183
210
mutter('get log for file_id %r', specific_fileid)
185
212
if search is not None:
187
213
searchRE = re.compile(search, re.IGNORECASE)
217
mainline_revs, rev_nos, start_rev_id, end_rev_id = \
218
_get_mainline_revs(branch, start_revision, end_revision)
219
if not mainline_revs:
222
if direction == 'reverse':
223
start_rev_id, end_rev_id = end_rev_id, start_rev_id
225
legacy_lf = getattr(lf, 'log_revision', None) is None
227
# pre-0.17 formatters use show for mainline revisions.
228
# how should we show merged revisions ?
229
# pre-0.11 api: show_merge
230
# 0.11-0.16 api: show_merge_revno
231
show_merge_revno = getattr(lf, 'show_merge_revno', None)
232
show_merge = getattr(lf, 'show_merge', None)
233
if show_merge is None and show_merge_revno is None:
234
# no merged-revno support
235
generate_merge_revisions = False
237
generate_merge_revisions = True
238
# tell developers to update their code
239
symbol_versioning.warn('LogFormatters should provide log_revision '
240
'instead of show and show_merge_revno since bzr 0.17.',
241
DeprecationWarning, stacklevel=3)
243
generate_merge_revisions = getattr(lf, 'supports_merge_revisions',
245
generate_single_revision = False
246
if ((not generate_merge_revisions)
247
and ((start_rev_id and (start_rev_id not in rev_nos))
248
or (end_rev_id and (end_rev_id not in rev_nos)))):
249
generate_single_revision = ((start_rev_id == end_rev_id)
250
and getattr(lf, 'supports_single_merge_revision', False))
251
if not generate_single_revision:
252
raise BzrCommandError('Selected log formatter only supports '
253
'mainline revisions.')
254
generate_merge_revisions = generate_single_revision
255
view_revs_iter = get_view_revisions(mainline_revs, rev_nos, branch,
256
direction, include_merges=generate_merge_revisions)
257
view_revisions = _filter_revision_range(list(view_revs_iter),
260
if view_revisions and generate_single_revision:
261
view_revisions = view_revisions[0:1]
263
view_revisions = _filter_revisions_touching_file_id(branch,
268
# rebase merge_depth - unless there are no revisions or
269
# either the first or last revision have merge_depth = 0.
270
if view_revisions and view_revisions[0][2] and view_revisions[-1][2]:
271
min_depth = min([d for r,n,d in view_revisions])
273
view_revisions = [(r,n,d-min_depth) for r,n,d in view_revisions]
276
generate_tags = getattr(lf, 'supports_tags', False)
278
if branch.supports_tags():
279
rev_tag_dict = branch.tags.get_reverse_tag_dict()
281
generate_delta = verbose and getattr(lf, 'supports_delta', False)
283
def iter_revisions():
284
# r = revision, n = revno, d = merge depth
285
revision_ids = [r for r, n, d in view_revisions]
287
repository = branch.repository
290
revisions = repository.get_revisions(revision_ids[:num])
292
deltas = repository.get_deltas_for_revisions(revisions)
293
cur_deltas = dict(izip((r.revision_id for r in revisions),
295
for revision in revisions:
296
yield revision, cur_deltas.get(revision.revision_id)
297
revision_ids = revision_ids[num:]
298
num = min(int(num * 1.5), 200)
300
# now we just print all the revisions
302
for ((rev_id, revno, merge_depth), (rev, delta)) in \
303
izip(view_revisions, iter_revisions()):
306
if not searchRE.search(rev.message):
310
lr = LogRevision(rev, revno, merge_depth, delta,
311
rev_tag_dict.get(rev_id))
314
# support for legacy (pre-0.17) LogFormatters
317
lf.show(revno, rev, delta, rev_tag_dict.get(rev_id))
319
lf.show(revno, rev, delta)
321
if show_merge_revno is None:
322
lf.show_merge(rev, merge_depth)
325
lf.show_merge_revno(rev, merge_depth, revno,
326
rev_tag_dict.get(rev_id))
328
lf.show_merge_revno(rev, merge_depth, revno)
331
if log_count >= limit:
335
def _get_mainline_revs(branch, start_revision, end_revision):
336
"""Get the mainline revisions from the branch.
338
Generates the list of mainline revisions for the branch.
340
:param branch: The branch containing the revisions.
342
:param start_revision: The first revision to be logged.
343
For backwards compatibility this may be a mainline integer revno,
344
but for merge revision support a RevisionInfo is expected.
346
:param end_revision: The last revision to be logged.
347
For backwards compatibility this may be a mainline integer revno,
348
but for merge revision support a RevisionInfo is expected.
350
:return: A (mainline_revs, rev_nos, start_rev_id, end_rev_id) tuple.
191
352
which_revs = _enumerate_history(branch)
354
return None, None, None, None
356
# For mainline generation, map start_revision and end_revision to
357
# mainline revnos. If the revision is not on the mainline choose the
358
# appropriate extreme of the mainline instead - the extra will be
360
# Also map the revisions to rev_ids, to be used in the later filtering
193
363
if start_revision is None:
196
branch.check_real_revno(start_revision)
366
if isinstance(start_revision,RevisionInfo):
367
start_rev_id = start_revision.rev_id
368
start_revno = start_revision.revno or 1
370
branch.check_real_revno(start_revision)
371
start_revno = start_revision
198
374
if end_revision is None:
199
end_revision = len(which_revs)
375
end_revno = len(which_revs)
201
branch.check_real_revno(end_revision)
377
if isinstance(end_revision,RevisionInfo):
378
end_rev_id = end_revision.rev_id
379
end_revno = end_revision.revno or len(which_revs)
381
branch.check_real_revno(end_revision)
382
end_revno = end_revision
384
if ((start_rev_id == NULL_REVISION)
385
or (end_rev_id == NULL_REVISION)):
386
raise BzrCommandError('Logging revision 0 is invalid.')
387
if start_revno > end_revno:
388
raise BzrCommandError("Start revision must be older than "
203
391
# list indexes are 0-based; revisions are 1-based
204
cut_revs = which_revs[(start_revision-1):(end_revision)]
206
if direction == 'reverse':
208
elif direction == 'forward':
392
cut_revs = which_revs[(start_revno-1):(end_revno)]
394
return None, None, None, None
396
# convert the revision history to a dictionary:
397
rev_nos = dict((k, v) for v, k in cut_revs)
399
# override the mainline to look like the revision history.
400
mainline_revs = [revision_id for index, revision_id in cut_revs]
401
if cut_revs[0][0] == 1:
402
mainline_revs.insert(0, None)
404
mainline_revs.insert(0, which_revs[start_revno-2][1])
405
return mainline_revs, rev_nos, start_rev_id, end_rev_id
408
def _filter_revision_range(view_revisions, start_rev_id, end_rev_id):
409
"""Filter view_revisions based on revision ranges.
411
:param view_revisions: A list of (revision_id, dotted_revno, merge_depth)
412
tuples to be filtered.
414
:param start_rev_id: If not NONE specifies the first revision to be logged.
415
If NONE then all revisions up to the end_rev_id are logged.
417
:param end_rev_id: If not NONE specifies the last revision to be logged.
418
If NONE then all revisions up to the end of the log are logged.
420
:return: The filtered view_revisions.
422
if start_rev_id or end_rev_id:
423
revision_ids = [r for r, n, d in view_revisions]
425
start_index = revision_ids.index(start_rev_id)
428
if start_rev_id == end_rev_id:
429
end_index = start_index
432
end_index = revision_ids.index(end_rev_id)
434
end_index = len(view_revisions) - 1
435
# To include the revisions merged into the last revision,
436
# extend end_rev_id down to, but not including, the next rev
437
# with the same or lesser merge_depth
438
end_merge_depth = view_revisions[end_index][2]
440
for index in xrange(end_index+1, len(view_revisions)+1):
441
if view_revisions[index][2] <= end_merge_depth:
442
end_index = index - 1
445
# if the search falls off the end then log to the end as well
446
end_index = len(view_revisions) - 1
447
view_revisions = view_revisions[start_index:end_index+1]
448
return view_revisions
451
def _filter_revisions_touching_file_id(branch, file_id, mainline_revisions,
453
"""Return the list of revision ids which touch a given file id.
455
The function filters view_revisions and returns a subset.
456
This includes the revisions which directly change the file id,
457
and the revisions which merge these changes. So if the
465
And 'C' changes a file, then both C and D will be returned.
467
This will also can be restricted based on a subset of the mainline.
469
:return: A list of (revision_id, dotted_revno, merge_depth) tuples.
471
# find all the revisions that change the specific file
472
file_weave = branch.repository.weave_store.get_weave(file_id,
473
branch.repository.get_transaction())
474
weave_modifed_revisions = set(file_weave.versions())
475
# build the ancestry of each revision in the graph
476
# - only listing the ancestors that change the specific file.
477
rev_graph = branch.repository.get_revision_graph(mainline_revisions[-1])
478
sorted_rev_list = topo_sort(rev_graph)
480
for rev in sorted_rev_list:
481
parents = rev_graph[rev]
482
if rev not in weave_modifed_revisions and len(parents) == 1:
483
# We will not be adding anything new, so just use a reference to
484
# the parent ancestry.
485
rev_ancestry = ancestry[parents[0]]
488
if rev in weave_modifed_revisions:
489
rev_ancestry.add(rev)
490
for parent in parents:
491
rev_ancestry = rev_ancestry.union(ancestry[parent])
492
ancestry[rev] = rev_ancestry
494
def is_merging_rev(r):
495
parents = rev_graph[r]
497
leftparent = parents[0]
498
for rightparent in parents[1:]:
499
if not ancestry[leftparent].issuperset(
500
ancestry[rightparent]):
504
# filter from the view the revisions that did not change or merge
506
return [(r, n, d) for r, n, d in view_revs_iter
507
if r in weave_modifed_revisions or is_merging_rev(r)]
510
def get_view_revisions(mainline_revs, rev_nos, branch, direction,
511
include_merges=True):
512
"""Produce an iterator of revisions to show
513
:return: an iterator of (revision_id, revno, merge_depth)
514
(if there is no revno for a revision, None is supplied)
516
if include_merges is False:
517
revision_ids = mainline_revs[1:]
518
if direction == 'reverse':
519
revision_ids.reverse()
520
for revision_id in revision_ids:
521
yield revision_id, str(rev_nos[revision_id]), 0
523
merge_sorted_revisions = merge_sort(
524
branch.repository.get_revision_graph(mainline_revs[-1]),
529
if direction == 'forward':
530
# forward means oldest first.
531
merge_sorted_revisions = reverse_by_depth(merge_sorted_revisions)
532
elif direction != 'reverse':
211
533
raise ValueError('invalid direction %r' % direction)
213
revision_history = branch.revision_history()
214
for revno, rev_id in cut_revs:
215
if verbose or specific_fileid:
216
delta = _get_revision_delta(branch, revno)
219
if not delta.touches_file_id(specific_fileid):
223
# although we calculated it, throw it away without display
226
rev = branch.get_revision(rev_id)
229
if not searchRE.search(rev.message):
232
lf.show(revno, rev, delta)
233
if hasattr(lf, 'show_merge'):
237
# revno is 1 based, so -2 to get back 1 less.
238
excludes = set(branch.get_ancestry(revision_history[revno - 2]))
239
pending = list(rev.parent_ids)
241
rev_id = pending.pop()
242
if rev_id in excludes:
244
# prevent showing merged revs twice if they multi-path.
247
rev = branch.get_revision(rev_id)
248
except errors.NoSuchRevision:
250
pending.extend(rev.parent_ids)
254
def deltas_for_log_dummy(branch, which_revs):
255
"""Return all the revisions without intermediate deltas.
257
Useful for log commands that won't need the delta information.
260
for revno, revision_id in which_revs:
261
yield revno, branch.get_revision(revision_id), None
264
def deltas_for_log_reverse(branch, which_revs):
265
"""Compute deltas for display in latest-to-earliest order.
271
Sequence of (revno, revision_id) for the subset of history to examine
274
Sequence of (revno, rev, delta)
276
The delta is from the given revision to the next one in the
277
sequence, which makes sense if the log is being displayed from
280
last_revno = last_revision_id = last_tree = None
281
for revno, revision_id in which_revs:
282
this_tree = branch.revision_tree(revision_id)
283
this_revision = branch.get_revision(revision_id)
286
yield last_revno, last_revision, compare_trees(this_tree, last_tree, False)
288
this_tree = EmptyTree(branch.get_root_id())
291
last_revision = this_revision
292
last_tree = this_tree
296
this_tree = EmptyTree(branch.get_root_id())
535
for sequence, rev_id, merge_depth, revno, end_of_merge in merge_sorted_revisions:
536
yield rev_id, '.'.join(map(str, revno)), merge_depth
539
def reverse_by_depth(merge_sorted_revisions, _depth=0):
540
"""Reverse revisions by depth.
542
Revisions with a different depth are sorted as a group with the previous
543
revision of that depth. There may be no topological justification for this,
544
but it looks much nicer.
547
for val in merge_sorted_revisions:
549
zd_revisions.append([val])
298
this_revno = last_revno - 1
299
this_revision_id = branch.revision_history()[this_revno]
300
this_tree = branch.revision_tree(this_revision_id)
301
yield last_revno, last_revision, compare_trees(this_tree, last_tree, False)
304
def deltas_for_log_forward(branch, which_revs):
305
"""Compute deltas for display in forward log.
307
Given a sequence of (revno, revision_id) pairs, return
310
The delta is from the given revision to the next one in the
311
sequence, which makes sense if the log is being displayed from
551
assert val[2] > _depth
552
zd_revisions[-1].append(val)
553
for revisions in zd_revisions:
554
if len(revisions) > 1:
555
revisions[1:] = reverse_by_depth(revisions[1:], _depth + 1)
556
zd_revisions.reverse()
558
for chunk in zd_revisions:
563
class LogRevision(object):
564
"""A revision to be logged (by LogFormatter.log_revision).
566
A simple wrapper for the attributes of a revision to be logged.
567
The attributes may or may not be populated, as determined by the
568
logging options and the log formatter capabilities.
314
last_revno = last_revision_id = last_tree = None
315
prev_tree = EmptyTree(branch.get_root_id())
317
for revno, revision_id in which_revs:
318
this_tree = branch.revision_tree(revision_id)
319
this_revision = branch.get_revision(revision_id)
323
last_tree = EmptyTree(branch.get_root_id())
325
last_revno = revno - 1
326
last_revision_id = branch.revision_history()[last_revno]
327
last_tree = branch.revision_tree(last_revision_id)
329
yield revno, this_revision, compare_trees(last_tree, this_tree, False)
332
last_revision = this_revision
333
last_tree = this_tree
571
def __init__(self, rev=None, revno=None, merge_depth=0, delta=None,
575
self.merge_depth = merge_depth
336
580
class LogFormatter(object):
337
"""Abstract class to display log messages."""
581
"""Abstract class to display log messages.
583
At a minimum, a derived class must implement the log_revision method.
585
If the LogFormatter needs to be informed of the beginning or end of
586
a log it should implement the begin_log and/or end_log hook methods.
588
A LogFormatter should define the following supports_XXX flags
589
to indicate which LogRevision attributes it supports:
591
- supports_delta must be True if this log formatter supports delta.
592
Otherwise the delta attribute may not be populated.
593
- supports_merge_revisions must be True if this log formatter supports
594
merge revisions. If not, and if supports_single_merge_revisions is
595
also not True, then only mainline revisions will be passed to the
597
- supports_single_merge_revision must be True if this log formatter
598
supports logging only a single merge revision. This flag is
599
only relevant if supports_merge_revisions is not True.
600
- supports_tags must be True if this log formatter supports tags.
601
Otherwise the tags attribute may not be populated.
338
604
def __init__(self, to_file, show_ids=False, show_timezone='original'):
339
605
self.to_file = to_file
340
606
self.show_ids = show_ids
341
607
self.show_timezone = show_timezone
609
# TODO: uncomment this block after show() has been removed.
610
# Until then defining log_revision would prevent _show_log calling show()
611
# in legacy formatters.
612
# def log_revision(self, revision):
615
# :param revision: The LogRevision to be logged.
617
# raise NotImplementedError('not implemented in abstract base')
619
@deprecated_method(zero_seventeen)
344
620
def show(self, revno, rev, delta):
345
621
raise NotImplementedError('not implemented in abstract base')
347
623
def short_committer(self, rev):
348
return re.sub('<.*@.*>', '', rev.committer).strip(' ')
624
name, address = config.parse_username(rev.committer)
629
def short_author(self, rev):
630
name, address = config.parse_username(rev.get_apparent_author())
351
636
class LongLogFormatter(LogFormatter):
352
def show(self, revno, rev, delta):
353
return self._show_helper(revno=revno, rev=rev, delta=delta)
355
def show_merge(self, rev):
356
return self._show_helper(rev=rev, indent=' ', merged=True, delta=None)
358
def _show_helper(self, rev=None, revno=None, indent='', merged=False, delta=None):
359
"""Show a revision, either merged or not."""
360
from bzrlib.osutils import format_date
638
supports_merge_revisions = True
639
supports_delta = True
642
@deprecated_method(zero_seventeen)
643
def show(self, revno, rev, delta, tags=None):
644
lr = LogRevision(rev, revno, 0, delta, tags)
645
return self.log_revision(lr)
647
@deprecated_method(zero_seventeen)
648
def show_merge_revno(self, rev, merge_depth, revno, tags=None):
649
"""Show a merged revision rev, with merge_depth and a revno."""
650
lr = LogRevision(rev, revno, merge_depth, tags=tags)
651
return self.log_revision(lr)
653
def log_revision(self, revision):
654
"""Log a revision, either merged or not."""
655
indent = ' ' * revision.merge_depth
361
656
to_file = self.to_file
362
print >>to_file, indent+'-' * 60
363
if revno is not None:
364
print >>to_file, 'revno:', revno
366
print >>to_file, indent+'merged:', rev.revision_id
368
print >>to_file, indent+'revision-id:', rev.revision_id
657
to_file.write(indent + '-' * 60 + '\n')
658
if revision.revno is not None:
659
to_file.write(indent + 'revno: %s\n' % (revision.revno,))
661
to_file.write(indent + 'tags: %s\n' % (', '.join(revision.tags)))
369
662
if self.show_ids:
370
for parent_id in rev.parent_ids:
371
print >>to_file, indent+'parent:', parent_id
372
print >>to_file, indent+'committer:', rev.committer
374
print >>to_file, indent+'branch nick: %s' % \
375
rev.properties['branch-nick']
378
date_str = format_date(rev.timestamp,
663
to_file.write(indent + 'revision-id:' + revision.rev.revision_id)
665
for parent_id in revision.rev.parent_ids:
666
to_file.write(indent + 'parent: %s\n' % (parent_id,))
668
author = revision.rev.properties.get('author', None)
669
if author is not None:
670
to_file.write(indent + 'author: %s\n' % (author,))
671
to_file.write(indent + 'committer: %s\n' % (revision.rev.committer,))
673
branch_nick = revision.rev.properties.get('branch-nick', None)
674
if branch_nick is not None:
675
to_file.write(indent + 'branch nick: %s\n' % (branch_nick,))
677
date_str = format_date(revision.rev.timestamp,
678
revision.rev.timezone or 0,
380
679
self.show_timezone)
381
print >>to_file, indent+'timestamp: %s' % date_str
680
to_file.write(indent + 'timestamp: %s\n' % (date_str,))
383
print >>to_file, indent+'message:'
385
print >>to_file, indent+' (no message)'
682
to_file.write(indent + 'message:\n')
683
if not revision.rev.message:
684
to_file.write(indent + ' (no message)\n')
387
message = rev.message.rstrip('\r\n')
686
message = revision.rev.message.rstrip('\r\n')
388
687
for l in message.split('\n'):
389
print >>to_file, indent+' ' + l
391
delta.show(to_file, self.show_ids)
688
to_file.write(indent + ' %s\n' % (l,))
689
if revision.delta is not None:
690
revision.delta.show(to_file, self.show_ids, indent=indent)
394
693
class ShortLogFormatter(LogFormatter):
695
supports_delta = True
696
supports_single_merge_revision = True
698
@deprecated_method(zero_seventeen)
395
699
def show(self, revno, rev, delta):
396
from bzrlib.osutils import format_date
700
lr = LogRevision(rev, revno, 0, delta)
701
return self.log_revision(lr)
703
def log_revision(self, revision):
398
704
to_file = self.to_file
399
date_str = format_date(rev.timestamp, rev.timezone or 0,
401
print >>to_file, "%5d %s\t%s" % (revno, self.short_committer(rev),
402
format_date(rev.timestamp, rev.timezone or 0,
705
date_str = format_date(revision.rev.timestamp,
706
revision.rev.timezone or 0,
709
if len(revision.rev.parent_ids) > 1:
710
is_merge = ' [merge]'
711
to_file.write("%5s %s\t%s%s\n" % (revision.revno,
712
self.short_author(revision.rev),
713
format_date(revision.rev.timestamp,
714
revision.rev.timezone or 0,
403
715
self.show_timezone, date_fmt="%Y-%m-%d",
405
718
if self.show_ids:
406
print >>to_file, ' revision-id:', rev.revision_id
408
print >>to_file, ' (no message)'
719
to_file.write(' revision-id:%s\n' % (revision.rev.revision_id,))
720
if not revision.rev.message:
721
to_file.write(' (no message)\n')
410
message = rev.message.rstrip('\r\n')
723
message = revision.rev.message.rstrip('\r\n')
411
724
for l in message.split('\n'):
412
print >>to_file, ' ' + l
725
to_file.write(' %s\n' % (l,))
414
727
# TODO: Why not show the modified files in a shorter form as
415
728
# well? rewrap them single lines of appropriate length
417
delta.show(to_file, self.show_ids)
729
if revision.delta is not None:
730
revision.delta.show(to_file, self.show_ids)
420
734
class LineLogFormatter(LogFormatter):
736
supports_single_merge_revision = True
738
def __init__(self, *args, **kwargs):
739
super(LineLogFormatter, self).__init__(*args, **kwargs)
740
self._max_chars = terminal_width() - 1
421
742
def truncate(self, str, max_len):
422
743
if len(str) <= max_len:
424
745
return str[:max_len-3]+'...'
426
747
def date_string(self, rev):
427
from bzrlib.osutils import format_date
428
748
return format_date(rev.timestamp, rev.timezone or 0,
429
749
self.show_timezone, date_fmt="%Y-%m-%d",
430
750
show_offset=False)