Mercurial > hg
annotate mercurial/mdiff.py @ 31758:04ec317b8128
hgweb: expose a followlines UI in filerevision view
In filerevision view (/file/<rev>/<fname>) we add some event listeners on
mouse clicks of <span> elements in the <pre class="sourcelines"> block.
Those listeners will capture a range of lines selected between two mouse
clicks and a box inviting to follow the history of selected lines will then
show up. Selected lines (i.e. the block of lines) get a CSS class which make
them highlighted. Selection can be cancelled (and restarted) by either
clicking on the cancel ("x") button in the invite box or clicking on any other
source line. Also clicking twice on the same line will abort the selection and
reset event listeners to restart the process.
As a first step, this action is only advertised by the "cursor: cell" CSS rule
on source lines elements as any other mechanisms would make the code
significantly more complicated. This might be improved later.
All JavaScript code lives in a new "linerangelog.js" file, sourced in
filerevision template (only in "paper" style for now).
author | Denis Laxalde <denis.laxalde@logilab.fr> |
---|---|
date | Wed, 29 Mar 2017 22:26:16 +0200 |
parents | 6c80f985a13c |
children | ca3b4a2b7e54 |
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 |
27484
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
8 from __future__ import absolute_import |
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
9 |
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
10 import re |
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
11 import struct |
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
12 import zlib |
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
13 |
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
14 from .i18n import _ |
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
15 from . import ( |
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
16 base85, |
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
17 bdiff, |
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
18 error, |
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
19 mpatch, |
31631
a7acda2de4b8
diff: use pycompat.{byteskwargs, strkwargs} to switch opts b/w bytes and str
Pulkit Goyal <7895pulkit@gmail.com>
parents:
31273
diff
changeset
|
20 pycompat, |
27484
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
21 util, |
0d7635dca691
mdiff: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26587
diff
changeset
|
22 ) |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
23 |
2251
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
24 def splitnewlines(text): |
2248
b914f0557832
fix diffs containing embedded "\r".
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2078
diff
changeset
|
25 '''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
|
26 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
|
27 if lines: |
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
28 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
|
29 lines.pop() |
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
30 else: |
35fb62a3a673
fix speed regression in mdiff caused by line split bugfix.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2248
diff
changeset
|
31 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
|
32 return lines |
2248
b914f0557832
fix diffs containing embedded "\r".
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2078
diff
changeset
|
33 |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
34 class diffopts(object): |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
35 '''context is the number of context lines |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
36 text treats all files as text |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
37 showfunc enables diff -p output |
2907 | 38 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
|
39 nodates removes dates from diff headers |
23293
b89856abf4e2
mdiff.diffopts: add doc comment for nobinary
Siddharth Agarwal <sid0@fb.com>
parents:
21790
diff
changeset
|
40 nobinary ignores binary files |
23294
ec8c73b02e2e
mdiff.diffopts: add a new noprefix option
Siddharth Agarwal <sid0@fb.com>
parents:
23293
diff
changeset
|
41 noprefix disables the 'a/' and 'b/' prefixes (ignored in plain mode) |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
42 ignorews ignores all whitespace changes in the diff |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
43 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
|
44 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
|
45 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
|
46 ''' |
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
|
47 |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
48 defaults = { |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
49 'context': 3, |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
50 'text': False, |
5863
3d1f9dcecdea
diff: don't show function name by default
Matt Mackall <mpm@selenic.com>
parents:
5482
diff
changeset
|
51 'showfunc': False, |
2907 | 52 '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
|
53 'nodates': False, |
21790
3fbef7ac26f0
diff: add nobinary config to suppress git-style binary diffs
Stephen Lee <sphen.lee@gmail.com>
parents:
20034
diff
changeset
|
54 'nobinary': False, |
23294
ec8c73b02e2e
mdiff.diffopts: add a new noprefix option
Siddharth Agarwal <sid0@fb.com>
parents:
23293
diff
changeset
|
55 'noprefix': False, |
30788
d1901c4c8ec0
patch: add config knob for displaying the index header
Sean Farley <sean@farley.io>
parents:
30717
diff
changeset
|
56 'index': 0, |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
57 'ignorews': False, |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
58 'ignorewsamount': False, |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
59 'ignoreblanklines': False, |
10189
e451e599fbcf
patch: support diff data loss detection and upgrade
Patrick Mezard <pmezard@gmail.com>
parents:
10185
diff
changeset
|
60 'upgrade': False, |
30806
e2796f193f06
patch: add similarity config knob in experimental section
Sean Farley <sean@farley.io>
parents:
30788
diff
changeset
|
61 'showsimilarity': False, |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
62 } |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
63 |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
64 def __init__(self, **opts): |
31631
a7acda2de4b8
diff: use pycompat.{byteskwargs, strkwargs} to switch opts b/w bytes and str
Pulkit Goyal <7895pulkit@gmail.com>
parents:
31273
diff
changeset
|
65 opts = pycompat.byteskwargs(opts) |
29416
30789efb1e5e
mdiff: remove use of __slots__
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27711
diff
changeset
|
66 for k in self.defaults.keys(): |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
67 v = opts.get(k) |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
68 if v is None: |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
69 v = self.defaults[k] |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
70 setattr(self, k, v) |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
71 |
6467
65029a3aafc2
Let --unified default to diff.unified (issue 1076)
Patrick Mezard <pmezard@gmail.com>
parents:
5863
diff
changeset
|
72 try: |
65029a3aafc2
Let --unified default to diff.unified (issue 1076)
Patrick Mezard <pmezard@gmail.com>
parents:
5863
diff
changeset
|
73 self.context = int(self.context) |
65029a3aafc2
Let --unified default to diff.unified (issue 1076)
Patrick Mezard <pmezard@gmail.com>
parents:
5863
diff
changeset
|
74 except ValueError: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24119
diff
changeset
|
75 raise error.Abort(_('diff context lines count must be ' |
6467
65029a3aafc2
Let --unified default to diff.unified (issue 1076)
Patrick Mezard <pmezard@gmail.com>
parents:
5863
diff
changeset
|
76 'an integer, not %r') % self.context) |
65029a3aafc2
Let --unified default to diff.unified (issue 1076)
Patrick Mezard <pmezard@gmail.com>
parents:
5863
diff
changeset
|
77 |
10185
7637fe4f525d
mq: preserve --git flag when merging patches
Patrick Mezard <pmezard@gmail.com>
parents:
9827
diff
changeset
|
78 def copy(self, **kwargs): |
7637fe4f525d
mq: preserve --git flag when merging patches
Patrick Mezard <pmezard@gmail.com>
parents:
9827
diff
changeset
|
79 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
|
80 opts.update(kwargs) |
7637fe4f525d
mq: preserve --git flag when merging patches
Patrick Mezard <pmezard@gmail.com>
parents:
9827
diff
changeset
|
81 return diffopts(**opts) |
7637fe4f525d
mq: preserve --git flag when merging patches
Patrick Mezard <pmezard@gmail.com>
parents:
9827
diff
changeset
|
82 |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
83 defaultopts = diffopts() |
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
84 |
9827
4fe9ca519637
mdiff: fix diff -b/B/w on mixed whitespace hunks (issue127)
Patrick Mezard <pmezard@gmail.com>
parents:
8632
diff
changeset
|
85 def wsclean(opts, text, blank=True): |
4878
372d93f03d3a
diff: correctly handle combinations of whitespace options
Matt Mackall <mpm@selenic.com>
parents:
4679
diff
changeset
|
86 if opts.ignorews: |
15530
eeac5e179243
mdiff: replace wscleanup() regexps with C loops
Patrick Mezard <pmezard@gmail.com>
parents:
15529
diff
changeset
|
87 text = bdiff.fixws(text, 1) |
4878
372d93f03d3a
diff: correctly handle combinations of whitespace options
Matt Mackall <mpm@selenic.com>
parents:
4679
diff
changeset
|
88 elif opts.ignorewsamount: |
15530
eeac5e179243
mdiff: replace wscleanup() regexps with C loops
Patrick Mezard <pmezard@gmail.com>
parents:
15529
diff
changeset
|
89 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
|
90 if blank and opts.ignoreblanklines: |
15509
3774e1453ef4
diff: --ignore-blank-lines was too enthusiastic
Patrick Mezard <pmezard@gmail.com>
parents:
15462
diff
changeset
|
91 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
|
92 return text |
372d93f03d3a
diff: correctly handle combinations of whitespace options
Matt Mackall <mpm@selenic.com>
parents:
4679
diff
changeset
|
93 |
15528
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
94 def splitblock(base1, lines1, base2, lines2, opts): |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
95 # 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
|
96 # 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
|
97 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
|
98 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
|
99 s1, e1 = 0, len(lines1) |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
100 s2, e2 = 0, len(lines2) |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
101 while s1 < e1 or s2 < e2: |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
102 i1, i2, btype = s1, s2, '=' |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
103 if (i1 >= e1 or lines1[i1] == 0 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
104 or i2 >= e2 or lines2[i2] == 0): |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
105 # Consume the block of blank lines |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
106 btype = '~' |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
107 while i1 < e1 and lines1[i1] == 0: |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
108 i1 += 1 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
109 while i2 < e2 and lines2[i2] == 0: |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
110 i2 += 1 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
111 else: |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
112 # Consume the matching lines |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
113 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
|
114 i1 += 1 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
115 i2 += 1 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
116 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
|
117 s1 = i1 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
118 s2 = i2 |
a84698badf0b
annotate: support diff whitespace filtering flags (issue3030)
Patrick Mezard <pmezard@gmail.com>
parents:
15526
diff
changeset
|
119 |
30717
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
120 def blocksinrange(blocks, rangeb): |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
121 """filter `blocks` like (a1, a2, b1, b2) from items outside line range |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
122 `rangeb` from ``(b1, b2)`` point of view. |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
123 |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
124 Return `filteredblocks, rangea` where: |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
125 |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
126 * `filteredblocks` is list of ``block = (a1, a2, b1, b2), stype`` items of |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
127 `blocks` that are inside `rangeb` from ``(b1, b2)`` point of view; a |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
128 block ``(b1, b2)`` being inside `rangeb` if |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
129 ``rangeb[0] < b2 and b1 < rangeb[1]``; |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
130 * `rangea` is the line range w.r.t. to ``(a1, a2)`` parts of `blocks`. |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
131 """ |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
132 lbb, ubb = rangeb |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
133 lba, uba = None, None |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
134 filteredblocks = [] |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
135 for block in blocks: |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
136 (a1, a2, b1, b2), stype = block |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
137 if lbb >= b1 and ubb <= b2 and stype == '=': |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
138 # rangeb is within a single "=" hunk, restrict back linerange1 |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
139 # by offsetting rangeb |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
140 lba = lbb - b1 + a1 |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
141 uba = ubb - b1 + a1 |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
142 else: |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
143 if b1 <= lbb < b2: |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
144 if stype == '=': |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
145 lba = a2 - (b2 - lbb) |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
146 else: |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
147 lba = a1 |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
148 if b1 < ubb <= b2: |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
149 if stype == '=': |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
150 uba = a1 + (ubb - b1) |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
151 else: |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
152 uba = a2 |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
153 if lbb < b2 and b1 < ubb: |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
154 filteredblocks.append(block) |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
155 if lba is None or uba is None or uba < lba: |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
156 raise error.Abort(_('line range exceeds file size')) |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
157 return filteredblocks, (lba, uba) |
3eeb8e138e5c
mdiff: add a "blocksinrange" function to filter diff blocks by line range
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30023
diff
changeset
|
158 |
30023
ff17dff99295
mdiff: remove unused parameter 'refine' from allblocks()
Philippe Pepiot <philippe.pepiot@logilab.fr>
parents:
29416
diff
changeset
|
159 def allblocks(text1, text2, opts=None, lines1=None, lines2=None): |
15526
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
160 """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
|
161 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
|
162 (bdiff blocks), '!' for non-matching blocks and '~' for blocks |
30023
ff17dff99295
mdiff: remove unused parameter 'refine' from allblocks()
Philippe Pepiot <philippe.pepiot@logilab.fr>
parents:
29416
diff
changeset
|
163 matching only after having filtered blank lines. |
15526
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
164 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
|
165 they are already available. |
15525
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
166 """ |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
167 if opts is None: |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
168 opts = defaultopts |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
169 if opts.ignorews or opts.ignorewsamount: |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
170 text1 = wsclean(opts, text1, False) |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
171 text2 = wsclean(opts, text2, False) |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
172 diff = bdiff.blocks(text1, text2) |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
173 for i, s1 in enumerate(diff): |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
174 # The first match is special. |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
175 # 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
|
176 # 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
|
177 # 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
|
178 if i > 0: |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
179 s = diff[i - 1] |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
180 else: |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
181 s = [0, 0, 0, 0] |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
182 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
|
183 |
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
184 # 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
|
185 # 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
|
186 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
|
187 type = '!' |
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
188 if opts.ignoreblanklines: |
15529
b35cf47286a6
mdiff: split lines in allblocks() only when necessary
Patrick Mezard <pmezard@gmail.com>
parents:
15528
diff
changeset
|
189 if lines1 is None: |
b35cf47286a6
mdiff: split lines in allblocks() only when necessary
Patrick Mezard <pmezard@gmail.com>
parents:
15528
diff
changeset
|
190 lines1 = splitnewlines(text1) |
b35cf47286a6
mdiff: split lines in allblocks() only when necessary
Patrick Mezard <pmezard@gmail.com>
parents:
15528
diff
changeset
|
191 if lines2 is None: |
b35cf47286a6
mdiff: split lines in allblocks() only when necessary
Patrick Mezard <pmezard@gmail.com>
parents:
15528
diff
changeset
|
192 lines2 = splitnewlines(text2) |
b35cf47286a6
mdiff: split lines in allblocks() only when necessary
Patrick Mezard <pmezard@gmail.com>
parents:
15528
diff
changeset
|
193 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
|
194 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
|
195 if old == new: |
15526
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
196 type = '~' |
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
197 yield s, type |
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
198 yield s1, '=' |
15525
935bf2e7dbc5
mdiff: extract blocks whitespace normalization in diffblocks()
Patrick Mezard <pmezard@gmail.com>
parents:
15513
diff
changeset
|
199 |
17940
c84ef0047a94
diff: unify calls to diffline
Guillermo Pérez <bisho@fb.com>
parents:
17939
diff
changeset
|
200 def unidiff(a, ad, b, bd, fn1, fn2, opts=defaultopts): |
31273
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
201 """Return a unified diff as a (headers, hunks) tuple. |
31271
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
202 |
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
203 If the diff is not null, `headers` is a list with unified diff header |
31273
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
204 lines "--- <original>" and "+++ <new>" and `hunks` is a generator yielding |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
205 (hunkrange, hunklines) coming from _unidiff(). |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
206 Otherwise, `headers` and `hunks` are empty. |
31271
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
207 """ |
16362
16b75661828e
mdiff: fix diff header generation for files with spaces (issue3357)
Patrick Mezard <patrick@mezard.eu>
parents:
16089
diff
changeset
|
208 def datetag(date, fn=None): |
4679
826659bd8053
git patches: correct handling of filenames with spaces
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4361
diff
changeset
|
209 if not opts.git and not opts.nodates: |
31271
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
210 return '\t%s' % date |
16362
16b75661828e
mdiff: fix diff header generation for files with spaces (issue3357)
Patrick Mezard <patrick@mezard.eu>
parents:
16089
diff
changeset
|
211 if fn and ' ' in fn: |
31271
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
212 return '\t' |
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
213 return '' |
3026
d838bfac668d
Remove dates from git export file lines - they confuse git-apply
Brendan Cully <brendan@kublai.com>
parents:
2907
diff
changeset
|
214 |
31273
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
215 sentinel = [], () |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
216 if not a and not b: |
31271
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
217 return sentinel |
23299
1f510efcd5f3
mdiff.unidiff: add support for noprefix
Siddharth Agarwal <sid0@fb.com>
parents:
23294
diff
changeset
|
218 |
1f510efcd5f3
mdiff.unidiff: add support for noprefix
Siddharth Agarwal <sid0@fb.com>
parents:
23294
diff
changeset
|
219 if opts.noprefix: |
1f510efcd5f3
mdiff.unidiff: add support for noprefix
Siddharth Agarwal <sid0@fb.com>
parents:
23294
diff
changeset
|
220 aprefix = bprefix = '' |
1f510efcd5f3
mdiff.unidiff: add support for noprefix
Siddharth Agarwal <sid0@fb.com>
parents:
23294
diff
changeset
|
221 else: |
1f510efcd5f3
mdiff.unidiff: add support for noprefix
Siddharth Agarwal <sid0@fb.com>
parents:
23294
diff
changeset
|
222 aprefix = 'a/' |
1f510efcd5f3
mdiff.unidiff: add support for noprefix
Siddharth Agarwal <sid0@fb.com>
parents:
23294
diff
changeset
|
223 bprefix = 'b/' |
1f510efcd5f3
mdiff.unidiff: add support for noprefix
Siddharth Agarwal <sid0@fb.com>
parents:
23294
diff
changeset
|
224 |
1379 | 225 epoch = util.datestr((0, 0)) |
264
4c1d7072d5cd
Attempt to make diff deal with null sources properly
mpm@selenic.com
parents:
249
diff
changeset
|
226 |
15437
8f08b635cdce
diff: always use / in paths in diff
Mads Kiilerich <mads@kiilerich.com>
parents:
15141
diff
changeset
|
227 fn1 = util.pconvert(fn1) |
8f08b635cdce
diff: always use / in paths in diff
Mads Kiilerich <mads@kiilerich.com>
parents:
15141
diff
changeset
|
228 fn2 = util.pconvert(fn2) |
8f08b635cdce
diff: always use / in paths in diff
Mads Kiilerich <mads@kiilerich.com>
parents:
15141
diff
changeset
|
229 |
31272
e41946f39724
mdiff: extract a checknonewline inner function in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31271
diff
changeset
|
230 def checknonewline(lines): |
e41946f39724
mdiff: extract a checknonewline inner function in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31271
diff
changeset
|
231 for text in lines: |
31715
6c80f985a13c
diff: slice over bytes to make sure conditions work normally
Pulkit Goyal <7895pulkit@gmail.com>
parents:
31631
diff
changeset
|
232 if text[-1:] != '\n': |
31272
e41946f39724
mdiff: extract a checknonewline inner function in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31271
diff
changeset
|
233 text += "\n\ No newline at end of file\n" |
e41946f39724
mdiff: extract a checknonewline inner function in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31271
diff
changeset
|
234 yield text |
e41946f39724
mdiff: extract a checknonewline inner function in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31271
diff
changeset
|
235 |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
236 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
|
237 if a and b and len(a) == len(b) and a == b: |
31271
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
238 return sentinel |
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
239 headerlines = [] |
31273
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
240 hunks = (None, ['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
|
241 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
|
242 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
|
243 if a is None: |
16362
16b75661828e
mdiff: fix diff header generation for files with spaces (issue3357)
Patrick Mezard <patrick@mezard.eu>
parents:
16089
diff
changeset
|
244 l1 = '--- /dev/null%s' % datetag(epoch) |
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
|
245 else: |
23299
1f510efcd5f3
mdiff.unidiff: add support for noprefix
Siddharth Agarwal <sid0@fb.com>
parents:
23294
diff
changeset
|
246 l1 = "--- %s%s%s" % (aprefix, fn1, datetag(ad, fn1)) |
1f510efcd5f3
mdiff.unidiff: add support for noprefix
Siddharth Agarwal <sid0@fb.com>
parents:
23294
diff
changeset
|
247 l2 = "+++ %s%s" % (bprefix + fn2, datetag(bd, fn2)) |
31271
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
248 headerlines = [l1, l2] |
31273
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
249 size = len(b) |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
250 hunkrange = (0, 0, 1, size) |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
251 hunklines = ["@@ -0,0 +1,%d @@\n" % size] + ["+" + e for e in b] |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
252 hunks = (hunkrange, checknonewline(hunklines)), |
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
|
253 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
|
254 a = splitnewlines(a) |
23299
1f510efcd5f3
mdiff.unidiff: add support for noprefix
Siddharth Agarwal <sid0@fb.com>
parents:
23294
diff
changeset
|
255 l1 = "--- %s%s%s" % (aprefix, fn1, datetag(ad, 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
|
256 if b is None: |
16362
16b75661828e
mdiff: fix diff header generation for files with spaces (issue3357)
Patrick Mezard <patrick@mezard.eu>
parents:
16089
diff
changeset
|
257 l2 = '+++ /dev/null%s' % datetag(epoch) |
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
|
258 else: |
23299
1f510efcd5f3
mdiff.unidiff: add support for noprefix
Siddharth Agarwal <sid0@fb.com>
parents:
23294
diff
changeset
|
259 l2 = "+++ %s%s%s" % (bprefix, fn2, datetag(bd, fn2)) |
31271
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
260 headerlines = [l1, l2] |
31273
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
261 size = len(a) |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
262 hunkrange = (1, size, 0, 0) |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
263 hunklines = ["@@ -1,%d +0,0 @@\n" % size] + ["-" + e for e in a] |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
264 hunks = (hunkrange, checknonewline(hunklines)), |
264
4c1d7072d5cd
Attempt to make diff deal with null sources properly
mpm@selenic.com
parents:
249
diff
changeset
|
265 else: |
31273
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
266 diffhunks = _unidiff(a, b, opts=opts) |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
267 try: |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
268 hunkrange, hunklines = next(diffhunks) |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
269 except StopIteration: |
31271
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
270 return sentinel |
10614
d0050f36e688
remove header handling out of mdiff.bunidiff, rename it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10282
diff
changeset
|
271 |
31271
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
272 headerlines = [ |
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
273 "--- %s%s%s" % (aprefix, fn1, datetag(ad, fn1)), |
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
274 "+++ %s%s%s" % (bprefix, fn2, datetag(bd, fn2)), |
b3861be6aa6c
mdiff: distinguish diff headers from hunks in unidiff()
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31269
diff
changeset
|
275 ] |
31273
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
276 def rewindhunks(): |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
277 yield hunkrange, checknonewline(hunklines) |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
278 for hr, hl in diffhunks: |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
279 yield hr, checknonewline(hl) |
170 | 280 |
31273
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
281 hunks = rewindhunks() |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
282 |
92714858dd3e
mdiff: let unidiff return (diffheader, hunks)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31272
diff
changeset
|
283 return headerlines, hunks |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
284 |
31267
881ed6a4cf87
mdiff: compute newlines-splitted texts within _unidiff
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30806
diff
changeset
|
285 def _unidiff(t1, t2, opts=defaultopts): |
31269
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
286 """Yield hunks of a headerless unified diff from t1 and t2 texts. |
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
287 |
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
288 Each hunk consists of a (hunkrange, hunklines) tuple where `hunkrange` is a |
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
289 tuple (s1, l1, s2, l2) representing the range information of the hunk to |
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
290 form the '@@ -s1,l1 +s2,l2 @@' header and `hunklines` is a list of lines |
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
291 of the hunk combining said header followed by line additions and |
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
292 deletions. |
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
293 """ |
31267
881ed6a4cf87
mdiff: compute newlines-splitted texts within _unidiff
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30806
diff
changeset
|
294 l1 = splitnewlines(t1) |
881ed6a4cf87
mdiff: compute newlines-splitted texts within _unidiff
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
30806
diff
changeset
|
295 l2 = splitnewlines(t2) |
1637 | 296 def contextend(l, len): |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
297 ret = l + opts.context |
1637 | 298 if ret > len: |
299 ret = len | |
300 return ret | |
301 | |
302 def contextstart(l): | |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
303 ret = l - opts.context |
1637 | 304 if ret < 0: |
305 return 0 | |
306 return ret | |
307 | |
15141
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
308 lastfunc = [0, ''] |
10614
d0050f36e688
remove header handling out of mdiff.bunidiff, rename it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10282
diff
changeset
|
309 def yieldhunk(hunk): |
1637 | 310 (astart, a2, bstart, b2, delta) = hunk |
311 aend = contextend(a2, len(l1)) | |
312 alen = aend - astart | |
313 blen = b2 - bstart + aend - a2 | |
314 | |
315 func = "" | |
2874
4ec58b157265
refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2859
diff
changeset
|
316 if opts.showfunc: |
15141
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
317 lastpos, func = lastfunc |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
318 # 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
|
319 # 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
|
320 # alphanumeric char. |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
321 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
|
322 if l1[i][0].isalnum(): |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
323 func = ' ' + l1[i].rstrip()[:40] |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
324 lastfunc[1] = func |
1637 | 325 break |
15141
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
326 # 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
|
327 # 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
|
328 # the file more than once. |
16dc9a32ca04
mdiff: speed up showfunc for large diffs
Brodie Rao <brodie@bitheap.org>
parents:
12751
diff
changeset
|
329 lastfunc[0] = astart |
1637 | 330 |
15462
2b1ec74c961f
mdiff/patch: fix bad hunk handling for unified diffs with zero context
Nicolas Venegas <nvenegas@atlassian.com>
parents:
15141
diff
changeset
|
331 # 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
|
332 if alen: |
2b1ec74c961f
mdiff/patch: fix bad hunk handling for unified diffs with zero context
Nicolas Venegas <nvenegas@atlassian.com>
parents:
15141
diff
changeset
|
333 astart += 1 |
2b1ec74c961f
mdiff/patch: fix bad hunk handling for unified diffs with zero context
Nicolas Venegas <nvenegas@atlassian.com>
parents:
15141
diff
changeset
|
334 if blen: |
2b1ec74c961f
mdiff/patch: fix bad hunk handling for unified diffs with zero context
Nicolas Venegas <nvenegas@atlassian.com>
parents:
15141
diff
changeset
|
335 bstart += 1 |
2b1ec74c961f
mdiff/patch: fix bad hunk handling for unified diffs with zero context
Nicolas Venegas <nvenegas@atlassian.com>
parents:
15141
diff
changeset
|
336 |
31269
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
337 hunkrange = astart, alen, bstart, blen |
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
338 hunklines = ( |
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
339 ["@@ -%d,%d +%d,%d @@%s\n" % (hunkrange + (func,))] |
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
340 + delta |
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
341 + [' ' + l1[x] for x in xrange(a2, aend)] |
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
342 ) |
5e7fd3a0b17f
mdiff: let _unidiff yield hunks as (<range information>, <hunk lines>)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
31268
diff
changeset
|
343 yield hunkrange, hunklines |
1637 | 344 |
345 # bdiff.blocks gives us the matching sequences in the files. The loop | |
346 # below finds the spaces between those matching sequences and translates | |
347 # them into diff output. | |
348 # | |
349 hunk = None | |
16089
2e8f4b82c551
mdiff: adjust hunk offsets with --ignore-blank-lines (issue3234)
Patrick Mezard <patrick@mezard.eu>
parents:
15657
diff
changeset
|
350 ignoredlines = 0 |
15526
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
351 for s, stype in allblocks(t1, t2, opts, l1, l2): |
16089
2e8f4b82c551
mdiff: adjust hunk offsets with --ignore-blank-lines (issue3234)
Patrick Mezard <patrick@mezard.eu>
parents:
15657
diff
changeset
|
352 a1, a2, b1, b2 = s |
15526
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
353 if stype != '!': |
16089
2e8f4b82c551
mdiff: adjust hunk offsets with --ignore-blank-lines (issue3234)
Patrick Mezard <patrick@mezard.eu>
parents:
15657
diff
changeset
|
354 if stype == '~': |
2e8f4b82c551
mdiff: adjust hunk offsets with --ignore-blank-lines (issue3234)
Patrick Mezard <patrick@mezard.eu>
parents:
15657
diff
changeset
|
355 # The diff context lines are based on t1 content. When |
2e8f4b82c551
mdiff: adjust hunk offsets with --ignore-blank-lines (issue3234)
Patrick Mezard <patrick@mezard.eu>
parents:
15657
diff
changeset
|
356 # blank lines are ignored, the new lines offsets must |
2e8f4b82c551
mdiff: adjust hunk offsets with --ignore-blank-lines (issue3234)
Patrick Mezard <patrick@mezard.eu>
parents:
15657
diff
changeset
|
357 # be adjusted as if equivalent blocks ('~') had the |
2e8f4b82c551
mdiff: adjust hunk offsets with --ignore-blank-lines (issue3234)
Patrick Mezard <patrick@mezard.eu>
parents:
15657
diff
changeset
|
358 # same sizes on both sides. |
2e8f4b82c551
mdiff: adjust hunk offsets with --ignore-blank-lines (issue3234)
Patrick Mezard <patrick@mezard.eu>
parents:
15657
diff
changeset
|
359 ignoredlines += (b2 - b1) - (a2 - a1) |
15526
e6519c628454
mdiff: make diffblocks() return all blocks, matching and changed
Patrick Mezard <pmezard@gmail.com>
parents:
15525
diff
changeset
|
360 continue |
1637 | 361 delta = [] |
362 old = l1[a1:a2] | |
363 new = l2[b1:b2] | |
364 | |
16089
2e8f4b82c551
mdiff: adjust hunk offsets with --ignore-blank-lines (issue3234)
Patrick Mezard <patrick@mezard.eu>
parents:
15657
diff
changeset
|
365 b1 -= ignoredlines |
2e8f4b82c551
mdiff: adjust hunk offsets with --ignore-blank-lines (issue3234)
Patrick Mezard <patrick@mezard.eu>
parents:
15657
diff
changeset
|
366 b2 -= ignoredlines |
1637 | 367 astart = contextstart(a1) |
368 bstart = contextstart(b1) | |
369 prev = None | |
370 if hunk: | |
371 # 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
|
372 if astart < hunk[1] + opts.context + 1: |
1637 | 373 prev = hunk |
374 astart = hunk[1] | |
375 bstart = hunk[3] | |
376 else: | |
10614
d0050f36e688
remove header handling out of mdiff.bunidiff, rename it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10282
diff
changeset
|
377 for x in yieldhunk(hunk): |
1637 | 378 yield x |
379 if prev: | |
380 # we've joined the previous hunk, record the new ending points. | |
381 hunk[1] = a2 | |
382 hunk[3] = b2 | |
383 delta = hunk[4] | |
384 else: | |
385 # create a new hunk | |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
386 hunk = [astart, a2, bstart, b2, delta] |
1637 | 387 |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
388 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
|
389 delta[len(delta):] = ['-' + x for x in old] |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10264
diff
changeset
|
390 delta[len(delta):] = ['+' + x for x in new] |
1637 | 391 |
392 if hunk: | |
10614
d0050f36e688
remove header handling out of mdiff.bunidiff, rename it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
10282
diff
changeset
|
393 for x in yieldhunk(hunk): |
1637 | 394 yield x |
395 | |
17939
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
396 def b85diff(to, tn): |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
397 '''print base85-encoded binary diff''' |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
398 def fmtline(line): |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
399 l = len(line) |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
400 if l <= 26: |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
401 l = chr(ord('A') + l - 1) |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
402 else: |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
403 l = chr(l - 26 + ord('a') - 1) |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
404 return '%c%s\n' % (l, base85.b85encode(line, True)) |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
405 |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
406 def chunk(text, csize=52): |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
407 l = len(text) |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
408 i = 0 |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
409 while i < l: |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
410 yield text[i:i + csize] |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
411 i += csize |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
412 |
17946
1e13b1184292
diff: move index header generation to patch
Guillermo Pérez <bisho@fb.com>
parents:
17941
diff
changeset
|
413 if to is None: |
1e13b1184292
diff: move index header generation to patch
Guillermo Pérez <bisho@fb.com>
parents:
17941
diff
changeset
|
414 to = '' |
1e13b1184292
diff: move index header generation to patch
Guillermo Pérez <bisho@fb.com>
parents:
17941
diff
changeset
|
415 if tn is None: |
1e13b1184292
diff: move index header generation to patch
Guillermo Pérez <bisho@fb.com>
parents:
17941
diff
changeset
|
416 tn = '' |
1e13b1184292
diff: move index header generation to patch
Guillermo Pérez <bisho@fb.com>
parents:
17941
diff
changeset
|
417 |
1e13b1184292
diff: move index header generation to patch
Guillermo Pérez <bisho@fb.com>
parents:
17941
diff
changeset
|
418 if to == tn: |
1e13b1184292
diff: move index header generation to patch
Guillermo Pérez <bisho@fb.com>
parents:
17941
diff
changeset
|
419 return '' |
17939
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
420 |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
421 # TODO: deltas |
17946
1e13b1184292
diff: move index header generation to patch
Guillermo Pérez <bisho@fb.com>
parents:
17941
diff
changeset
|
422 ret = [] |
1e13b1184292
diff: move index header generation to patch
Guillermo Pérez <bisho@fb.com>
parents:
17941
diff
changeset
|
423 ret.append('GIT binary patch\n') |
1e13b1184292
diff: move index header generation to patch
Guillermo Pérez <bisho@fb.com>
parents:
17941
diff
changeset
|
424 ret.append('literal %s\n' % len(tn)) |
17939
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
425 for l in chunk(zlib.compress(tn)): |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
426 ret.append(fmtline(l)) |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
427 ret.append('\n') |
17946
1e13b1184292
diff: move index header generation to patch
Guillermo Pérez <bisho@fb.com>
parents:
17941
diff
changeset
|
428 |
17939
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
429 return ''.join(ret) |
d587925680d9
diff: move b85diff to mdiff module
Guillermo Pérez <bisho at fb.com>
parents:
16362
diff
changeset
|
430 |
120
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
431 def patchtext(bin): |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
432 pos = 0 |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
433 t = [] |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
434 while pos < len(bin): |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
435 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
|
436 pos += 12 |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
437 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
|
438 pos += l |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
439 return "".join(t) |
bae6f0328f63
Add a function to return the new text from a binary diff
mpm@selenic.com
parents:
75
diff
changeset
|
440 |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
441 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
|
442 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
|
443 # skip over trivial delta header |
15657
d976b1ef6760
util: don't mess with builtins to emulate buffer()
Matt Mackall <mpm@selenic.com>
parents:
15530
diff
changeset
|
444 return util.buffer(bin, 12) |
1379 | 445 return mpatch.patches(a, [bin]) |
432 | 446 |
4361
99c853a1408c
add mdiff.get_matching_blocks
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4108
diff
changeset
|
447 # 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
|
448 def get_matching_blocks(a, b): |
99c853a1408c
add mdiff.get_matching_blocks
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4108
diff
changeset
|
449 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
|
450 |
5367
7530334bf301
revlog: generate trivial deltas against null revision
Matt Mackall <mpm@selenic.com>
parents:
4878
diff
changeset
|
451 def trivialdiffheader(length): |
27711
7a678a12a5cf
mdiff: don't emit a diff header for empty trivial deltas
Mike Hommey <mh@glandium.org>
parents:
27484
diff
changeset
|
452 return struct.pack(">lll", 0, 0, length) if length else '' |
5367
7530334bf301
revlog: generate trivial deltas against null revision
Matt Mackall <mpm@selenic.com>
parents:
4878
diff
changeset
|
453 |
24119
a5a06c9c7407
mdiff: add helper for making deltas which replace the full text of a revision
Mike Edgar <adgar@google.com>
parents:
23299
diff
changeset
|
454 def replacediffheader(oldlen, newlen): |
a5a06c9c7407
mdiff: add helper for making deltas which replace the full text of a revision
Mike Edgar <adgar@google.com>
parents:
23299
diff
changeset
|
455 return struct.pack(">lll", 0, oldlen, newlen) |
a5a06c9c7407
mdiff: add helper for making deltas which replace the full text of a revision
Mike Edgar <adgar@google.com>
parents:
23299
diff
changeset
|
456 |
1379 | 457 patches = mpatch.patches |
2078
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
1723
diff
changeset
|
458 patchedsize = mpatch.patchedsize |
432 | 459 textdiff = bdiff.bdiff |