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# list indexes are 0-based; revisions are 1-based
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cut_revs = which_revs[(start_revision-1):(end_revision)]
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# convert the revision history to a dictionary:
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rev_nos = dict((k, v) for v, k in cut_revs)
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# override the mainline to look like the revision history.
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mainline_revs = [revision_id for index, revision_id in cut_revs]
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if cut_revs[0][0] == 1:
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mainline_revs.insert(0, None)
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mainline_revs.insert(0, which_revs[start_revision-2][1])
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if getattr(lf, 'show_merge', None) is not None:
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include_merges = True
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include_merges = False
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view_revisions = list(get_view_revisions(mainline_revs, rev_nos, branch,
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direction, include_merges=include_merges))
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def iter_revisions():
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# r = revision, n = revno, d = merge depth
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revision_ids = [r for r, n, d in view_revisions]
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zeros = set(r for r, n, d in view_revisions if d == 0)
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repository = branch.repository
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revisions = repository.get_revisions(revision_ids[:num])
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if verbose or specific_fileid:
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delta_revisions = [r for r in revisions if
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r.revision_id in zeros]
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deltas = repository.get_deltas_for_revisions(delta_revisions)
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cur_deltas = dict(izip((r.revision_id for r in
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delta_revisions), deltas))
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for revision in revisions:
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# The delta value will be None unless
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# 1. verbose or specific_fileid is specified, and
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# 2. the revision is a mainline revision
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yield revision, cur_deltas.get(revision.revision_id)
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revision_ids = revision_ids[num:]
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if direction == 'reverse':
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elif direction == 'forward':
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raise ValueError('invalid direction %r' % direction)
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revision_history = branch.revision_history()
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for revno, rev_id in cut_revs:
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if verbose or specific_fileid:
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delta = _get_revision_delta(branch, revno)
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# now we just print all the revisions
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for ((rev_id, revno, merge_depth), (rev, delta)) in \
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izip(view_revisions, iter_revisions()):
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if not delta.touches_file_id(specific_fileid):
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# although we calculated it, throw it away without display
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rev = branch.get_revision(rev_id)
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if not searchRE.search(rev.message):
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# a mainline revision.
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if not delta.touches_file_id(specific_fileid):
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lf.show(revno, rev, delta)
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if hasattr(lf, 'show_merge'):
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# revno is 1 based, so -2 to get back 1 less.
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excludes = set(branch.get_ancestry(revision_history[revno - 2]))
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pending = list(rev.parent_ids)
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rev_id = pending.pop()
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if rev_id in excludes:
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# prevent showing merged revs twice if they multi-path.
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rev = branch.get_revision(rev_id)
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except errors.NoSuchRevision:
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pending.extend(rev.parent_ids)
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def deltas_for_log_dummy(branch, which_revs):
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"""Return all the revisions without intermediate deltas.
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Useful for log commands that won't need the delta information.
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# although we calculated it, throw it away without display
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lf.show(revno, rev, delta)
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lf.show_merge(rev, merge_depth)
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def get_view_revisions(mainline_revs, rev_nos, branch, direction,
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include_merges=True):
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"""Produce an iterator of revisions to show
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:return: an iterator of (revision_id, revno, merge_depth)
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(if there is no revno for a revision, None is supplied)
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if include_merges is False:
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revision_ids = mainline_revs[1:]
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if direction == 'reverse':
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revision_ids.reverse()
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for revision_id in revision_ids:
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yield revision_id, rev_nos[revision_id], 0
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merge_sorted_revisions = merge_sort(
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branch.repository.get_revision_graph(mainline_revs[-1]),
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if direction == 'forward':
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# forward means oldest first.
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merge_sorted_revisions = reverse_by_depth(merge_sorted_revisions)
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elif direction != 'reverse':
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raise ValueError('invalid direction %r' % direction)
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revision_history = branch.revision_history()
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for sequence, rev_id, merge_depth, end_of_merge in merge_sorted_revisions:
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yield rev_id, rev_nos.get(rev_id), merge_depth
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def reverse_by_depth(merge_sorted_revisions, _depth=0):
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"""Reverse revisions by depth.
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Revisions with a different depth are sorted as a group with the previous
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revision of that depth. There may be no topological justification for this,
294
but it looks much nicer.
297
for val in merge_sorted_revisions:
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zd_revisions.append([val])
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assert val[2] > _depth
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zd_revisions[-1].append(val)
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for revisions in zd_revisions:
304
if len(revisions) > 1:
305
revisions[1:] = reverse_by_depth(revisions[1:], _depth + 1)
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zd_revisions.reverse()
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for chunk in zd_revisions:
260
for revno, revision_id in which_revs:
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yield revno, branch.get_revision(revision_id), None
264
def deltas_for_log_reverse(branch, which_revs):
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"""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)
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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())
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
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
313
336
class LogFormatter(object):
314
337
"""Abstract class to display log messages."""
316
338
def __init__(self, to_file, show_ids=False, show_timezone='original'):
317
339
self.to_file = to_file
318
340
self.show_ids = show_ids
319
341
self.show_timezone = show_timezone
321
344
def show(self, revno, rev, delta):
322
345
raise NotImplementedError('not implemented in abstract base')
414
436
return rev.message
416
438
def show(self, revno, rev, delta):
417
from bzrlib.osutils import terminal_width
418
print >> self.to_file, self.log_string(revno, rev, terminal_width()-1)
439
print >> self.to_file, self.log_string(rev, 79)
420
def log_string(self, revno, rev, max_chars):
421
"""Format log info into one string. Truncate tail of string
422
:param revno: revision number (int) or None.
423
Revision numbers counts from 1.
424
:param rev: revision info object
425
:param max_chars: maximum length of resulting string
426
:return: formatted truncated string
430
# show revno only when is not None
431
out.append("%d:" % revno)
432
out.append(self.truncate(self.short_committer(rev), 20))
441
def log_string(self, rev, max_chars):
442
out = [self.truncate(self.short_committer(rev), 20)]
433
443
out.append(self.date_string(rev))
434
out.append(rev.get_summary())
444
out.append(self.message(rev).replace('\n', ' '))
435
445
return self.truncate(" ".join(out).rstrip('\n'), max_chars)
438
447
def line_log(rev, max_chars):
439
448
lf = LineLogFormatter(None)
440
return lf.log_string(None, rev, max_chars)
449
return lf.log_string(rev, max_chars)
443
'long': LongLogFormatter,
451
FORMATTERS = {'long': LongLogFormatter,
444
452
'short': ShortLogFormatter,
445
453
'line': LineLogFormatter,
448
def register_formatter(name, formatter):
449
FORMATTERS[name] = formatter
451
457
def log_formatter(name, *args, **kwargs):
452
458
"""Construct a formatter from arguments.