« back to all changes in this revision
Viewing changes to bzrlib/diff.py
- browse files at revision 1185.82.138
- compare with another revision
- compare with revision 5076.4.6
- download diff
- download tarball
- view history from revision 1185.82.138
- Committer: Aaron Bentley
- Date: 2006-06-06 17:10:05 UTC
- mfrom: (1744 +trunk)
- mto: This revision was merged to the branch mainline in revision 1748.
- Revision ID: aaron.bentley@utoronto.ca-20060606171005-e2b50e39cd5056be
Merge from bzr.dev
- files modified:
- HACKING
added
removed
bzrlib/diff.py
14
14
# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16
16
17
import time
18
17
19
from bzrlib.delta import compare_trees
18
20
from bzrlib.errors import BzrError
19
21
import bzrlib.errors as errors
54
56
if sequence_matcher is None:
55
57
sequence_matcher = bzrlib.patiencediff.PatienceSequenceMatcher
56
58
ud = unified_diff(oldlines, newlines,
57
fromfile=old_filename.encode(path_encoding)+'\t',
58
tofile=new_filename.encode(path_encoding)+'\t',
59
fromfile=old_filename.encode(path_encoding),
60
tofile=new_filename.encode(path_encoding),
59
61
sequencematcher=sequence_matcher)
60
62
61
63
ud = list(ud)
111
113
if not diff_opts:
112
114
diff_opts = []
113
115
diffcmd = ['diff',
114
'--label', old_filename+'\t',
116
'--label', old_filename,
115
117
oldtmpf.name,
116
'--label', new_filename+'\t',
118
'--label', new_filename,
117
119
newtmpf.name]
118
120
119
121
# diff only allows one style to be specified; they don't override.
267
269
specific_files, external_diff_options,
268
270
old_label='a/', new_label='b/' ):
269
271
270
DEVNULL = '/dev/null'
271
# Windows users, don't panic about this filename -- it is a
272
# special signal to GNU patch that the file should be created or
273
# deleted respectively.
272
# GNU Patch uses the epoch date to detect files that are being added
273
# or removed in a diff.
274
EPOCH_DATE = '1970-01-01 00:00:00 +0000'
274
275
275
276
# TODO: Generation of pseudo-diffs for added/deleted files could
276
277
# be usefully made into a much faster special case.
292
293
for path, file_id, kind in delta.removed:
293
294
has_changes = 1
294
295
print >>to_file, '=== removed %s %r' % (kind, path.encode('utf8'))
295
old_tree.inventory[file_id].diff(diff_file, old_label + path, old_tree,
296
DEVNULL, None, None, to_file)
296
old_name = '%s%s\t%s' % (old_label, path,
297
_patch_header_date(old_tree, file_id, path))
298
new_name = '%s%s\t%s' % (new_label, path, EPOCH_DATE)
299
old_tree.inventory[file_id].diff(diff_file, old_name, old_tree,
300
new_name, None, None, to_file)
297
301
for path, file_id, kind in delta.added:
298
302
has_changes = 1
299
303
print >>to_file, '=== added %s %r' % (kind, path.encode('utf8'))
300
new_tree.inventory[file_id].diff(diff_file, new_label + path, new_tree,
301
DEVNULL, None, None, to_file,
304
old_name = '%s%s\t%s' % (old_label, path, EPOCH_DATE)
305
new_name = '%s%s\t%s' % (new_label, path,
306
_patch_header_date(new_tree, file_id, path))
307
new_tree.inventory[file_id].diff(diff_file, new_name, new_tree,
308
old_name, None, None, to_file,
302
309
reverse=True)
303
310
for (old_path, new_path, file_id, kind,
304
311
text_modified, meta_modified) in delta.renamed:
307
314
print >>to_file, '=== renamed %s %r => %r%s' % (
308
315
kind, old_path.encode('utf8'),
309
316
new_path.encode('utf8'), prop_str)
310
_maybe_diff_file_or_symlink(old_label, old_path, old_tree, file_id,
311
new_label, new_path, new_tree,
317
old_name = '%s%s\t%s' % (old_label, old_path,
318
_patch_header_date(old_tree, file_id,
319
old_path))
320
new_name = '%s%s\t%s' % (new_label, new_path,
321
_patch_header_date(new_tree, file_id,
322
new_path))
323
_maybe_diff_file_or_symlink(old_name, old_tree, file_id,
324
new_name, new_tree,
312
325
text_modified, kind, to_file, diff_file)
313
326
for path, file_id, kind, text_modified, meta_modified in delta.modified:
314
327
has_changes = 1
315
328
prop_str = get_prop_change(meta_modified)
316
329
print >>to_file, '=== modified %s %r%s' % (kind, path.encode('utf8'), prop_str)
330
old_name = '%s%s\t%s' % (old_label, path,
331
_patch_header_date(old_tree, file_id, path))
332
new_name = '%s%s\t%s' % (new_label, path,
333
_patch_header_date(new_tree, file_id, path))
317
334
if text_modified:
318
_maybe_diff_file_or_symlink(old_label, path, old_tree, file_id,
319
new_label, path, new_tree,
335
_maybe_diff_file_or_symlink(old_name, old_tree, file_id,
336
new_name, new_tree,
320
337
True, kind, to_file, diff_file)
321
338
322
339
return has_changes
323
340
324
341
342
def _patch_header_date(tree, file_id, path):
343
"""Returns a timestamp suitable for use in a patch header."""
344
tm = time.gmtime(tree.get_file_mtime(file_id, path))
345
return time.strftime('%Y-%m-%d %H:%M:%S +0000', tm)
346
347
325
348
def _raise_if_doubly_unversioned(specific_files, old_tree, new_tree):
326
349
"""Complain if paths are not versioned in either tree."""
327
350
if not specific_files:
359
382
return ""
360
383
361
384
362
def _maybe_diff_file_or_symlink(old_label, old_path, old_tree, file_id,
363
new_label, new_path, new_tree, text_modified,
385
def _maybe_diff_file_or_symlink(old_path, old_tree, file_id,
386
new_path, new_tree, text_modified,
364
387
kind, to_file, diff_file):
365
388
if text_modified:
366
389
new_entry = new_tree.inventory[file_id]
367
390
old_tree.inventory[file_id].diff(diff_file,
368
old_label + old_path, old_tree,
369
new_label + new_path, new_entry,
391
old_path, old_tree,
392
new_path, new_entry,
370
393
new_tree, to_file)
Loggerhead is a web-based interface for Breezy
Version: 2.0.1