author | Matt Mackall <mpm@selenic.com> |
Sat, 21 Jul 2007 16:02:10 -0500 | |
changeset 4959 | 97b734fb9c6f |
parent 4406 | 1ef4445c6506 |
child 5115 | ea7b982b6c08 |
permissions | -rwxr-xr-x |
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#!/usr/bin/env python |
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# Copyright (C) 2004, 2005 Canonical Ltd |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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|
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# mbp: "you know that thing where cvs gives you conflict markers?" |
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# s: "i hate that." |
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|
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from mercurial import demandimport |
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demandimport.enable() |
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from mercurial import util, mdiff, fancyopts |
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from mercurial.i18n import _ |
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class CantReprocessAndShowBase(Exception): |
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pass |
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def warn(message): |
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sys.stdout.flush() |
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sys.stderr.write(message) |
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sys.stderr.flush() |
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|
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def intersect(ra, rb): |
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"""Given two ranges return the range where they intersect or None. |
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>>> intersect((0, 10), (0, 6)) |
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(0, 6) |
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>>> intersect((0, 10), (5, 15)) |
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(5, 10) |
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>>> intersect((0, 10), (10, 15)) |
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>>> intersect((0, 9), (10, 15)) |
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>>> intersect((0, 9), (7, 15)) |
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(7, 9) |
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""" |
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assert ra[0] <= ra[1] |
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assert rb[0] <= rb[1] |
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sa = max(ra[0], rb[0]) |
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sb = min(ra[1], rb[1]) |
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if sa < sb: |
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return sa, sb |
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else: |
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return None |
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def compare_range(a, astart, aend, b, bstart, bend): |
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"""Compare a[astart:aend] == b[bstart:bend], without slicing. |
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""" |
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if (aend-astart) != (bend-bstart): |
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return False |
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for ia, ib in zip(xrange(astart, aend), xrange(bstart, bend)): |
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if a[ia] != b[ib]: |
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return False |
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else: |
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return True |
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class Merge3Text(object): |
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"""3-way merge of texts. |
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Given strings BASE, OTHER, THIS, tries to produce a combined text |
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incorporating the changes from both BASE->OTHER and BASE->THIS.""" |
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def __init__(self, basetext, atext, btext, base=None, a=None, b=None): |
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self.basetext = basetext |
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self.atext = atext |
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self.btext = btext |
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if base is None: |
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base = mdiff.splitnewlines(basetext) |
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if a is None: |
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a = mdiff.splitnewlines(atext) |
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if b is None: |
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b = mdiff.splitnewlines(btext) |
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self.base = base |
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self.a = a |
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self.b = b |
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def merge_lines(self, |
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name_a=None, |
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name_b=None, |
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name_base=None, |
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start_marker='<<<<<<<', |
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mid_marker='=======', |
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end_marker='>>>>>>>', |
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base_marker=None, |
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reprocess=False): |
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"""Return merge in cvs-like form. |
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""" |
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self.conflicts = False |
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newline = '\n' |
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if len(self.a) > 0: |
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if self.a[0].endswith('\r\n'): |
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newline = '\r\n' |
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elif self.a[0].endswith('\r'): |
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newline = '\r' |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
115 |
if base_marker and reprocess: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
116 |
raise CantReprocessAndShowBase() |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
117 |
if name_a: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
118 |
start_marker = start_marker + ' ' + name_a |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
119 |
if name_b: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
120 |
end_marker = end_marker + ' ' + name_b |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
121 |
if name_base and base_marker: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
122 |
base_marker = base_marker + ' ' + name_base |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
123 |
merge_regions = self.merge_regions() |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
124 |
if reprocess is True: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
125 |
merge_regions = self.reprocess_merge_regions(merge_regions) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
126 |
for t in merge_regions: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
127 |
what = t[0] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
128 |
if what == 'unchanged': |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
129 |
for i in range(t[1], t[2]): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
130 |
yield self.base[i] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
131 |
elif what == 'a' or what == 'same': |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
132 |
for i in range(t[1], t[2]): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
133 |
yield self.a[i] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
134 |
elif what == 'b': |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
135 |
for i in range(t[1], t[2]): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
136 |
yield self.b[i] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
137 |
elif what == 'conflict': |
4360
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
138 |
self.conflicts = True |
4358
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
139 |
yield start_marker + newline |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
140 |
for i in range(t[3], t[4]): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
141 |
yield self.a[i] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
142 |
if base_marker is not None: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
143 |
yield base_marker + newline |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
144 |
for i in range(t[1], t[2]): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
145 |
yield self.base[i] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
146 |
yield mid_marker + newline |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
147 |
for i in range(t[5], t[6]): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
148 |
yield self.b[i] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
149 |
yield end_marker + newline |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
150 |
else: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
151 |
raise ValueError(what) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
152 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
153 |
|
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 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
156 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
157 |
def merge_annotated(self): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
158 |
"""Return merge with conflicts, showing origin of lines. |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
159 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
160 |
Most useful for debugging merge. |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
161 |
""" |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
162 |
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
|
163 |
what = t[0] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
164 |
if what == 'unchanged': |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
165 |
for i in range(t[1], t[2]): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
166 |
yield 'u | ' + self.base[i] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
167 |
elif what == 'a' or what == 'same': |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
168 |
for i in range(t[1], t[2]): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
169 |
yield what[0] + ' | ' + self.a[i] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
170 |
elif what == 'b': |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
171 |
for i in range(t[1], t[2]): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
172 |
yield 'b | ' + self.b[i] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
173 |
elif what == 'conflict': |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
174 |
yield '<<<<\n' |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
175 |
for i in range(t[3], t[4]): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
176 |
yield 'A | ' + self.a[i] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
177 |
yield '----\n' |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
178 |
for i in range(t[5], t[6]): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
179 |
yield 'B | ' + self.b[i] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
180 |
yield '>>>>\n' |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
181 |
else: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
182 |
raise ValueError(what) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
183 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
184 |
|
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 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
187 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
188 |
def merge_groups(self): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
189 |
"""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
|
190 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
191 |
'unchanged', lines |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
192 |
Lines unchanged from base |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
193 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
194 |
'a', lines |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
195 |
Lines taken from a |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
196 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
197 |
'same', lines |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
198 |
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
|
199 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
200 |
'b', lines |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
201 |
Lines taken from b |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
202 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
203 |
'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
|
204 |
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
|
205 |
""" |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
206 |
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
|
207 |
what = t[0] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
208 |
if what == 'unchanged': |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
209 |
yield what, 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
|
210 |
elif what == 'a' or what == 'same': |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
211 |
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
|
212 |
elif what == 'b': |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
213 |
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
|
214 |
elif what == 'conflict': |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
215 |
yield (what, |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
216 |
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
|
217 |
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
|
218 |
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
|
219 |
else: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
220 |
raise ValueError(what) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
221 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
222 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
223 |
def merge_regions(self): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
224 |
"""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
|
225 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
226 |
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
|
227 |
have: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
228 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
229 |
'unchanged', start, end |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
230 |
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
|
231 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
232 |
'same', astart, aend |
465b9ea02868
Import 3-way merge code from bzr
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|
233 |
b and a are different from base but give the same result |
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Import 3-way merge code from bzr
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parents:
diff
changeset
|
234 |
|
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Import 3-way merge code from bzr
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parents:
diff
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|
235 |
'a', start, end |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
236 |
Non-clashing insertion from a[start:end] |
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Import 3-way merge code from bzr
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parents:
diff
changeset
|
237 |
|
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
238 |
Method is as follows: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
239 |
|
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
240 |
The two sequences align only on regions which match the base |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
241 |
and both descendents. These are found by doing a two-way diff |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
242 |
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
|
243 |
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
|
244 |
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
|
245 |
|
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
246 |
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
|
247 |
conflicted, or changed on only one side. |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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|
248 |
""" |
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Import 3-way merge code from bzr
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parents:
diff
changeset
|
249 |
|
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
250 |
# 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
|
251 |
iz = ia = ib = 0 |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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changeset
|
252 |
|
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
253 |
for zmatch, zend, amatch, aend, bmatch, bend in self.find_sync_regions(): |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
254 |
#print 'match base [%d:%d]' % (zmatch, zend) |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
255 |
|
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
256 |
matchlen = zend - zmatch |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
257 |
assert matchlen >= 0 |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
258 |
assert matchlen == (aend - amatch) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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|
259 |
assert matchlen == (bend - bmatch) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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|
260 |
|
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
261 |
len_a = amatch - ia |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
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|
262 |
len_b = bmatch - ib |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
263 |
len_base = zmatch - iz |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
264 |
assert len_a >= 0 |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
265 |
assert len_b >= 0 |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
266 |
assert len_base >= 0 |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
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|
267 |
|
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
268 |
#print 'unmatched a=%d, b=%d' % (len_a, len_b) |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
269 |
|
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
270 |
if len_a or len_b: |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
271 |
# try to avoid actually slicing the lists |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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|
272 |
equal_a = compare_range(self.a, ia, amatch, |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
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|
273 |
self.base, iz, zmatch) |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
274 |
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
|
275 |
self.base, iz, zmatch) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
276 |
same = compare_range(self.a, ia, amatch, |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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|
277 |
self.b, ib, bmatch) |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
278 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
279 |
if same: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
280 |
yield 'same', ia, amatch |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
281 |
elif equal_a and not equal_b: |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
282 |
yield 'b', ib, bmatch |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
283 |
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
|
284 |
yield 'a', ia, amatch |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
285 |
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
|
286 |
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
|
287 |
else: |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
288 |
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
|
289 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
290 |
ia = amatch |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
291 |
ib = bmatch |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
292 |
iz = zmatch |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
293 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
294 |
# 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
|
295 |
# 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
|
296 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
297 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
298 |
if matchlen > 0: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
299 |
assert ia == amatch |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
300 |
assert ib == bmatch |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
301 |
assert iz == zmatch |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
302 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
303 |
yield 'unchanged', zmatch, zend |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
304 |
iz = zend |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
305 |
ia = aend |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
306 |
ib = bend |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
307 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
308 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
309 |
def reprocess_merge_regions(self, merge_regions): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
310 |
"""Where there are conflict regions, remove the agreed lines. |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
311 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
312 |
Lines where both A and B have made the same changes are |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
313 |
eliminated. |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
314 |
""" |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
315 |
for region in merge_regions: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
316 |
if region[0] != "conflict": |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
317 |
yield region |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
318 |
continue |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
319 |
type, iz, zmatch, ia, amatch, ib, bmatch = region |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
320 |
a_region = self.a[ia:amatch] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
321 |
b_region = self.b[ib:bmatch] |
4359
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
322 |
matches = mdiff.get_matching_blocks(''.join(a_region), |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
323 |
''.join(b_region)) |
4358
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
324 |
next_a = ia |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
325 |
next_b = ib |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
326 |
for region_ia, region_ib, region_len in matches[:-1]: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
327 |
region_ia += ia |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
328 |
region_ib += ib |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
329 |
reg = self.mismatch_region(next_a, region_ia, next_b, |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
330 |
region_ib) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
331 |
if reg is not None: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
332 |
yield reg |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
333 |
yield 'same', region_ia, region_len+region_ia |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
334 |
next_a = region_ia + region_len |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
335 |
next_b = region_ib + region_len |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
336 |
reg = self.mismatch_region(next_a, amatch, next_b, bmatch) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
337 |
if reg is not None: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
338 |
yield reg |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
339 |
|
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 |
def mismatch_region(next_a, region_ia, next_b, region_ib): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
342 |
if next_a < region_ia or next_b < region_ib: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
343 |
return 'conflict', None, None, next_a, region_ia, next_b, region_ib |
4359
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
344 |
mismatch_region = staticmethod(mismatch_region) |
4358
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
345 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
346 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
347 |
def find_sync_regions(self): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
348 |
"""Return a list of sync regions, where both descendents match the base. |
465b9ea02868
Import 3-way merge code from bzr
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parents:
diff
changeset
|
349 |
|
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Import 3-way merge code from bzr
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parents:
diff
changeset
|
350 |
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
|
351 |
always a zero-length sync region at the end of all the files. |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
352 |
""" |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
353 |
|
465b9ea02868
Import 3-way merge code from bzr
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parents:
diff
changeset
|
354 |
ia = ib = 0 |
4359
2e3c54fb79a3
actually port simplemerge to hg
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parents:
4358
diff
changeset
|
355 |
amatches = mdiff.get_matching_blocks(self.basetext, self.atext) |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
356 |
bmatches = mdiff.get_matching_blocks(self.basetext, self.btext) |
4358
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
357 |
len_a = len(amatches) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
358 |
len_b = len(bmatches) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
359 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
360 |
sl = [] |
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 |
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
|
363 |
abase, amatch, alen = amatches[ia] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
364 |
bbase, bmatch, blen = bmatches[ib] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
365 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
366 |
# 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
|
367 |
# 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
|
368 |
i = intersect((abase, abase+alen), (bbase, bbase+blen)) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
369 |
if i: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
370 |
intbase = i[0] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
371 |
intend = i[1] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
372 |
intlen = intend - intbase |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
373 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
374 |
# 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
|
375 |
# 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
|
376 |
assert intlen <= alen |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
377 |
assert intlen <= blen |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
378 |
assert abase <= intbase |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
379 |
assert bbase <= intbase |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
380 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
381 |
asub = amatch + (intbase - abase) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
382 |
bsub = bmatch + (intbase - bbase) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
383 |
aend = asub + intlen |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
384 |
bend = bsub + intlen |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
385 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
386 |
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
|
387 |
(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
|
388 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
389 |
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
|
390 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
391 |
sl.append((intbase, intend, |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
392 |
asub, aend, |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
393 |
bsub, bend)) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
394 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
395 |
# 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
|
396 |
if (abase + alen) < (bbase + blen): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
397 |
ia += 1 |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
398 |
else: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
399 |
ib += 1 |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
400 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
401 |
intbase = len(self.base) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
402 |
abase = len(self.a) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
403 |
bbase = len(self.b) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
404 |
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
|
405 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
406 |
return sl |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
407 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
408 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
409 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
410 |
def find_unconflicted(self): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
411 |
"""Return a list of ranges in base that are not conflicted.""" |
4359
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
412 |
am = mdiff.get_matching_blocks(self.basetext, self.atext) |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
413 |
bm = mdiff.get_matching_blocks(self.basetext, self.btext) |
4358
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
414 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
415 |
unc = [] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
416 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
417 |
while am and bm: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
418 |
# 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
|
419 |
# 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
|
420 |
a1 = am[0][0] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
421 |
a2 = a1 + am[0][2] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
422 |
b1 = bm[0][0] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
423 |
b2 = b1 + bm[0][2] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
424 |
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
|
425 |
if i: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
426 |
unc.append(i) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
427 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
428 |
if a2 < b2: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
429 |
del am[0] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
430 |
else: |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
431 |
del bm[0] |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
432 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
433 |
return unc |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
434 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
435 |
|
4359
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
436 |
# bzr compatible interface, for the tests |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
437 |
class Merge3(Merge3Text): |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
438 |
"""3-way merge of texts. |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
439 |
|
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
440 |
Given BASE, OTHER, THIS, tries to produce a combined text |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
441 |
incorporating the changes from both BASE->OTHER and BASE->THIS. |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
442 |
All three will typically be sequences of lines.""" |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
443 |
def __init__(self, base, a, b): |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
444 |
basetext = '\n'.join([i.strip('\n') for i in base] + ['']) |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
445 |
atext = '\n'.join([i.strip('\n') for i in a] + ['']) |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
446 |
btext = '\n'.join([i.strip('\n') for i in b] + ['']) |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
447 |
if util.binary(basetext) or util.binary(atext) or util.binary(btext): |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
448 |
raise util.Abort(_("don't know how to merge binary files")) |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
449 |
Merge3Text.__init__(self, basetext, atext, btext, base, a, b) |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
450 |
|
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
451 |
|
4360
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
452 |
def simplemerge(local, base, other, **opts): |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
453 |
def readfile(filename): |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
454 |
f = open(filename, "rb") |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
455 |
text = f.read() |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
456 |
f.close() |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
457 |
if util.binary(text): |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
458 |
msg = _("%s looks like a binary file.") % filename |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
459 |
if not opts.get('text'): |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
460 |
raise util.Abort(msg) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
461 |
elif not opts.get('quiet'): |
4406
1ef4445c6506
simplemerge: flush stdout before writing to stderr.
Patrick Mezard <pmezard@gmail.com>
parents:
4360
diff
changeset
|
462 |
warn(_('warning: %s\n') % msg) |
4360
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
463 |
return text |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
464 |
|
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
465 |
name_a = local |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
466 |
name_b = other |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
467 |
labels = opts.get('label', []) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
468 |
if labels: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
469 |
name_a = labels.pop(0) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
470 |
if labels: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
471 |
name_b = labels.pop(0) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
472 |
if labels: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
473 |
raise util.Abort(_("can only specify two labels.")) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
474 |
|
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
475 |
localtext = readfile(local) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
476 |
basetext = readfile(base) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
477 |
othertext = readfile(other) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
478 |
|
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
479 |
orig = local |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
480 |
local = os.path.realpath(local) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
481 |
if not opts.get('print'): |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
482 |
opener = util.opener(os.path.dirname(local)) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
483 |
out = opener(os.path.basename(local), "w", atomictemp=True) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
484 |
else: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
485 |
out = sys.stdout |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
486 |
|
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
487 |
reprocess = not opts.get('no_minimal') |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
488 |
|
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
489 |
m3 = Merge3Text(basetext, localtext, othertext) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
490 |
for line in m3.merge_lines(name_a=name_a, name_b=name_b, |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
491 |
reprocess=reprocess): |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
492 |
out.write(line) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
493 |
|
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
494 |
if not opts.get('print'): |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
495 |
out.rename() |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
496 |
|
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
497 |
if m3.conflicts: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
498 |
if not opts.get('quiet'): |
4406
1ef4445c6506
simplemerge: flush stdout before writing to stderr.
Patrick Mezard <pmezard@gmail.com>
parents:
4360
diff
changeset
|
499 |
warn(_("warning: conflicts during merge.\n")) |
4360
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
500 |
return 1 |
4358
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
501 |
|
4360
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
502 |
options = [('L', 'label', [], _('labels to use on conflict markers')), |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
503 |
('a', 'text', None, _('treat all files as text')), |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
504 |
('p', 'print', None, |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
505 |
_('print results instead of overwriting LOCAL')), |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
506 |
('', 'no-minimal', None, |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
507 |
_('do not try to minimize conflict regions')), |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
508 |
('h', 'help', None, _('display help and exit')), |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
509 |
('q', 'quiet', None, _('suppress output'))] |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
510 |
|
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
511 |
usage = _('''simplemerge [OPTS] LOCAL BASE OTHER |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
512 |
|
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
513 |
Simple three-way file merge utility with a minimal feature set. |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
514 |
|
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
515 |
Apply to LOCAL the changes necessary to go from BASE to OTHER. |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
516 |
|
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
517 |
By default, LOCAL is overwritten with the results of this operation. |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
518 |
''') |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
519 |
|
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
520 |
def showhelp(): |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
521 |
sys.stdout.write(usage) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
522 |
sys.stdout.write('\noptions:\n') |
4358
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
523 |
|
4360
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
524 |
out_opts = [] |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
525 |
for shortopt, longopt, default, desc in options: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
526 |
out_opts.append(('%2s%s' % (shortopt and '-%s' % shortopt, |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
527 |
longopt and ' --%s' % longopt), |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
528 |
'%s' % desc)) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
529 |
opts_len = max([len(opt[0]) for opt in out_opts]) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
530 |
for first, second in out_opts: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
531 |
sys.stdout.write(' %-*s %s\n' % (opts_len, first, second)) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
532 |
|
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
533 |
class ParseError(Exception): |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
534 |
"""Exception raised on errors in parsing the command line.""" |
4358
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
535 |
|
4360
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
536 |
def main(argv): |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
537 |
try: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
538 |
opts = {} |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
539 |
try: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
540 |
args = fancyopts.fancyopts(argv[1:], options, opts) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
541 |
except fancyopts.getopt.GetoptError, e: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
542 |
raise ParseError(e) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
543 |
if opts['help']: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
544 |
showhelp() |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
545 |
return 0 |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
546 |
if len(args) != 3: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
547 |
raise ParseError(_('wrong number of arguments')) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
548 |
return simplemerge(*args, **opts) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
549 |
except ParseError, e: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
550 |
sys.stdout.write("%s: %s\n" % (sys.argv[0], e)) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
551 |
showhelp() |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
552 |
return 1 |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
553 |
except util.Abort, e: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
554 |
sys.stderr.write("abort: %s\n" % e) |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
555 |
return 255 |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
556 |
except KeyboardInterrupt: |
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
557 |
return 255 |
4358
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
558 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
559 |
if __name__ == '__main__': |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
560 |
import sys |
4360
d5c3a70f8422
polish the simplemerge command; add a test
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4359
diff
changeset
|
561 |
import os |
4358
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
562 |
sys.exit(main(sys.argv)) |