Mercurial > hg
annotate mercurial/mdiff.py @ 15621:013688350c7d
bookmarks: update and updatecurrentbookmark return status
This makes bookmarks.update() and bookmarks.updatecurrentbookmark() return
True or False to indicate whether the bookmark was updated or not. This allows
callers to e.g. abort if the update failed.
author | Kevin Bullock <kbullock@ringworld.org> |
---|---|
date | Wed, 16 Nov 2011 15:29:57 -0600 |
parents | eeac5e179243 |
children | d976b1ef6760 |
rev | line source |
---|---|
239
75840796e8e2
mdiff.py: kill #! line, add copyright notice
mpm@selenic.com
parents:
184
diff
changeset
|
1 # mdiff.py - diff and patch routines for mercurial |
75840796e8e2
mdiff.py: kill #! line, add copyright notice
mpm@selenic.com
parents:
184
diff
changeset
|
2 # |
2859 | 3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
239
75840796e8e2
mdiff.py: kill #! line, add copyright notice
mpm@selenic.com
parents:
184
diff
changeset
|
4 # |
8225
46293a0c7e9f
updated license to be explicit about GPL version 2
Martin Geisler <mg@lazybytes.net>
parents:
7436
diff
changeset
|
5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
239
75840796e8e2
mdiff.py: kill #! line, add copyright notice
mpm@selenic.com
parents:
184
diff
changeset
|
7 |
6467
65029a3aafc2
Let --unified default to diff.unified (issue 1076)
Patrick Mezard <pmezard@gmail.com>
parents:
5863
diff
changeset
|
8 from i18n import _ |
8312
b87a50b7125c
separate import lines from mercurial and general python modules
Simon Heimberg <simohe@besonet.ch>
parents:
8225
diff
changeset
|
9 import bdiff, mpatch, util |
b87a50b7125c
separate import lines from mercurial and general python modules
Simon Heimberg <simohe@besonet.ch>
parents:
8225
diff
changeset
|
10 import re, struct |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
11 |
2251
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
12 def splitnewlines(text): |
2248
b914f0557832
fix diffs containing embedded "\r".
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2078
diff
changeset
|
13 '''like str.splitlines, but only split on newlines.''' |
2251
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
14 lines = [l + '\n' for l in text.split('\n')] |
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
15 if lines: |
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
16 if lines[-1] == '\n': |
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
17 lines.pop() |
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
18 else: |
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
19 lines[-1] = lines[-1][:-1] |
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
20 return lines |
2248
b914f0557832
fix diffs containing embedded "\r".
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2078
diff
changeset
|
21 |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
22 class diffopts(object): |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
23 '''context is the number of context lines |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
24 text treats all files as text |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
25 showfunc enables diff -p output |
2907 | 26 git enables the git extended patch format |
3199
096f1c73cdc3
Add -D/--nodates options to hg diff/export that removes dates from diff headers
Stephen Darnell <stephen@darnell.plus.com>
parents:
3026
diff
changeset
|
27 nodates removes dates from diff headers |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
28 ignorews ignores all whitespace changes in the diff |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
29 ignorewsamount ignores changes in the amount of whitespace |
10189
e451e599fbcf
patch: support diff data loss detection and upgrade
Patrick Mezard <pmezard@gmail.com>
parents:
10185
diff
changeset
|
30 ignoreblanklines ignores changes whose lines are all blank |
e451e599fbcf
patch: support diff data loss detection and upgrade
Patrick Mezard <pmezard@gmail.com>
parents:
10185
diff
changeset
|
31 upgrade generates git diffs to avoid data loss |
e451e599fbcf
patch: support diff data loss detection and upgrade
Patrick Mezard <pmezard@gmail.com>
parents:
10185
diff
changeset
|
32 ''' |
396
8f8bb77d560e
Show revisions in diffs like CVS, based on a patch from Goffredo Baroncelli.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
361
diff
changeset
|
33 |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
34 defaults = { |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
35 'context': 3, |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
36 'text': False, |
5863
3d1f9dcecdea
diff: don't show function name by default
Matt Mackall <mpm@selenic.com>
parents:
5482
diff
changeset
|
37 'showfunc': False, |
2907 | 38 'git': False, |
3199
096f1c73cdc3
Add -D/--nodates options to hg diff/export that removes dates from diff headers
Stephen Darnell <stephen@darnell.plus.com>
parents:
3026
diff
changeset
|
39 'nodates': False, |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
40 'ignorews': False, |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
41 'ignorewsamount': False, |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
42 'ignoreblanklines': False, |
10189
e451e599fbcf
patch: support diff data loss detection and upgrade
Patrick Mezard <pmezard@gmail.com>
parents:
10185
diff
changeset
|
43 'upgrade': False, |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
44 } |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
45 |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
46 __slots__ = defaults.keys() |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
47 |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
48 def __init__(self, **opts): |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
49 for k in self.__slots__: |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
50 v = opts.get(k) |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
51 if v is None: |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
52 v = self.defaults[k] |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
53 setattr(self, k, v) |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
54 |
6467
65029a3aafc2
Let --unified default to diff.unified (issue 1076)
Patrick Mezard <pmezard@gmail.com>
parents:
5863
diff
changeset
|
55 try: |
65029a3aafc2
Let --unified default to diff.unified (issue 1076)
Patrick Mezard <pmezard@gmail.com>
parents:
5863
diff
changeset
|
56 self.context = int(self.context) |
65029a3aafc2
Let --unified default to diff.unified (issue 1076)
Patrick Mezard <pmezard@gmail.com>
parents:
5863
diff
changeset
|
57 except ValueError: |
65029a3aafc2
Let --unified default to diff.unified (issue 1076)
Patrick Mezard <pmezard@gmail.com>
parents:
5863
diff
changeset
|
58 raise util.Abort(_('diff context lines count must be ' |
65029a3aafc2
Let --unified default to diff.unified (issue 1076)
Patrick Mezard <pmezard@gmail.com>
parents:
5863
diff
changeset
|
59 'an integer, not %r') % self.context) |
65029a3aafc2
Let --unified default to diff.unified (issue 1076)
Patrick Mezard <pmezard@gmail.com>
parents:
5863
diff
changeset
|
60 |
10185
7637fe4f525d
mq: preserve --git flag when merging patches
Patrick Mezard <pmezard@gmail.com>
parents:
9827
diff
changeset
|
61 def copy(self, **kwargs): |
7637fe4f525d
mq: preserve --git flag when merging patches
Patrick Mezard <pmezard@gmail.com>
parents:
9827
diff
changeset
|
62 opts = dict((k, getattr(self, k)) for k in self.defaults) |
7637fe4f525d
mq: preserve --git flag when merging patches
Patrick Mezard <pmezard@gmail.com>
parents:
9827
diff
changeset
|
63 opts.update(kwargs) |
7637fe4f525d
mq: preserve --git flag when merging patches
Patrick Mezard <pmezard@gmail.com>
parents:
9827
diff
changeset
|
64 return diffopts(**opts) |
7637fe4f525d
mq: preserve --git flag when merging patches
Patrick Mezard <pmezard@gmail.com>
parents:
9827
diff
changeset
|
65 |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
66 defaultopts = diffopts() |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
67 |
9827
4fe9ca519637
mdiff: fix diff -b/B/w on mixed whitespace hunks (issue127)
Patrick Mezard <pmezard@gmail.com>
parents:
8632
diff
changeset
|
68 def wsclean(opts, text, blank=True): |
4878
372d93f03d3a
diff: correctly handle combinations of whitespace options
Matt Mackall <mpm@selenic.com>
parents:
4679
diff
changeset
|
69 if opts.ignorews: |
15530
eeac5e179243
mdiff: replace wscleanup() regexps with C loops
Patrick Mezard <pmezard@gmail.com>
parents:
15529
diff
changeset
|
70 text = bdiff.fixws(text, 1) |
4878
372d93f03d3a
diff: correctly handle combinations of whitespace options
Matt Mackall <mpm@selenic.com>
parents:
4679
diff
changeset
|
71 elif opts.ignorewsamount: |
15530
eeac5e179243
mdiff: replace wscleanup() regexps with C loops
Patrick Mezard <pmezard@gmail.com>
parents:
15529
diff
changeset
|
72 text = bdiff.fixws(text, 0) |
9827
4fe9ca519637
mdiff: fix diff -b/B/w on mixed whitespace hunks (issue127)
Patrick Mezard <pmezard@gmail.com>
parents:
8632
diff
changeset
|
73 if blank and opts.ignoreblanklines: |
15509
3774e1453ef4
diff: --ignore-blank-lines was too enthusiastic
Patrick Mezard <pmezard@gmail.com>
parents:
15462
diff
changeset
|
74 text = re.sub('\n+', '\n', text).strip('\n') |
4878
372d93f03d3a
diff: correctly handle combinations of whitespace options
Matt Mackall <mpm@selenic.com>
parents:
4679
diff
changeset
|
75 return text |
372d93f03d3a
diff: correctly handle combinations of whitespace options
Matt Mackall <mpm@selenic.com>
parents:
4679
diff
changeset
|
76 |
15528
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
77 def splitblock(base1, lines1, base2, lines2, opts): |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
78 # The input lines matches except for interwoven blank lines. We |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
79 # transform it into a sequence of matching blocks and blank blocks. |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
80 lines1 = [(wsclean(opts, l) and 1 or 0) for l in lines1] |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
81 lines2 = [(wsclean(opts, l) and 1 or 0) for l in lines2] |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
82 s1, e1 = 0, len(lines1) |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
83 s2, e2 = 0, len(lines2) |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
84 while s1 < e1 or s2 < e2: |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
85 i1, i2, btype = s1, s2, '=' |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
86 if (i1 >= e1 or lines1[i1] == 0 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
87 or i2 >= e2 or lines2[i2] == 0): |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
88 # Consume the block of blank lines |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
89 btype = '~' |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
90 while i1 < e1 and lines1[i1] == 0: |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
91 i1 += 1 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
92 while i2 < e2 and lines2[i2] == 0: |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
93 i2 += 1 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
94 else: |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
95 # Consume the matching lines |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
96 while i1 < e1 and lines1[i1] == 1 and lines2[i2] == 1: |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
97 i1 += 1 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
98 i2 += 1 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
99 yield [base1 + s1, base1 + i1, base2 + s2, base2 + i2], btype |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
100 s1 = i1 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
101 s2 = i2 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
102 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
103 def allblocks(text1, text2, opts=None, lines1=None, lines2=None, refine=False): |
15526
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
104 """Return (block, type) tuples, where block is an mdiff.blocks |
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
105 line entry. type is '=' for blocks matching exactly one another |
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
106 (bdiff blocks), '!' for non-matching blocks and '~' for blocks |
15528
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
107 matching only after having filtered blank lines. If refine is True, |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
108 then '~' blocks are refined and are only made of blank lines. |
15526
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
109 line1 and line2 are text1 and text2 split with splitnewlines() if |
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
110 they are already available. |
15525
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
111 """ |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
112 if opts is None: |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
113 opts = defaultopts |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
114 if opts.ignorews or opts.ignorewsamount: |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
115 text1 = wsclean(opts, text1, False) |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
116 text2 = wsclean(opts, text2, False) |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
117 diff = bdiff.blocks(text1, text2) |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
118 for i, s1 in enumerate(diff): |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
119 # The first match is special. |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
120 # we've either found a match starting at line 0 or a match later |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
121 # in the file. If it starts later, old and new below will both be |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
122 # empty and we'll continue to the next match. |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
123 if i > 0: |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
124 s = diff[i - 1] |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
125 else: |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
126 s = [0, 0, 0, 0] |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
127 s = [s[1], s1[0], s[3], s1[2]] |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
128 |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
129 # bdiff sometimes gives huge matches past eof, this check eats them, |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
130 # and deals with the special first match case described above |
15529
b35cf47286a6
mdiff: split lines in allblocks() only when necessary
Patrick Mezard <pmezard@gmail.com>
parents:
15528
diff
changeset
|
131 if s[0] != s[1] or s[2] != s[3]: |
15526
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
132 type = '!' |
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
133 if opts.ignoreblanklines: |
15529
b35cf47286a6
mdiff: split lines in allblocks() only when necessary
Patrick Mezard <pmezard@gmail.com>
parents:
15528
diff
changeset
|
134 if lines1 is None: |
b35cf47286a6
mdiff: split lines in allblocks() only when necessary
Patrick Mezard <pmezard@gmail.com>
parents:
15528
diff
changeset
|
135 lines1 = splitnewlines(text1) |
b35cf47286a6
mdiff: split lines in allblocks() only when necessary
Patrick Mezard <pmezard@gmail.com>
parents:
15528
diff
changeset
|
136 if lines2 is None: |
b35cf47286a6
mdiff: split lines in allblocks() only when necessary
Patrick Mezard <pmezard@gmail.com>
parents:
15528
diff
changeset
|
137 lines2 = splitnewlines(text2) |
b35cf47286a6
mdiff: split lines in allblocks() only when necessary
Patrick Mezard <pmezard@gmail.com>
parents:
15528
diff
changeset
|
138 old = wsclean(opts, "".join(lines1[s[0]:s[1]])) |
b35cf47286a6
mdiff: split lines in allblocks() only when necessary
Patrick Mezard <pmezard@gmail.com>
parents:
15528
diff
changeset
|
139 new = wsclean(opts, "".join(lines2[s[2]:s[3]])) |
b35cf47286a6
mdiff: split lines in allblocks() only when necessary
Patrick Mezard <pmezard@gmail.com>
parents:
15528
diff
changeset
|
140 if old == new: |
15526
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
141 type = '~' |
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
142 yield s, type |
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
143 yield s1, '=' |
15525
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
144 |
7200
ca5ac40949dc
patch/diff: use a separate function to write the first line of a file diff
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6871
diff
changeset
|
145 def diffline(revs, a, b, opts): |
ca5ac40949dc
patch/diff: use a separate function to write the first line of a file diff
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6871
diff
changeset
|
146 parts = ['diff'] |
ca5ac40949dc
patch/diff: use a separate function to write the first line of a file diff
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6871
diff
changeset
|
147 if opts.git: |
ca5ac40949dc
patch/diff: use a separate function to write the first line of a file diff
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6871
diff
changeset
|
148 parts.append('--git') |
ca5ac40949dc
patch/diff: use a separate function to write the first line of a file diff
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6871
diff
changeset
|
149 if revs and not opts.git: |
ca5ac40949dc
patch/diff: use a separate function to write the first line of a file diff
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6871
diff
changeset
|
150 parts.append(' '.join(["-r %s" % rev for rev in revs])) |
ca5ac40949dc
patch/diff: use a separate function to write the first line of a file diff
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6871
diff
changeset
|
151 if opts.git: |
ca5ac40949dc
patch/diff: use a separate function to write the first line of a file diff
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6871
diff
changeset
|
152 parts.append('a/%s' % a) |
ca5ac40949dc
patch/diff: use a separate function to write the first line of a file diff
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6871
diff
changeset
|
153 parts.append('b/%s' % b) |
ca5ac40949dc
patch/diff: use a separate function to write the first line of a file diff
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6871
diff
changeset
|
154 else: |
ca5ac40949dc
patch/diff: use a separate function to write the first line of a file diff
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6871
diff
changeset
|
155 parts.append(a) |
ca5ac40949dc
patch/diff: use a separate function to write the first line of a file diff
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6871
diff
changeset
|
156 return ' '.join(parts) + '\n' |
7204
ad28279053ef
Remove trailing space
Thomas Arendsen Hein <thomas@intevation.de>
parents:
7200
diff
changeset
|
157 |
5482
e5eedd74e70f
Use both the from and to name in mdiff.unidiff.
Dustin Sallings <dustin@spy.net>
parents:
5367
diff
changeset
|
158 def unidiff(a, ad, b, bd, fn1, fn2, r=None, opts=defaultopts): |
4679
826659bd8053
git patches: correct handling of filenames with spaces
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4361
diff
changeset
|
159 def datetag(date, addtab=True): |
826659bd8053
git patches: correct handling of filenames with spaces
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4361
diff
changeset
|
160 if not opts.git and not opts.nodates: |
826659bd8053
git patches: correct handling of filenames with spaces
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4361
diff
changeset
|
161 return '\t%s\n' % date |
5482
e5eedd74e70f
Use both the from and to name in mdiff.unidiff.
Dustin Sallings <dustin@spy.net>
parents:
5367
diff
changeset
|
162 if addtab and ' ' in fn1: |
4679
826659bd8053
git patches: correct handling of filenames with spaces
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4361
diff
changeset
|
163 return '\t\n' |
826659bd8053
git patches: correct handling of filenames with spaces
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4361
diff
changeset
|
164 return '\n' |
3026
d838bfac668d
Remove dates from git export file lines - they confuse git-apply
Brendan Cully <brendan@kublai.com>
parents:
2907
diff
changeset
|
165 |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
166 if not a and not b: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
167 return "" |
1379 | 168 epoch = util.datestr((0, 0)) |
264
4c1d7072d5cd
Attempt to make diff deal with null sources properly
mpm@selenic.com
parents:
249
diff
changeset
|
169 |
15437
8f08b635cdce
diff: always use / in paths in diff
Mads Kiilerich <mads@kiilerich.com>
parents:
15141
diff
changeset
|
170 fn1 = util.pconvert(fn1) |
8f08b635cdce
diff: always use / in paths in diff
Mads Kiilerich <mads@kiilerich.com>
parents:
15141
diff
changeset
|
171 fn2 = util.pconvert(fn2) |
8f08b635cdce
diff: always use / in paths in diff
Mads Kiilerich <mads@kiilerich.com>
parents:
15141
diff
changeset
|
172 |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
173 if not opts.text and (util.binary(a) or util.binary(b)): |
6871
13fe85fe396b
mdiff: compare content of binary files directly
Martin Geisler <mg@daimi.au.dk>
parents:
6470
diff
changeset
|
174 if a and b and len(a) == len(b) and a == b: |
4103
544838cc1158
Don't lie that "binary file has changed"
tailgunner@smtp.ru
parents:
3199
diff
changeset
|
175 return "" |
5482
e5eedd74e70f
Use both the from and to name in mdiff.unidiff.
Dustin Sallings <dustin@spy.net>
parents:
5367
diff
changeset
|
176 l = ['Binary file %s has changed\n' % fn1] |
1723
fde8fb2cbede
Fix diff against an empty file (issue124) and add a test for this.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1637
diff
changeset
|
177 elif not a: |
2251
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
178 b = splitnewlines(b) |
1723
fde8fb2cbede
Fix diff against an empty file (issue124) and add a test for this.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1637
diff
changeset
|
179 if a is None: |
4679
826659bd8053
git patches: correct handling of filenames with spaces
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4361
diff
changeset
|
180 l1 = '--- /dev/null%s' % datetag(epoch, False) |
1723
fde8fb2cbede
Fix diff against an empty file (issue124) and add a test for this.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1637
diff
changeset
|
181 else: |
5482
e5eedd74e70f
Use both the from and to name in mdiff.unidiff.
Dustin Sallings <dustin@spy.net>
parents:
5367
diff
changeset
|
182 l1 = "--- %s%s" % ("a/" + fn1, datetag(ad)) |
e5eedd74e70f
Use both the from and to name in mdiff.unidiff.
Dustin Sallings <dustin@spy.net>
parents:
5367
diff
changeset
|
183 l2 = "+++ %s%s" % ("b/" + fn2, datetag(bd)) |
264
4c1d7072d5cd
Attempt to make diff deal with null sources properly
mpm@selenic.com
parents:
249
diff
changeset
|
184 l3 = "@@ -0,0 +1,%d @@\n" % len(b) |
4c1d7072d5cd
Attempt to make diff deal with null sources properly
mpm@selenic.com
parents:
249
diff
changeset
|
185 l = [l1, l2, l3] + ["+" + e for e in b] |
1723
fde8fb2cbede
Fix diff against an empty file (issue124) and add a test for this.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1637
diff
changeset
|
186 elif not b: |
2251
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
187 a = splitnewlines(a) |
5482
e5eedd74e70f
Use both the from and to name in mdiff.unidiff.
Dustin Sallings <dustin@spy.net>
parents:
5367
diff
changeset
|
188 l1 = "--- %s%s" % ("a/" + fn1, datetag(ad)) |
1723
fde8fb2cbede
Fix diff against an empty file (issue124) and add a test for this.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1637
diff
changeset
|
189 if b is None: |
4679
826659bd8053
git patches: correct handling of filenames with spaces
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4361
diff
changeset
|
190 l2 = '+++ /dev/null%s' % datetag(epoch, False) |
1723
fde8fb2cbede
Fix diff against an empty file (issue124) and add a test for this.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1637
diff
changeset
|
191 else: |
5482
e5eedd74e70f
Use both the from and to name in mdiff.unidiff.
Dustin Sallings <dustin@spy.net>
parents:
5367
diff
changeset
|
192 l2 = "+++ %s%s" % ("b/" + fn2, datetag(bd)) |
264
4c1d7072d5cd
Attempt to make diff deal with null sources properly
mpm@selenic.com
parents:
249
diff
changeset
|
193 l3 = "@@ -1,%d +0,0 @@\n" % len(a) |
4c1d7072d5cd
Attempt to make diff deal with null sources properly
mpm@selenic.com
parents:
249
diff
changeset
|
194 l = [l1, l2, l3] + ["-" + e for e in a] |
4c1d7072d5cd
Attempt to make diff deal with null sources properly
mpm@selenic.com
parents:
249
diff
changeset
|
195 else: |
2251
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
196 al = splitnewlines(a) |
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
197 bl = splitnewlines(b) |
10614
d0050f36e688
remove header handling out of mdiff.bunidiff, rename it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10282
diff
changeset
|
198 l = list(_unidiff(a, b, al, bl, opts=opts)) |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
199 if not l: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
200 return "" |
10614
d0050f36e688
remove header handling out of mdiff.bunidiff, rename it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10282
diff
changeset
|
201 |
d0050f36e688
remove header handling out of mdiff.bunidiff, rename it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10282
diff
changeset
|
202 l.insert(0, "--- a/%s%s" % (fn1, datetag(ad))) |
d0050f36e688
remove header handling out of mdiff.bunidiff, rename it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10282
diff
changeset
|
203 l.insert(1, "+++ b/%s%s" % (fn2, datetag(bd))) |
170 | 204 |
205 for ln in xrange(len(l)): | |
206 if l[ln][-1] != '\n': | |
207 l[ln] += "\n\ No newline at end of file\n" | |
208 | |
396
8f8bb77d560e
Show revisions in diffs like CVS, based on a patch from Goffredo Baroncelli.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
361
diff
changeset
|
209 if r: |
7200
ca5ac40949dc
patch/diff: use a separate function to write the first line of a file diff
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6871
diff
changeset
|
210 l.insert(0, diffline(r, fn1, fn2, opts)) |
396
8f8bb77d560e
Show revisions in diffs like CVS, based on a patch from Goffredo Baroncelli.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
361
diff
changeset
|
211 |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
212 return "".join(l) |
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
213 |
10614
d0050f36e688
remove header handling out of mdiff.bunidiff, rename it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10282
diff
changeset
|
214 # creates a headerless unified diff |
1637 | 215 # t1 and t2 are the text to be diffed |
216 # l1 and l2 are the text broken up into lines | |
10614
d0050f36e688
remove header handling out of mdiff.bunidiff, rename it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10282
diff
changeset
|
217 def _unidiff(t1, t2, l1, l2, opts=defaultopts): |
1637 | 218 def contextend(l, len): |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
219 ret = l + opts.context |
1637 | 220 if ret > len: |
221 ret = len | |
222 return ret | |
223 | |
224 def contextstart(l): | |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
225 ret = l - opts.context |
1637 | 226 if ret < 0: |
227 return 0 | |
228 return ret | |
229 | |
15141
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
230 lastfunc = [0, ''] |
10614
d0050f36e688
remove header handling out of mdiff.bunidiff, rename it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10282
diff
changeset
|
231 def yieldhunk(hunk): |
1637 | 232 (astart, a2, bstart, b2, delta) = hunk |
233 aend = contextend(a2, len(l1)) | |
234 alen = aend - astart | |
235 blen = b2 - bstart + aend - a2 | |
236 | |
237 func = "" | |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
238 if opts.showfunc: |
15141
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
239 lastpos, func = lastfunc |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
240 # walk backwards from the start of the context up to the start of |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
241 # the previous hunk context until we find a line starting with an |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
242 # alphanumeric char. |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
243 for i in xrange(astart - 1, lastpos - 1, -1): |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
244 if l1[i][0].isalnum(): |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
245 func = ' ' + l1[i].rstrip()[:40] |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
246 lastfunc[1] = func |
1637 | 247 break |
15141
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
248 # by recording this hunk's starting point as the next place to |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
249 # start looking for function lines, we avoid reading any line in |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
250 # the file more than once. |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
251 lastfunc[0] = astart |
1637 | 252 |
15462
2b1ec74c961f
mdiff/patch: fix bad hunk handling for unified diffs with zero context
Nicolas Venegas <nvenegas@atlassian.com>
parents:
15141
diff
changeset
|
253 # zero-length hunk ranges report their start line as one less |
2b1ec74c961f
mdiff/patch: fix bad hunk handling for unified diffs with zero context
Nicolas Venegas <nvenegas@atlassian.com>
parents:
15141
diff
changeset
|
254 if alen: |
2b1ec74c961f
mdiff/patch: fix bad hunk handling for unified diffs with zero context
Nicolas Venegas <nvenegas@atlassian.com>
parents:
15141
diff
changeset
|
255 astart += 1 |
2b1ec74c961f
mdiff/patch: fix bad hunk handling for unified diffs with zero context
Nicolas Venegas <nvenegas@atlassian.com>
parents:
15141
diff
changeset
|
256 if blen: |
2b1ec74c961f
mdiff/patch: fix bad hunk handling for unified diffs with zero context
Nicolas Venegas <nvenegas@atlassian.com>
parents:
15141
diff
changeset
|
257 bstart += 1 |
2b1ec74c961f
mdiff/patch: fix bad hunk handling for unified diffs with zero context
Nicolas Venegas <nvenegas@atlassian.com>
parents:
15141
diff
changeset
|
258 |
2b1ec74c961f
mdiff/patch: fix bad hunk handling for unified diffs with zero context
Nicolas Venegas <nvenegas@atlassian.com>
parents:
15141
diff
changeset
|
259 yield "@@ -%d,%d +%d,%d @@%s\n" % (astart, alen, |
2b1ec74c961f
mdiff/patch: fix bad hunk handling for unified diffs with zero context
Nicolas Venegas <nvenegas@atlassian.com>
parents:
15141
diff
changeset
|
260 bstart, blen, func) |
1637 | 261 for x in delta: |
262 yield x | |
263 for x in xrange(a2, aend): | |
264 yield ' ' + l1[x] | |
265 | |
266 # bdiff.blocks gives us the matching sequences in the files. The loop | |
267 # below finds the spaces between those matching sequences and translates | |
268 # them into diff output. | |
269 # | |
270 hunk = None | |
15526
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
271 for s, stype in allblocks(t1, t2, opts, l1, l2): |
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
272 if stype != '!': |
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
273 continue |
1637 | 274 delta = [] |
15525
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
275 a1, a2, b1, b2 = s |
1637 | 276 old = l1[a1:a2] |
277 new = l2[b1:b2] | |
278 | |
279 astart = contextstart(a1) | |
280 bstart = contextstart(b1) | |
281 prev = None | |
282 if hunk: | |
283 # join with the previous hunk if it falls inside the context | |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
284 if astart < hunk[1] + opts.context + 1: |
1637 | 285 prev = hunk |
286 astart = hunk[1] | |
287 bstart = hunk[3] | |
288 else: | |
10614
d0050f36e688
remove header handling out of mdiff.bunidiff, rename it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10282
diff
changeset
|
289 for x in yieldhunk(hunk): |
1637 | 290 yield x |
291 if prev: | |
292 # we've joined the previous hunk, record the new ending points. | |
293 hunk[1] = a2 | |
294 hunk[3] = b2 | |
295 delta = hunk[4] | |
296 else: | |
297 # create a new hunk | |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
298 hunk = [astart, a2, bstart, b2, delta] |
1637 | 299 |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
300 delta[len(delta):] = [' ' + x for x in l1[astart:a1]] |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
301 delta[len(delta):] = ['-' + x for x in old] |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
302 delta[len(delta):] = ['+' + x for x in new] |
1637 | 303 |
304 if hunk: | |
10614
d0050f36e688
remove header handling out of mdiff.bunidiff, rename it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10282
diff
changeset
|
305 for x in yieldhunk(hunk): |
1637 | 306 yield x |
307 | |
120
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
308 def patchtext(bin): |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
309 pos = 0 |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
310 t = [] |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
311 while pos < len(bin): |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
312 p1, p2, l = struct.unpack(">lll", bin[pos:pos + 12]) |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
313 pos += 12 |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
314 t.append(bin[pos:pos + l]) |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
315 pos += l |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
316 return "".join(t) |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
317 |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
318 def patch(a, bin): |
12025
2315a95ee887
mdiff.patch(): add a special case for when the base text is empty
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10614
diff
changeset
|
319 if len(a) == 0: |
2315a95ee887
mdiff.patch(): add a special case for when the base text is empty
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10614
diff
changeset
|
320 # skip over trivial delta header |
2315a95ee887
mdiff.patch(): add a special case for when the base text is empty
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10614
diff
changeset
|
321 return buffer(bin, 12) |
1379 | 322 return mpatch.patches(a, [bin]) |
432 | 323 |
4361
99c853a1408c
add mdiff.get_matching_blocks
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4108
diff
changeset
|
324 # similar to difflib.SequenceMatcher.get_matching_blocks |
99c853a1408c
add mdiff.get_matching_blocks
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4108
diff
changeset
|
325 def get_matching_blocks(a, b): |
99c853a1408c
add mdiff.get_matching_blocks
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4108
diff
changeset
|
326 return [(d[0], d[2], d[1] - d[0]) for d in bdiff.blocks(a, b)] |
99c853a1408c
add mdiff.get_matching_blocks
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4108
diff
changeset
|
327 |
5367
7530334bf301
revlog: generate trivial deltas against null revision
Matt Mackall <mpm@selenic.com>
parents:
4878
diff
changeset
|
328 def trivialdiffheader(length): |
7530334bf301
revlog: generate trivial deltas against null revision
Matt Mackall <mpm@selenic.com>
parents:
4878
diff
changeset
|
329 return struct.pack(">lll", 0, 0, length) |
7530334bf301
revlog: generate trivial deltas against null revision
Matt Mackall <mpm@selenic.com>
parents:
4878
diff
changeset
|
330 |
1379 | 331 patches = mpatch.patches |
2078
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
1723
diff
changeset
|
332 patchedsize = mpatch.patchedsize |
432 | 333 textdiff = bdiff.bdiff |