217
172
# list indexes are 0-based; revisions are 1-based
218
173
cut_revs = which_revs[(start_revision-1):(end_revision)]
222
# convert the revision history to a dictionary:
223
rev_nos = dict((k, v) for v, k in cut_revs)
225
# override the mainline to look like the revision history.
226
mainline_revs = [revision_id for index, revision_id in cut_revs]
227
if cut_revs[0][0] == 1:
228
mainline_revs.insert(0, None)
230
mainline_revs.insert(0, which_revs[start_revision-2][1])
231
legacy_lf = getattr(lf, 'log_revision', None) is None
233
# pre-0.17 formatters use show for mainline revisions.
234
# how should we show merged revisions ?
235
# pre-0.11 api: show_merge
236
# 0.11-0.16 api: show_merge_revno
237
show_merge_revno = getattr(lf, 'show_merge_revno', None)
238
show_merge = getattr(lf, 'show_merge', None)
239
if show_merge is None and show_merge_revno is None:
240
# no merged-revno support
241
generate_merge_revisions = False
243
generate_merge_revisions = True
244
# tell developers to update their code
245
symbol_versioning.warn('LogFormatters should provide log_revision '
246
'instead of show and show_merge_revno since bzr 0.17.',
247
DeprecationWarning, stacklevel=3)
249
generate_merge_revisions = getattr(lf, 'supports_merge_revisions',
251
view_revs_iter = get_view_revisions(mainline_revs, rev_nos, branch,
252
direction, include_merges=generate_merge_revisions)
254
view_revisions = _get_revisions_touching_file_id(branch,
259
view_revisions = list(view_revs_iter)
262
generate_tags = getattr(lf, 'supports_tags', False)
264
if branch.supports_tags():
265
rev_tag_dict = branch.tags.get_reverse_tag_dict()
267
generate_delta = verbose and getattr(lf, 'supports_delta', False)
269
def iter_revisions():
270
# r = revision, n = revno, d = merge depth
271
revision_ids = [r for r, n, d in view_revisions]
272
zeros = set(r for r, n, d in view_revisions if d == 0)
274
repository = branch.repository
277
revisions = repository.get_revisions(revision_ids[:num])
279
delta_revisions = [r for r in revisions if
280
r.revision_id in zeros]
281
deltas = repository.get_deltas_for_revisions(delta_revisions)
282
cur_deltas = dict(izip((r.revision_id for r in
283
delta_revisions), deltas))
284
for revision in revisions:
285
# The delta value will be None unless
286
# 1. verbose is specified, and
287
# 2. the revision is a mainline revision
288
yield revision, cur_deltas.get(revision.revision_id)
289
revision_ids = revision_ids[num:]
290
num = min(int(num * 1.5), 200)
292
# now we just print all the revisions
294
for ((rev_id, revno, merge_depth), (rev, delta)) in \
295
izip(view_revisions, iter_revisions()):
175
if direction == 'reverse':
177
elif direction == 'forward':
180
raise ValueError('invalid direction %r' % direction)
182
for revno, rev_id in cut_revs:
183
if verbose or specific_fileid:
184
delta = branch.get_revision_delta(revno)
187
if not delta.touches_file_id(specific_fileid):
191
# although we calculated it, throw it away without display
194
rev = branch.get_revision(rev_id)
298
197
if not searchRE.search(rev.message):
302
lr = LogRevision(rev, revno, merge_depth, delta,
303
rev_tag_dict.get(rev_id))
200
lf.show(revno, rev, delta)
204
def deltas_for_log_dummy(branch, which_revs):
205
"""Return all the revisions without intermediate deltas.
207
Useful for log commands that won't need the delta information.
210
for revno, revision_id in which_revs:
211
yield revno, branch.get_revision(revision_id), None
214
def deltas_for_log_reverse(branch, which_revs):
215
"""Compute deltas for display in latest-to-earliest order.
221
Sequence of (revno, revision_id) for the subset of history to examine
224
Sequence of (revno, rev, delta)
226
The delta is from the given revision to the next one in the
227
sequence, which makes sense if the log is being displayed from
230
last_revno = last_revision_id = last_tree = None
231
for revno, revision_id in which_revs:
232
this_tree = branch.revision_tree(revision_id)
233
this_revision = branch.get_revision(revision_id)
236
yield last_revno, last_revision, compare_trees(this_tree, last_tree, False)
238
this_tree = EmptyTree(branch.get_root_id())
241
last_revision = this_revision
242
last_tree = this_tree
246
this_tree = EmptyTree(branch.get_root_id())
306
# support for legacy (pre-0.17) LogFormatters
309
lf.show(revno, rev, delta, rev_tag_dict.get(rev_id))
311
lf.show(revno, rev, delta)
248
this_revno = last_revno - 1
249
this_revision_id = branch.revision_history()[this_revno]
250
this_tree = branch.revision_tree(this_revision_id)
251
yield last_revno, last_revision, compare_trees(this_tree, last_tree, False)
254
def deltas_for_log_forward(branch, which_revs):
255
"""Compute deltas for display in forward log.
257
Given a sequence of (revno, revision_id) pairs, return
260
The delta is from the given revision to the next one in the
261
sequence, which makes sense if the log is being displayed from
264
last_revno = last_revision_id = last_tree = None
265
prev_tree = EmptyTree(branch.get_root_id())
267
for revno, revision_id in which_revs:
268
this_tree = branch.revision_tree(revision_id)
269
this_revision = branch.get_revision(revision_id)
273
last_tree = EmptyTree(branch.get_root_id())
313
if show_merge_revno is None:
314
lf.show_merge(rev, merge_depth)
317
lf.show_merge_revno(rev, merge_depth, revno,
318
rev_tag_dict.get(rev_id))
320
lf.show_merge_revno(rev, merge_depth, revno)
323
if log_count >= limit:
327
def _get_revisions_touching_file_id(branch, file_id, mainline_revisions,
329
"""Return the list of revision ids which touch a given file id.
331
This includes the revisions which directly change the file id,
332
and the revisions which merge these changes. So if the
340
And 'C' changes a file, then both C and D will be returned.
342
This will also can be restricted based on a subset of the mainline.
344
:return: A list of (revision_id, dotted_revno, merge_depth) tuples.
346
# find all the revisions that change the specific file
347
file_weave = branch.repository.weave_store.get_weave(file_id,
348
branch.repository.get_transaction())
349
weave_modifed_revisions = set(file_weave.versions())
350
# build the ancestry of each revision in the graph
351
# - only listing the ancestors that change the specific file.
352
rev_graph = branch.repository.get_revision_graph(mainline_revisions[-1])
353
sorted_rev_list = topo_sort(rev_graph)
355
for rev in sorted_rev_list:
356
parents = rev_graph[rev]
357
if rev not in weave_modifed_revisions and len(parents) == 1:
358
# We will not be adding anything new, so just use a reference to
359
# the parent ancestry.
360
rev_ancestry = ancestry[parents[0]]
363
if rev in weave_modifed_revisions:
364
rev_ancestry.add(rev)
365
for parent in parents:
366
rev_ancestry = rev_ancestry.union(ancestry[parent])
367
ancestry[rev] = rev_ancestry
369
def is_merging_rev(r):
370
parents = rev_graph[r]
372
leftparent = parents[0]
373
for rightparent in parents[1:]:
374
if not ancestry[leftparent].issuperset(
375
ancestry[rightparent]):
379
# filter from the view the revisions that did not change or merge
381
return [(r, n, d) for r, n, d in view_revs_iter
382
if r in weave_modifed_revisions or is_merging_rev(r)]
385
def get_view_revisions(mainline_revs, rev_nos, branch, direction,
386
include_merges=True):
387
"""Produce an iterator of revisions to show
388
:return: an iterator of (revision_id, revno, merge_depth)
389
(if there is no revno for a revision, None is supplied)
391
if include_merges is False:
392
revision_ids = mainline_revs[1:]
393
if direction == 'reverse':
394
revision_ids.reverse()
395
for revision_id in revision_ids:
396
yield revision_id, str(rev_nos[revision_id]), 0
398
merge_sorted_revisions = merge_sort(
399
branch.repository.get_revision_graph(mainline_revs[-1]),
404
if direction == 'forward':
405
# forward means oldest first.
406
merge_sorted_revisions = reverse_by_depth(merge_sorted_revisions)
407
elif direction != 'reverse':
408
raise ValueError('invalid direction %r' % direction)
410
for sequence, rev_id, merge_depth, revno, end_of_merge in merge_sorted_revisions:
411
yield rev_id, '.'.join(map(str, revno)), merge_depth
414
def reverse_by_depth(merge_sorted_revisions, _depth=0):
415
"""Reverse revisions by depth.
417
Revisions with a different depth are sorted as a group with the previous
418
revision of that depth. There may be no topological justification for this,
419
but it looks much nicer.
422
for val in merge_sorted_revisions:
424
zd_revisions.append([val])
426
assert val[2] > _depth
427
zd_revisions[-1].append(val)
428
for revisions in zd_revisions:
429
if len(revisions) > 1:
430
revisions[1:] = reverse_by_depth(revisions[1:], _depth + 1)
431
zd_revisions.reverse()
433
for chunk in zd_revisions:
438
class LogRevision(object):
439
"""A revision to be logged (by LogFormatter.log_revision).
441
A simple wrapper for the attributes of a revision to be logged.
442
The attributes may or may not be populated, as determined by the
443
logging options and the log formatter capabilities.
446
def __init__(self, rev=None, revno=None, merge_depth=0, delta=None,
450
self.merge_depth = merge_depth
275
last_revno = revno - 1
276
last_revision_id = branch.revision_history()[last_revno]
277
last_tree = branch.revision_tree(last_revision_id)
279
yield revno, this_revision, compare_trees(last_tree, this_tree, False)
282
last_revision = this_revision
283
last_tree = this_tree
455
286
class LogFormatter(object):
456
"""Abstract class to display log messages.
458
At a minimum, a derived class must implement the log_revision method.
460
If the LogFormatter needs to be informed of the beginning or end of
461
a log it should implement the begin_log and/or end_log hook methods.
463
A LogFormatter should define the following supports_XXX flags
464
to indicate which LogRevision attributes it supports:
466
- supports_delta must be True if this log formatter supports delta.
467
Otherwise the delta attribute may not be populated.
468
- supports_merge_revisions must be True if this log formatter supports
469
merge revisions. If not, only revisions mainline revisions (those
470
with merge_depth == 0) will be passed to the formatter.
471
- supports_tags must be True if this log formatter supports tags.
472
Otherwise the tags attribute may not be populated.
287
"""Abstract class to display log messages."""
475
288
def __init__(self, to_file, show_ids=False, show_timezone='original'):
476
289
self.to_file = to_file
477
290
self.show_ids = show_ids
478
291
self.show_timezone = show_timezone
480
# TODO: uncomment this block after show() has been removed.
481
# Until then defining log_revision would prevent _show_log calling show()
482
# in legacy formatters.
483
# def log_revision(self, revision):
486
# :param revision: The LogRevision to be logged.
488
# raise NotImplementedError('not implemented in abstract base')
490
@deprecated_method(zero_seventeen)
491
294
def show(self, revno, rev, delta):
492
295
raise NotImplementedError('not implemented in abstract base')
494
def short_committer(self, rev):
495
return re.sub('<.*@.*>', '', rev.committer).strip(' ')
498
302
class LongLogFormatter(LogFormatter):
500
supports_merge_revisions = True
501
supports_delta = True
504
@deprecated_method(zero_seventeen)
505
def show(self, revno, rev, delta, tags=None):
506
lr = LogRevision(rev, revno, 0, delta, tags)
507
return self.log_revision(lr)
509
@deprecated_method(zero_eleven)
510
def show_merge(self, rev, merge_depth):
511
lr = LogRevision(rev, merge_depth=merge_depth)
512
return self.log_revision(lr)
514
@deprecated_method(zero_seventeen)
515
def show_merge_revno(self, rev, merge_depth, revno, tags=None):
516
"""Show a merged revision rev, with merge_depth and a revno."""
517
lr = LogRevision(rev, revno, merge_depth, tags=tags)
518
return self.log_revision(lr)
520
def log_revision(self, revision):
521
"""Log a revision, either merged or not."""
522
from bzrlib.osutils import format_date
523
indent = ' '*revision.merge_depth
303
def show(self, revno, rev, delta):
304
from osutils import format_date
524
306
to_file = self.to_file
525
print >>to_file, indent+'-' * 60
526
if revision.revno is not None:
527
print >>to_file, indent+'revno:', revision.revno
529
print >>to_file, indent+'tags: %s' % (', '.join(revision.tags))
308
print >>to_file, '-' * 60
309
print >>to_file, 'revno:', revno
530
310
if self.show_ids:
531
print >>to_file, indent+'revision-id:', revision.rev.revision_id
532
for parent_id in revision.rev.parent_ids:
533
print >>to_file, indent+'parent:', parent_id
534
print >>to_file, indent+'committer:', revision.rev.committer
537
print >>to_file, indent+'branch nick: %s' % \
538
revision.rev.properties['branch-nick']
541
date_str = format_date(revision.rev.timestamp,
542
revision.rev.timezone or 0,
311
print >>to_file, 'revision-id:', rev.revision_id
313
for parent_id in rev.parent_ids:
314
print >>to_file, 'parent:', parent_id
316
print >>to_file, 'committer:', rev.committer
318
date_str = format_date(rev.timestamp,
543
320
self.show_timezone)
544
print >>to_file, indent+'timestamp: %s' % date_str
321
print >>to_file, 'timestamp: %s' % date_str
546
print >>to_file, indent+'message:'
547
if not revision.rev.message:
548
print >>to_file, indent+' (no message)'
323
print >>to_file, 'message:'
325
print >>to_file, ' (no message)'
550
message = revision.rev.message.rstrip('\r\n')
551
for l in message.split('\n'):
552
print >>to_file, indent+' ' + l
553
if revision.delta is not None:
554
revision.delta.show(to_file, self.show_ids)
327
for l in rev.message.split('\n'):
328
print >>to_file, ' ' + l
331
delta.show(to_file, self.show_ids)
557
335
class ShortLogFormatter(LogFormatter):
559
supports_delta = True
561
@deprecated_method(zero_seventeen)
562
336
def show(self, revno, rev, delta):
563
lr = LogRevision(rev, revno, 0, delta)
564
return self.log_revision(lr)
566
def log_revision(self, revision):
567
337
from bzrlib.osutils import format_date
569
339
to_file = self.to_file
570
date_str = format_date(revision.rev.timestamp,
571
revision.rev.timezone or 0,
574
if len(revision.rev.parent_ids) > 1:
575
is_merge = ' [merge]'
576
print >>to_file, "%5s %s\t%s%s" % (revision.revno,
577
self.short_committer(revision.rev),
578
format_date(revision.rev.timestamp,
579
revision.rev.timezone or 0,
580
self.show_timezone, date_fmt="%Y-%m-%d",
341
print >>to_file, "%5d %s\t%s" % (revno, rev.committer,
342
format_date(rev.timestamp, rev.timezone or 0,
583
344
if self.show_ids:
584
print >>to_file, ' revision-id:', revision.rev.revision_id
585
if not revision.rev.message:
345
print >>to_file, ' revision-id:', rev.revision_id
586
347
print >>to_file, ' (no message)'
588
message = revision.rev.message.rstrip('\r\n')
589
for l in message.split('\n'):
349
for l in rev.message.split('\n'):
590
350
print >>to_file, ' ' + l
592
352
# TODO: Why not show the modified files in a shorter form as
593
353
# well? rewrap them single lines of appropriate length
594
if revision.delta is not None:
595
revision.delta.show(to_file, self.show_ids)
599
class LineLogFormatter(LogFormatter):
601
def __init__(self, *args, **kwargs):
602
from bzrlib.osutils import terminal_width
603
super(LineLogFormatter, self).__init__(*args, **kwargs)
604
self._max_chars = terminal_width() - 1
606
def truncate(self, str, max_len):
607
if len(str) <= max_len:
609
return str[:max_len-3]+'...'
611
def date_string(self, rev):
612
from bzrlib.osutils import format_date
613
return format_date(rev.timestamp, rev.timezone or 0,
614
self.show_timezone, date_fmt="%Y-%m-%d",
617
def message(self, rev):
619
return '(no message)'
623
@deprecated_method(zero_seventeen)
624
def show(self, revno, rev, delta):
625
from bzrlib.osutils import terminal_width
626
print >> self.to_file, self.log_string(revno, rev, terminal_width()-1)
628
def log_revision(self, revision):
629
print >>self.to_file, self.log_string(revision.revno, revision.rev,
632
def log_string(self, revno, rev, max_chars):
633
"""Format log info into one string. Truncate tail of string
634
:param revno: revision number (int) or None.
635
Revision numbers counts from 1.
636
:param rev: revision info object
637
:param max_chars: maximum length of resulting string
638
:return: formatted truncated string
642
# show revno only when is not None
643
out.append("%s:" % revno)
644
out.append(self.truncate(self.short_committer(rev), 20))
645
out.append(self.date_string(rev))
646
out.append(rev.get_summary())
647
return self.truncate(" ".join(out).rstrip('\n'), max_chars)
650
def line_log(rev, max_chars):
651
lf = LineLogFormatter(None)
652
return lf.log_string(None, rev, max_chars)
655
class LogFormatterRegistry(registry.Registry):
656
"""Registry for log formatters"""
658
def make_formatter(self, name, *args, **kwargs):
659
"""Construct a formatter from arguments.
661
:param name: Name of the formatter to construct. 'short', 'long' and
664
return self.get(name)(*args, **kwargs)
666
def get_default(self, branch):
667
return self.get(branch.get_config().log_format())
670
log_formatter_registry = LogFormatterRegistry()
673
log_formatter_registry.register('short', ShortLogFormatter,
674
'Moderately short log format')
675
log_formatter_registry.register('long', LongLogFormatter,
676
'Detailed log format')
677
log_formatter_registry.register('line', LineLogFormatter,
678
'Log format with one line per revision')
681
def register_formatter(name, formatter):
682
log_formatter_registry.register(name, formatter)
355
delta.show(to_file, self.show_ids)
360
FORMATTERS = {'long': LongLogFormatter,
361
'short': ShortLogFormatter,
685
365
def log_formatter(name, *args, **kwargs):
686
"""Construct a formatter from arguments.
688
name -- Name of the formatter to construct; currently 'long', 'short' and
689
'line' are supported.
691
366
from bzrlib.errors import BzrCommandError
693
return log_formatter_registry.make_formatter(name, *args, **kwargs)
369
return FORMATTERS[name](*args, **kwargs)
695
371
raise BzrCommandError("unknown log formatter: %r" % name)
698
373
def show_one_log(revno, rev, delta, verbose, to_file, show_timezone):
699
# deprecated; for compatibility
374
# deprecated; for compatability
700
375
lf = LongLogFormatter(to_file=to_file, show_timezone=show_timezone)
701
376
lf.show(revno, rev, delta)
704
def show_changed_revisions(branch, old_rh, new_rh, to_file=None, log_format='long'):
705
"""Show the change in revision history comparing the old revision history to the new one.
707
:param branch: The branch where the revisions exist
708
:param old_rh: The old revision history
709
:param new_rh: The new revision history
710
:param to_file: A file to write the results to. If None, stdout will be used
716
to_file = codecs.getwriter(bzrlib.user_encoding)(sys.stdout, errors='replace')
717
lf = log_formatter(log_format,
720
show_timezone='original')
722
# This is the first index which is different between
725
for i in xrange(max(len(new_rh),
729
or new_rh[i] != old_rh[i]):
734
to_file.write('Nothing seems to have changed\n')
736
## TODO: It might be nice to do something like show_log
737
## and show the merged entries. But since this is the
738
## removed revisions, it shouldn't be as important
739
if base_idx < len(old_rh):
740
to_file.write('*'*60)
741
to_file.write('\nRemoved Revisions:\n')
742
for i in range(base_idx, len(old_rh)):
743
rev = branch.repository.get_revision(old_rh[i])
744
lr = LogRevision(rev, i+1, 0, None)
746
to_file.write('*'*60)
747
to_file.write('\n\n')
748
if base_idx < len(new_rh):
749
to_file.write('Added Revisions:\n')
755
start_revision=base_idx+1,
756
end_revision=len(new_rh),
added
removed
bzrlib/log.py
