.wread filters? |
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236 if tostyle: |
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237 data = util.readfile(file) |
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238 style = _eoltype(data) |
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239 if style: |
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240 newdata = data.replace(style, tostyle) |
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241 if newdata != data: |
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242 util.writefile(file, newdata) |
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243 |
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244 @internaltool('prompt', nomerge) |
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245 def _iprompt(repo, mynode, orig, fcd, fco, fca, toolconf, labels=None): |
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246 """Asks the user which of the local `p1()` or the other `p2()` version to |
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247 keep as the merged version.""" |
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248 ui = repo.ui |
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249 fd = fcd.path() |
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250 |
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251 # Avoid prompting during an in-memory merge since it doesn't support merge |
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252 # conflicts. |
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253 if fcd.changectx().isinmemory(): |
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254 raise error.InMemoryMergeConflictsError('in-memory merge does not ' |
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255 'support file conflicts') |
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256 |
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257 prompts = partextras(labels) |
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258 prompts['fd'] = fd |
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259 try: |
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260 if fco.isabsent(): |
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261 index = ui.promptchoice( |
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262 _localchangedotherdeletedmsg % prompts, 2) |
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263 choice = ['local', 'other', 'unresolved'][index] |
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264 elif fcd.isabsent(): |
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265 index = ui.promptchoice( |
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266 _otherchangedlocaldeletedmsg % prompts, 2) |
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267 choice = ['other', 'local', 'unresolved'][index] |
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268 else: |
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269 index = ui.promptchoice( |
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270 _("keep (l)ocal%(l)s, take (o)ther%(o)s, or leave (u)nresolved" |
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271 " for %(fd)s?" |
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272 "$$ &Local $$ &Other $$ &Unresolved") % prompts, 2) |
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273 choice = ['local', 'other', 'unresolved'][index] |
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274 |
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275 if choice == 'other': |
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276 return _iother(repo, mynode, orig, fcd, fco, fca, toolconf, |
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277 labels) |
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278 elif choice == 'local': |
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279 return _ilocal(repo, mynode, orig, fcd, fco, fca, toolconf, |
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280 labels) |
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281 elif choice == 'unresolved': |
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282 return _ifail(repo, mynode, orig, fcd, fco, fca, toolconf, |
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283 labels) |
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284 except error.ResponseExpected: |
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285 ui.write("\n") |
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286 return _ifail(repo, mynode, orig, fcd, fco, fca, toolconf, |
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287 labels) |
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288 |
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289 @internaltool('local', nomerge) |
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290 def _ilocal(repo, mynode, orig, fcd, fco, fca, toolconf, labels=None): |
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291 """Uses the local `p1()` version of files as the merged version.""" |
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292 return 0, fcd.isabsent() |
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293 |
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294 @internaltool('other', nomerge) |
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295 def _iother(repo, mynode, orig, fcd, fco, fca, toolconf, labels=None): |
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296 """Uses the other `p2()` version of files as the merged version.""" |
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297 if fco.isabsent(): |
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298 # local changed, remote deleted -- 'deleted' picked |
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299 _underlyingfctxifabsent(fcd).remove() |
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300 deleted = True |
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301 else: |
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302 _underlyingfctxifabsent(fcd).write(fco.data(), fco.flags()) |
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303 deleted = False |
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304 return 0, deleted |
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305 |
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306 @internaltool('fail', nomerge) |
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307 def _ifail(repo, mynode, orig, fcd, fco, fca, toolconf, labels=None): |
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308 """ |
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309 Rather than attempting to merge files that were modified on both |
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310 branches, it marks them as unresolved. The resolve command must be |
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311 used to resolve these conflicts.""" |
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312 # for change/delete conflicts write out the changed version, then fail |
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313 if fcd.isabsent(): |
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314 _underlyingfctxifabsent(fcd).write(fco.data(), fco.flags()) |
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315 return 1, False |
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316 |
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317 def _underlyingfctxifabsent(filectx): |
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318 """Sometimes when resolving, our fcd is actually an absentfilectx, but |
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319 we want to write to it (to do the resolve). This helper returns the |
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320 underyling workingfilectx in that case. |
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321 """ |
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322 if filectx.isabsent(): |
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323 return filectx.changectx()[filectx.path()] |
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324 else: |
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325 return filectx |
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326 |
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327 def _premerge(repo, fcd, fco, fca, toolconf, files, labels=None): |
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328 tool, toolpath, binary, symlink = toolconf |
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329 if symlink or fcd.isabsent() or fco.isabsent(): |
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330 return 1 |
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331 unused, unused, unused, back = files |
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332 |
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333 ui = repo.ui |
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334 |
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335 validkeep = ['keep', 'keep-merge3'] |
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336 |
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337 # do we attempt to simplemerge first? |
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338 try: |
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339 premerge = _toolbool(ui, tool, "premerge", not binary) |
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340 except error.ConfigError: |
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341 premerge = _toolstr(ui, tool, "premerge", "").lower() |
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342 if premerge not in validkeep: |
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343 _valid = ', '.join(["'" + v + "'" for v in validkeep]) |
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344 raise error.ConfigError(_("%s.premerge not valid " |
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345 "('%s' is neither boolean nor %s)") % |
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346 (tool, premerge, _valid)) |
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347 |
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348 if premerge: |
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349 if premerge == 'keep-merge3': |
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350 if not labels: |
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351 labels = _defaultconflictlabels |
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352 if len(labels) < 3: |
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353 labels.append('base') |
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354 r = simplemerge.simplemerge(ui, fcd, fca, fco, quiet=True, label=labels) |
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355 if not r: |
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356 ui.debug(" premerge successful\n") |
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357 return 0 |
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358 if premerge not in validkeep: |
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359 # restore from backup and try again |
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360 _restorebackup(fcd, back) |
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361 return 1 # continue merging |
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362 |
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363 def _mergecheck(repo, mynode, orig, fcd, fco, fca, toolconf): |
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364 tool, toolpath, binary, symlink = toolconf |
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365 if symlink: |
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366 repo.ui.warn(_('warning: internal %s cannot merge symlinks ' |
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367 'for %s\n') % (tool, fcd.path())) |
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368 return False |
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369 if fcd.isabsent() or fco.isabsent(): |
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370 repo.ui.warn(_('warning: internal %s cannot merge change/delete ' |
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371 'conflict for %s\n') % (tool, fcd.path())) |
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372 return False |
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373 return True |
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374 |
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375 def _merge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels, mode): |
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376 """ |
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377 Uses the internal non-interactive simple merge algorithm for merging |
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378 files. It will fail if there are any conflicts and leave markers in |
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379 the partially merged file. Markers will have two sections, one for each side |
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380 of merge, unless mode equals 'union' which suppresses the markers.""" |
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381 ui = repo.ui |
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382 |
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383 r = simplemerge.simplemerge(ui, fcd, fca, fco, label=labels, mode=mode) |
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384 return True, r, False |
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385 |
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386 @internaltool('union', fullmerge, |
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387 _("warning: conflicts while merging %s! " |
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388 "(edit, then use 'hg resolve --mark')\n"), |
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389 precheck=_mergecheck) |
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390 def _iunion(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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391 """ |
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392 Uses the internal non-interactive simple merge algorithm for merging |
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393 files. It will use both left and right sides for conflict regions. |
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394 No markers are inserted.""" |
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395 return _merge(repo, mynode, orig, fcd, fco, fca, toolconf, |
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396 files, labels, 'union') |
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397 |
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398 @internaltool('merge', fullmerge, |
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399 _("warning: conflicts while merging %s! " |
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400 "(edit, then use 'hg resolve --mark')\n"), |
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401 precheck=_mergecheck) |
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402 def _imerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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403 """ |
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404 Uses the internal non-interactive simple merge algorithm for merging |
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405 files. It will fail if there are any conflicts and leave markers in |
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406 the partially merged file. Markers will have two sections, one for each side |
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407 of merge.""" |
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408 return _merge(repo, mynode, orig, fcd, fco, fca, toolconf, |
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409 files, labels, 'merge') |
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410 |
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411 @internaltool('merge3', fullmerge, |
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412 _("warning: conflicts while merging %s! " |
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413 "(edit, then use 'hg resolve --mark')\n"), |
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414 precheck=_mergecheck) |
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415 def _imerge3(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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416 """ |
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417 Uses the internal non-interactive simple merge algorithm for merging |
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418 files. It will fail if there are any conflicts and leave markers in |
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419 the partially merged file. Marker will have three sections, one from each |
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420 side of the merge and one for the base content.""" |
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421 if not labels: |
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422 labels = _defaultconflictlabels |
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423 if len(labels) < 3: |
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424 labels.append('base') |
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425 return _imerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels) |
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426 |
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427 def _imergeauto(repo, mynode, orig, fcd, fco, fca, toolconf, files, |
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428 labels=None, localorother=None): |
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429 """ |
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430 Generic driver for _imergelocal and _imergeother |
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431 """ |
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432 assert localorother is not None |
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433 tool, toolpath, binary, symlink = toolconf |
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434 r = simplemerge.simplemerge(repo.ui, fcd, fca, fco, label=labels, |
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435 localorother=localorother) |
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436 return True, r |
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437 |
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438 @internaltool('merge-local', mergeonly, precheck=_mergecheck) |
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439 def _imergelocal(*args, **kwargs): |
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440 """ |
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441 Like :merge, but resolve all conflicts non-interactively in favor |
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442 of the local `p1()` changes.""" |
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443 success, status = _imergeauto(localorother='local', *args, **kwargs) |
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444 return success, status, False |
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445 |
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446 @internaltool('merge-other', mergeonly, precheck=_mergecheck) |
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447 def _imergeother(*args, **kwargs): |
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448 """ |
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449 Like :merge, but resolve all conflicts non-interactively in favor |
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450 of the other `p2()` changes.""" |
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451 success, status = _imergeauto(localorother='other', *args, **kwargs) |
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452 return success, status, False |
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453 |
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454 @internaltool('tagmerge', mergeonly, |
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455 _("automatic tag merging of %s failed! " |
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456 "(use 'hg resolve --tool :merge' or another merge " |
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457 "tool of your choice)\n")) |
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458 def _itagmerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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459 """ |
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460 Uses the internal tag merge algorithm (experimental). |
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461 """ |
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462 success, status = tagmerge.merge(repo, fcd, fco, fca) |
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463 return success, status, False |
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464 |
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465 @internaltool('dump', fullmerge) |
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466 def _idump(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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467 """ |
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468 Creates three versions of the files to merge, containing the |
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469 contents of local, other and base. These files can then be used to |
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470 perform a merge manually. If the file to be merged is named |
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471 ``a.txt``, these files will accordingly be named ``a.txt.local``, |
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472 ``a.txt.other`` and ``a.txt.base`` and they will be placed in the |
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473 same directory as ``a.txt``. |
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474 |
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475 This implies premerge. Therefore, files aren't dumped, if premerge |
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476 runs successfully. Use :forcedump to forcibly write files out. |
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477 """ |
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478 a = _workingpath(repo, fcd) |
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479 fd = fcd.path() |
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480 |
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481 from . import context |
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482 if isinstance(fcd, context.overlayworkingfilectx): |
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483 raise error.InMemoryMergeConflictsError('in-memory merge does not ' |
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484 'support the :dump tool.') |
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485 |
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486 util.writefile(a + ".local", fcd.decodeddata()) |
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487 repo.wwrite(fd + ".other", fco.data(), fco.flags()) |
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488 repo.wwrite(fd + ".base", fca.data(), fca.flags()) |
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489 return False, 1, False |
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490 |
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491 @internaltool('forcedump', mergeonly) |
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492 def _forcedump(repo, mynode, orig, fcd, fco, fca, toolconf, files, |
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493 labels=None): |
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494 """ |
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495 Creates three versions of the files as same as :dump, but omits premerge. |
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496 """ |
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497 return _idump(repo, mynode, orig, fcd, fco, fca, toolconf, files, |
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498 labels=labels) |
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499 |
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500 def _xmergeimm(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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501 # In-memory merge simply raises an exception on all external merge tools, |
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502 # for now. |
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503 # |
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504 # It would be possible to run most tools with temporary files, but this |
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505 # raises the question of what to do if the user only partially resolves the |
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506 # file -- we can't leave a merge state. (Copy to somewhere in the .hg/ |
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507 # directory and tell the user how to get it is my best idea, but it's |
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508 # clunky.) |
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509 raise error.InMemoryMergeConflictsError('in-memory merge does not support ' |
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510 'external merge tools') |
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511 |
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512 def _xmerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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513 tool, toolpath, binary, symlink = toolconf |
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514 if fcd.isabsent() or fco.isabsent(): |
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515 repo.ui.warn(_('warning: %s cannot merge change/delete conflict ' |
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516 'for %s\n') % (tool, fcd.path())) |
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517 return False, 1, None |
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518 unused, unused, unused, back = files |
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519 localpath = _workingpath(repo, fcd) |
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520 args = _toolstr(repo.ui, tool, "args") |
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521 |
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522 with _maketempfiles(repo, fco, fca, repo.wvfs.join(back.path()), |
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523 "$output" in args) as temppaths: |
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524 basepath, otherpath, localoutputpath = temppaths |
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525 outpath = "" |
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526 mylabel, otherlabel = labels[:2] |
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527 if len(labels) >= 3: |
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528 baselabel = labels[2] |
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529 else: |
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530 baselabel = 'base' |
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531 env = {'HG_FILE': fcd.path(), |
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532 'HG_MY_NODE': short(mynode), |
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533 'HG_OTHER_NODE': short(fco.changectx().node()), |
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534 'HG_BASE_NODE': short(fca.changectx().node()), |
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535 'HG_MY_ISLINK': 'l' in fcd.flags(), |
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536 'HG_OTHER_ISLINK': 'l' in fco.flags(), |
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537 'HG_BASE_ISLINK': 'l' in fca.flags(), |
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538 'HG_MY_LABEL': mylabel, |
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539 'HG_OTHER_LABEL': otherlabel, |
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540 'HG_BASE_LABEL': baselabel, |
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541 } |
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542 ui = repo.ui |
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|
543 |
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544 if "$output" in args: |
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changeset
|
545 # read input from backup, write to original |
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|
546 outpath = localpath |
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547 localpath = localoutputpath |
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|
548 replace = {'local': localpath, 'base': basepath, 'other': otherpath, |
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549 'output': outpath, 'labellocal': mylabel, |
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550 'labelother': otherlabel, 'labelbase': baselabel} |
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551 args = util.interpolate( |
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552 br'\$', replace, args, |
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553 lambda s: procutil.shellquote(util.localpath(s))) |
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554 cmd = toolpath + ' ' + args |
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555 if _toolbool(ui, tool, "gui"): |
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556 repo.ui.status(_('running merge tool %s for file %s\n') % |
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557 (tool, fcd.path())) |
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558 repo.ui.debug('launching merge tool: %s\n' % cmd) |
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559 r = ui.system(cmd, cwd=repo.root, environ=env, blockedtag='mergetool') |
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560 repo.ui.debug('merge tool returned: %d\n' % r) |
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561 return True, r, False |
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562 |
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563 def _formatconflictmarker(ctx, template, label, pad): |
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564 """Applies the given template to the ctx, prefixed by the label. |
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565 |
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566 Pad is the minimum width of the label prefix, so that multiple markers |
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567 can have aligned templated parts. |
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568 """ |
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569 if ctx.node() is None: |
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570 ctx = ctx.p1() |
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571 |
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572 props = {'ctx': ctx} |
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573 templateresult = template.renderdefault(props) |
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574 |
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575 label = ('%s:' % label).ljust(pad + 1) |
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576 mark = '%s %s' % (label, templateresult) |
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577 |
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578 if mark: |
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579 mark = mark.splitlines()[0] # split for safety |
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580 |
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581 # 8 for the prefix of conflict marker lines (e.g. '<<<<<<< ') |
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582 return stringutil.ellipsis(mark, 80 - 8) |
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583 |
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584 _defaultconflictlabels = ['local', 'other'] |
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585 |
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586 def _formatlabels(repo, fcd, fco, fca, labels, tool=None): |
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587 """Formats the given labels using the conflict marker template. |
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588 |
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589 Returns a list of formatted labels. |
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590 """ |
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591 cd = fcd.changectx() |
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592 co = fco.changectx() |
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593 ca = fca.changectx() |
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594 |
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595 ui = repo.ui |
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596 template = ui.config('ui', 'mergemarkertemplate') |
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597 if tool is not None: |
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598 template = _toolstr(ui, tool, 'mergemarkertemplate', template) |
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599 template = templater.unquotestring(template) |
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600 tres = formatter.templateresources(ui, repo) |
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601 tmpl = formatter.maketemplater(ui, template, defaults=templatekw.keywords, |
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602 resources=tres) |
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603 |
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604 pad = max(len(l) for l in labels) |
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605 |
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606 newlabels = [_formatconflictmarker(cd, tmpl, labels[0], pad), |
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607 _formatconflictmarker(co, tmpl, labels[1], pad)] |
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608 if len(labels) > 2: |
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609 newlabels.append(_formatconflictmarker(ca, tmpl, labels[2], pad)) |
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610 return newlabels |
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611 |
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612 def partextras(labels): |
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613 """Return a dictionary of extra labels for use in prompts to the user |
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614 |
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615 Intended use is in strings of the form "(l)ocal%(l)s". |
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616 """ |
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617 if labels is None: |
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618 return { |
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619 "l": "", |
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620 "o": "", |
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621 } |
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622 |
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623 return { |
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624 "l": " [%s]" % labels[0], |
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625 "o": " [%s]" % labels[1], |
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626 } |
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627 |
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628 def _restorebackup(fcd, back): |
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629 # TODO: Add a workingfilectx.write(otherfilectx) path so we can use |
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630 # util.copy here instead. |
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631 fcd.write(back.data(), fcd.flags()) |
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632 |
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633 def _makebackup(repo, ui, wctx, fcd, premerge): |
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634 """Makes and returns a filectx-like object for ``fcd``'s backup file. |
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635 |
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636 In addition to preserving the user's pre-existing modifications to `fcd` |
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637 (if any), the backup is used to undo certain premerges, confirm whether a |
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638 merge changed anything, and determine what line endings the new file should |
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639 have. |
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640 |
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641 Backups only need to be written once (right before the premerge) since their |
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642 content doesn't change afterwards. |
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643 """ |
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644 if fcd.isabsent(): |
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645 return None |
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646 # TODO: Break this import cycle somehow. (filectx -> ctx -> fileset -> |
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647 # merge -> filemerge). (I suspect the fileset import is the weakest link) |
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648 from . import context |
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649 a = _workingpath(repo, fcd) |
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650 back = scmutil.origpath(ui, repo, a) |
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651 inworkingdir = (back.startswith(repo.wvfs.base) and not |
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652 back.startswith(repo.vfs.base)) |
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653 if isinstance(fcd, context.overlayworkingfilectx) and inworkingdir: |
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654 # If the backup file is to be in the working directory, and we're |
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655 # merging in-memory, we must redirect the backup to the memory context |
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656 # so we don't disturb the working directory. |
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657 relpath = back[len(repo.wvfs.base) + 1:] |
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658 if premerge: |
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659 wctx[relpath].write(fcd.data(), fcd.flags()) |
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660 return wctx[relpath] |
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661 else: |
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662 if premerge: |
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663 # Otherwise, write to wherever path the user specified the backups |
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664 # should go. We still need to switch based on whether the source is |
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665 # in-memory so we can use the fast path of ``util.copy`` if both are |
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666 # on disk. |
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667 if isinstance(fcd, context.overlayworkingfilectx): |
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668 util.writefile(back, fcd.data()) |
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669 else: |
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670 util.copyfile(a, back) |
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671 # A arbitraryfilectx is returned, so we can run the same functions on |
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672 # the backup context regardless of where it lives. |
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673 return context.arbitraryfilectx(back, repo=repo) |
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674 |
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675 @contextlib.contextmanager |
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676 def _maketempfiles(repo, fco, fca, localpath, uselocalpath): |
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677 """Writes out `fco` and `fca` as temporary files, and (if uselocalpath) |
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678 copies `localpath` to another temporary file, so an external merge tool may |
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679 use them. |
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680 """ |
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681 tmproot = None |
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682 tmprootprefix = repo.ui.config('experimental', 'mergetempdirprefix') |
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683 if tmprootprefix: |
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684 tmproot = tempfile.mkdtemp(prefix=tmprootprefix) |
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685 |
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686 def maketempfrompath(prefix, path): |
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687 fullbase, ext = os.path.splitext(path) |
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688 pre = "%s~%s" % (os.path.basename(fullbase), prefix) |
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689 if tmproot: |
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690 name = os.path.join(tmproot, pre) |
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691 if ext: |
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692 name += ext |
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693 f = open(name, r"wb") |
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694 else: |
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695 fd, name = tempfile.mkstemp(prefix=pre + '.', suffix=ext) |
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696 f = os.fdopen(fd, r"wb") |
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697 return f, name |
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698 |
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699 def tempfromcontext(prefix, ctx): |
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700 f, name = maketempfrompath(prefix, ctx.path()) |
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701 data = repo.wwritedata(ctx.path(), ctx.data()) |
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702 f.write(data) |
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703 f.close() |
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704 return name |
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705 |
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706 b = tempfromcontext("base", fca) |
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707 c = tempfromcontext("other", fco) |
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708 d = localpath |
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709 if uselocalpath: |
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710 # We start off with this being the backup filename, so remove the .orig |
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711 # to make syntax-highlighting more likely. |
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|
712 if d.endswith('.orig'): |
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713 d, _ = os.path.splitext(d) |
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714 f, d = maketempfrompath("local", d) |
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715 with open(localpath, 'rb') as src: |
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716 f.write(src.read()) |
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717 f.close() |
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718 |
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719 try: |
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720 yield b, c, d |
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|
721 finally: |
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722 if tmproot: |
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|
723 shutil.rmtree(tmproot) |
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724 else: |
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725 util.unlink(b) |
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726 util.unlink(c) |
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|
727 # if not uselocalpath, d is the 'orig'/backup file which we |
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728 # shouldn't delete. |
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729 if d and uselocalpath: |
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|
730 util.unlink(d) |
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|
731 |
34122
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merge: pass wctx to premerge, filemerge
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diff
changeset
|
732 def _filemerge(premerge, repo, wctx, mynode, orig, fcd, fco, fca, labels=None): |
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733 """perform a 3-way merge in the working directory |
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diff
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|
734 |
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diff
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|
735 premerge = whether this is a premerge |
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merge: introduce mergestate
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|
736 mynode = parent node before merge |
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|
737 orig = original local filename before merge |
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738 fco = other file context |
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739 fca = ancestor file context |
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740 fcd = local file context for current/destination file |
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|
741 |
27034
86ede9eda252
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742 Returns whether the merge is complete, the return value of the merge, and |
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743 a boolean indicating whether the file was deleted from disk.""" |
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744 |
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745 if not fco.cmp(fcd): # files identical? |
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746 return True, None, False |
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747 |
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748 ui = repo.ui |
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749 fd = fcd.path() |
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750 binary = fcd.isbinary() or fco.isbinary() or fca.isbinary() |
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751 symlink = 'l' in fcd.flags() + fco.flags() |
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diff
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|
752 changedelete = fcd.isabsent() or fco.isabsent() |
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|
753 tool, toolpath = _picktool(repo, ui, fd, binary, symlink, changedelete) |
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754 if tool in internals and tool.startswith('internal:'): |
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755 # normalize to new-style names (':merge' etc) |
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|
756 tool = tool[len('internal'):] |
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27124
diff
changeset
|
757 ui.debug("picked tool '%s' for %s (binary %s symlink %s changedelete %s)\n" |
32753
264b86cf2092
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parents:
32317
diff
changeset
|
758 % (tool, fd, pycompat.bytestr(binary), pycompat.bytestr(symlink), |
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|
759 pycompat.bytestr(changedelete))) |
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760 |
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|
761 if tool in internals: |
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|
762 func = internals[tool] |
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763 mergetype = func.mergetype |
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|
764 onfailure = func.onfailure |
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|
765 precheck = func.precheck |
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changeset
|
766 isexternal = False |
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changeset
|
767 else: |
35463
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diff
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|
768 if wctx.isinmemory(): |
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|
769 func = _xmergeimm |
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|
770 else: |
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|
771 func = _xmerge |
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|
772 mergetype = fullmerge |
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changeset
|
773 onfailure = _("merging %s failed!\n") |
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|
774 precheck = None |
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|
775 isexternal = True |
26512
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diff
changeset
|
776 |
26608
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changeset
|
777 toolconf = tool, toolpath, binary, symlink |
6003
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filemerge: pull file-merging code into its own module
Matt Mackall <mpm@selenic.com>
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diff
changeset
|
778 |
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diff
changeset
|
779 if mergetype == nomerge: |
29774
a7f8939641aa
merge: use labels in prompts to the user
Simon Farnsworth <simonfar@fb.com>
parents:
29660
diff
changeset
|
780 r, deleted = func(repo, mynode, orig, fcd, fco, fca, toolconf, labels) |
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|
781 return True, r, deleted |
26512
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diff
changeset
|
782 |
26609
47681e77e484
filemerge: only print out "merging f" output at premerge step
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diff
changeset
|
783 if premerge: |
47681e77e484
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|
784 if orig != fco.path(): |
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|
785 ui.status(_("merging %s and %s to %s\n") % (orig, fco.path(), fd)) |
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|
786 else: |
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|
787 ui.status(_("merging %s\n") % fd) |
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|
788 |
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|
789 ui.debug("my %s other %s ancestor %s\n" % (fcd, fco, fca)) |
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|
790 |
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|
791 if precheck and not precheck(repo, mynode, orig, fcd, fco, fca, |
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|
792 toolconf): |
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|
793 if onfailure: |
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|
794 if wctx.isinmemory(): |
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|
795 raise error.InMemoryMergeConflictsError('in-memory merge does ' |
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|
796 'not support merge ' |
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|
797 'conflicts') |
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|
798 ui.warn(onfailure % fd) |
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|
799 return True, 1, False |
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|
800 |
34782
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|
801 back = _makebackup(repo, ui, wctx, fcd, premerge) |
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|
802 files = (None, None, None, back) |
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|
803 r = 1 |
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|
804 try: |
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805 internalmarkerstyle = ui.config('ui', 'mergemarkers') |
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|
806 if isexternal: |
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|
807 markerstyle = _toolstr(ui, tool, 'mergemarkers') |
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808 else: |
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|
809 markerstyle = internalmarkerstyle |
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|
810 |
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|
811 if not labels: |
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812 labels = _defaultconflictlabels |
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813 formattedlabels = labels |
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814 if markerstyle != 'basic': |
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815 formattedlabels = _formatlabels(repo, fcd, fco, fca, labels, |
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|
816 tool=tool) |
6004
5af5f0f9d724
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Matt Mackall <mpm@selenic.com>
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|
817 |
26607
45a6233d5f50
filemerge: introduce a premerge flag and function
Siddharth Agarwal <sid0@fb.com>
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diff
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|
818 if premerge and mergetype == fullmerge: |
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|
819 # conflict markers generated by premerge will use 'detailed' |
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|
820 # settings if either ui.mergemarkers or the tool's mergemarkers |
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|
821 # setting is 'detailed'. This way tools can have basic labels in |
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|
822 # space-constrained areas of the UI, but still get full information |
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|
823 # in conflict markers if premerge is 'keep' or 'keep-merge3'. |
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|
824 premergelabels = labels |
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|
825 labeltool = None |
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|
826 if markerstyle != 'basic': |
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|
827 # respect 'tool's mergemarkertemplate (which defaults to |
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|
828 # ui.mergemarkertemplate) |
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|
829 labeltool = tool |
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|
830 if internalmarkerstyle != 'basic' or markerstyle != 'basic': |
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|
831 premergelabels = _formatlabels(repo, fcd, fco, fca, |
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|
832 premergelabels, tool=labeltool) |
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|
833 |
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|
834 r = _premerge(repo, fcd, fco, fca, toolconf, files, |
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|
835 labels=premergelabels) |
26611
a5ff66e6d77a
filemerge: break overall filemerge into separate premerge and merge steps
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parents:
26610
diff
changeset
|
836 # complete if premerge successful (r is 0) |
27034
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diff
changeset
|
837 return not r, r, False |
26567
f18646cf0e93
filemerge: call premerge directly from main merge function
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diff
changeset
|
838 |
27033
089dab8794dc
filemerge: return whether the file is deleted from all other merge tools
Siddharth Agarwal <sid0@fb.com>
parents:
27032
diff
changeset
|
839 needcheck, r, deleted = func(repo, mynode, orig, fcd, fco, fca, |
35907
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|
840 toolconf, files, labels=formattedlabels) |
27033
089dab8794dc
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diff
changeset
|
841 |
26575
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diff
changeset
|
842 if needcheck: |
34034
7558917f291e
filemerge: add `_workingpath`
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diff
changeset
|
843 r = _check(repo, r, ui, tool, fcd, files) |
21519
25d5a9ecbb85
merge: add conflict marker formatter (BC)
Durham Goode <durham@fb.com>
parents:
21273
diff
changeset
|
844 |
16125
83925d3a4559
filemerge: refactoring of 'filemerge()'
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parents:
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diff
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|
845 if r: |
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|
846 if onfailure: |
35282
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changeset
|
847 if wctx.isinmemory(): |
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|
848 raise error.InMemoryMergeConflictsError('in-memory merge ' |
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changeset
|
849 'does not support ' |
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|
850 'merge conflicts') |
16125
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filemerge: refactoring of 'filemerge()'
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diff
changeset
|
851 ui.warn(onfailure % fd) |
34797
284fa44f7f39
merge: allow user to halt merge on merge-tool failures
Ryan McElroy <rmcelroy@fb.com>
parents:
34796
diff
changeset
|
852 _onfilemergefailure(ui) |
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|
853 |
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|
854 return True, r, deleted |
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changeset
|
855 finally: |
27047
e1458049dca5
filemerge: don't try to copy files known to be absent
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parents:
27042
diff
changeset
|
856 if not r and back is not None: |
34782
f21eecc64ace
filemerge: use arbitraryfilectx for backups
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diff
changeset
|
857 back.remove() |
6004
5af5f0f9d724
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diff
changeset
|
858 |
34796
ed91846c29cf
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diff
changeset
|
859 def _haltmerge(): |
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|
860 msg = _('merge halted after failed merge (see hg resolve)') |
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|
861 raise error.InterventionRequired(msg) |
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diff
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|
862 |
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|
863 def _onfilemergefailure(ui): |
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|
864 action = ui.config('merge', 'on-failure') |
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|
865 if action == 'prompt': |
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|
866 msg = _('continue merge operation (yn)?' '$$ &Yes $$ &No') |
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|
867 if ui.promptchoice(msg, 0) == 1: |
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|
868 _haltmerge() |
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|
869 if action == 'halt': |
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|
870 _haltmerge() |
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|
871 # default action is 'continue', in which case we neither prompt nor halt |
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|
872 |
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|
873 def _check(repo, r, ui, tool, fcd, files): |
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|
874 fd = fcd.path() |
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|
875 unused, unused, unused, back = files |
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|
876 |
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|
877 if not r and (_toolbool(ui, tool, "checkconflicts") or |
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|
878 'conflicts' in _toollist(ui, tool, "check")): |
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|
879 if re.search("^(<<<<<<< .*|=======|>>>>>>> .*)$", fcd.data(), |
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|
880 re.MULTILINE): |
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|
881 r = 1 |
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|
882 |
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|
883 checked = False |
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|
884 if 'prompt' in _toollist(ui, tool, "check"): |
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|
885 checked = True |
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|
886 if ui.promptchoice(_("was merge of '%s' successful (yn)?" |
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887 "$$ &Yes $$ &No") % fd, 1): |
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888 r = 1 |
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889 |
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890 if not r and not checked and (_toolbool(ui, tool, "checkchanged") or |
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891 'changed' in |
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892 _toollist(ui, tool, "check")): |
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893 if back is not None and not fcd.cmp(back): |
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894 if ui.promptchoice(_(" output file %s appears unchanged\n" |
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895 "was merge successful (yn)?" |
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896 "$$ &Yes $$ &No") % fd, 1): |
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897 r = 1 |
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898 |
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899 if back is not None and _toolbool(ui, tool, "fixeol"): |
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900 _matcheol(_workingpath(repo, fcd), back) |
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901 |
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902 return r |
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903 |
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904 def _workingpath(repo, ctx): |
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905 return repo.wjoin(ctx.path()) |
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906 |
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907 def premerge(repo, wctx, mynode, orig, fcd, fco, fca, labels=None): |
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908 return _filemerge(True, repo, wctx, mynode, orig, fcd, fco, fca, |
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909 labels=labels) |
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910 |
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911 def filemerge(repo, wctx, mynode, orig, fcd, fco, fca, labels=None): |
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912 return _filemerge(False, repo, wctx, mynode, orig, fcd, fco, fca, |
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913 labels=labels) |
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914 |
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915 def loadinternalmerge(ui, extname, registrarobj): |
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916 """Load internal merge tool from specified registrarobj |
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917 """ |
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918 for name, func in registrarobj._table.iteritems(): |
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919 fullname = ':' + name |
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920 internals[fullname] = func |
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921 internals['internal:' + name] = func |
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922 internalsdoc[fullname] = func |
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923 |
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924 # load built-in merge tools explicitly to setup internalsdoc |
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925 loadinternalmerge(None, None, internaltool) |
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926 |
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927 # tell hggettext to extract docstrings from these functions: |
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928 i18nfunctions = internals.values() |