130
def _enumerate_history(branch):
133
for rev_id in branch.revision_history():
134
rh.append((revno, rev_id))
69
139
def show_log(branch,
71
show_timezone='original',
141
specific_fileid=None,
75
148
"""Write out human-readable log of commits to this branch.
151
LogFormatter object to show the output.
78
154
If true, list only the commits affecting the specified
79
155
file, rather than all commits.
82
'original' (committer's timezone),
83
'utc' (universal time), or
84
'local' (local user's timezone)
87
158
If true show added/changed/deleted/renamed files.
90
If true, show revision and file ids.
93
File to send log to; by default stdout.
95
from osutils import format_date
96
from errors import BzrCheckError
97
from diff import compare_inventories
98
from textui import show_status
99
from inventory import Inventory
106
file_id = branch.read_working_inventory().path2id(filename)
108
for revno, revid, why in find_touching_revisions(branch, file_id):
112
for i, revid in enumerate(branch.revision_history()):
161
'reverse' (default) is latest to earliest;
162
'forward' is earliest to latest.
165
If not None, only show revisions >= start_revision
168
If not None, only show revisions <= end_revision
171
If not None, only show revisions with matching commit messages
174
If not None or 0, only show limit revisions
178
if getattr(lf, 'begin_log', None):
181
_show_log(branch, lf, specific_fileid, verbose, direction,
182
start_revision, end_revision, search, limit)
184
if getattr(lf, 'end_log', None):
190
def _show_log(branch,
192
specific_fileid=None,
199
"""Worker function for show_log - see show_log."""
200
if not isinstance(lf, LogFormatter):
201
warn("not a LogFormatter instance: %r" % lf)
204
trace.mutter('get log for file_id %r', specific_fileid)
205
generate_merge_revisions = getattr(lf, 'supports_merge_revisions', False)
206
allow_single_merge_revision = getattr(lf,
207
'supports_single_merge_revision', False)
208
view_revisions = calculate_view_revisions(branch, start_revision,
209
end_revision, direction,
211
generate_merge_revisions,
212
allow_single_merge_revision)
214
generate_tags = getattr(lf, 'supports_tags', False)
216
if branch.supports_tags():
217
rev_tag_dict = branch.tags.get_reverse_tag_dict()
219
generate_delta = verbose and getattr(lf, 'supports_delta', False)
221
# now we just print all the revisions
223
revision_iterator = make_log_rev_iterator(branch, view_revisions,
224
generate_delta, search)
225
for revs in revision_iterator:
226
for (rev_id, revno, merge_depth), rev, delta in revs:
227
lr = LogRevision(rev, revno, merge_depth, delta,
228
rev_tag_dict.get(rev_id))
232
if log_count >= limit:
236
def calculate_view_revisions(branch, start_revision, end_revision, direction,
237
specific_fileid, generate_merge_revisions,
238
allow_single_merge_revision):
239
if (not generate_merge_revisions and start_revision is end_revision is
240
None and direction == 'reverse' and specific_fileid is None):
241
return _linear_view_revisions(branch)
243
mainline_revs, rev_nos, start_rev_id, end_rev_id = \
244
_get_mainline_revs(branch, start_revision, end_revision)
245
if not mainline_revs:
248
if direction == 'reverse':
249
start_rev_id, end_rev_id = end_rev_id, start_rev_id
251
generate_single_revision = False
252
if ((not generate_merge_revisions)
253
and ((start_rev_id and (start_rev_id not in rev_nos))
254
or (end_rev_id and (end_rev_id not in rev_nos)))):
255
generate_single_revision = ((start_rev_id == end_rev_id)
256
and allow_single_merge_revision)
257
if not generate_single_revision:
258
raise errors.BzrCommandError('Selected log formatter only supports'
259
' mainline revisions.')
260
generate_merge_revisions = generate_single_revision
261
view_revs_iter = get_view_revisions(mainline_revs, rev_nos, branch,
262
direction, include_merges=generate_merge_revisions)
263
view_revisions = _filter_revision_range(list(view_revs_iter),
266
if view_revisions and generate_single_revision:
267
view_revisions = view_revisions[0:1]
269
view_revisions = _filter_revisions_touching_file_id(branch,
274
# rebase merge_depth - unless there are no revisions or
275
# either the first or last revision have merge_depth = 0.
276
if view_revisions and view_revisions[0][2] and view_revisions[-1][2]:
277
min_depth = min([d for r,n,d in view_revisions])
279
view_revisions = [(r,n,d-min_depth) for r,n,d in view_revisions]
280
return view_revisions
283
def _linear_view_revisions(branch):
284
start_revno, start_revision_id = branch.last_revision_info()
285
repo = branch.repository
286
revision_ids = repo.iter_reverse_revision_history(start_revision_id)
287
for num, revision_id in enumerate(revision_ids):
288
yield revision_id, str(start_revno - num), 0
291
def make_log_rev_iterator(branch, view_revisions, generate_delta, search):
292
"""Create a revision iterator for log.
294
:param branch: The branch being logged.
295
:param view_revisions: The revisions being viewed.
296
:param generate_delta: Whether to generate a delta for each revision.
297
:param search: A user text search string.
298
:return: An iterator over lists of ((rev_id, revno, merge_depth), rev,
301
# Convert view_revisions into (view, None, None) groups to fit with
302
# the standard interface here.
303
if type(view_revisions) == list:
304
# A single batch conversion is faster than many incremental ones.
305
# As we have all the data, do a batch conversion.
306
nones = [None] * len(view_revisions)
307
log_rev_iterator = iter([zip(view_revisions, nones, nones)])
310
for view in view_revisions:
311
yield (view, None, None)
312
log_rev_iterator = iter([_convert()])
313
for adapter in log_adapters:
314
log_rev_iterator = adapter(branch, generate_delta, search,
316
return log_rev_iterator
319
def _make_search_filter(branch, generate_delta, search, log_rev_iterator):
320
"""Create a filtered iterator of log_rev_iterator matching on a regex.
322
:param branch: The branch being logged.
323
:param generate_delta: Whether to generate a delta for each revision.
324
:param search: A user text search string.
325
:param log_rev_iterator: An input iterator containing all revisions that
326
could be displayed, in lists.
327
:return: An iterator over lists of ((rev_id, revno, merge_depth), rev,
331
return log_rev_iterator
332
# Compile the search now to get early errors.
333
searchRE = re.compile(search, re.IGNORECASE)
334
return _filter_message_re(searchRE, log_rev_iterator)
337
def _filter_message_re(searchRE, log_rev_iterator):
338
for revs in log_rev_iterator:
340
for (rev_id, revno, merge_depth), rev, delta in revs:
341
if searchRE.search(rev.message):
342
new_revs.append(((rev_id, revno, merge_depth), rev, delta))
346
def _make_delta_filter(branch, generate_delta, search, log_rev_iterator):
347
"""Add revision deltas to a log iterator if needed.
349
:param branch: The branch being logged.
350
:param generate_delta: Whether to generate a delta for each revision.
351
:param search: A user text search string.
352
:param log_rev_iterator: An input iterator containing all revisions that
353
could be displayed, in lists.
354
:return: An iterator over lists of ((rev_id, revno, merge_depth), rev,
357
if not generate_delta:
358
return log_rev_iterator
359
return _generate_deltas(branch.repository, log_rev_iterator)
362
def _generate_deltas(repository, log_rev_iterator):
363
"""Create deltas for each batch of revisions in log_rev_iterator."""
364
for revs in log_rev_iterator:
365
revisions = [rev[1] for rev in revs]
366
deltas = repository.get_deltas_for_revisions(revisions)
367
revs = [(rev[0], rev[1], delta) for rev, delta in izip(revs, deltas)]
371
def _make_revision_objects(branch, generate_delta, search, log_rev_iterator):
372
"""Extract revision objects from the repository
374
:param branch: The branch being logged.
375
:param generate_delta: Whether to generate a delta for each revision.
376
:param search: A user text search string.
377
:param log_rev_iterator: An input iterator containing all revisions that
378
could be displayed, in lists.
379
:return: An iterator over lists of ((rev_id, revno, merge_depth), rev,
382
repository = branch.repository
383
for revs in log_rev_iterator:
384
# r = revision_id, n = revno, d = merge depth
385
revision_ids = [view[0] for view, _, _ in revs]
386
revisions = repository.get_revisions(revision_ids)
387
revs = [(rev[0], revision, rev[2]) for rev, revision in
388
izip(revs, revisions)]
392
def _make_batch_filter(branch, generate_delta, search, log_rev_iterator):
393
"""Group up a single large batch into smaller ones.
395
:param branch: The branch being logged.
396
:param generate_delta: Whether to generate a delta for each revision.
397
:param search: A user text search string.
398
:param log_rev_iterator: An input iterator containing all revisions that
399
could be displayed, in lists.
400
:return: An iterator over lists of ((rev_id, revno, merge_depth), rev, delta).
402
repository = branch.repository
404
for batch in log_rev_iterator:
407
step = [detail for _, detail in zip(range(num), batch)]
411
num = min(int(num * 1.5), 200)
414
def _get_mainline_revs(branch, start_revision, end_revision):
415
"""Get the mainline revisions from the branch.
417
Generates the list of mainline revisions for the branch.
419
:param branch: The branch containing the revisions.
421
:param start_revision: The first revision to be logged.
422
For backwards compatibility this may be a mainline integer revno,
423
but for merge revision support a RevisionInfo is expected.
425
:param end_revision: The last revision to be logged.
426
For backwards compatibility this may be a mainline integer revno,
427
but for merge revision support a RevisionInfo is expected.
429
:return: A (mainline_revs, rev_nos, start_rev_id, end_rev_id) tuple.
431
branch_revno, branch_last_revision = branch.last_revision_info()
432
if branch_revno == 0:
433
return None, None, None, None
435
# For mainline generation, map start_revision and end_revision to
436
# mainline revnos. If the revision is not on the mainline choose the
437
# appropriate extreme of the mainline instead - the extra will be
439
# Also map the revisions to rev_ids, to be used in the later filtering
442
if start_revision is None:
445
if isinstance(start_revision, revisionspec.RevisionInfo):
446
start_rev_id = start_revision.rev_id
447
start_revno = start_revision.revno or 1
449
branch.check_real_revno(start_revision)
450
start_revno = start_revision
453
if end_revision is None:
454
end_revno = branch_revno
456
if isinstance(end_revision, revisionspec.RevisionInfo):
457
end_rev_id = end_revision.rev_id
458
end_revno = end_revision.revno or branch_revno
460
branch.check_real_revno(end_revision)
461
end_revno = end_revision
463
if ((start_rev_id == _mod_revision.NULL_REVISION)
464
or (end_rev_id == _mod_revision.NULL_REVISION)):
465
raise errors.BzrCommandError('Logging revision 0 is invalid.')
466
if start_revno > end_revno:
467
raise errors.BzrCommandError("Start revision must be older than "
470
if end_revno < start_revno:
471
return None, None, None, None
472
cur_revno = branch_revno
475
for revision_id in branch.repository.iter_reverse_revision_history(
476
branch_last_revision):
477
if cur_revno < start_revno:
478
# We have gone far enough, but we always add 1 more revision
479
rev_nos[revision_id] = cur_revno
480
mainline_revs.append(revision_id)
482
if cur_revno <= end_revno:
483
rev_nos[revision_id] = cur_revno
484
mainline_revs.append(revision_id)
487
# We walked off the edge of all revisions, so we add a 'None' marker
488
mainline_revs.append(None)
490
mainline_revs.reverse()
492
# override the mainline to look like the revision history.
493
return mainline_revs, rev_nos, start_rev_id, end_rev_id
496
def _filter_revision_range(view_revisions, start_rev_id, end_rev_id):
497
"""Filter view_revisions based on revision ranges.
499
:param view_revisions: A list of (revision_id, dotted_revno, merge_depth)
500
tuples to be filtered.
502
:param start_rev_id: If not NONE specifies the first revision to be logged.
503
If NONE then all revisions up to the end_rev_id are logged.
505
:param end_rev_id: If not NONE specifies the last revision to be logged.
506
If NONE then all revisions up to the end of the log are logged.
508
:return: The filtered view_revisions.
510
if start_rev_id or end_rev_id:
511
revision_ids = [r for r, n, d in view_revisions]
513
start_index = revision_ids.index(start_rev_id)
516
if start_rev_id == end_rev_id:
517
end_index = start_index
520
end_index = revision_ids.index(end_rev_id)
522
end_index = len(view_revisions) - 1
523
# To include the revisions merged into the last revision,
524
# extend end_rev_id down to, but not including, the next rev
525
# with the same or lesser merge_depth
526
end_merge_depth = view_revisions[end_index][2]
528
for index in xrange(end_index+1, len(view_revisions)+1):
529
if view_revisions[index][2] <= end_merge_depth:
530
end_index = index - 1
533
# if the search falls off the end then log to the end as well
534
end_index = len(view_revisions) - 1
535
view_revisions = view_revisions[start_index:end_index+1]
536
return view_revisions
539
def _filter_revisions_touching_file_id(branch, file_id, mainline_revisions,
541
"""Return the list of revision ids which touch a given file id.
543
The function filters view_revisions and returns a subset.
544
This includes the revisions which directly change the file id,
545
and the revisions which merge these changes. So if the
553
And 'C' changes a file, then both C and D will be returned.
555
This will also can be restricted based on a subset of the mainline.
557
:return: A list of (revision_id, dotted_revno, merge_depth) tuples.
559
# find all the revisions that change the specific file
560
# build the ancestry of each revision in the graph
561
# - only listing the ancestors that change the specific file.
562
graph = branch.repository.get_graph()
563
# This asks for all mainline revisions, which means we only have to spider
564
# sideways, rather than depth history. That said, its still size-of-history
565
# and should be addressed.
566
# mainline_revisions always includes an extra revision at the beginning, so
568
parent_map = dict(((key, value) for key, value in
569
graph.iter_ancestry(mainline_revisions[1:]) if value is not None))
570
sorted_rev_list = tsort.topo_sort(parent_map.items())
571
text_keys = [(file_id, rev_id) for rev_id in sorted_rev_list]
572
modified_text_versions = branch.repository.texts.get_parent_map(text_keys)
574
for rev in sorted_rev_list:
575
text_key = (file_id, rev)
576
parents = parent_map[rev]
577
if text_key not in modified_text_versions and len(parents) == 1:
578
# We will not be adding anything new, so just use a reference to
579
# the parent ancestry.
580
rev_ancestry = ancestry[parents[0]]
583
if text_key in modified_text_versions:
584
rev_ancestry.add(rev)
585
for parent in parents:
586
if parent not in ancestry:
587
# parent is a Ghost, which won't be present in
588
# sorted_rev_list, but we may access it later, so create an
590
ancestry[parent] = set()
591
rev_ancestry = rev_ancestry.union(ancestry[parent])
592
ancestry[rev] = rev_ancestry
594
def is_merging_rev(r):
595
parents = parent_map[r]
597
leftparent = parents[0]
598
for rightparent in parents[1:]:
599
if not ancestry[leftparent].issuperset(
600
ancestry[rightparent]):
604
# filter from the view the revisions that did not change or merge
606
return [(r, n, d) for r, n, d in view_revs_iter
607
if (file_id, r) in modified_text_versions or is_merging_rev(r)]
610
def get_view_revisions(mainline_revs, rev_nos, branch, direction,
611
include_merges=True):
612
"""Produce an iterator of revisions to show
613
:return: an iterator of (revision_id, revno, merge_depth)
614
(if there is no revno for a revision, None is supplied)
616
if include_merges is False:
617
revision_ids = mainline_revs[1:]
618
if direction == 'reverse':
619
revision_ids.reverse()
620
for revision_id in revision_ids:
621
yield revision_id, str(rev_nos[revision_id]), 0
623
graph = branch.repository.get_graph()
624
# This asks for all mainline revisions, which means we only have to spider
625
# sideways, rather than depth history. That said, its still size-of-history
626
# and should be addressed.
627
# mainline_revisions always includes an extra revision at the beginning, so
629
parent_map = dict(((key, value) for key, value in
630
graph.iter_ancestry(mainline_revs[1:]) if value is not None))
631
# filter out ghosts; merge_sort errors on ghosts.
632
rev_graph = _mod_repository._strip_NULL_ghosts(parent_map)
633
merge_sorted_revisions = tsort.merge_sort(
639
if direction == 'forward':
640
# forward means oldest first.
641
merge_sorted_revisions = reverse_by_depth(merge_sorted_revisions)
642
elif direction != 'reverse':
643
raise ValueError('invalid direction %r' % direction)
645
for sequence, rev_id, merge_depth, revno, end_of_merge in merge_sorted_revisions:
646
yield rev_id, '.'.join(map(str, revno)), merge_depth
649
def reverse_by_depth(merge_sorted_revisions, _depth=0):
650
"""Reverse revisions by depth.
652
Revisions with a different depth are sorted as a group with the previous
653
revision of that depth. There may be no topological justification for this,
654
but it looks much nicer.
657
for val in merge_sorted_revisions:
659
zd_revisions.append([val])
661
zd_revisions[-1].append(val)
662
for revisions in zd_revisions:
663
if len(revisions) > 1:
664
revisions[1:] = reverse_by_depth(revisions[1:], _depth + 1)
665
zd_revisions.reverse()
667
for chunk in zd_revisions:
672
class LogRevision(object):
673
"""A revision to be logged (by LogFormatter.log_revision).
675
A simple wrapper for the attributes of a revision to be logged.
676
The attributes may or may not be populated, as determined by the
677
logging options and the log formatter capabilities.
680
def __init__(self, rev=None, revno=None, merge_depth=0, delta=None,
684
self.merge_depth = merge_depth
689
class LogFormatter(object):
690
"""Abstract class to display log messages.
692
At a minimum, a derived class must implement the log_revision method.
694
If the LogFormatter needs to be informed of the beginning or end of
695
a log it should implement the begin_log and/or end_log hook methods.
697
A LogFormatter should define the following supports_XXX flags
698
to indicate which LogRevision attributes it supports:
700
- supports_delta must be True if this log formatter supports delta.
701
Otherwise the delta attribute may not be populated.
702
- supports_merge_revisions must be True if this log formatter supports
703
merge revisions. If not, and if supports_single_merge_revisions is
704
also not True, then only mainline revisions will be passed to the
706
- supports_single_merge_revision must be True if this log formatter
707
supports logging only a single merge revision. This flag is
708
only relevant if supports_merge_revisions is not True.
709
- supports_tags must be True if this log formatter supports tags.
710
Otherwise the tags attribute may not be populated.
712
Plugins can register functions to show custom revision properties using
713
the properties_handler_registry. The registered function
714
must respect the following interface description:
715
def my_show_properties(properties_dict):
716
# code that returns a dict {'name':'value'} of the properties
720
def __init__(self, to_file, show_ids=False, show_timezone='original'):
721
self.to_file = to_file
722
self.show_ids = show_ids
723
self.show_timezone = show_timezone
725
# TODO: uncomment this block after show() has been removed.
726
# Until then defining log_revision would prevent _show_log calling show()
727
# in legacy formatters.
728
# def log_revision(self, revision):
731
# :param revision: The LogRevision to be logged.
733
# raise NotImplementedError('not implemented in abstract base')
735
def short_committer(self, rev):
736
name, address = config.parse_username(rev.committer)
741
def short_author(self, rev):
742
name, address = config.parse_username(rev.get_apparent_author())
747
def show_properties(self, revision, indent):
748
"""Displays the custom properties returned by each registered handler.
115
branch._need_readlock()
118
prev_inv = Inventory()
119
for revno, revision_id in which_revs():
120
print >>to_file, '-' * 60
121
print >>to_file, 'revno:', revno
122
rev = branch.get_revision(revision_id)
124
print >>to_file, 'revision-id:', revision_id
125
print >>to_file, 'committer:', rev.committer
126
print >>to_file, 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0,
129
if revision_id != rev.revision_id:
130
raise BzrCheckError("retrieved wrong revision: %r"
131
% (revision_id, rev.revision_id))
133
print >>to_file, 'message:'
750
If a registered handler raises an error it is propagated.
752
for key, handler in properties_handler_registry.iteritems():
753
for key, value in handler(revision).items():
754
self.to_file.write(indent + key + ': ' + value + '\n')
757
class LongLogFormatter(LogFormatter):
759
supports_merge_revisions = True
760
supports_delta = True
763
def log_revision(self, revision):
764
"""Log a revision, either merged or not."""
765
indent = ' ' * revision.merge_depth
766
to_file = self.to_file
767
to_file.write(indent + '-' * 60 + '\n')
768
if revision.revno is not None:
769
to_file.write(indent + 'revno: %s\n' % (revision.revno,))
771
to_file.write(indent + 'tags: %s\n' % (', '.join(revision.tags)))
773
to_file.write(indent + 'revision-id: ' + revision.rev.revision_id)
775
for parent_id in revision.rev.parent_ids:
776
to_file.write(indent + 'parent: %s\n' % (parent_id,))
777
self.show_properties(revision.rev, indent)
779
author = revision.rev.properties.get('author', None)
780
if author is not None:
781
to_file.write(indent + 'author: %s\n' % (author,))
782
to_file.write(indent + 'committer: %s\n' % (revision.rev.committer,))
784
branch_nick = revision.rev.properties.get('branch-nick', None)
785
if branch_nick is not None:
786
to_file.write(indent + 'branch nick: %s\n' % (branch_nick,))
788
date_str = format_date(revision.rev.timestamp,
789
revision.rev.timezone or 0,
791
to_file.write(indent + 'timestamp: %s\n' % (date_str,))
793
to_file.write(indent + 'message:\n')
794
if not revision.rev.message:
795
to_file.write(indent + ' (no message)\n')
797
message = revision.rev.message.rstrip('\r\n')
798
for l in message.split('\n'):
799
to_file.write(indent + ' %s\n' % (l,))
800
if revision.delta is not None:
801
revision.delta.show(to_file, self.show_ids, indent=indent)
804
class ShortLogFormatter(LogFormatter):
806
supports_delta = True
807
supports_single_merge_revision = True
809
def log_revision(self, revision):
810
to_file = self.to_file
812
if len(revision.rev.parent_ids) > 1:
813
is_merge = ' [merge]'
814
to_file.write("%5s %s\t%s%s\n" % (revision.revno,
815
self.short_author(revision.rev),
816
format_date(revision.rev.timestamp,
817
revision.rev.timezone or 0,
818
self.show_timezone, date_fmt="%Y-%m-%d",
822
to_file.write(' revision-id:%s\n' % (revision.rev.revision_id,))
823
if not revision.rev.message:
824
to_file.write(' (no message)\n')
826
message = revision.rev.message.rstrip('\r\n')
827
for l in message.split('\n'):
828
to_file.write(' %s\n' % (l,))
830
# TODO: Why not show the modified files in a shorter form as
831
# well? rewrap them single lines of appropriate length
832
if revision.delta is not None:
833
revision.delta.show(to_file, self.show_ids)
837
class LineLogFormatter(LogFormatter):
839
supports_single_merge_revision = True
841
def __init__(self, *args, **kwargs):
842
super(LineLogFormatter, self).__init__(*args, **kwargs)
843
self._max_chars = terminal_width() - 1
845
def truncate(self, str, max_len):
846
if len(str) <= max_len:
848
return str[:max_len-3]+'...'
850
def date_string(self, rev):
851
return format_date(rev.timestamp, rev.timezone or 0,
852
self.show_timezone, date_fmt="%Y-%m-%d",
855
def message(self, rev):
134
856
if not rev.message:
135
print >>to_file, ' (no message)'
857
return '(no message)'
137
for l in rev.message.split('\n'):
138
print >>to_file, ' ' + l
140
# Don't show a list of changed files if we were asked about
143
if verbose and not filename:
144
this_inv = branch.get_inventory(rev.inventory_id)
145
delta = compare_inventories(prev_inv, this_inv)
148
print >>to_file, 'removed files:'
149
for path, fid in delta.removed:
151
print >>to_file, ' %-30s %s' % (path, fid)
153
print >>to_file, ' ', path
155
print >>to_file, 'added files:'
156
for path, fid in delta.added:
158
print >>to_file, ' %-30s %s' % (path, fid)
160
print >>to_file, ' ' + path
162
print >>to_file, 'renamed files:'
163
for oldpath, newpath, fid in delta.renamed:
165
print >>to_file, ' %s => %s %s' % (oldpath, newpath, fid)
167
print >>to_file, ' %s => %s' % (oldpath, newpath)
169
print >>to_file, 'modified files:'
170
for path, fid in delta.modified:
172
print >>to_file, ' %-30s %s' % (path, fid)
174
print >>to_file, ' ' + path
178
precursor = revision_id
861
def log_revision(self, revision):
862
self.to_file.write(self.log_string(revision.revno, revision.rev,
864
self.to_file.write('\n')
866
def log_string(self, revno, rev, max_chars):
867
"""Format log info into one string. Truncate tail of string
868
:param revno: revision number (int) or None.
869
Revision numbers counts from 1.
870
:param rev: revision info object
871
:param max_chars: maximum length of resulting string
872
:return: formatted truncated string
876
# show revno only when is not None
877
out.append("%s:" % revno)
878
out.append(self.truncate(self.short_author(rev), 20))
879
out.append(self.date_string(rev))
880
out.append(rev.get_summary())
881
return self.truncate(" ".join(out).rstrip('\n'), max_chars)
884
def line_log(rev, max_chars):
885
lf = LineLogFormatter(None)
886
return lf.log_string(None, rev, max_chars)
889
class LogFormatterRegistry(registry.Registry):
890
"""Registry for log formatters"""
892
def make_formatter(self, name, *args, **kwargs):
893
"""Construct a formatter from arguments.
895
:param name: Name of the formatter to construct. 'short', 'long' and
898
return self.get(name)(*args, **kwargs)
900
def get_default(self, branch):
901
return self.get(branch.get_config().log_format())
904
log_formatter_registry = LogFormatterRegistry()
907
log_formatter_registry.register('short', ShortLogFormatter,
908
'Moderately short log format')
909
log_formatter_registry.register('long', LongLogFormatter,
910
'Detailed log format')
911
log_formatter_registry.register('line', LineLogFormatter,
912
'Log format with one line per revision')
915
def register_formatter(name, formatter):
916
log_formatter_registry.register(name, formatter)
919
def log_formatter(name, *args, **kwargs):
920
"""Construct a formatter from arguments.
922
name -- Name of the formatter to construct; currently 'long', 'short' and
923
'line' are supported.
926
return log_formatter_registry.make_formatter(name, *args, **kwargs)
928
raise errors.BzrCommandError("unknown log formatter: %r" % name)
931
def show_one_log(revno, rev, delta, verbose, to_file, show_timezone):
932
# deprecated; for compatibility
933
lf = LongLogFormatter(to_file=to_file, show_timezone=show_timezone)
934
lf.show(revno, rev, delta)
937
def show_changed_revisions(branch, old_rh, new_rh, to_file=None,
939
"""Show the change in revision history comparing the old revision history to the new one.
941
:param branch: The branch where the revisions exist
942
:param old_rh: The old revision history
943
:param new_rh: The new revision history
944
:param to_file: A file to write the results to. If None, stdout will be used
947
to_file = codecs.getwriter(get_terminal_encoding())(sys.stdout,
949
lf = log_formatter(log_format,
952
show_timezone='original')
954
# This is the first index which is different between
957
for i in xrange(max(len(new_rh),
961
or new_rh[i] != old_rh[i]):
966
to_file.write('Nothing seems to have changed\n')
968
## TODO: It might be nice to do something like show_log
969
## and show the merged entries. But since this is the
970
## removed revisions, it shouldn't be as important
971
if base_idx < len(old_rh):
972
to_file.write('*'*60)
973
to_file.write('\nRemoved Revisions:\n')
974
for i in range(base_idx, len(old_rh)):
975
rev = branch.repository.get_revision(old_rh[i])
976
lr = LogRevision(rev, i+1, 0, None)
978
to_file.write('*'*60)
979
to_file.write('\n\n')
980
if base_idx < len(new_rh):
981
to_file.write('Added Revisions:\n')
987
start_revision=base_idx+1,
988
end_revision=len(new_rh),
992
properties_handler_registry = registry.Registry()
994
# adapters which revision ids to log are filtered. When log is called, the
995
# log_rev_iterator is adapted through each of these factory methods.
996
# Plugins are welcome to mutate this list in any way they like - as long
997
# as the overall behaviour is preserved. At this point there is no extensible
998
# mechanism for getting parameters to each factory method, and until there is
999
# this won't be considered a stable api.
1003
# read revision objects
1004
_make_revision_objects,
1005
# filter on log messages
1006
_make_search_filter,
1007
# generate deltas for things we will show
added
removed
bzrlib/log.py
