Mercurial > hg
annotate mercurial/filemerge.py @ 45830:c102b704edb5
global: use python3 in shebangs
Python 3 is the future. We want Python scripts to be using Python 3
by default.
This change updates all `#!/usr/bin/env python` shebangs to use
`python3`.
Does this mean all scripts use or require Python 3: no.
In the test environment, the `PATH` environment variable in tests is
updated to guarantee that the Python executable used to run
run-tests.py is used. Since test scripts all now use
`#!/usr/bin/env python3`, we had to update this code to install
a `python3` symlink instead of `python`.
It is possible there are some random scripts now executed with the
incorrect Python interpreter in some contexts. However, I would argue
that this was a pre-existing bug: we should almost always be executing
new Python processes using the `sys.executable` from the originating
Python script, as `python` or `python3` won't guarantee we'll use the
same interpreter.
Differential Revision: https://phab.mercurial-scm.org/D9273
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Fri, 06 Nov 2020 13:58:59 -0800 |
parents | 5effb1992c17 |
children | 89a2afe31e82 |
rev | line source |
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1 # filemerge.py - file-level merge handling for Mercurial |
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2 # |
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3 # Copyright 2006, 2007, 2008 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import 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 |
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15 from .i18n import _ |
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16 from .node import ( |
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17 hex, |
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18 nullid, |
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19 short, |
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20 ) |
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21 from .pycompat import ( |
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22 getattr, |
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23 open, |
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24 ) |
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25 |
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26 from . import ( |
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27 encoding, |
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28 error, |
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29 formatter, |
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30 match, |
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31 pycompat, |
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32 registrar, |
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33 scmutil, |
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34 simplemerge, |
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35 tagmerge, |
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36 templatekw, |
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37 templater, |
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38 templateutil, |
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39 util, |
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40 ) |
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41 |
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42 from .utils import ( |
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43 procutil, |
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44 stringutil, |
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45 ) |
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46 |
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47 |
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48 def _toolstr(ui, tool, part, *args): |
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49 return ui.config(b"merge-tools", tool + b"." + part, *args) |
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50 |
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51 |
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52 def _toolbool(ui, tool, part, *args): |
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53 return ui.configbool(b"merge-tools", tool + b"." + part, *args) |
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54 |
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55 |
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56 def _toollist(ui, tool, part): |
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57 return ui.configlist(b"merge-tools", tool + b"." + part) |
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58 |
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59 |
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60 internals = {} |
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61 # Merge tools to document. |
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62 internalsdoc = {} |
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63 |
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64 internaltool = registrar.internalmerge() |
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65 |
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66 # internal tool merge types |
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67 nomerge = internaltool.nomerge |
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68 mergeonly = internaltool.mergeonly # just the full merge, no premerge |
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69 fullmerge = internaltool.fullmerge # both premerge and merge |
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70 |
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71 # IMPORTANT: keep the last line of this prompt very short ("What do you want to |
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72 # do?") because of issue6158, ideally to <40 English characters (to allow other |
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73 # languages that may take more columns to still have a chance to fit in an |
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74 # 80-column screen). |
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75 _localchangedotherdeletedmsg = _( |
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76 b"file '%(fd)s' was deleted in other%(o)s but was modified in local%(l)s.\n" |
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77 b"You can use (c)hanged version, (d)elete, or leave (u)nresolved.\n" |
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78 b"What do you want to do?" |
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79 b"$$ &Changed $$ &Delete $$ &Unresolved" |
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80 ) |
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81 |
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82 _otherchangedlocaldeletedmsg = _( |
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84 b"You can use (c)hanged version, leave (d)eleted, or leave (u)nresolved.\n" |
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85 b"What do you want to do?" |
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86 b"$$ &Changed $$ &Deleted $$ &Unresolved" |
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87 ) |
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88 |
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89 |
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90 class absentfilectx(object): |
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91 """Represents a file that's ostensibly in a context but is actually not |
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92 present in it. |
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93 |
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94 This is here because it's very specific to the filemerge code for now -- |
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95 other code is likely going to break with the values this returns.""" |
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96 |
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97 def __init__(self, ctx, f): |
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98 self._ctx = ctx |
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99 self._f = f |
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100 |
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101 def __bytes__(self): |
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102 return b'absent file %s@%s' % (self._f, self._ctx) |
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103 |
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104 def path(self): |
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105 return self._f |
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106 |
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107 def size(self): |
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108 return None |
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109 |
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110 def data(self): |
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111 return None |
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112 |
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113 def filenode(self): |
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114 return nullid |
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115 |
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116 _customcmp = True |
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117 |
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118 def cmp(self, fctx): |
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119 """compare with other file context |
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120 |
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121 returns True if different from fctx. |
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122 """ |
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123 return not ( |
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124 fctx.isabsent() |
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125 and fctx.changectx() == self.changectx() |
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126 and fctx.path() == self.path() |
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127 ) |
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128 |
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129 def flags(self): |
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130 return b'' |
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131 |
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132 def changectx(self): |
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133 return self._ctx |
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134 |
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135 def isbinary(self): |
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136 return False |
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137 |
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138 def isabsent(self): |
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139 return True |
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140 |
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141 |
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142 def _findtool(ui, tool): |
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143 if tool in internals: |
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144 return tool |
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145 cmd = _toolstr(ui, tool, b"executable", tool) |
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146 if cmd.startswith(b'python:'): |
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147 return cmd |
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148 return findexternaltool(ui, tool) |
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149 |
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150 |
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151 def _quotetoolpath(cmd): |
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152 if cmd.startswith(b'python:'): |
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153 return cmd |
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154 return procutil.shellquote(cmd) |
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155 |
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156 |
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157 def findexternaltool(ui, tool): |
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158 for kn in (b"regkey", b"regkeyalt"): |
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159 k = _toolstr(ui, tool, kn) |
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160 if not k: |
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161 continue |
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162 p = util.lookupreg(k, _toolstr(ui, tool, b"regname")) |
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163 if p: |
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164 p = procutil.findexe(p + _toolstr(ui, tool, b"regappend", b"")) |
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165 if p: |
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166 return p |
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167 exe = _toolstr(ui, tool, b"executable", tool) |
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168 return procutil.findexe(util.expandpath(exe)) |
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169 |
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170 |
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171 def _picktool(repo, ui, path, binary, symlink, changedelete): |
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172 strictcheck = ui.configbool(b'merge', b'strict-capability-check') |
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173 |
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174 def hascapability(tool, capability, strict=False): |
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175 if tool in internals: |
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176 return strict and internals[tool].capabilities.get(capability) |
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177 return _toolbool(ui, tool, capability) |
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178 |
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179 def supportscd(tool): |
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180 return tool in internals and internals[tool].mergetype == nomerge |
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181 |
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182 def check(tool, pat, symlink, binary, changedelete): |
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183 tmsg = tool |
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184 if pat: |
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185 tmsg = _(b"%s (for pattern %s)") % (tool, pat) |
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186 if not _findtool(ui, tool): |
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187 if pat: # explicitly requested tool deserves a warning |
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188 ui.warn(_(b"couldn't find merge tool %s\n") % tmsg) |
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189 else: # configured but non-existing tools are more silent |
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190 ui.note(_(b"couldn't find merge tool %s\n") % tmsg) |
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191 elif symlink and not hascapability(tool, b"symlink", strictcheck): |
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192 ui.warn(_(b"tool %s can't handle symlinks\n") % tmsg) |
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193 elif binary and not hascapability(tool, b"binary", strictcheck): |
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194 ui.warn(_(b"tool %s can't handle binary\n") % tmsg) |
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195 elif changedelete and not supportscd(tool): |
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196 # the nomerge tools are the only tools that support change/delete |
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197 # conflicts |
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198 pass |
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199 elif not procutil.gui() and _toolbool(ui, tool, b"gui"): |
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200 ui.warn(_(b"tool %s requires a GUI\n") % tmsg) |
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201 else: |
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202 return True |
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203 return False |
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204 |
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205 # internal config: ui.forcemerge |
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206 # forcemerge comes from command line arguments, highest priority |
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207 force = ui.config(b'ui', b'forcemerge') |
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208 if force: |
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209 toolpath = _findtool(ui, force) |
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210 if changedelete and not supportscd(toolpath): |
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211 return b":prompt", None |
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212 else: |
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213 if toolpath: |
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214 return (force, _quotetoolpath(toolpath)) |
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215 else: |
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216 # mimic HGMERGE if given tool not found |
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217 return (force, force) |
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218 |
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219 # HGMERGE takes next precedence |
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220 hgmerge = encoding.environ.get(b"HGMERGE") |
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221 if hgmerge: |
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222 if changedelete and not supportscd(hgmerge): |
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223 return b":prompt", None |
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224 else: |
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225 return (hgmerge, hgmerge) |
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226 |
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227 # then patterns |
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228 |
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229 # whether binary capability should be checked strictly |
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230 binarycap = binary and strictcheck |
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231 |
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232 for pat, tool in ui.configitems(b"merge-patterns"): |
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233 mf = match.match(repo.root, b'', [pat]) |
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234 if mf(path) and check(tool, pat, symlink, binarycap, changedelete): |
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235 if binary and not hascapability(tool, b"binary", strict=True): |
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236 ui.warn( |
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237 _( |
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238 b"warning: check merge-patterns configurations," |
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239 b" if %r for binary file %r is unintentional\n" |
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240 b"(see 'hg help merge-tools'" |
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241 b" for binary files capability)\n" |
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242 ) |
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243 % (pycompat.bytestr(tool), pycompat.bytestr(path)) |
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244 ) |
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245 toolpath = _findtool(ui, tool) |
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246 return (tool, _quotetoolpath(toolpath)) |
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247 |
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248 # then merge tools |
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249 tools = {} |
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250 disabled = set() |
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251 for k, v in ui.configitems(b"merge-tools"): |
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252 t = k.split(b'.')[0] |
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253 if t not in tools: |
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254 tools[t] = int(_toolstr(ui, t, b"priority")) |
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255 if _toolbool(ui, t, b"disabled"): |
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256 disabled.add(t) |
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257 names = tools.keys() |
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258 tools = sorted( |
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259 [(-p, tool) for tool, p in tools.items() if tool not in disabled] |
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260 ) |
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261 uimerge = ui.config(b"ui", b"merge") |
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262 if uimerge: |
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263 # external tools defined in uimerge won't be able to handle |
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264 # change/delete conflicts |
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265 if check(uimerge, path, symlink, binary, changedelete): |
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266 if uimerge not in names and not changedelete: |
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267 return (uimerge, uimerge) |
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268 tools.insert(0, (None, uimerge)) # highest priority |
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269 tools.append((None, b"hgmerge")) # the old default, if found |
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270 for p, t in tools: |
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271 if check(t, None, symlink, binary, changedelete): |
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272 toolpath = _findtool(ui, t) |
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273 return (t, _quotetoolpath(toolpath)) |
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274 |
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275 # internal merge or prompt as last resort |
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276 if symlink or binary or changedelete: |
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277 if not changedelete and len(tools): |
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278 # any tool is rejected by capability for symlink or binary |
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279 ui.warn(_(b"no tool found to merge %s\n") % path) |
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280 return b":prompt", None |
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281 return b":merge", None |
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282 |
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283 |
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284 def _eoltype(data): |
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285 """Guess the EOL type of a file""" |
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286 if b'\0' in data: # binary |
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287 return None |
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288 if b'\r\n' in data: # Windows |
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289 return b'\r\n' |
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290 if b'\r' in data: # Old Mac |
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291 return b'\r' |
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292 if b'\n' in data: # UNIX |
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293 return b'\n' |
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294 return None # unknown |
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295 |
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296 |
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297 def _matcheol(file, back): |
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298 """Convert EOL markers in a file to match origfile""" |
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299 tostyle = _eoltype(back.data()) # No repo.wread filters? |
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300 if tostyle: |
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301 data = util.readfile(file) |
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302 style = _eoltype(data) |
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303 if style: |
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304 newdata = data.replace(style, tostyle) |
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305 if newdata != data: |
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306 util.writefile(file, newdata) |
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307 |
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308 |
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309 @internaltool(b'prompt', nomerge) |
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310 def _iprompt(repo, mynode, orig, fcd, fco, fca, toolconf, labels=None): |
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311 """Asks the user which of the local `p1()` or the other `p2()` version to |
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312 keep as the merged version.""" |
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313 ui = repo.ui |
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314 fd = fcd.path() |
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315 uipathfn = scmutil.getuipathfn(repo) |
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316 |
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317 # Avoid prompting during an in-memory merge since it doesn't support merge |
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318 # conflicts. |
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319 if fcd.changectx().isinmemory(): |
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320 raise error.InMemoryMergeConflictsError( |
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321 b'in-memory merge does not support file conflicts' |
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322 ) |
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323 |
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324 prompts = partextras(labels) |
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325 prompts[b'fd'] = uipathfn(fd) |
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326 try: |
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327 if fco.isabsent(): |
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328 index = ui.promptchoice(_localchangedotherdeletedmsg % prompts, 2) |
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329 choice = [b'local', b'other', b'unresolved'][index] |
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330 elif fcd.isabsent(): |
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331 index = ui.promptchoice(_otherchangedlocaldeletedmsg % prompts, 2) |
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332 choice = [b'other', b'local', b'unresolved'][index] |
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333 else: |
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334 # IMPORTANT: keep the last line of this prompt ("What do you want to |
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335 # do?") very short, see comment next to _localchangedotherdeletedmsg |
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336 # at the top of the file for details. |
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337 index = ui.promptchoice( |
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338 _( |
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339 b"file '%(fd)s' needs to be resolved.\n" |
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340 b"You can keep (l)ocal%(l)s, take (o)ther%(o)s, or leave " |
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341 b"(u)nresolved.\n" |
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342 b"What do you want to do?" |
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343 b"$$ &Local $$ &Other $$ &Unresolved" |
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344 ) |
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345 % prompts, |
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346 2, |
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347 ) |
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348 choice = [b'local', b'other', b'unresolved'][index] |
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349 |
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350 if choice == b'other': |
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351 return _iother(repo, mynode, orig, fcd, fco, fca, toolconf, labels) |
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352 elif choice == b'local': |
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353 return _ilocal(repo, mynode, orig, fcd, fco, fca, toolconf, labels) |
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354 elif choice == b'unresolved': |
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355 return _ifail(repo, mynode, orig, fcd, fco, fca, toolconf, labels) |
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356 except error.ResponseExpected: |
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357 ui.write(b"\n") |
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358 return _ifail(repo, mynode, orig, fcd, fco, fca, toolconf, labels) |
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359 |
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360 |
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361 @internaltool(b'local', nomerge) |
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362 def _ilocal(repo, mynode, orig, fcd, fco, fca, toolconf, labels=None): |
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363 """Uses the local `p1()` version of files as the merged version.""" |
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364 return 0, fcd.isabsent() |
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365 |
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366 |
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367 @internaltool(b'other', nomerge) |
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368 def _iother(repo, mynode, orig, fcd, fco, fca, toolconf, labels=None): |
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369 """Uses the other `p2()` version of files as the merged version.""" |
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370 if fco.isabsent(): |
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371 # local changed, remote deleted -- 'deleted' picked |
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372 _underlyingfctxifabsent(fcd).remove() |
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373 deleted = True |
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374 else: |
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375 _underlyingfctxifabsent(fcd).write(fco.data(), fco.flags()) |
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376 deleted = False |
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377 return 0, deleted |
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378 |
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379 |
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380 @internaltool(b'fail', nomerge) |
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381 def _ifail(repo, mynode, orig, fcd, fco, fca, toolconf, labels=None): |
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382 """ |
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383 Rather than attempting to merge files that were modified on both |
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384 branches, it marks them as unresolved. The resolve command must be |
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385 used to resolve these conflicts.""" |
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386 # for change/delete conflicts write out the changed version, then fail |
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387 if fcd.isabsent(): |
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388 _underlyingfctxifabsent(fcd).write(fco.data(), fco.flags()) |
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389 return 1, False |
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390 |
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391 |
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392 def _underlyingfctxifabsent(filectx): |
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393 """Sometimes when resolving, our fcd is actually an absentfilectx, but |
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394 we want to write to it (to do the resolve). This helper returns the |
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395 underyling workingfilectx in that case. |
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396 """ |
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397 if filectx.isabsent(): |
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398 return filectx.changectx()[filectx.path()] |
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399 else: |
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400 return filectx |
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401 |
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402 |
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403 def _premerge(repo, fcd, fco, fca, toolconf, files, labels=None): |
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404 tool, toolpath, binary, symlink, scriptfn = toolconf |
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405 if symlink or fcd.isabsent() or fco.isabsent(): |
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406 return 1 |
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407 unused, unused, unused, back = files |
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408 |
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409 ui = repo.ui |
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410 |
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411 validkeep = [b'keep', b'keep-merge3'] |
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412 |
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413 # do we attempt to simplemerge first? |
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414 try: |
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415 premerge = _toolbool(ui, tool, b"premerge", not binary) |
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416 except error.ConfigError: |
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417 premerge = _toolstr(ui, tool, b"premerge", b"").lower() |
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418 if premerge not in validkeep: |
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419 _valid = b', '.join([b"'" + v + b"'" for v in validkeep]) |
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420 raise error.ConfigError( |
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421 _(b"%s.premerge not valid ('%s' is neither boolean nor %s)") |
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422 % (tool, premerge, _valid) |
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423 ) |
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424 |
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425 if premerge: |
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426 if premerge == b'keep-merge3': |
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427 if not labels: |
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428 labels = _defaultconflictlabels |
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429 if len(labels) < 3: |
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430 labels.append(b'base') |
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431 r = simplemerge.simplemerge(ui, fcd, fca, fco, quiet=True, label=labels) |
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432 if not r: |
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433 ui.debug(b" premerge successful\n") |
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434 return 0 |
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435 if premerge not in validkeep: |
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436 # restore from backup and try again |
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437 _restorebackup(fcd, back) |
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438 return 1 # continue merging |
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439 |
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440 |
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441 def _mergecheck(repo, mynode, orig, fcd, fco, fca, toolconf): |
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442 tool, toolpath, binary, symlink, scriptfn = toolconf |
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443 uipathfn = scmutil.getuipathfn(repo) |
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444 if symlink: |
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445 repo.ui.warn( |
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446 _(b'warning: internal %s cannot merge symlinks for %s\n') |
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447 % (tool, uipathfn(fcd.path())) |
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448 ) |
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449 return False |
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450 if fcd.isabsent() or fco.isabsent(): |
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451 repo.ui.warn( |
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452 _( |
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453 b'warning: internal %s cannot merge change/delete ' |
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454 b'conflict for %s\n' |
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455 ) |
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456 % (tool, uipathfn(fcd.path())) |
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457 ) |
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458 return False |
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459 return True |
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460 |
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461 |
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462 def _merge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels, mode): |
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463 """ |
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464 Uses the internal non-interactive simple merge algorithm for merging |
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465 files. It will fail if there are any conflicts and leave markers in |
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466 the partially merged file. Markers will have two sections, one for each side |
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467 of merge, unless mode equals 'union' which suppresses the markers.""" |
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468 ui = repo.ui |
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469 |
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470 r = simplemerge.simplemerge(ui, fcd, fca, fco, label=labels, mode=mode) |
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471 return True, r, False |
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472 |
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473 |
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474 @internaltool( |
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475 b'union', |
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476 fullmerge, |
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477 _( |
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478 b"warning: conflicts while merging %s! " |
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479 b"(edit, then use 'hg resolve --mark')\n" |
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480 ), |
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481 precheck=_mergecheck, |
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482 ) |
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483 def _iunion(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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484 """ |
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485 Uses the internal non-interactive simple merge algorithm for merging |
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486 files. It will use both left and right sides for conflict regions. |
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487 No markers are inserted.""" |
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488 return _merge( |
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489 repo, mynode, orig, fcd, fco, fca, toolconf, files, labels, b'union' |
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490 ) |
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491 |
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492 |
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493 @internaltool( |
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494 b'merge', |
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495 fullmerge, |
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496 _( |
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497 b"warning: conflicts while merging %s! " |
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498 b"(edit, then use 'hg resolve --mark')\n" |
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499 ), |
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500 precheck=_mergecheck, |
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501 ) |
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502 def _imerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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503 """ |
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504 Uses the internal non-interactive simple merge algorithm for merging |
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505 files. It will fail if there are any conflicts and leave markers in |
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506 the partially merged file. Markers will have two sections, one for each side |
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507 of merge.""" |
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508 return _merge( |
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509 repo, mynode, orig, fcd, fco, fca, toolconf, files, labels, b'merge' |
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510 ) |
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511 |
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512 |
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513 @internaltool( |
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514 b'merge3', |
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515 fullmerge, |
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516 _( |
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517 b"warning: conflicts while merging %s! " |
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518 b"(edit, then use 'hg resolve --mark')\n" |
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519 ), |
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520 precheck=_mergecheck, |
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521 ) |
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522 def _imerge3(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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523 """ |
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524 Uses the internal non-interactive simple merge algorithm for merging |
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525 files. It will fail if there are any conflicts and leave markers in |
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526 the partially merged file. Marker will have three sections, one from each |
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527 side of the merge and one for the base content.""" |
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528 if not labels: |
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529 labels = _defaultconflictlabels |
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530 if len(labels) < 3: |
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531 labels.append(b'base') |
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532 return _imerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels) |
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533 |
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534 |
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535 def _imergeauto( |
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536 repo, |
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537 mynode, |
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538 orig, |
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539 fcd, |
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540 fco, |
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541 fca, |
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542 toolconf, |
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543 files, |
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544 labels=None, |
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545 localorother=None, |
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546 ): |
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547 """ |
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548 Generic driver for _imergelocal and _imergeother |
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549 """ |
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550 assert localorother is not None |
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551 r = simplemerge.simplemerge( |
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552 repo.ui, fcd, fca, fco, label=labels, localorother=localorother |
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553 ) |
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554 return True, r |
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555 |
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556 |
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557 @internaltool(b'merge-local', mergeonly, precheck=_mergecheck) |
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558 def _imergelocal(*args, **kwargs): |
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559 """ |
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560 Like :merge, but resolve all conflicts non-interactively in favor |
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561 of the local `p1()` changes.""" |
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562 success, status = _imergeauto(localorother=b'local', *args, **kwargs) |
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563 return success, status, False |
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564 |
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565 |
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566 @internaltool(b'merge-other', mergeonly, precheck=_mergecheck) |
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567 def _imergeother(*args, **kwargs): |
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568 """ |
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569 Like :merge, but resolve all conflicts non-interactively in favor |
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570 of the other `p2()` changes.""" |
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571 success, status = _imergeauto(localorother=b'other', *args, **kwargs) |
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572 return success, status, False |
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573 |
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574 |
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575 @internaltool( |
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576 b'tagmerge', |
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577 mergeonly, |
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578 _( |
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579 b"automatic tag merging of %s failed! " |
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580 b"(use 'hg resolve --tool :merge' or another merge " |
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581 b"tool of your choice)\n" |
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582 ), |
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583 ) |
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584 def _itagmerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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585 """ |
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586 Uses the internal tag merge algorithm (experimental). |
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587 """ |
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588 success, status = tagmerge.merge(repo, fcd, fco, fca) |
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589 return success, status, False |
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590 |
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591 |
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592 @internaltool(b'dump', fullmerge, binary=True, symlink=True) |
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593 def _idump(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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594 """ |
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595 Creates three versions of the files to merge, containing the |
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596 contents of local, other and base. These files can then be used to |
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597 perform a merge manually. If the file to be merged is named |
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598 ``a.txt``, these files will accordingly be named ``a.txt.local``, |
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599 ``a.txt.other`` and ``a.txt.base`` and they will be placed in the |
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600 same directory as ``a.txt``. |
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601 |
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602 This implies premerge. Therefore, files aren't dumped, if premerge |
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603 runs successfully. Use :forcedump to forcibly write files out. |
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604 """ |
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605 a = _workingpath(repo, fcd) |
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606 fd = fcd.path() |
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607 |
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608 from . import context |
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609 |
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610 if isinstance(fcd, context.overlayworkingfilectx): |
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611 raise error.InMemoryMergeConflictsError( |
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612 b'in-memory merge does not support the :dump tool.' |
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613 ) |
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614 |
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615 util.writefile(a + b".local", fcd.decodeddata()) |
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616 repo.wwrite(fd + b".other", fco.data(), fco.flags()) |
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617 repo.wwrite(fd + b".base", fca.data(), fca.flags()) |
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618 return False, 1, False |
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619 |
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620 |
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621 @internaltool(b'forcedump', mergeonly, binary=True, symlink=True) |
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622 def _forcedump(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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623 """ |
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624 Creates three versions of the files as same as :dump, but omits premerge. |
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625 """ |
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626 return _idump( |
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627 repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=labels |
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628 ) |
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629 |
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630 |
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631 def _xmergeimm(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels=None): |
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632 # In-memory merge simply raises an exception on all external merge tools, |
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633 # for now. |
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634 # |
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635 # It would be possible to run most tools with temporary files, but this |
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636 # raises the question of what to do if the user only partially resolves the |
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637 # file -- we can't leave a merge state. (Copy to somewhere in the .hg/ |
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638 # directory and tell the user how to get it is my best idea, but it's |
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639 # clunky.) |
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640 raise error.InMemoryMergeConflictsError( |
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641 b'in-memory merge does not support external merge tools' |
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642 ) |
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643 |
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644 |
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645 def _describemerge(ui, repo, mynode, fcl, fcb, fco, env, toolpath, args): |
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646 tmpl = ui.config(b'command-templates', b'pre-merge-tool-output') |
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647 if not tmpl: |
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648 return |
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649 |
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650 mappingdict = templateutil.mappingdict |
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651 props = { |
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652 b'ctx': fcl.changectx(), |
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653 b'node': hex(mynode), |
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654 b'path': fcl.path(), |
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655 b'local': mappingdict( |
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656 { |
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657 b'ctx': fcl.changectx(), |
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658 b'fctx': fcl, |
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659 b'node': hex(mynode), |
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660 b'name': _(b'local'), |
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661 b'islink': b'l' in fcl.flags(), |
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662 b'label': env[b'HG_MY_LABEL'], |
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663 } |
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664 ), |
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665 b'base': mappingdict( |
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666 { |
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667 b'ctx': fcb.changectx(), |
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668 b'fctx': fcb, |
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669 b'name': _(b'base'), |
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670 b'islink': b'l' in fcb.flags(), |
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671 b'label': env[b'HG_BASE_LABEL'], |
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672 } |
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673 ), |
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674 b'other': mappingdict( |
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675 { |
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676 b'ctx': fco.changectx(), |
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677 b'fctx': fco, |
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678 b'name': _(b'other'), |
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679 b'islink': b'l' in fco.flags(), |
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680 b'label': env[b'HG_OTHER_LABEL'], |
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681 } |
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682 ), |
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683 b'toolpath': toolpath, |
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684 b'toolargs': args, |
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685 } |
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686 |
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687 # TODO: make all of this something that can be specified on a per-tool basis |
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688 tmpl = templater.unquotestring(tmpl) |
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689 |
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690 # Not using cmdutil.rendertemplate here since it causes errors importing |
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691 # things for us to import cmdutil. |
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692 tres = formatter.templateresources(ui, repo) |
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693 t = formatter.maketemplater( |
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694 ui, tmpl, defaults=templatekw.keywords, resources=tres |
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695 ) |
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696 ui.status(t.renderdefault(props)) |
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697 |
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698 |
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699 def _xmerge(repo, mynode, orig, fcd, fco, fca, toolconf, files, labels): |
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700 tool, toolpath, binary, symlink, scriptfn = toolconf |
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701 uipathfn = scmutil.getuipathfn(repo) |
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702 if fcd.isabsent() or fco.isabsent(): |
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703 repo.ui.warn( |
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704 _(b'warning: %s cannot merge change/delete conflict for %s\n') |
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705 % (tool, uipathfn(fcd.path())) |
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706 ) |
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707 return False, 1, None |
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708 unused, unused, unused, back = files |
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709 localpath = _workingpath(repo, fcd) |
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710 args = _toolstr(repo.ui, tool, b"args") |
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711 |
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712 with _maketempfiles( |
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713 repo, fco, fca, repo.wvfs.join(back.path()), b"$output" in args |
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714 ) as temppaths: |
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715 basepath, otherpath, localoutputpath = temppaths |
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716 outpath = b"" |
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717 mylabel, otherlabel = labels[:2] |
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718 if len(labels) >= 3: |
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719 baselabel = labels[2] |
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720 else: |
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721 baselabel = b'base' |
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722 env = { |
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723 b'HG_FILE': fcd.path(), |
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724 b'HG_MY_NODE': short(mynode), |
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725 b'HG_OTHER_NODE': short(fco.changectx().node()), |
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726 b'HG_BASE_NODE': short(fca.changectx().node()), |
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727 b'HG_MY_ISLINK': b'l' in fcd.flags(), |
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728 b'HG_OTHER_ISLINK': b'l' in fco.flags(), |
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729 b'HG_BASE_ISLINK': b'l' in fca.flags(), |
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730 b'HG_MY_LABEL': mylabel, |
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731 b'HG_OTHER_LABEL': otherlabel, |
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732 b'HG_BASE_LABEL': baselabel, |
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733 } |
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734 ui = repo.ui |
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735 |
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736 if b"$output" in args: |
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737 # read input from backup, write to original |
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738 outpath = localpath |
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739 localpath = localoutputpath |
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740 replace = { |
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741 b'local': localpath, |
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742 b'base': basepath, |
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743 b'other': otherpath, |
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744 b'output': outpath, |
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745 b'labellocal': mylabel, |
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746 b'labelother': otherlabel, |
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747 b'labelbase': baselabel, |
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748 } |
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749 args = util.interpolate( |
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750 br'\$', |
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751 replace, |
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752 args, |
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753 lambda s: procutil.shellquote(util.localpath(s)), |
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754 ) |
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755 if _toolbool(ui, tool, b"gui"): |
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756 repo.ui.status( |
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757 _(b'running merge tool %s for file %s\n') |
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758 % (tool, uipathfn(fcd.path())) |
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759 ) |
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760 if scriptfn is None: |
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761 cmd = toolpath + b' ' + args |
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762 repo.ui.debug(b'launching merge tool: %s\n' % cmd) |
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763 _describemerge(ui, repo, mynode, fcd, fca, fco, env, toolpath, args) |
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764 r = ui.system( |
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765 cmd, cwd=repo.root, environ=env, blockedtag=b'mergetool' |
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766 ) |
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767 else: |
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768 repo.ui.debug( |
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769 b'launching python merge script: %s:%s\n' % (toolpath, scriptfn) |
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770 ) |
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771 r = 0 |
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772 try: |
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773 # avoid cycle cmdutil->merge->filemerge->extensions->cmdutil |
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774 from . import extensions |
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775 |
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776 mod = extensions.loadpath(toolpath, b'hgmerge.%s' % tool) |
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777 except Exception: |
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778 raise error.Abort( |
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779 _(b"loading python merge script failed: %s") % toolpath |
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780 ) |
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781 mergefn = getattr(mod, scriptfn, None) |
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782 if mergefn is None: |
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783 raise error.Abort( |
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784 _(b"%s does not have function: %s") % (toolpath, scriptfn) |
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785 ) |
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786 argslist = procutil.shellsplit(args) |
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787 # avoid cycle cmdutil->merge->filemerge->hook->extensions->cmdutil |
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788 from . import hook |
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789 |
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790 ret, raised = hook.pythonhook( |
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791 ui, repo, b"merge", toolpath, mergefn, {b'args': argslist}, True |
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792 ) |
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793 if raised: |
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794 r = 1 |
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795 repo.ui.debug(b'merge tool returned: %d\n' % r) |
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796 return True, r, False |
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797 |
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798 |
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799 def _formatconflictmarker(ctx, template, label, pad): |
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800 """Applies the given template to the ctx, prefixed by the label. |
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801 |
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802 Pad is the minimum width of the label prefix, so that multiple markers |
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803 can have aligned templated parts. |
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804 """ |
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805 if ctx.node() is None: |
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806 ctx = ctx.p1() |
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807 |
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808 props = {b'ctx': ctx} |
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809 templateresult = template.renderdefault(props) |
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810 |
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811 label = (b'%s:' % label).ljust(pad + 1) |
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812 mark = b'%s %s' % (label, templateresult) |
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813 |
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814 if mark: |
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815 mark = mark.splitlines()[0] # split for safety |
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816 |
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817 # 8 for the prefix of conflict marker lines (e.g. '<<<<<<< ') |
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818 return stringutil.ellipsis(mark, 80 - 8) |
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819 |
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820 |
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821 _defaultconflictlabels = [b'local', b'other'] |
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822 |
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823 |
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824 def _formatlabels(repo, fcd, fco, fca, labels, tool=None): |
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825 """Formats the given labels using the conflict marker template. |
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826 |
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827 Returns a list of formatted labels. |
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828 """ |
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829 cd = fcd.changectx() |
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830 co = fco.changectx() |
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831 ca = fca.changectx() |
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832 |
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833 ui = repo.ui |
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834 template = ui.config(b'command-templates', b'mergemarker') |
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835 if tool is not None: |
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836 template = _toolstr(ui, tool, b'mergemarkertemplate', template) |
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837 template = templater.unquotestring(template) |
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838 tres = formatter.templateresources(ui, repo) |
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839 tmpl = formatter.maketemplater( |
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840 ui, template, defaults=templatekw.keywords, resources=tres |
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841 ) |
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842 |
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843 pad = max(len(l) for l in labels) |
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844 |
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845 newlabels = [ |
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846 _formatconflictmarker(cd, tmpl, labels[0], pad), |
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847 _formatconflictmarker(co, tmpl, labels[1], pad), |
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848 ] |
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849 if len(labels) > 2: |
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850 newlabels.append(_formatconflictmarker(ca, tmpl, labels[2], pad)) |
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851 return newlabels |
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852 |
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853 |
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854 def partextras(labels): |
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855 """Return a dictionary of extra labels for use in prompts to the user |
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856 |
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857 Intended use is in strings of the form "(l)ocal%(l)s". |
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858 """ |
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859 if labels is None: |
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860 return { |
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861 b"l": b"", |
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862 b"o": b"", |
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863 } |
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864 |
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865 return { |
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866 b"l": b" [%s]" % labels[0], |
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867 b"o": b" [%s]" % labels[1], |
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868 } |
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869 |
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870 |
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871 def _restorebackup(fcd, back): |
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872 # TODO: Add a workingfilectx.write(otherfilectx) path so we can use |
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873 # util.copy here instead. |
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874 fcd.write(back.data(), fcd.flags()) |
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875 |
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876 |
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877 def _makebackup(repo, ui, wctx, fcd, premerge): |
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878 """Makes and returns a filectx-like object for ``fcd``'s backup file. |
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879 |
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880 In addition to preserving the user's pre-existing modifications to `fcd` |
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881 (if any), the backup is used to undo certain premerges, confirm whether a |
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882 merge changed anything, and determine what line endings the new file should |
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883 have. |
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884 |
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885 Backups only need to be written once (right before the premerge) since their |
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886 content doesn't change afterwards. |
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887 """ |
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888 if fcd.isabsent(): |
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889 return None |
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890 # TODO: Break this import cycle somehow. (filectx -> ctx -> fileset -> |
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891 # merge -> filemerge). (I suspect the fileset import is the weakest link) |
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892 from . import context |
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893 |
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894 back = scmutil.backuppath(ui, repo, fcd.path()) |
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|
895 inworkingdir = back.startswith(repo.wvfs.base) and not back.startswith( |
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|
896 repo.vfs.base |
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|
897 ) |
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|
898 if isinstance(fcd, context.overlayworkingfilectx) and inworkingdir: |
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changeset
|
899 # If the backup file is to be in the working directory, and we're |
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|
900 # merging in-memory, we must redirect the backup to the memory context |
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|
901 # so we don't disturb the working directory. |
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|
902 relpath = back[len(repo.wvfs.base) + 1 :] |
35703
9a50ffd15b25
filemerge: only write in-memory backup during premerge
Phil Cohen <phillco@fb.com>
parents:
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diff
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|
903 if premerge: |
9a50ffd15b25
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diff
changeset
|
904 wctx[relpath].write(fcd.data(), fcd.flags()) |
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|
905 return wctx[relpath] |
123a68e6b473
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|
906 else: |
35702
c0439e11af16
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diff
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|
907 if premerge: |
c0439e11af16
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parents:
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diff
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|
908 # Otherwise, write to wherever path the user specified the backups |
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|
909 # should go. We still need to switch based on whether the source is |
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|
910 # in-memory so we can use the fast path of ``util.copy`` if both are |
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|
911 # on disk. |
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|
912 if isinstance(fcd, context.overlayworkingfilectx): |
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diff
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|
913 util.writefile(back, fcd.data()) |
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|
914 else: |
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a8ccd821b7d2
filemerge: migrate to scmutil.backuppath()
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
915 a = _workingpath(repo, fcd) |
35702
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changeset
|
916 util.copyfile(a, back) |
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|
917 # A arbitraryfilectx is returned, so we can run the same functions on |
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|
918 # the backup context regardless of where it lives. |
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|
919 return context.arbitraryfilectx(back, repo=repo) |
34031
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|
920 |
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|
921 |
36998
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|
922 @contextlib.contextmanager |
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|
923 def _maketempfiles(repo, fco, fca, localpath, uselocalpath): |
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|
924 """Writes out `fco` and `fca` as temporary files, and (if uselocalpath) |
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|
925 copies `localpath` to another temporary file, so an external merge tool may |
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|
926 use them. |
34031
52bd006b4f49
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|
927 """ |
36999
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|
928 tmproot = None |
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|
929 tmprootprefix = repo.ui.config(b'experimental', b'mergetempdirprefix') |
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|
930 if tmprootprefix: |
38165
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py3: wrap tempfile.mkdtemp() to use bytes path
Yuya Nishihara <yuya@tcha.org>
parents:
38164
diff
changeset
|
931 tmproot = pycompat.mkdtemp(prefix=tmprootprefix) |
36999
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|
932 |
37077
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|
933 def maketempfrompath(prefix, path): |
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changeset
|
934 fullbase, ext = os.path.splitext(path) |
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|
935 pre = b"%s~%s" % (os.path.basename(fullbase), prefix) |
36999
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|
936 if tmproot: |
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|
937 name = os.path.join(tmproot, pre) |
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|
938 if ext: |
e349ad5cbb71
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changeset
|
939 name += ext |
43503
313e3a279828
cleanup: remove pointless r-prefixes on double-quoted strings
Augie Fackler <augie@google.com>
parents:
43117
diff
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|
940 f = open(name, "wb") |
36999
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|
941 else: |
43077
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diff
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|
942 fd, name = pycompat.mkstemp(prefix=pre + b'.', suffix=ext) |
43503
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cleanup: remove pointless r-prefixes on double-quoted strings
Augie Fackler <augie@google.com>
parents:
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diff
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|
943 f = os.fdopen(fd, "wb") |
37077
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|
944 return f, name |
1e30a26a65d0
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36999
diff
changeset
|
945 |
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filemerge: make the 'local' path match the format that 'base' and 'other' use
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diff
changeset
|
946 def tempfromcontext(prefix, ctx): |
1e30a26a65d0
filemerge: make the 'local' path match the format that 'base' and 'other' use
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parents:
36999
diff
changeset
|
947 f, name = maketempfrompath(prefix, ctx.path()) |
34031
52bd006b4f49
filemerge: extract _maketemp and _makebackup
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parents:
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diff
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|
948 data = repo.wwritedata(ctx.path(), ctx.data()) |
52bd006b4f49
filemerge: extract _maketemp and _makebackup
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diff
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|
949 f.write(data) |
52bd006b4f49
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|
950 f.close() |
52bd006b4f49
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diff
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|
951 return name |
52bd006b4f49
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changeset
|
952 |
43077
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diff
changeset
|
953 b = tempfromcontext(b"base", fca) |
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changeset
|
954 c = tempfromcontext(b"other", fco) |
37077
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|
955 d = localpath |
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changeset
|
956 if uselocalpath: |
1e30a26a65d0
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diff
changeset
|
957 # We start off with this being the backup filename, so remove the .orig |
1e30a26a65d0
filemerge: make the 'local' path match the format that 'base' and 'other' use
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diff
changeset
|
958 # to make syntax-highlighting more likely. |
43077
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|
959 if d.endswith(b'.orig'): |
37077
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changeset
|
960 d, _ = os.path.splitext(d) |
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|
961 f, d = maketempfrompath(b"local", d) |
687b865b95ad
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changeset
|
962 with open(localpath, b'rb') as src: |
37077
1e30a26a65d0
filemerge: make the 'local' path match the format that 'base' and 'other' use
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diff
changeset
|
963 f.write(src.read()) |
1e30a26a65d0
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diff
changeset
|
964 f.close() |
1e30a26a65d0
filemerge: make the 'local' path match the format that 'base' and 'other' use
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diff
changeset
|
965 |
36998
3723b42ff953
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diff
changeset
|
966 try: |
37077
1e30a26a65d0
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diff
changeset
|
967 yield b, c, d |
36998
3723b42ff953
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diff
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|
968 finally: |
36999
e349ad5cbb71
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diff
changeset
|
969 if tmproot: |
e349ad5cbb71
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diff
changeset
|
970 shutil.rmtree(tmproot) |
e349ad5cbb71
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diff
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|
971 else: |
e349ad5cbb71
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diff
changeset
|
972 util.unlink(b) |
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diff
changeset
|
973 util.unlink(c) |
37077
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|
974 # if not uselocalpath, d is the 'orig'/backup file which we |
1e30a26a65d0
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|
975 # shouldn't delete. |
1e30a26a65d0
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changeset
|
976 if d and uselocalpath: |
1e30a26a65d0
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changeset
|
977 util.unlink(d) |
34031
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changeset
|
978 |
43076
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|
979 |
34122
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merge: pass wctx to premerge, filemerge
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parents:
34076
diff
changeset
|
980 def _filemerge(premerge, repo, wctx, mynode, orig, fcd, fco, fca, labels=None): |
6003
7855b88ba838
filemerge: pull file-merging code into its own module
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
981 """perform a 3-way merge in the working directory |
7855b88ba838
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
982 |
26607
45a6233d5f50
filemerge: introduce a premerge flag and function
Siddharth Agarwal <sid0@fb.com>
parents:
26606
diff
changeset
|
983 premerge = whether this is a premerge |
6512
368a4ec603cc
merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents:
6212
diff
changeset
|
984 mynode = parent node before merge |
368a4ec603cc
merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents:
6212
diff
changeset
|
985 orig = original local filename before merge |
368a4ec603cc
merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents:
6212
diff
changeset
|
986 fco = other file context |
368a4ec603cc
merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents:
6212
diff
changeset
|
987 fca = ancestor file context |
368a4ec603cc
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parents:
6212
diff
changeset
|
988 fcd = local file context for current/destination file |
26606
2a405d307f8c
filemerge: also return whether the merge is complete
Siddharth Agarwal <sid0@fb.com>
parents:
26605
diff
changeset
|
989 |
27034
86ede9eda252
filemerge: return whether the file was deleted
Siddharth Agarwal <sid0@fb.com>
parents:
27033
diff
changeset
|
990 Returns whether the merge is complete, the return value of the merge, and |
86ede9eda252
filemerge: return whether the file was deleted
Siddharth Agarwal <sid0@fb.com>
parents:
27033
diff
changeset
|
991 a boolean indicating whether the file was deleted from disk.""" |
6003
7855b88ba838
filemerge: pull file-merging code into its own module
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parents:
diff
changeset
|
992 |
43076
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changeset
|
993 if not fco.cmp(fcd): # files identical? |
27034
86ede9eda252
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Siddharth Agarwal <sid0@fb.com>
parents:
27033
diff
changeset
|
994 return True, None, False |
26512
4c52dd406adc
filemerge: indent filemerge.filemerge
Siddharth Agarwal <sid0@fb.com>
parents:
26224
diff
changeset
|
995 |
26608
ae5b60d3294f
filemerge: deindent the parts of filemerge outside the try block
Siddharth Agarwal <sid0@fb.com>
parents:
26607
diff
changeset
|
996 ui = repo.ui |
ae5b60d3294f
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parents:
26607
diff
changeset
|
997 fd = fcd.path() |
41510
faa49a5914bb
merge: respect ui.relative-paths
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parents:
41365
diff
changeset
|
998 uipathfn = scmutil.getuipathfn(repo) |
faa49a5914bb
merge: respect ui.relative-paths
Martin von Zweigbergk <martinvonz@google.com>
parents:
41365
diff
changeset
|
999 fduipath = uipathfn(fd) |
26608
ae5b60d3294f
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26607
diff
changeset
|
1000 binary = fcd.isbinary() or fco.isbinary() or fca.isbinary() |
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diff
changeset
|
1001 symlink = b'l' in fcd.flags() + fco.flags() |
27039
d7517deedf86
filemerge._picktool: only pick from nomerge tools for change/delete conflicts
Siddharth Agarwal <sid0@fb.com>
parents:
27038
diff
changeset
|
1002 changedelete = fcd.isabsent() or fco.isabsent() |
d7517deedf86
filemerge._picktool: only pick from nomerge tools for change/delete conflicts
Siddharth Agarwal <sid0@fb.com>
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27038
diff
changeset
|
1003 tool, toolpath = _picktool(repo, ui, fd, binary, symlink, changedelete) |
38041
242eb5132203
filemerge: support specifying a python function to custom merge-tools
hindlemail <tom_hindle@sil.org>
parents:
37120
diff
changeset
|
1004 scriptfn = None |
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1005 if tool in internals and tool.startswith(b'internal:'): |
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1006 # normalize to new-style names (':merge' etc) |
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1007 tool = tool[len(b'internal') :] |
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1008 if toolpath and toolpath.startswith(b'python:'): |
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1009 invalidsyntax = False |
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1010 if toolpath.count(b':') >= 2: |
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1011 script, scriptfn = toolpath[7:].rsplit(b':', 1) |
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1012 if not scriptfn: |
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1013 invalidsyntax = True |
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1014 # missing :callable can lead to spliting on windows drive letter |
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1015 if b'\\' in scriptfn or b'/' in scriptfn: |
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1016 invalidsyntax = True |
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1017 else: |
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1018 invalidsyntax = True |
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1019 if invalidsyntax: |
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1020 raise error.Abort(_(b"invalid 'python:' syntax: %s") % toolpath) |
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1021 toolpath = script |
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1022 ui.debug( |
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1023 b"picked tool '%s' for %s (binary %s symlink %s changedelete %s)\n" |
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1024 % ( |
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1025 tool, |
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1026 fduipath, |
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1027 pycompat.bytestr(binary), |
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1028 pycompat.bytestr(symlink), |
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1029 pycompat.bytestr(changedelete), |
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1030 ) |
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1031 ) |
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1032 |
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1033 if tool in internals: |
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1034 func = internals[tool] |
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1035 mergetype = func.mergetype |
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1036 onfailure = func.onfailure |
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1037 precheck = func.precheck |
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1038 isexternal = False |
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1039 else: |
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1040 if wctx.isinmemory(): |
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1041 func = _xmergeimm |
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1042 else: |
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1043 func = _xmerge |
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1044 mergetype = fullmerge |
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1045 onfailure = _(b"merging %s failed!\n") |
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1046 precheck = None |
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1047 isexternal = True |
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1048 |
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1049 toolconf = tool, toolpath, binary, symlink, scriptfn |
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1050 |
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1051 if mergetype == nomerge: |
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1052 r, deleted = func(repo, mynode, orig, fcd, fco, fca, toolconf, labels) |
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1053 return True, r, deleted |
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1054 |
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1055 if premerge: |
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1056 if orig != fco.path(): |
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1057 ui.status( |
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1058 _(b"merging %s and %s to %s\n") |
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1059 % (uipathfn(orig), uipathfn(fco.path()), fduipath) |
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1060 ) |
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1061 else: |
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1062 ui.status(_(b"merging %s\n") % fduipath) |
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1063 |
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1064 ui.debug(b"my %s other %s ancestor %s\n" % (fcd, fco, fca)) |
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1065 |
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1066 if precheck and not precheck(repo, mynode, orig, fcd, fco, fca, toolconf): |
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1067 if onfailure: |
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1068 if wctx.isinmemory(): |
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1069 raise error.InMemoryMergeConflictsError( |
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1070 b'in-memory merge does not support merge conflicts' |
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1071 ) |
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1072 ui.warn(onfailure % fduipath) |
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1073 return True, 1, False |
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1074 |
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1075 back = _makebackup(repo, ui, wctx, fcd, premerge) |
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1076 files = (None, None, None, back) |
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1077 r = 1 |
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1078 try: |
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1079 internalmarkerstyle = ui.config(b'ui', b'mergemarkers') |
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1080 if isexternal: |
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1081 markerstyle = _toolstr(ui, tool, b'mergemarkers') |
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1082 else: |
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1083 markerstyle = internalmarkerstyle |
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1084 |
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1085 if not labels: |
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1086 labels = _defaultconflictlabels |
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1087 formattedlabels = labels |
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1088 if markerstyle != b'basic': |
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1089 formattedlabels = _formatlabels( |
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1090 repo, fcd, fco, fca, labels, tool=tool |
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1091 ) |
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1092 |
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1093 if premerge and mergetype == fullmerge: |
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1094 # conflict markers generated by premerge will use 'detailed' |
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1095 # settings if either ui.mergemarkers or the tool's mergemarkers |
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1096 # setting is 'detailed'. This way tools can have basic labels in |
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1097 # space-constrained areas of the UI, but still get full information |
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1098 # in conflict markers if premerge is 'keep' or 'keep-merge3'. |
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1099 premergelabels = labels |
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1100 labeltool = None |
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1101 if markerstyle != b'basic': |
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1102 # respect 'tool's mergemarkertemplate (which defaults to |
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1103 # command-templates.mergemarker) |
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1104 labeltool = tool |
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1105 if internalmarkerstyle != b'basic' or markerstyle != b'basic': |
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1106 premergelabels = _formatlabels( |
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1107 repo, fcd, fco, fca, premergelabels, tool=labeltool |
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1108 ) |
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1109 |
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1110 r = _premerge( |
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1111 repo, fcd, fco, fca, toolconf, files, labels=premergelabels |
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1112 ) |
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1113 # complete if premerge successful (r is 0) |
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1114 return not r, r, False |
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1115 |
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1116 needcheck, r, deleted = func( |
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1117 repo, |
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1118 mynode, |
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1119 orig, |
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1120 fcd, |
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1121 fco, |
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1122 fca, |
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1123 toolconf, |
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1124 files, |
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1125 labels=formattedlabels, |
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1126 ) |
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1127 |
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1128 if needcheck: |
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1129 r = _check(repo, r, ui, tool, fcd, files) |
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1130 |
16125
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1131 if r: |
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1132 if onfailure: |
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1133 if wctx.isinmemory(): |
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1134 raise error.InMemoryMergeConflictsError( |
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1135 b'in-memory merge ' |
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1136 b'does not support ' |
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1137 b'merge conflicts' |
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1138 ) |
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1139 ui.warn(onfailure % fduipath) |
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1140 _onfilemergefailure(ui) |
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1141 |
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1142 return True, r, deleted |
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1143 finally: |
27047
e1458049dca5
filemerge: don't try to copy files known to be absent
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1144 if not r and back is not None: |
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|
1145 back.remove() |
6004
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1146 |
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1147 |
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1148 def _haltmerge(): |
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1149 msg = _(b'merge halted after failed merge (see hg resolve)') |
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1150 raise error.InterventionRequired(msg) |
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1151 |
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1152 |
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1153 def _onfilemergefailure(ui): |
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1154 action = ui.config(b'merge', b'on-failure') |
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1155 if action == b'prompt': |
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1156 msg = _(b'continue merge operation (yn)?$$ &Yes $$ &No') |
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1157 if ui.promptchoice(msg, 0) == 1: |
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1158 _haltmerge() |
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1159 if action == b'halt': |
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1160 _haltmerge() |
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1161 # default action is 'continue', in which case we neither prompt nor halt |
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1162 |
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1163 |
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1164 def hasconflictmarkers(data): |
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1165 return bool( |
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1166 re.search(b"^(<<<<<<< .*|=======|>>>>>>> .*)$", data, re.MULTILINE) |
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1167 ) |
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1168 |
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1169 |
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1170 def _check(repo, r, ui, tool, fcd, files): |
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1171 fd = fcd.path() |
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1172 uipathfn = scmutil.getuipathfn(repo) |
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1173 unused, unused, unused, back = files |
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1174 |
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1175 if not r and ( |
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1176 _toolbool(ui, tool, b"checkconflicts") |
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1177 or b'conflicts' in _toollist(ui, tool, b"check") |
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1178 ): |
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1179 if hasconflictmarkers(fcd.data()): |
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1180 r = 1 |
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1181 |
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1182 checked = False |
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1183 if b'prompt' in _toollist(ui, tool, b"check"): |
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1184 checked = True |
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1185 if ui.promptchoice( |
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1186 _(b"was merge of '%s' successful (yn)?$$ &Yes $$ &No") |
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1187 % uipathfn(fd), |
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1188 1, |
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1189 ): |
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1190 r = 1 |
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1191 |
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1192 if ( |
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1193 not r |
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1194 and not checked |
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1195 and ( |
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1196 _toolbool(ui, tool, b"checkchanged") |
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1197 or b'changed' in _toollist(ui, tool, b"check") |
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1198 ) |
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1199 ): |
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1200 if back is not None and not fcd.cmp(back): |
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1201 if ui.promptchoice( |
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1202 _( |
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1203 b" output file %s appears unchanged\n" |
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1204 b"was merge successful (yn)?" |
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1205 b"$$ &Yes $$ &No" |
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1206 ) |
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1207 % uipathfn(fd), |
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1208 1, |
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1209 ): |
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1210 r = 1 |
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1211 |
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1212 if back is not None and _toolbool(ui, tool, b"fixeol"): |
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1213 _matcheol(_workingpath(repo, fcd), back) |
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1214 |
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1215 return r |
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1216 |
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1217 |
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1218 def _workingpath(repo, ctx): |
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1219 return repo.wjoin(ctx.path()) |
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1220 |
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1221 |
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1222 def premerge(repo, wctx, mynode, orig, fcd, fco, fca, labels=None): |
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1223 return _filemerge( |
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1224 True, repo, wctx, mynode, orig, fcd, fco, fca, labels=labels |
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1225 ) |
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1226 |
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1227 |
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1228 def filemerge(repo, wctx, mynode, orig, fcd, fco, fca, labels=None): |
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1229 return _filemerge( |
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1230 False, repo, wctx, mynode, orig, fcd, fco, fca, labels=labels |
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1231 ) |
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1232 |
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1233 |
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1234 def loadinternalmerge(ui, extname, registrarobj): |
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1235 """Load internal merge tool from specified registrarobj |
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1236 """ |
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1237 for name, func in pycompat.iteritems(registrarobj._table): |
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1238 fullname = b':' + name |
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1239 internals[fullname] = func |
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1240 internals[b'internal:' + name] = func |
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1241 internalsdoc[fullname] = func |
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1242 |
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1243 capabilities = sorted([k for k, v in func.capabilities.items() if v]) |
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1244 if capabilities: |
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1245 capdesc = b" (actual capabilities: %s)" % b', '.join( |
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1246 capabilities |
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1247 ) |
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1248 func.__doc__ = func.__doc__ + pycompat.sysstr(b"\n\n%s" % capdesc) |
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1249 |
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1250 # to put i18n comments into hg.pot for automatically generated texts |
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1251 |
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1252 # i18n: "binary" and "symlink" are keywords |
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1253 # i18n: this text is added automatically |
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1254 _(b" (actual capabilities: binary, symlink)") |
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1255 # i18n: "binary" is keyword |
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1256 # i18n: this text is added automatically |
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1257 _(b" (actual capabilities: binary)") |
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1258 # i18n: "symlink" is keyword |
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1259 # i18n: this text is added automatically |
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1260 _(b" (actual capabilities: symlink)") |
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1261 |
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1262 |
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1263 # load built-in merge tools explicitly to setup internalsdoc |
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1264 loadinternalmerge(None, None, internaltool) |
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1265 |
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1266 # tell hggettext to extract docstrings from these functions: |
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1267 i18nfunctions = internals.values() |