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,
247
generate_tags = getattr(lf, 'supports_tags', False)
249
if branch.supports_tags():
250
rev_tag_dict = branch.tags.get_reverse_tag_dict()
252
generate_delta = verbose and getattr(lf, 'supports_delta', False)
254
def iter_revisions():
255
# r = revision, n = revno, d = merge depth
256
revision_ids = [r for r, n, d in view_revisions]
258
repository = branch.repository
261
revisions = repository.get_revisions(revision_ids[:num])
263
deltas = repository.get_deltas_for_revisions(revisions)
264
cur_deltas = dict(izip((r.revision_id for r in revisions),
266
for revision in revisions:
267
yield revision, cur_deltas.get(revision.revision_id)
268
revision_ids = revision_ids[num:]
269
num = min(int(num * 1.5), 200)
271
# now we just print all the revisions
273
for ((rev_id, revno, merge_depth), (rev, delta)) in \
274
izip(view_revisions, iter_revisions()):
277
if not searchRE.search(rev.message):
134
which_revs = branch.enum_history(direction)
135
which_revs = [x for x in which_revs if (
136
(start_revision is None or x[0] >= start_revision)
137
and (end_revision is None or x[0] <= end_revision))]
139
if not (verbose or specific_fileid):
140
# no need to know what changed between revisions
141
with_deltas = deltas_for_log_dummy(branch, which_revs)
142
elif direction == 'reverse':
143
with_deltas = deltas_for_log_reverse(branch, which_revs)
145
with_deltas = deltas_for_log_forward(branch, which_revs)
147
for revno, rev, delta in with_deltas:
149
if not delta.touches_file_id(specific_fileid):
281
lr = LogRevision(rev, revno, merge_depth, delta,
282
rev_tag_dict.get(rev_id))
285
# support for legacy (pre-0.17) LogFormatters
288
lf.show(revno, rev, delta, rev_tag_dict.get(rev_id))
290
lf.show(revno, rev, delta)
292
if show_merge_revno is None:
293
lf.show_merge(rev, merge_depth)
296
lf.show_merge_revno(rev, merge_depth, revno,
297
rev_tag_dict.get(rev_id))
299
lf.show_merge_revno(rev, merge_depth, revno)
302
if log_count >= limit:
306
def _get_mainline_revs(branch, start_revision, end_revision):
307
"""Get the mainline revisions from the branch.
309
Generates the list of mainline revisions for the branch.
311
:param branch: The branch containing the revisions.
313
:param start_revision: The first revision to be logged.
314
For backwards compatibility this may be a mainline integer revno,
315
but for merge revision support a RevisionInfo is expected.
317
:param end_revision: The last revision to be logged.
318
For backwards compatibility this may be a mainline integer revno,
319
but for merge revision support a RevisionInfo is expected.
321
:return: A (mainline_revs, rev_nos, start_rev_id, end_rev_id) tuple.
323
which_revs = _enumerate_history(branch)
325
return None, None, None, None
327
# For mainline generation, map start_revision and end_revision to
328
# mainline revnos. If the revision is not on the mainline choose the
329
# appropriate extreme of the mainline instead - the extra will be
331
# Also map the revisions to rev_ids, to be used in the later filtering
334
if start_revision is None:
337
if isinstance(start_revision,RevisionInfo):
338
start_rev_id = start_revision.rev_id
339
start_revno = start_revision.revno or 1
341
branch.check_real_revno(start_revision)
342
start_revno = start_revision
345
if end_revision is None:
346
end_revno = len(which_revs)
348
if isinstance(end_revision,RevisionInfo):
349
end_rev_id = end_revision.rev_id
350
end_revno = end_revision.revno or len(which_revs)
352
branch.check_real_revno(end_revision)
353
end_revno = end_revision
355
if start_revno > end_revno:
356
from bzrlib.errors import BzrCommandError
357
raise BzrCommandError("Start revision must be older than "
360
# list indexes are 0-based; revisions are 1-based
361
cut_revs = which_revs[(start_revno-1):(end_revno)]
363
return None, None, None, None
365
# convert the revision history to a dictionary:
366
rev_nos = dict((k, v) for v, k in cut_revs)
368
# override the mainline to look like the revision history.
369
mainline_revs = [revision_id for index, revision_id in cut_revs]
370
if cut_revs[0][0] == 1:
371
mainline_revs.insert(0, None)
373
mainline_revs.insert(0, which_revs[start_revno-2][1])
374
return mainline_revs, rev_nos, start_rev_id, end_rev_id
377
def _filter_revision_range(view_revisions, start_rev_id, end_rev_id):
378
"""Filter view_revisions based on revision ranges.
380
:param view_revisions: A list of (revision_id, dotted_revno, merge_depth)
381
tuples to be filtered.
383
:param start_rev_id: If not NONE specifies the first revision to be logged.
384
If NONE then all revisions up to the end_rev_id are logged.
386
:param end_rev_id: If not NONE specifies the last revision to be logged.
387
If NONE then all revisions up to the end of the log are logged.
389
:return: The filtered view_revisions.
391
if start_rev_id or end_rev_id:
392
revision_ids = [r for r, n, d in view_revisions]
394
start_index = revision_ids.index(start_rev_id)
397
if start_rev_id == end_rev_id:
398
end_index = start_index
401
end_index = revision_ids.index(end_rev_id)
403
end_index = len(view_revisions) - 1
404
# To include the revisions merged into the last revision,
405
# extend end_rev_id down to, but not including, the next rev
406
# with the same or lesser merge_depth
407
end_merge_depth = view_revisions[end_index][2]
409
for index in xrange(end_index+1, len(view_revisions)+1):
410
if view_revisions[index][2] <= end_merge_depth:
411
end_index = index - 1
414
# if the search falls off the end then log to the end as well
415
end_index = len(view_revisions) - 1
416
view_revisions = view_revisions[start_index:end_index+1]
417
return view_revisions
420
def _filter_revisions_touching_file_id(branch, file_id, mainline_revisions,
422
"""Return the list of revision ids which touch a given file id.
424
The function filters view_revisions and returns a subset.
425
This includes the revisions which directly change the file id,
426
and the revisions which merge these changes. So if the
434
And 'C' changes a file, then both C and D will be returned.
436
This will also can be restricted based on a subset of the mainline.
438
:return: A list of (revision_id, dotted_revno, merge_depth) tuples.
440
# find all the revisions that change the specific file
441
file_weave = branch.repository.weave_store.get_weave(file_id,
442
branch.repository.get_transaction())
443
weave_modifed_revisions = set(file_weave.versions())
444
# build the ancestry of each revision in the graph
445
# - only listing the ancestors that change the specific file.
446
rev_graph = branch.repository.get_revision_graph(mainline_revisions[-1])
447
sorted_rev_list = topo_sort(rev_graph)
449
for rev in sorted_rev_list:
450
parents = rev_graph[rev]
451
if rev not in weave_modifed_revisions and len(parents) == 1:
452
# We will not be adding anything new, so just use a reference to
453
# the parent ancestry.
454
rev_ancestry = ancestry[parents[0]]
457
if rev in weave_modifed_revisions:
458
rev_ancestry.add(rev)
459
for parent in parents:
460
rev_ancestry = rev_ancestry.union(ancestry[parent])
461
ancestry[rev] = rev_ancestry
463
def is_merging_rev(r):
464
parents = rev_graph[r]
466
leftparent = parents[0]
467
for rightparent in parents[1:]:
468
if not ancestry[leftparent].issuperset(
469
ancestry[rightparent]):
473
# filter from the view the revisions that did not change or merge
475
return [(r, n, d) for r, n, d in view_revs_iter
476
if r in weave_modifed_revisions or is_merging_rev(r)]
479
def get_view_revisions(mainline_revs, rev_nos, branch, direction,
480
include_merges=True):
481
"""Produce an iterator of revisions to show
482
:return: an iterator of (revision_id, revno, merge_depth)
483
(if there is no revno for a revision, None is supplied)
485
if include_merges is False:
486
revision_ids = mainline_revs[1:]
487
if direction == 'reverse':
488
revision_ids.reverse()
489
for revision_id in revision_ids:
490
yield revision_id, str(rev_nos[revision_id]), 0
492
merge_sorted_revisions = merge_sort(
493
branch.repository.get_revision_graph(mainline_revs[-1]),
498
if direction == 'forward':
499
# forward means oldest first.
500
merge_sorted_revisions = reverse_by_depth(merge_sorted_revisions)
501
elif direction != 'reverse':
502
raise ValueError('invalid direction %r' % direction)
504
for sequence, rev_id, merge_depth, revno, end_of_merge in merge_sorted_revisions:
505
yield rev_id, '.'.join(map(str, revno)), merge_depth
508
def reverse_by_depth(merge_sorted_revisions, _depth=0):
509
"""Reverse revisions by depth.
511
Revisions with a different depth are sorted as a group with the previous
512
revision of that depth. There may be no topological justification for this,
513
but it looks much nicer.
516
for val in merge_sorted_revisions:
518
zd_revisions.append([val])
520
assert val[2] > _depth
521
zd_revisions[-1].append(val)
522
for revisions in zd_revisions:
523
if len(revisions) > 1:
524
revisions[1:] = reverse_by_depth(revisions[1:], _depth + 1)
525
zd_revisions.reverse()
527
for chunk in zd_revisions:
532
class LogRevision(object):
533
"""A revision to be logged (by LogFormatter.log_revision).
535
A simple wrapper for the attributes of a revision to be logged.
536
The attributes may or may not be populated, as determined by the
537
logging options and the log formatter capabilities.
540
def __init__(self, rev=None, revno=None, merge_depth=0, delta=None,
544
self.merge_depth = merge_depth
153
# although we calculated it, throw it away without display
156
if searchRE is None or searchRE.search(rev.message):
157
lf.show(revno, rev, delta)
161
def deltas_for_log_dummy(branch, which_revs):
162
for revno, revision_id in which_revs:
163
yield revno, branch.get_revision(revision_id), None
166
def deltas_for_log_reverse(branch, which_revs):
167
"""Compute deltas for display in reverse log.
169
Given a sequence of (revno, revision_id) pairs, return
172
The delta is from the given revision to the next one in the
173
sequence, which makes sense if the log is being displayed from
176
from tree import EmptyTree
177
from diff import compare_trees
179
last_revno = last_revision_id = last_tree = None
180
for revno, revision_id in which_revs:
181
this_tree = branch.revision_tree(revision_id)
182
this_revision = branch.get_revision(revision_id)
185
yield last_revno, last_revision, compare_trees(this_tree, last_tree, False)
187
this_tree = EmptyTree(branch.get_root_id())
190
last_revision = this_revision
191
last_tree = this_tree
195
this_tree = EmptyTree(branch.get_root_id())
197
this_revno = last_revno - 1
198
this_revision_id = branch.revision_history()[this_revno]
199
this_tree = branch.revision_tree(this_revision_id)
200
yield last_revno, last_revision, compare_trees(this_tree, last_tree, False)
203
def deltas_for_log_forward(branch, which_revs):
204
"""Compute deltas for display in forward log.
206
Given a sequence of (revno, revision_id) pairs, return
209
The delta is from the given revision to the next one in the
210
sequence, which makes sense if the log is being displayed from
213
from tree import EmptyTree
214
from diff import compare_trees
216
last_revno = last_revision_id = last_tree = None
217
prev_tree = EmptyTree(branch.get_root_id())
219
for revno, revision_id in which_revs:
220
this_tree = branch.revision_tree(revision_id)
221
this_revision = branch.get_revision(revision_id)
225
last_tree = EmptyTree(branch.get_root_id())
227
last_revno = revno - 1
228
last_revision_id = branch.revision_history()[last_revno]
229
last_tree = branch.revision_tree(last_revision_id)
231
yield revno, this_revision, compare_trees(last_tree, this_tree, False)
234
last_revision = this_revision
235
last_tree = this_tree
549
238
class LogFormatter(object):
550
"""Abstract class to display log messages.
552
At a minimum, a derived class must implement the log_revision method.
554
If the LogFormatter needs to be informed of the beginning or end of
555
a log it should implement the begin_log and/or end_log hook methods.
557
A LogFormatter should define the following supports_XXX flags
558
to indicate which LogRevision attributes it supports:
560
- supports_delta must be True if this log formatter supports delta.
561
Otherwise the delta attribute may not be populated.
562
- supports_merge_revisions must be True if this log formatter supports
563
merge revisions. If not, only revisions mainline revisions (those
564
with merge_depth == 0) will be passed to the formatter.
565
- supports_tags must be True if this log formatter supports tags.
566
Otherwise the tags attribute may not be populated.
569
def __init__(self, to_file, show_ids=False, show_timezone='original'):
239
"""Abstract class to display log messages."""
240
def __init__(self, to_file, show_ids=False, show_timezone=False):
570
241
self.to_file = to_file
571
242
self.show_ids = show_ids
572
243
self.show_timezone = show_timezone
574
# TODO: uncomment this block after show() has been removed.
575
# Until then defining log_revision would prevent _show_log calling show()
576
# in legacy formatters.
577
# def log_revision(self, revision):
580
# :param revision: The LogRevision to be logged.
582
# raise NotImplementedError('not implemented in abstract base')
584
@deprecated_method(zero_seventeen)
585
def show(self, revno, rev, delta):
586
raise NotImplementedError('not implemented in abstract base')
588
def short_committer(self, rev):
589
return re.sub('<.*@.*>', '', rev.committer).strip(' ')
592
250
class LongLogFormatter(LogFormatter):
594
supports_merge_revisions = True
595
supports_delta = True
598
@deprecated_method(zero_seventeen)
599
def show(self, revno, rev, delta, tags=None):
600
lr = LogRevision(rev, revno, 0, delta, tags)
601
return self.log_revision(lr)
603
@deprecated_method(zero_eleven)
604
def show_merge(self, rev, merge_depth):
605
lr = LogRevision(rev, merge_depth=merge_depth)
606
return self.log_revision(lr)
608
@deprecated_method(zero_seventeen)
609
def show_merge_revno(self, rev, merge_depth, revno, tags=None):
610
"""Show a merged revision rev, with merge_depth and a revno."""
611
lr = LogRevision(rev, revno, merge_depth, tags=tags)
612
return self.log_revision(lr)
614
def log_revision(self, revision):
615
"""Log a revision, either merged or not."""
616
from bzrlib.osutils import format_date
617
indent = ' '*revision.merge_depth
251
def show(self, revno, rev, delta):
252
from osutils import format_date
618
254
to_file = self.to_file
619
print >>to_file, indent+'-' * 60
620
if revision.revno is not None:
621
print >>to_file, indent+'revno:', revision.revno
623
print >>to_file, indent+'tags: %s' % (', '.join(revision.tags))
256
print >>to_file, '-' * 60
257
print >>to_file, 'revno:', revno
624
258
if self.show_ids:
625
print >>to_file, indent+'revision-id:', revision.rev.revision_id
626
for parent_id in revision.rev.parent_ids:
627
print >>to_file, indent+'parent:', parent_id
628
print >>to_file, indent+'committer:', revision.rev.committer
631
print >>to_file, indent+'branch nick: %s' % \
632
revision.rev.properties['branch-nick']
635
date_str = format_date(revision.rev.timestamp,
636
revision.rev.timezone or 0,
638
print >>to_file, indent+'timestamp: %s' % date_str
640
print >>to_file, indent+'message:'
641
if not revision.rev.message:
642
print >>to_file, indent+' (no message)'
259
print >>to_file, 'revision-id:', rev.revision_id
260
print >>to_file, 'committer:', rev.committer
261
print >>to_file, 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0,
264
print >>to_file, 'message:'
266
print >>to_file, ' (no message)'
644
message = revision.rev.message.rstrip('\r\n')
645
for l in message.split('\n'):
646
print >>to_file, indent+' ' + l
647
if revision.delta is not None:
648
revision.delta.show(to_file, self.show_ids, indent=indent)
268
for l in rev.message.split('\n'):
269
print >>to_file, ' ' + l
272
delta.show(to_file, self.show_ids)
651
276
class ShortLogFormatter(LogFormatter):
653
supports_delta = True
655
@deprecated_method(zero_seventeen)
656
277
def show(self, revno, rev, delta):
657
lr = LogRevision(rev, revno, 0, delta)
658
return self.log_revision(lr)
660
def log_revision(self, revision):
661
278
from bzrlib.osutils import format_date
663
280
to_file = self.to_file
664
date_str = format_date(revision.rev.timestamp,
665
revision.rev.timezone or 0,
668
if len(revision.rev.parent_ids) > 1:
669
is_merge = ' [merge]'
670
print >>to_file, "%5s %s\t%s%s" % (revision.revno,
671
self.short_committer(revision.rev),
672
format_date(revision.rev.timestamp,
673
revision.rev.timezone or 0,
674
self.show_timezone, date_fmt="%Y-%m-%d",
282
print >>to_file, "%5d %s\t%s" % (revno, rev.committer,
283
format_date(rev.timestamp, rev.timezone or 0,
677
285
if self.show_ids:
678
print >>to_file, ' revision-id:', revision.rev.revision_id
679
if not revision.rev.message:
286
print >>to_file, ' revision-id:', rev.revision_id
680
288
print >>to_file, ' (no message)'
682
message = revision.rev.message.rstrip('\r\n')
683
for l in message.split('\n'):
290
for l in rev.message.split('\n'):
684
291
print >>to_file, ' ' + l
686
# TODO: Why not show the modified files in a shorter form as
687
# well? rewrap them single lines of appropriate length
688
if revision.delta is not None:
689
revision.delta.show(to_file, self.show_ids)
693
class LineLogFormatter(LogFormatter):
695
def __init__(self, *args, **kwargs):
696
from bzrlib.osutils import terminal_width
697
super(LineLogFormatter, self).__init__(*args, **kwargs)
698
self._max_chars = terminal_width() - 1
700
def truncate(self, str, max_len):
701
if len(str) <= max_len:
703
return str[:max_len-3]+'...'
705
def date_string(self, rev):
706
from bzrlib.osutils import format_date
707
return format_date(rev.timestamp, rev.timezone or 0,
708
self.show_timezone, date_fmt="%Y-%m-%d",
711
def message(self, rev):
713
return '(no message)'
717
@deprecated_method(zero_seventeen)
718
def show(self, revno, rev, delta):
719
from bzrlib.osutils import terminal_width
720
print >> self.to_file, self.log_string(revno, rev, terminal_width()-1)
722
def log_revision(self, revision):
723
print >>self.to_file, self.log_string(revision.revno, revision.rev,
726
def log_string(self, revno, rev, max_chars):
727
"""Format log info into one string. Truncate tail of string
728
:param revno: revision number (int) or None.
729
Revision numbers counts from 1.
730
:param rev: revision info object
731
:param max_chars: maximum length of resulting string
732
:return: formatted truncated string
736
# show revno only when is not None
737
out.append("%s:" % revno)
738
out.append(self.truncate(self.short_committer(rev), 20))
739
out.append(self.date_string(rev))
740
out.append(rev.get_summary())
741
return self.truncate(" ".join(out).rstrip('\n'), max_chars)
744
def line_log(rev, max_chars):
745
lf = LineLogFormatter(None)
746
return lf.log_string(None, rev, max_chars)
749
class LogFormatterRegistry(registry.Registry):
750
"""Registry for log formatters"""
752
def make_formatter(self, name, *args, **kwargs):
753
"""Construct a formatter from arguments.
755
:param name: Name of the formatter to construct. 'short', 'long' and
758
return self.get(name)(*args, **kwargs)
760
def get_default(self, branch):
761
return self.get(branch.get_config().log_format())
764
log_formatter_registry = LogFormatterRegistry()
767
log_formatter_registry.register('short', ShortLogFormatter,
768
'Moderately short log format')
769
log_formatter_registry.register('long', LongLogFormatter,
770
'Detailed log format')
771
log_formatter_registry.register('line', LineLogFormatter,
772
'Log format with one line per revision')
775
def register_formatter(name, formatter):
776
log_formatter_registry.register(name, formatter)
294
delta.show(to_file, self.show_ids)
299
FORMATTERS = {'long': LongLogFormatter,
300
'short': ShortLogFormatter,
779
304
def log_formatter(name, *args, **kwargs):
780
"""Construct a formatter from arguments.
782
name -- Name of the formatter to construct; currently 'long', 'short' and
783
'line' are supported.
785
305
from bzrlib.errors import BzrCommandError
787
return log_formatter_registry.make_formatter(name, *args, **kwargs)
308
return FORMATTERS[name](*args, **kwargs)
789
310
raise BzrCommandError("unknown log formatter: %r" % name)
792
def show_one_log(revno, rev, delta, verbose, to_file, show_timezone):
793
# deprecated; for compatibility
794
lf = LongLogFormatter(to_file=to_file, show_timezone=show_timezone)
795
lf.show(revno, rev, delta)
798
def show_changed_revisions(branch, old_rh, new_rh, to_file=None, log_format='long'):
799
"""Show the change in revision history comparing the old revision history to the new one.
801
:param branch: The branch where the revisions exist
802
:param old_rh: The old revision history
803
:param new_rh: The new revision history
804
:param to_file: A file to write the results to. If None, stdout will be used
810
to_file = codecs.getwriter(bzrlib.user_encoding)(sys.stdout, errors='replace')
811
lf = log_formatter(log_format,
814
show_timezone='original')
816
# This is the first index which is different between
819
for i in xrange(max(len(new_rh),
823
or new_rh[i] != old_rh[i]):
828
to_file.write('Nothing seems to have changed\n')
830
## TODO: It might be nice to do something like show_log
831
## and show the merged entries. But since this is the
832
## removed revisions, it shouldn't be as important
833
if base_idx < len(old_rh):
834
to_file.write('*'*60)
835
to_file.write('\nRemoved Revisions:\n')
836
for i in range(base_idx, len(old_rh)):
837
rev = branch.repository.get_revision(old_rh[i])
838
lr = LogRevision(rev, i+1, 0, None)
840
to_file.write('*'*60)
841
to_file.write('\n\n')
842
if base_idx < len(new_rh):
843
to_file.write('Added Revisions:\n')
849
start_revision=base_idx+1,
850
end_revision=len(new_rh),
added
removed
bzrlib/log.py
