203
191
# list indexes are 0-based; revisions are 1-based
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192
cut_revs = which_revs[(start_revision-1):(end_revision)]
206
if direction == 'reverse':
208
elif direction == 'forward':
211
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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# 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 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.repository.get_revision(rev_id)
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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 searchRE.search(rev.message):
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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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repository = branch.repository
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excludes = repository.get_ancestry(revision_history[revno - 2])
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excludes = set(excludes)
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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.repository.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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# a mainline revision.
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if not delta.touches_file_id(specific_fileid):
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for revno, revision_id in which_revs:
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yield revno, branch.get_revision(revision_id), None
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def deltas_for_log_reverse(branch, which_revs):
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"""Compute deltas for display in latest-to-earliest order.
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Sequence of (revno, revision_id) for the subset of history to examine
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Sequence of (revno, rev, delta)
278
The delta is from the given revision to the next one in the
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sequence, which makes sense if the log is being displayed from
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last_revno = last_revision_id = last_tree = None
283
for revno, revision_id in which_revs:
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this_tree = branch.revision_tree(revision_id)
285
this_revision = branch.get_revision(revision_id)
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yield last_revno, last_revision, compare_trees(this_tree, last_tree, False)
290
this_tree = EmptyTree(branch.get_root_id())
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last_revision = this_revision
294
last_tree = this_tree
298
this_tree = EmptyTree(branch.get_root_id())
300
this_revno = last_revno - 1
301
this_revision_id = branch.revision_history()[this_revno]
302
this_tree = branch.revision_tree(this_revision_id)
303
yield last_revno, last_revision, compare_trees(this_tree, last_tree, False)
306
def deltas_for_log_forward(branch, which_revs):
307
"""Compute deltas for display in forward log.
309
Given a sequence of (revno, revision_id) pairs, return
312
The delta is from the given revision to the next one in the
313
sequence, which makes sense if the log is being displayed from
316
last_revno = last_revision_id = last_tree = None
317
prev_tree = EmptyTree(branch.get_root_id())
319
for revno, revision_id in which_revs:
320
this_tree = branch.revision_tree(revision_id)
321
this_revision = branch.get_revision(revision_id)
325
last_tree = EmptyTree(branch.get_root_id())
327
last_revno = revno - 1
328
last_revision_id = branch.revision_history()[last_revno]
329
last_tree = branch.revision_tree(last_revision_id)
331
yield revno, this_revision, compare_trees(last_tree, this_tree, False)
334
last_revision = this_revision
335
last_tree = this_tree
251
# although we calculated it, throw it away without display
254
lf.show(revno, rev, delta)
256
lf.show_merge(rev, merge_depth)
259
def get_view_revisions(mainline_revs, rev_nos, branch, direction,
260
include_merges=True):
261
"""Produce an iterator of revisions to show
262
:return: an iterator of (revision_id, revno, merge_depth)
263
(if there is no revno for a revision, None is supplied)
265
if include_merges is False:
266
revision_ids = mainline_revs[1:]
267
if direction == 'reverse':
268
revision_ids.reverse()
269
for revision_id in revision_ids:
270
yield revision_id, rev_nos[revision_id], 0
272
merge_sorted_revisions = merge_sort(
273
branch.repository.get_revision_graph(mainline_revs[-1]),
277
if direction == 'forward':
278
# forward means oldest first.
279
merge_sorted_revisions = reverse_by_depth(merge_sorted_revisions)
280
elif direction != 'reverse':
281
raise ValueError('invalid direction %r' % direction)
283
revision_history = branch.revision_history()
285
for sequence, rev_id, merge_depth, end_of_merge in merge_sorted_revisions:
286
yield rev_id, rev_nos.get(rev_id), merge_depth
289
def reverse_by_depth(merge_sorted_revisions, _depth=0):
290
"""Reverse revisions by depth.
292
Revisions with a different depth are sorted as a group with the previous
293
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:
299
zd_revisions.append([val])
301
assert val[2] > _depth
302
zd_revisions[-1].append(val)
303
for revisions in zd_revisions:
304
if len(revisions) > 1:
305
revisions[1:] = reverse_by_depth(revisions[1:], _depth + 1)
306
zd_revisions.reverse()
308
for chunk in zd_revisions:
338
313
class LogFormatter(object):
339
314
"""Abstract class to display log messages."""
340
316
def __init__(self, to_file, show_ids=False, show_timezone='original'):
341
317
self.to_file = to_file
342
318
self.show_ids = show_ids
343
319
self.show_timezone = show_timezone
346
321
def show(self, revno, rev, delta):
347
322
raise NotImplementedError('not implemented in abstract base')
438
414
return rev.message
440
416
def show(self, revno, rev, delta):
441
print >> self.to_file, self.log_string(rev, 79)
417
from bzrlib.osutils import terminal_width
418
print >> self.to_file, self.log_string(revno, rev, terminal_width()-1)
443
def log_string(self, rev, max_chars):
444
out = [self.truncate(self.short_committer(rev), 20)]
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))
445
433
out.append(self.date_string(rev))
446
out.append(self.message(rev).replace('\n', ' '))
434
out.append(rev.get_summary())
447
435
return self.truncate(" ".join(out).rstrip('\n'), max_chars)
449
438
def line_log(rev, max_chars):
450
439
lf = LineLogFormatter(None)
451
return lf.log_string(rev, max_chars)
440
return lf.log_string(None, rev, max_chars)
453
FORMATTERS = {'long': LongLogFormatter,
443
'long': LongLogFormatter,
454
444
'short': ShortLogFormatter,
455
445
'line': LineLogFormatter,
448
def register_formatter(name, formatter):
449
FORMATTERS[name] = formatter
459
451
def log_formatter(name, *args, **kwargs):
460
452
"""Construct a formatter from arguments.