207
mainline_revs, rev_nos, start_rev_id, end_rev_id = \
208
_get_mainline_revs(branch, start_revision, end_revision)
209
if not mainline_revs:
212
if direction == 'reverse':
213
start_rev_id, end_rev_id = end_rev_id, start_rev_id
215
legacy_lf = getattr(lf, 'log_revision', None) is None
217
# pre-0.17 formatters use show for mainline revisions.
218
# how should we show merged revisions ?
219
# pre-0.11 api: show_merge
220
# 0.11-0.16 api: show_merge_revno
221
show_merge_revno = getattr(lf, 'show_merge_revno', None)
222
show_merge = getattr(lf, 'show_merge', None)
223
if show_merge is None and show_merge_revno is None:
224
# no merged-revno support
225
generate_merge_revisions = False
227
generate_merge_revisions = True
228
# tell developers to update their code
229
symbol_versioning.warn('LogFormatters should provide log_revision '
230
'instead of show and show_merge_revno since bzr 0.17.',
231
DeprecationWarning, stacklevel=3)
233
generate_merge_revisions = getattr(lf, 'supports_merge_revisions',
235
view_revs_iter = get_view_revisions(mainline_revs, rev_nos, branch,
236
direction, include_merges=generate_merge_revisions)
237
view_revisions = _filter_revision_range(list(view_revs_iter),
241
view_revisions = _filter_revisions_touching_file_id(branch,
246
# rebase merge_depth - unless there are no revisions or
247
# either the first or last revision have merge_depth = 0.
248
if view_revisions and view_revisions[0][2] and view_revisions[-1][2]:
249
min_depth = min([d for r,n,d in view_revisions])
251
view_revisions = [(r,n,d-min_depth) for r,n,d in view_revisions]
254
generate_tags = getattr(lf, 'supports_tags', False)
256
if branch.supports_tags():
257
rev_tag_dict = branch.tags.get_reverse_tag_dict()
259
generate_delta = verbose and getattr(lf, 'supports_delta', False)
261
def iter_revisions():
262
# r = revision, n = revno, d = merge depth
263
revision_ids = [r for r, n, d in view_revisions]
265
repository = branch.repository
268
revisions = repository.get_revisions(revision_ids[:num])
270
deltas = repository.get_deltas_for_revisions(revisions)
271
cur_deltas = dict(izip((r.revision_id for r in revisions),
273
for revision in revisions:
274
yield revision, cur_deltas.get(revision.revision_id)
275
revision_ids = revision_ids[num:]
276
num = min(int(num * 1.5), 200)
278
# now we just print all the revisions
280
for ((rev_id, revno, merge_depth), (rev, delta)) in \
281
izip(view_revisions, iter_revisions()):
284
if not searchRE.search(rev.message):
288
lr = LogRevision(rev, revno, merge_depth, delta,
289
rev_tag_dict.get(rev_id))
292
# support for legacy (pre-0.17) LogFormatters
295
lf.show(revno, rev, delta, rev_tag_dict.get(rev_id))
297
lf.show(revno, rev, delta)
299
if show_merge_revno is None:
300
lf.show_merge(rev, merge_depth)
303
lf.show_merge_revno(rev, merge_depth, revno,
304
rev_tag_dict.get(rev_id))
306
lf.show_merge_revno(rev, merge_depth, revno)
309
if log_count >= limit:
313
def _get_mainline_revs(branch, start_revision, end_revision):
314
"""Get the mainline revisions from the branch.
316
Generates the list of mainline revisions for the branch.
318
:param branch: The branch containing the revisions.
320
:param start_revision: The first revision to be logged.
321
For backwards compatibility this may be a mainline integer revno,
322
but for merge revision support a RevisionInfo is expected.
324
:param end_revision: The last revision to be logged.
325
For backwards compatibility this may be a mainline integer revno,
326
but for merge revision support a RevisionInfo is expected.
328
:return: A (mainline_revs, rev_nos, start_rev_id, end_rev_id) tuple.
161
330
which_revs = _enumerate_history(branch)
332
return None, None, None, None
334
# For mainline generation, map start_revision and end_revision to
335
# mainline revnos. If the revision is not on the mainline choose the
336
# appropriate extreme of the mainline instead - the extra will be
338
# Also map the revisions to rev_ids, to be used in the later filtering
163
341
if start_revision is None:
165
elif start_revision < 1 or start_revision >= len(which_revs):
166
raise InvalidRevisionNumber(start_revision)
344
if isinstance(start_revision,RevisionInfo):
345
start_rev_id = start_revision.rev_id
346
start_revno = start_revision.revno or 1
348
branch.check_real_revno(start_revision)
349
start_revno = start_revision
168
352
if end_revision is None:
169
end_revision = len(which_revs)
170
elif end_revision < 1 or end_revision >= len(which_revs):
171
raise InvalidRevisionNumber(end_revision)
353
end_revno = len(which_revs)
355
if isinstance(end_revision,RevisionInfo):
356
end_rev_id = end_revision.rev_id
357
end_revno = end_revision.revno or len(which_revs)
359
branch.check_real_revno(end_revision)
360
end_revno = end_revision
362
if start_revno > end_revno:
363
from bzrlib.errors import BzrCommandError
364
raise BzrCommandError("Start revision must be older than "
173
367
# list indexes are 0-based; revisions are 1-based
174
cut_revs = which_revs[(start_revision-1):(end_revision)]
176
if direction == 'reverse':
178
elif direction == 'forward':
368
cut_revs = which_revs[(start_revno-1):(end_revno)]
370
return None, None, None, None
372
# convert the revision history to a dictionary:
373
rev_nos = dict((k, v) for v, k in cut_revs)
375
# override the mainline to look like the revision history.
376
mainline_revs = [revision_id for index, revision_id in cut_revs]
377
if cut_revs[0][0] == 1:
378
mainline_revs.insert(0, None)
380
mainline_revs.insert(0, which_revs[start_revno-2][1])
381
return mainline_revs, rev_nos, start_rev_id, end_rev_id
384
def _filter_revision_range(view_revisions, start_rev_id, end_rev_id):
385
"""Filter view_revisions based on revision ranges.
387
:param view_revisions: A list of (revision_id, dotted_revno, merge_depth)
388
tuples to be filtered.
390
:param start_rev_id: If not NONE specifies the first revision to be logged.
391
If NONE then all revisions up to the end_rev_id are logged.
393
:param end_rev_id: If not NONE specifies the last revision to be logged.
394
If NONE then all revisions up to the end of the log are logged.
396
:return: The filtered view_revisions.
398
if start_rev_id or end_rev_id:
399
revision_ids = [r for r, n, d in view_revisions]
401
start_index = revision_ids.index(start_rev_id)
404
if start_rev_id == end_rev_id:
405
end_index = start_index
408
end_index = revision_ids.index(end_rev_id)
410
end_index = len(view_revisions) - 1
411
# To include the revisions merged into the last revision,
412
# extend end_rev_id down to, but not including, the next rev
413
# with the same or lesser merge_depth
414
end_merge_depth = view_revisions[end_index][2]
416
for index in xrange(end_index+1, len(view_revisions)+1):
417
if view_revisions[index][2] <= end_merge_depth:
418
end_index = index - 1
421
# if the search falls off the end then log to the end as well
422
end_index = len(view_revisions) - 1
423
view_revisions = view_revisions[start_index:end_index+1]
424
return view_revisions
427
def _filter_revisions_touching_file_id(branch, file_id, mainline_revisions,
429
"""Return the list of revision ids which touch a given file id.
431
The function filters view_revisions and returns a subset.
432
This includes the revisions which directly change the file id,
433
and the revisions which merge these changes. So if the
441
And 'C' changes a file, then both C and D will be returned.
443
This will also can be restricted based on a subset of the mainline.
445
:return: A list of (revision_id, dotted_revno, merge_depth) tuples.
447
# find all the revisions that change the specific file
448
file_weave = branch.repository.weave_store.get_weave(file_id,
449
branch.repository.get_transaction())
450
weave_modifed_revisions = set(file_weave.versions())
451
# build the ancestry of each revision in the graph
452
# - only listing the ancestors that change the specific file.
453
rev_graph = branch.repository.get_revision_graph(mainline_revisions[-1])
454
sorted_rev_list = topo_sort(rev_graph)
456
for rev in sorted_rev_list:
457
parents = rev_graph[rev]
458
if rev not in weave_modifed_revisions and len(parents) == 1:
459
# We will not be adding anything new, so just use a reference to
460
# the parent ancestry.
461
rev_ancestry = ancestry[parents[0]]
464
if rev in weave_modifed_revisions:
465
rev_ancestry.add(rev)
466
for parent in parents:
467
rev_ancestry = rev_ancestry.union(ancestry[parent])
468
ancestry[rev] = rev_ancestry
470
def is_merging_rev(r):
471
parents = rev_graph[r]
473
leftparent = parents[0]
474
for rightparent in parents[1:]:
475
if not ancestry[leftparent].issuperset(
476
ancestry[rightparent]):
480
# filter from the view the revisions that did not change or merge
482
return [(r, n, d) for r, n, d in view_revs_iter
483
if r in weave_modifed_revisions or is_merging_rev(r)]
486
def get_view_revisions(mainline_revs, rev_nos, branch, direction,
487
include_merges=True):
488
"""Produce an iterator of revisions to show
489
:return: an iterator of (revision_id, revno, merge_depth)
490
(if there is no revno for a revision, None is supplied)
492
if include_merges is False:
493
revision_ids = mainline_revs[1:]
494
if direction == 'reverse':
495
revision_ids.reverse()
496
for revision_id in revision_ids:
497
yield revision_id, str(rev_nos[revision_id]), 0
499
merge_sorted_revisions = merge_sort(
500
branch.repository.get_revision_graph(mainline_revs[-1]),
505
if direction == 'forward':
506
# forward means oldest first.
507
merge_sorted_revisions = reverse_by_depth(merge_sorted_revisions)
508
elif direction != 'reverse':
181
509
raise ValueError('invalid direction %r' % direction)
183
for revno, rev_id in cut_revs:
184
if verbose or specific_fileid:
185
delta = branch.get_revision_delta(revno)
188
if not delta.touches_file_id(specific_fileid):
192
# although we calculated it, throw it away without display
195
rev = branch.get_revision(rev_id)
198
if not searchRE.search(rev.message):
201
lf.show(revno, rev, delta)
205
def deltas_for_log_dummy(branch, which_revs):
206
"""Return all the revisions without intermediate deltas.
208
Useful for log commands that won't need the delta information.
211
for revno, revision_id in which_revs:
212
yield revno, branch.get_revision(revision_id), None
215
def deltas_for_log_reverse(branch, which_revs):
216
"""Compute deltas for display in latest-to-earliest order.
222
Sequence of (revno, revision_id) for the subset of history to examine
225
Sequence of (revno, rev, delta)
227
The delta is from the given revision to the next one in the
228
sequence, which makes sense if the log is being displayed from
231
last_revno = last_revision_id = last_tree = None
232
for revno, revision_id in which_revs:
233
this_tree = branch.revision_tree(revision_id)
234
this_revision = branch.get_revision(revision_id)
237
yield last_revno, last_revision, compare_trees(this_tree, last_tree, False)
239
this_tree = EmptyTree(branch.get_root_id())
242
last_revision = this_revision
243
last_tree = this_tree
247
this_tree = EmptyTree(branch.get_root_id())
511
for sequence, rev_id, merge_depth, revno, end_of_merge in merge_sorted_revisions:
512
yield rev_id, '.'.join(map(str, revno)), merge_depth
515
def reverse_by_depth(merge_sorted_revisions, _depth=0):
516
"""Reverse revisions by depth.
518
Revisions with a different depth are sorted as a group with the previous
519
revision of that depth. There may be no topological justification for this,
520
but it looks much nicer.
523
for val in merge_sorted_revisions:
525
zd_revisions.append([val])
249
this_revno = last_revno - 1
250
this_revision_id = branch.revision_history()[this_revno]
251
this_tree = branch.revision_tree(this_revision_id)
252
yield last_revno, last_revision, compare_trees(this_tree, last_tree, False)
255
def deltas_for_log_forward(branch, which_revs):
256
"""Compute deltas for display in forward log.
258
Given a sequence of (revno, revision_id) pairs, return
261
The delta is from the given revision to the next one in the
262
sequence, which makes sense if the log is being displayed from
527
assert val[2] > _depth
528
zd_revisions[-1].append(val)
529
for revisions in zd_revisions:
530
if len(revisions) > 1:
531
revisions[1:] = reverse_by_depth(revisions[1:], _depth + 1)
532
zd_revisions.reverse()
534
for chunk in zd_revisions:
539
class LogRevision(object):
540
"""A revision to be logged (by LogFormatter.log_revision).
542
A simple wrapper for the attributes of a revision to be logged.
543
The attributes may or may not be populated, as determined by the
544
logging options and the log formatter capabilities.
265
last_revno = last_revision_id = last_tree = None
266
prev_tree = EmptyTree(branch.get_root_id())
268
for revno, revision_id in which_revs:
269
this_tree = branch.revision_tree(revision_id)
270
this_revision = branch.get_revision(revision_id)
274
last_tree = EmptyTree(branch.get_root_id())
276
last_revno = revno - 1
277
last_revision_id = branch.revision_history()[last_revno]
278
last_tree = branch.revision_tree(last_revision_id)
280
yield revno, this_revision, compare_trees(last_tree, this_tree, False)
283
last_revision = this_revision
284
last_tree = this_tree
547
def __init__(self, rev=None, revno=None, merge_depth=0, delta=None,
551
self.merge_depth = merge_depth
287
556
class LogFormatter(object):
288
"""Abstract class to display log messages."""
557
"""Abstract class to display log messages.
559
At a minimum, a derived class must implement the log_revision method.
561
If the LogFormatter needs to be informed of the beginning or end of
562
a log it should implement the begin_log and/or end_log hook methods.
564
A LogFormatter should define the following supports_XXX flags
565
to indicate which LogRevision attributes it supports:
567
- supports_delta must be True if this log formatter supports delta.
568
Otherwise the delta attribute may not be populated.
569
- supports_merge_revisions must be True if this log formatter supports
570
merge revisions. If not, only mainline revisions (those
571
with merge_depth == 0) will be passed to the formatter.
572
- supports_tags must be True if this log formatter supports tags.
573
Otherwise the tags attribute may not be populated.
289
576
def __init__(self, to_file, show_ids=False, show_timezone='original'):
290
577
self.to_file = to_file
291
578
self.show_ids = show_ids
292
579
self.show_timezone = show_timezone
581
# TODO: uncomment this block after show() has been removed.
582
# Until then defining log_revision would prevent _show_log calling show()
583
# in legacy formatters.
584
# def log_revision(self, revision):
587
# :param revision: The LogRevision to be logged.
589
# raise NotImplementedError('not implemented in abstract base')
591
@deprecated_method(zero_seventeen)
295
592
def show(self, revno, rev, delta):
296
593
raise NotImplementedError('not implemented in abstract base')
595
def short_committer(self, rev):
596
return re.sub('<.*@.*>', '', rev.committer).strip(' ')
303
599
class LongLogFormatter(LogFormatter):
304
def show(self, revno, rev, delta):
305
from osutils import format_date
601
supports_merge_revisions = True
602
supports_delta = True
605
@deprecated_method(zero_seventeen)
606
def show(self, revno, rev, delta, tags=None):
607
lr = LogRevision(rev, revno, 0, delta, tags)
608
return self.log_revision(lr)
610
@deprecated_method(zero_eleven)
611
def show_merge(self, rev, merge_depth):
612
lr = LogRevision(rev, merge_depth=merge_depth)
613
return self.log_revision(lr)
615
@deprecated_method(zero_seventeen)
616
def show_merge_revno(self, rev, merge_depth, revno, tags=None):
617
"""Show a merged revision rev, with merge_depth and a revno."""
618
lr = LogRevision(rev, revno, merge_depth, tags=tags)
619
return self.log_revision(lr)
621
def log_revision(self, revision):
622
"""Log a revision, either merged or not."""
623
from bzrlib.osutils import format_date
624
indent = ' '*revision.merge_depth
307
625
to_file = self.to_file
309
print >>to_file, '-' * 60
310
print >>to_file, 'revno:', revno
626
print >>to_file, indent+'-' * 60
627
if revision.revno is not None:
628
print >>to_file, indent+'revno:', revision.revno
630
print >>to_file, indent+'tags: %s' % (', '.join(revision.tags))
311
631
if self.show_ids:
312
print >>to_file, 'revision-id:', rev.revision_id
313
print >>to_file, 'committer:', rev.committer
632
print >>to_file, indent+'revision-id:', revision.rev.revision_id
633
for parent_id in revision.rev.parent_ids:
634
print >>to_file, indent+'parent:', parent_id
635
print >>to_file, indent+'committer:', revision.rev.committer
315
date_str = format_date(rev.timestamp,
638
print >>to_file, indent+'branch nick: %s' % \
639
revision.rev.properties['branch-nick']
642
date_str = format_date(revision.rev.timestamp,
643
revision.rev.timezone or 0,
317
644
self.show_timezone)
318
print >>to_file, 'timestamp: %s' % date_str
645
print >>to_file, indent+'timestamp: %s' % date_str
320
print >>to_file, 'message:'
322
print >>to_file, ' (no message)'
647
print >>to_file, indent+'message:'
648
if not revision.rev.message:
649
print >>to_file, indent+' (no message)'
324
for l in rev.message.split('\n'):
325
print >>to_file, ' ' + l
328
delta.show(to_file, self.show_ids)
651
message = revision.rev.message.rstrip('\r\n')
652
for l in message.split('\n'):
653
print >>to_file, indent+' ' + l
654
if revision.delta is not None:
655
revision.delta.show(to_file, self.show_ids, indent=indent)
332
658
class ShortLogFormatter(LogFormatter):
660
supports_delta = True
662
@deprecated_method(zero_seventeen)
333
663
def show(self, revno, rev, delta):
664
lr = LogRevision(rev, revno, 0, delta)
665
return self.log_revision(lr)
667
def log_revision(self, revision):
334
668
from bzrlib.osutils import format_date
336
670
to_file = self.to_file
338
print >>to_file, "%5d %s\t%s" % (revno, rev.committer,
339
format_date(rev.timestamp, rev.timezone or 0,
671
date_str = format_date(revision.rev.timestamp,
672
revision.rev.timezone or 0,
675
if len(revision.rev.parent_ids) > 1:
676
is_merge = ' [merge]'
677
print >>to_file, "%5s %s\t%s%s" % (revision.revno,
678
self.short_committer(revision.rev),
679
format_date(revision.rev.timestamp,
680
revision.rev.timezone or 0,
681
self.show_timezone, date_fmt="%Y-%m-%d",
341
684
if self.show_ids:
342
print >>to_file, ' revision-id:', rev.revision_id
685
print >>to_file, ' revision-id:', revision.rev.revision_id
686
if not revision.rev.message:
344
687
print >>to_file, ' (no message)'
346
for l in rev.message.split('\n'):
689
message = revision.rev.message.rstrip('\r\n')
690
for l in message.split('\n'):
347
691
print >>to_file, ' ' + l
349
693
# TODO: Why not show the modified files in a shorter form as
350
694
# well? rewrap them single lines of appropriate length
352
delta.show(to_file, self.show_ids)
357
FORMATTERS = {'long': LongLogFormatter,
358
'short': ShortLogFormatter,
695
if revision.delta is not None:
696
revision.delta.show(to_file, self.show_ids)
700
class LineLogFormatter(LogFormatter):
702
def __init__(self, *args, **kwargs):
703
from bzrlib.osutils import terminal_width
704
super(LineLogFormatter, self).__init__(*args, **kwargs)
705
self._max_chars = terminal_width() - 1
707
def truncate(self, str, max_len):
708
if len(str) <= max_len:
710
return str[:max_len-3]+'...'
712
def date_string(self, rev):
713
from bzrlib.osutils import format_date
714
return format_date(rev.timestamp, rev.timezone or 0,
715
self.show_timezone, date_fmt="%Y-%m-%d",
718
def message(self, rev):
720
return '(no message)'
724
@deprecated_method(zero_seventeen)
725
def show(self, revno, rev, delta):
726
from bzrlib.osutils import terminal_width
727
print >> self.to_file, self.log_string(revno, rev, terminal_width()-1)
729
def log_revision(self, revision):
730
print >>self.to_file, self.log_string(revision.revno, revision.rev,
733
def log_string(self, revno, rev, max_chars):
734
"""Format log info into one string. Truncate tail of string
735
:param revno: revision number (int) or None.
736
Revision numbers counts from 1.
737
:param rev: revision info object
738
:param max_chars: maximum length of resulting string
739
:return: formatted truncated string
743
# show revno only when is not None
744
out.append("%s:" % revno)
745
out.append(self.truncate(self.short_committer(rev), 20))
746
out.append(self.date_string(rev))
747
out.append(rev.get_summary())
748
return self.truncate(" ".join(out).rstrip('\n'), max_chars)
751
def line_log(rev, max_chars):
752
lf = LineLogFormatter(None)
753
return lf.log_string(None, rev, max_chars)
756
class LogFormatterRegistry(registry.Registry):
757
"""Registry for log formatters"""
759
def make_formatter(self, name, *args, **kwargs):
760
"""Construct a formatter from arguments.
762
:param name: Name of the formatter to construct. 'short', 'long' and
765
return self.get(name)(*args, **kwargs)
767
def get_default(self, branch):
768
return self.get(branch.get_config().log_format())
771
log_formatter_registry = LogFormatterRegistry()
774
log_formatter_registry.register('short', ShortLogFormatter,
775
'Moderately short log format')
776
log_formatter_registry.register('long', LongLogFormatter,
777
'Detailed log format')
778
log_formatter_registry.register('line', LineLogFormatter,
779
'Log format with one line per revision')
782
def register_formatter(name, formatter):
783
log_formatter_registry.register(name, formatter)
362
786
def log_formatter(name, *args, **kwargs):
787
"""Construct a formatter from arguments.
789
name -- Name of the formatter to construct; currently 'long', 'short' and
790
'line' are supported.
363
792
from bzrlib.errors import BzrCommandError
366
return FORMATTERS[name](*args, **kwargs)
794
return log_formatter_registry.make_formatter(name, *args, **kwargs)
368
796
raise BzrCommandError("unknown log formatter: %r" % name)
370
799
def show_one_log(revno, rev, delta, verbose, to_file, show_timezone):
371
# deprecated; for compatability
800
# deprecated; for compatibility
372
801
lf = LongLogFormatter(to_file=to_file, show_timezone=show_timezone)
373
802
lf.show(revno, rev, delta)
805
def show_changed_revisions(branch, old_rh, new_rh, to_file=None, log_format='long'):
806
"""Show the change in revision history comparing the old revision history to the new one.
808
:param branch: The branch where the revisions exist
809
:param old_rh: The old revision history
810
:param new_rh: The new revision history
811
:param to_file: A file to write the results to. If None, stdout will be used
817
to_file = codecs.getwriter(bzrlib.user_encoding)(sys.stdout, errors='replace')
818
lf = log_formatter(log_format,
821
show_timezone='original')
823
# This is the first index which is different between
826
for i in xrange(max(len(new_rh),
830
or new_rh[i] != old_rh[i]):
835
to_file.write('Nothing seems to have changed\n')
837
## TODO: It might be nice to do something like show_log
838
## and show the merged entries. But since this is the
839
## removed revisions, it shouldn't be as important
840
if base_idx < len(old_rh):
841
to_file.write('*'*60)
842
to_file.write('\nRemoved Revisions:\n')
843
for i in range(base_idx, len(old_rh)):
844
rev = branch.repository.get_revision(old_rh[i])
845
lr = LogRevision(rev, i+1, 0, None)
847
to_file.write('*'*60)
848
to_file.write('\n\n')
849
if base_idx < len(new_rh):
850
to_file.write('Added Revisions:\n')
856
start_revision=base_idx+1,
857
end_revision=len(new_rh),
added
removed
bzrlib/log.py
