annotate mercurial/simplemerge.py @ 41631:3d9d5e612e67

subrepo: adjust subrepo prefix before calling subrepo.archive() (API) Differential Revision: https://phab.mercurial-scm.org/D5887
author Martin von Zweigbergk <martinvonz@google.com>
date Thu, 07 Feb 2019 10:20:57 -0800
parents e7aa113b14f7
children aaad36b88298
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1 # Copyright (C) 2004, 2005 Canonical Ltd
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2 #
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3 # This program is free software; you can redistribute it and/or modify
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4 # it under the terms of the GNU General Public License as published by
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5 # the Free Software Foundation; either version 2 of the License, or
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6 # (at your option) any later version.
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7 #
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8 # This program is distributed in the hope that it will be useful,
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9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 # GNU General Public License for more details.
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12 #
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13 # You should have received a copy of the GNU General Public License
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14 # along with this program; if not, see <http://www.gnu.org/licenses/>.
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15
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16 # mbp: "you know that thing where cvs gives you conflict markers?"
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17 # s: "i hate that."
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18
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19 from __future__ import absolute_import
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20
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21 from .i18n import _
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22 from . import (
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23 error,
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24 mdiff,
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25 pycompat,
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26 )
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27 from .utils import (
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28 stringutil,
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29 )
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30
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31 class CantReprocessAndShowBase(Exception):
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32 pass
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33
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34 def intersect(ra, rb):
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35 """Given two ranges return the range where they intersect or None.
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36
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37 >>> intersect((0, 10), (0, 6))
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38 (0, 6)
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39 >>> intersect((0, 10), (5, 15))
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40 (5, 10)
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41 >>> intersect((0, 10), (10, 15))
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42 >>> intersect((0, 9), (10, 15))
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43 >>> intersect((0, 9), (7, 15))
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44 (7, 9)
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45 """
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46 assert ra[0] <= ra[1]
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47 assert rb[0] <= rb[1]
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48
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49 sa = max(ra[0], rb[0])
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50 sb = min(ra[1], rb[1])
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51 if sa < sb:
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52 return sa, sb
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53 else:
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54 return None
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55
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56 def compare_range(a, astart, aend, b, bstart, bend):
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57 """Compare a[astart:aend] == b[bstart:bend], without slicing.
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58 """
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59 if (aend - astart) != (bend - bstart):
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60 return False
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61 for ia, ib in zip(pycompat.xrange(astart, aend),
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62 pycompat.xrange(bstart, bend)):
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63 if a[ia] != b[ib]:
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64 return False
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65 else:
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66 return True
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67
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68 class Merge3Text(object):
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69 """3-way merge of texts.
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70
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71 Given strings BASE, OTHER, THIS, tries to produce a combined text
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72 incorporating the changes from both BASE->OTHER and BASE->THIS."""
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73 def __init__(self, basetext, atext, btext, base=None, a=None, b=None):
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74 self.basetext = basetext
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75 self.atext = atext
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76 self.btext = btext
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77 if base is None:
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78 base = mdiff.splitnewlines(basetext)
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79 if a is None:
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80 a = mdiff.splitnewlines(atext)
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81 if b is None:
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82 b = mdiff.splitnewlines(btext)
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83 self.base = base
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84 self.a = a
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85 self.b = b
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86
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87 def merge_lines(self,
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88 name_a=None,
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89 name_b=None,
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90 name_base=None,
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91 start_marker='<<<<<<<',
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92 mid_marker='=======',
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93 end_marker='>>>>>>>',
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94 base_marker=None,
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95 localorother=None,
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96 minimize=False):
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97 """Return merge in cvs-like form.
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98 """
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99 self.conflicts = False
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100 newline = '\n'
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101 if len(self.a) > 0:
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102 if self.a[0].endswith('\r\n'):
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103 newline = '\r\n'
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104 elif self.a[0].endswith('\r'):
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105 newline = '\r'
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106 if name_a and start_marker:
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107 start_marker = start_marker + ' ' + name_a
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108 if name_b and end_marker:
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109 end_marker = end_marker + ' ' + name_b
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110 if name_base and base_marker:
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111 base_marker = base_marker + ' ' + name_base
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112 merge_regions = self.merge_regions()
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113 if minimize:
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114 merge_regions = self.minimize(merge_regions)
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115 for t in merge_regions:
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116 what = t[0]
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117 if what == 'unchanged':
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118 for i in range(t[1], t[2]):
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119 yield self.base[i]
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120 elif what == 'a' or what == 'same':
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121 for i in range(t[1], t[2]):
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122 yield self.a[i]
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123 elif what == 'b':
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124 for i in range(t[1], t[2]):
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125 yield self.b[i]
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126 elif what == 'conflict':
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127 if localorother == 'local':
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128 for i in range(t[3], t[4]):
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129 yield self.a[i]
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130 elif localorother == 'other':
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131 for i in range(t[5], t[6]):
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132 yield self.b[i]
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133 else:
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
134 self.conflicts = True
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
135 if start_marker is not None:
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
136 yield start_marker + newline
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
137 for i in range(t[3], t[4]):
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
138 yield self.a[i]
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
139 if base_marker is not None:
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
140 yield base_marker + newline
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
141 for i in range(t[1], t[2]):
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
142 yield self.base[i]
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
143 if mid_marker is not None:
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
144 yield mid_marker + newline
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
145 for i in range(t[5], t[6]):
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
146 yield self.b[i]
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
147 if end_marker is not None:
ed12abab068e simplemerge: enable option to resolve conflicts one way
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 26069
diff changeset
148 yield end_marker + newline
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
149 else:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
150 raise ValueError(what)
5081
ea7b982b6c08 Remove trailing spaces
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4408
diff changeset
151
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
152 def merge_groups(self):
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
153 """Yield sequence of line groups. Each one is a tuple:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
154
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
155 'unchanged', lines
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
156 Lines unchanged from base
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
157
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
158 'a', lines
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
159 Lines taken from a
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
160
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
161 'same', lines
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
162 Lines taken from a (and equal to b)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
163
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
164 'b', lines
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
165 Lines taken from b
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
166
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
167 'conflict', base_lines, a_lines, b_lines
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
168 Lines from base were changed to either a or b and conflict.
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
169 """
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
170 for t in self.merge_regions():
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
171 what = t[0]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
172 if what == 'unchanged':
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
173 yield what, self.base[t[1]:t[2]]
12401
4cdaf1adafc8 backout most of 4f8067c94729
Matt Mackall <mpm@selenic.com>
parents: 12387
diff changeset
174 elif what == 'a' or what == 'same':
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
175 yield what, self.a[t[1]:t[2]]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
176 elif what == 'b':
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
177 yield what, self.b[t[1]:t[2]]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
178 elif what == 'conflict':
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
179 yield (what,
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
180 self.base[t[1]:t[2]],
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
181 self.a[t[3]:t[4]],
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
182 self.b[t[5]:t[6]])
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
183 else:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
184 raise ValueError(what)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
185
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
186 def merge_regions(self):
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
187 """Return sequences of matching and conflicting regions.
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
188
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
189 This returns tuples, where the first value says what kind we
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
190 have:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
191
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
192 'unchanged', start, end
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
193 Take a region of base[start:end]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
194
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
195 'same', astart, aend
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
196 b and a are different from base but give the same result
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
197
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
198 'a', start, end
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
199 Non-clashing insertion from a[start:end]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
200
28070
a504794cee29 merge: add some useful documentation
Ryan McElroy <rmcelroy@fb.com>
parents: 26614
diff changeset
201 'conflict', zstart, zend, astart, aend, bstart, bend
a504794cee29 merge: add some useful documentation
Ryan McElroy <rmcelroy@fb.com>
parents: 26614
diff changeset
202 Conflict between a and b, with z as common ancestor
a504794cee29 merge: add some useful documentation
Ryan McElroy <rmcelroy@fb.com>
parents: 26614
diff changeset
203
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
204 Method is as follows:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
205
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
206 The two sequences align only on regions which match the base
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14329
diff changeset
207 and both descendants. These are found by doing a two-way diff
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
208 of each one against the base, and then finding the
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
209 intersections between those regions. These "sync regions"
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
210 are by definition unchanged in both and easily dealt with.
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
211
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
212 The regions in between can be in any of three cases:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
213 conflicted, or changed on only one side.
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
214 """
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
215
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
216 # section a[0:ia] has been disposed of, etc
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
217 iz = ia = ib = 0
5081
ea7b982b6c08 Remove trailing spaces
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4408
diff changeset
218
16683
525fdb738975 cleanup: eradicate long lines
Brodie Rao <brodie@sf.io>
parents: 15782
diff changeset
219 for region in self.find_sync_regions():
525fdb738975 cleanup: eradicate long lines
Brodie Rao <brodie@sf.io>
parents: 15782
diff changeset
220 zmatch, zend, amatch, aend, bmatch, bend = region
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
221 #print 'match base [%d:%d]' % (zmatch, zend)
5081
ea7b982b6c08 Remove trailing spaces
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4408
diff changeset
222
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
223 matchlen = zend - zmatch
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
224 assert matchlen >= 0
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
225 assert matchlen == (aend - amatch)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
226 assert matchlen == (bend - bmatch)
5081
ea7b982b6c08 Remove trailing spaces
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4408
diff changeset
227
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
228 len_a = amatch - ia
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
229 len_b = bmatch - ib
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
230 len_base = zmatch - iz
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
231 assert len_a >= 0
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
232 assert len_b >= 0
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
233 assert len_base >= 0
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
234
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
235 #print 'unmatched a=%d, b=%d' % (len_a, len_b)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
236
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
237 if len_a or len_b:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
238 # try to avoid actually slicing the lists
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
239 equal_a = compare_range(self.a, ia, amatch,
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
240 self.base, iz, zmatch)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
241 equal_b = compare_range(self.b, ib, bmatch,
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
242 self.base, iz, zmatch)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
243 same = compare_range(self.a, ia, amatch,
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
244 self.b, ib, bmatch)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
245
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
246 if same:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
247 yield 'same', ia, amatch
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
248 elif equal_a and not equal_b:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
249 yield 'b', ib, bmatch
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
250 elif equal_b and not equal_a:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
251 yield 'a', ia, amatch
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
252 elif not equal_a and not equal_b:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
253 yield 'conflict', iz, zmatch, ia, amatch, ib, bmatch
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
254 else:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
255 raise AssertionError("can't handle a=b=base but unmatched")
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
256
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
257 ia = amatch
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
258 ib = bmatch
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
259 iz = zmatch
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
260
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
261 # if the same part of the base was deleted on both sides
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
262 # that's OK, we can just skip it.
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
263
5081
ea7b982b6c08 Remove trailing spaces
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4408
diff changeset
264
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
265 if matchlen > 0:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
266 assert ia == amatch
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
267 assert ib == bmatch
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
268 assert iz == zmatch
5081
ea7b982b6c08 Remove trailing spaces
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4408
diff changeset
269
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
270 yield 'unchanged', zmatch, zend
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
271 iz = zend
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
272 ia = aend
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
273 ib = bend
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274
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275 def minimize(self, merge_regions):
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276 """Trim conflict regions of lines where A and B sides match.
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277
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318a24b52eeb spelling: fixes of non-dictionary words
Mads Kiilerich <madski@unity3d.com>
parents: 30323
diff changeset
278 Lines where both A and B have made the same changes at the beginning
28071
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279 or the end of each merge region are eliminated from the conflict
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280 region and are instead considered the same.
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281 """
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Ryan McElroy <rmcelroy@fb.com>
parents: 28070
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282 for region in merge_regions:
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283 if region[0] != "conflict":
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284 yield region
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285 continue
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286 issue, z1, z2, a1, a2, b1, b2 = region
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287 alen = a2 - a1
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288 blen = b2 - b1
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289
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290 # find matches at the front
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291 ii = 0
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292 while ii < alen and ii < blen and \
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diff changeset
293 self.a[a1 + ii] == self.b[b1 + ii]:
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294 ii += 1
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295 startmatches = ii
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296
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297 # find matches at the end
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298 ii = 0
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299 while ii < alen and ii < blen and \
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300 self.a[a2 - ii - 1] == self.b[b2 - ii - 1]:
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301 ii += 1
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parents: 28070
diff changeset
302 endmatches = ii
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Ryan McElroy <rmcelroy@fb.com>
parents: 28070
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303
261324dd5f5b merge: introduce method to minimize merge regions
Ryan McElroy <rmcelroy@fb.com>
parents: 28070
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304 if startmatches > 0:
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Ryan McElroy <rmcelroy@fb.com>
parents: 28070
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305 yield 'same', a1, a1 + startmatches
261324dd5f5b merge: introduce method to minimize merge regions
Ryan McElroy <rmcelroy@fb.com>
parents: 28070
diff changeset
306
261324dd5f5b merge: introduce method to minimize merge regions
Ryan McElroy <rmcelroy@fb.com>
parents: 28070
diff changeset
307 yield ('conflict', z1, z2,
261324dd5f5b merge: introduce method to minimize merge regions
Ryan McElroy <rmcelroy@fb.com>
parents: 28070
diff changeset
308 a1 + startmatches, a2 - endmatches,
261324dd5f5b merge: introduce method to minimize merge regions
Ryan McElroy <rmcelroy@fb.com>
parents: 28070
diff changeset
309 b1 + startmatches, b2 - endmatches)
261324dd5f5b merge: introduce method to minimize merge regions
Ryan McElroy <rmcelroy@fb.com>
parents: 28070
diff changeset
310
261324dd5f5b merge: introduce method to minimize merge regions
Ryan McElroy <rmcelroy@fb.com>
parents: 28070
diff changeset
311 if endmatches > 0:
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Ryan McElroy <rmcelroy@fb.com>
parents: 28070
diff changeset
312 yield 'same', a2 - endmatches, a2
261324dd5f5b merge: introduce method to minimize merge regions
Ryan McElroy <rmcelroy@fb.com>
parents: 28070
diff changeset
313
4362
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
314 def find_sync_regions(self):
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14329
diff changeset
315 """Return a list of sync regions, where both descendants match the base.
4362
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parents:
diff changeset
316
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parents:
diff changeset
317 Generates a list of (base1, base2, a1, a2, b1, b2). There is
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
318 always a zero-length sync region at the end of all the files.
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
319 """
465b9ea02868 Import 3-way merge code from bzr
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parents:
diff changeset
320
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
321 ia = ib = 0
4363
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
diff changeset
322 amatches = mdiff.get_matching_blocks(self.basetext, self.atext)
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
diff changeset
323 bmatches = mdiff.get_matching_blocks(self.basetext, self.btext)
4362
465b9ea02868 Import 3-way merge code from bzr
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parents:
diff changeset
324 len_a = len(amatches)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
325 len_b = len(bmatches)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
326
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
327 sl = []
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
328
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
329 while ia < len_a and ib < len_b:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
330 abase, amatch, alen = amatches[ia]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
331 bbase, bmatch, blen = bmatches[ib]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
332
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
333 # there is an unconflicted block at i; how long does it
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
334 # extend? until whichever one ends earlier.
10282
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 8312
diff changeset
335 i = intersect((abase, abase + alen), (bbase, bbase + blen))
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
336 if i:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
337 intbase = i[0]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
338 intend = i[1]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
339 intlen = intend - intbase
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
340
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
341 # found a match of base[i[0], i[1]]; this may be less than
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
342 # the region that matches in either one
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
343 assert intlen <= alen
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
344 assert intlen <= blen
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
345 assert abase <= intbase
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
346 assert bbase <= intbase
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
347
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
348 asub = amatch + (intbase - abase)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
349 bsub = bmatch + (intbase - bbase)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
350 aend = asub + intlen
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
351 bend = bsub + intlen
465b9ea02868 Import 3-way merge code from bzr
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parents:
diff changeset
352
465b9ea02868 Import 3-way merge code from bzr
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parents:
diff changeset
353 assert self.base[intbase:intend] == self.a[asub:aend], \
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
354 (self.base[intbase:intend], self.a[asub:aend])
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
355
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
356 assert self.base[intbase:intend] == self.b[bsub:bend]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
357
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
358 sl.append((intbase, intend,
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
359 asub, aend,
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
360 bsub, bend))
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
361
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
362 # advance whichever one ends first in the base text
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
363 if (abase + alen) < (bbase + blen):
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
364 ia += 1
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
365 else:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
366 ib += 1
5081
ea7b982b6c08 Remove trailing spaces
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4408
diff changeset
367
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
368 intbase = len(self.base)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
369 abase = len(self.a)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
370 bbase = len(self.b)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
371 sl.append((intbase, intbase, abase, abase, bbase, bbase))
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
372
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
373 return sl
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
374
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
375 def find_unconflicted(self):
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
376 """Return a list of ranges in base that are not conflicted."""
4363
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
diff changeset
377 am = mdiff.get_matching_blocks(self.basetext, self.atext)
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
diff changeset
378 bm = mdiff.get_matching_blocks(self.basetext, self.btext)
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
379
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
380 unc = []
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
381
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
382 while am and bm:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
383 # there is an unconflicted block at i; how long does it
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
384 # extend? until whichever one ends earlier.
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
385 a1 = am[0][0]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
386 a2 = a1 + am[0][2]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
387 b1 = bm[0][0]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
388 b2 = b1 + bm[0][2]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
389 i = intersect((a1, a2), (b1, b2))
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
390 if i:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
391 unc.append(i)
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
392
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
393 if a2 < b2:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
394 del am[0]
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
395 else:
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
396 del bm[0]
5081
ea7b982b6c08 Remove trailing spaces
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4408
diff changeset
397
4362
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
398 return unc
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
399
33825
de573184686e simplemerge: extract verifytext as a helper function
Phil Cohen <phillco@fb.com>
parents: 33017
diff changeset
400 def _verifytext(text, path, ui, opts):
de573184686e simplemerge: extract verifytext as a helper function
Phil Cohen <phillco@fb.com>
parents: 33017
diff changeset
401 """verifies that text is non-binary (unless opts[text] is passed,
de573184686e simplemerge: extract verifytext as a helper function
Phil Cohen <phillco@fb.com>
parents: 33017
diff changeset
402 then we just warn)"""
37084
f0b6fbea00cf stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents: 35368
diff changeset
403 if stringutil.binary(text):
33825
de573184686e simplemerge: extract verifytext as a helper function
Phil Cohen <phillco@fb.com>
parents: 33017
diff changeset
404 msg = _("%s looks like a binary file.") % path
de573184686e simplemerge: extract verifytext as a helper function
Phil Cohen <phillco@fb.com>
parents: 33017
diff changeset
405 if not opts.get('quiet'):
de573184686e simplemerge: extract verifytext as a helper function
Phil Cohen <phillco@fb.com>
parents: 33017
diff changeset
406 ui.warn(_('warning: %s\n') % msg)
de573184686e simplemerge: extract verifytext as a helper function
Phil Cohen <phillco@fb.com>
parents: 33017
diff changeset
407 if not opts.get('text'):
de573184686e simplemerge: extract verifytext as a helper function
Phil Cohen <phillco@fb.com>
parents: 33017
diff changeset
408 raise error.Abort(msg)
de573184686e simplemerge: extract verifytext as a helper function
Phil Cohen <phillco@fb.com>
parents: 33017
diff changeset
409 return text
de573184686e simplemerge: extract verifytext as a helper function
Phil Cohen <phillco@fb.com>
parents: 33017
diff changeset
410
33830
aa6c290a77fa filemerge: extract `_picklabels` as a helper function
Phil Cohen <phillco@fb.com>
parents: 33829
diff changeset
411 def _picklabels(defaults, overrides):
aa6c290a77fa filemerge: extract `_picklabels` as a helper function
Phil Cohen <phillco@fb.com>
parents: 33829
diff changeset
412 if len(overrides) > 3:
aa6c290a77fa filemerge: extract `_picklabels` as a helper function
Phil Cohen <phillco@fb.com>
parents: 33829
diff changeset
413 raise error.Abort(_("can only specify three labels."))
33933
39d253d088a9 simplemerge: refactor _picklabels to be more compact
Phil Cohen <phillco@fb.com>
parents: 33932
diff changeset
414 result = defaults[:]
39d253d088a9 simplemerge: refactor _picklabels to be more compact
Phil Cohen <phillco@fb.com>
parents: 33932
diff changeset
415 for i, override in enumerate(overrides):
39d253d088a9 simplemerge: refactor _picklabels to be more compact
Phil Cohen <phillco@fb.com>
parents: 33932
diff changeset
416 result[i] = override
39d253d088a9 simplemerge: refactor _picklabels to be more compact
Phil Cohen <phillco@fb.com>
parents: 33932
diff changeset
417 return result
33830
aa6c290a77fa filemerge: extract `_picklabels` as a helper function
Phil Cohen <phillco@fb.com>
parents: 33829
diff changeset
418
34049
6330df9d6393 simplemerge: remove unused `repo` parameter
Phil Cohen <phillco@fb.com>
parents: 33933
diff changeset
419 def simplemerge(ui, localctx, basectx, otherctx, **opts):
33828
8b91a4ff23ad simplemerge: use contexts to read file data from, if passed
Phil Cohen <phillco@fb.com>
parents: 33826
diff changeset
420 """Performs the simplemerge algorithm.
8b91a4ff23ad simplemerge: use contexts to read file data from, if passed
Phil Cohen <phillco@fb.com>
parents: 33826
diff changeset
421
33907
1ad3085239ad simplemerge: make context parameters non-optional
Phil Cohen <phillco@fb.com>
parents: 33906
diff changeset
422 The merged result is written into `localctx`.
33905
61b267a99fea simplemerge: stop reading from, and writing to, files
Phil Cohen <phillco@fb.com>
parents: 33904
diff changeset
423 """
35368
93c4958d987c py3: handle keyword arguments correctly in simplemerge.py
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34049
diff changeset
424 opts = pycompat.byteskwargs(opts)
93c4958d987c py3: handle keyword arguments correctly in simplemerge.py
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34049
diff changeset
425
33828
8b91a4ff23ad simplemerge: use contexts to read file data from, if passed
Phil Cohen <phillco@fb.com>
parents: 33826
diff changeset
426 def readctx(ctx):
33902
f39ba8237ed6 simplemerge: use `ctx.decoddeddata()` instead of `repo.wreaddata`
Phil Cohen <phillco@fb.com>
parents: 33830
diff changeset
427 # Merges were always run in the working copy before, which means
f39ba8237ed6 simplemerge: use `ctx.decoddeddata()` instead of `repo.wreaddata`
Phil Cohen <phillco@fb.com>
parents: 33830
diff changeset
428 # they used decoded data, if the user defined any repository
f39ba8237ed6 simplemerge: use `ctx.decoddeddata()` instead of `repo.wreaddata`
Phil Cohen <phillco@fb.com>
parents: 33830
diff changeset
429 # filters.
f39ba8237ed6 simplemerge: use `ctx.decoddeddata()` instead of `repo.wreaddata`
Phil Cohen <phillco@fb.com>
parents: 33830
diff changeset
430 #
f39ba8237ed6 simplemerge: use `ctx.decoddeddata()` instead of `repo.wreaddata`
Phil Cohen <phillco@fb.com>
parents: 33830
diff changeset
431 # Maintain that behavior today for BC, though perhaps in the future
f39ba8237ed6 simplemerge: use `ctx.decoddeddata()` instead of `repo.wreaddata`
Phil Cohen <phillco@fb.com>
parents: 33830
diff changeset
432 # it'd be worth considering whether merging encoded data (what the
f39ba8237ed6 simplemerge: use `ctx.decoddeddata()` instead of `repo.wreaddata`
Phil Cohen <phillco@fb.com>
parents: 33830
diff changeset
433 # repository usually sees) might be more useful.
f39ba8237ed6 simplemerge: use `ctx.decoddeddata()` instead of `repo.wreaddata`
Phil Cohen <phillco@fb.com>
parents: 33830
diff changeset
434 return _verifytext(ctx.decodeddata(), ctx.path(), ui, opts)
33828
8b91a4ff23ad simplemerge: use contexts to read file data from, if passed
Phil Cohen <phillco@fb.com>
parents: 33826
diff changeset
435
26069
09d6725cbc60 simplemerge: add 'mode' kwarg which - when 'union' - suppresses markers
Erik Huelsmann <ehuels@gmail.com>
parents: 25974
diff changeset
436 mode = opts.get('mode','merge')
33830
aa6c290a77fa filemerge: extract `_picklabels` as a helper function
Phil Cohen <phillco@fb.com>
parents: 33829
diff changeset
437 name_a, name_b, name_base = None, None, None
aa6c290a77fa filemerge: extract `_picklabels` as a helper function
Phil Cohen <phillco@fb.com>
parents: 33829
diff changeset
438 if mode != 'union':
33904
1915a5e809ca simplemerge: use context paths for default labels instead of file paths
Phil Cohen <phillco@fb.com>
parents: 33902
diff changeset
439 name_a, name_b, name_base = _picklabels([localctx.path(),
1915a5e809ca simplemerge: use context paths for default labels instead of file paths
Phil Cohen <phillco@fb.com>
parents: 33902
diff changeset
440 otherctx.path(), None],
33830
aa6c290a77fa filemerge: extract `_picklabels` as a helper function
Phil Cohen <phillco@fb.com>
parents: 33829
diff changeset
441 opts.get('label', []))
4364
d5c3a70f8422 polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4363
diff changeset
442
14328
3c65cdcf3ba6 simplemerge: do not allow binary files to abort an entire merge
Steve Borho <steve@borho.org>
parents: 12401
diff changeset
443 try:
33905
61b267a99fea simplemerge: stop reading from, and writing to, files
Phil Cohen <phillco@fb.com>
parents: 33904
diff changeset
444 localtext = readctx(localctx)
61b267a99fea simplemerge: stop reading from, and writing to, files
Phil Cohen <phillco@fb.com>
parents: 33904
diff changeset
445 basetext = readctx(basectx)
61b267a99fea simplemerge: stop reading from, and writing to, files
Phil Cohen <phillco@fb.com>
parents: 33904
diff changeset
446 othertext = readctx(otherctx)
26587
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26223
diff changeset
447 except error.Abort:
14328
3c65cdcf3ba6 simplemerge: do not allow binary files to abort an entire merge
Steve Borho <steve@borho.org>
parents: 12401
diff changeset
448 return 1
4364
d5c3a70f8422 polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4363
diff changeset
449
d5c3a70f8422 polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4363
diff changeset
450 m3 = Merge3Text(basetext, localtext, othertext)
28072
c3e9269d9602 merge: minimize conflicts when common base is not shown (issue4447)
Ryan McElroy <rmcelroy@fb.com>
parents: 28071
diff changeset
451 extrakwargs = {
c3e9269d9602 merge: minimize conflicts when common base is not shown (issue4447)
Ryan McElroy <rmcelroy@fb.com>
parents: 28071
diff changeset
452 "localorother": opts.get("localorother", None),
c3e9269d9602 merge: minimize conflicts when common base is not shown (issue4447)
Ryan McElroy <rmcelroy@fb.com>
parents: 28071
diff changeset
453 'minimize': True,
c3e9269d9602 merge: minimize conflicts when common base is not shown (issue4447)
Ryan McElroy <rmcelroy@fb.com>
parents: 28071
diff changeset
454 }
26069
09d6725cbc60 simplemerge: add 'mode' kwarg which - when 'union' - suppresses markers
Erik Huelsmann <ehuels@gmail.com>
parents: 25974
diff changeset
455 if mode == 'union':
09d6725cbc60 simplemerge: add 'mode' kwarg which - when 'union' - suppresses markers
Erik Huelsmann <ehuels@gmail.com>
parents: 25974
diff changeset
456 extrakwargs['start_marker'] = None
09d6725cbc60 simplemerge: add 'mode' kwarg which - when 'union' - suppresses markers
Erik Huelsmann <ehuels@gmail.com>
parents: 25974
diff changeset
457 extrakwargs['mid_marker'] = None
09d6725cbc60 simplemerge: add 'mode' kwarg which - when 'union' - suppresses markers
Erik Huelsmann <ehuels@gmail.com>
parents: 25974
diff changeset
458 extrakwargs['end_marker'] = None
09d6725cbc60 simplemerge: add 'mode' kwarg which - when 'union' - suppresses markers
Erik Huelsmann <ehuels@gmail.com>
parents: 25974
diff changeset
459 elif name_base is not None:
22024
372ae2745acf simplemerge: support three labels when merging
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22023
diff changeset
460 extrakwargs['base_marker'] = '|||||||'
372ae2745acf simplemerge: support three labels when merging
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22023
diff changeset
461 extrakwargs['name_base'] = name_base
28072
c3e9269d9602 merge: minimize conflicts when common base is not shown (issue4447)
Ryan McElroy <rmcelroy@fb.com>
parents: 28071
diff changeset
462 extrakwargs['minimize'] = False
33908
4074de97b512 simplemerge: simplify code now that we always write to a context
Phil Cohen <phillco@fb.com>
parents: 33907
diff changeset
463
4074de97b512 simplemerge: simplify code now that we always write to a context
Phil Cohen <phillco@fb.com>
parents: 33907
diff changeset
464 mergedtext = ""
33017
c31d45623304 py3: convert kwargs' keys' to str using pycompat.strkwargs()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 31238
diff changeset
465 for line in m3.merge_lines(name_a=name_a, name_b=name_b,
c31d45623304 py3: convert kwargs' keys' to str using pycompat.strkwargs()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 31238
diff changeset
466 **pycompat.strkwargs(extrakwargs)):
33908
4074de97b512 simplemerge: simplify code now that we always write to a context
Phil Cohen <phillco@fb.com>
parents: 33907
diff changeset
467 if opts.get('print'):
4074de97b512 simplemerge: simplify code now that we always write to a context
Phil Cohen <phillco@fb.com>
parents: 33907
diff changeset
468 ui.fout.write(line)
4074de97b512 simplemerge: simplify code now that we always write to a context
Phil Cohen <phillco@fb.com>
parents: 33907
diff changeset
469 else:
4074de97b512 simplemerge: simplify code now that we always write to a context
Phil Cohen <phillco@fb.com>
parents: 33907
diff changeset
470 mergedtext += line
4364
d5c3a70f8422 polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4363
diff changeset
471
d5c3a70f8422 polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4363
diff changeset
472 if not opts.get('print'):
33908
4074de97b512 simplemerge: simplify code now that we always write to a context
Phil Cohen <phillco@fb.com>
parents: 33907
diff changeset
473 localctx.write(mergedtext, localctx.flags())
4364
d5c3a70f8422 polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4363
diff changeset
474
26069
09d6725cbc60 simplemerge: add 'mode' kwarg which - when 'union' - suppresses markers
Erik Huelsmann <ehuels@gmail.com>
parents: 25974
diff changeset
475 if m3.conflicts and not mode == 'union':
4364
d5c3a70f8422 polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4363
diff changeset
476 return 1