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def _enumerate_history(branch):
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for rev_id in branch.revision_history():
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rh.append((revno, rev_id))
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def _get_revision_delta(branch, revno):
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"""Return the delta for a mainline revision.
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This is used to show summaries in verbose logs, and also for finding
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revisions which touch a given file."""
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# FIXME: The current version is very inefficient; it retrieves all revisions
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# twice and reads the weave twice. We ought to keep revisions in memory
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# in case they're used again, either in a general cache or perhaps
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# XXX: What are we supposed to do when showing a summary for something
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# other than a mainline revision. The delta to it's first parent, or
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# (more useful) the delta to a nominated other revision.
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return branch.get_revision_delta(revno)
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def show_log(branch,
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show_timezone='original',
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specific_fileid=None,
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"""Write out human-readable log of commits to this branch.
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LogFormatter object to show the output.
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If true, list only the commits affecting the specified
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142
file, rather than all commits.
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'original' (committer's timezone),
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'utc' (universal time), or
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'local' (local user's timezone)
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If true show added/changed/deleted/renamed files.
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If true, show revision and file ids.
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File to send log to; by default stdout.
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from osutils import format_date
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from errors import BzrCheckError
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from diff import compare_trees
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from textui import show_status
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file_id = branch.read_working_inventory().path2id(filename)
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for revno, revid, why in find_touching_revisions(branch, file_id):
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for i, revid in enumerate(branch.revision_history()):
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'reverse' (default) is latest to earliest;
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'forward' is earliest to latest.
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If not None, only show revisions >= start_revision
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If not None, only show revisions <= end_revision
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from bzrlib.osutils import format_date
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from bzrlib.errors import BzrCheckError
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from bzrlib.textui import show_status
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from warnings import warn
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if not isinstance(lf, LogFormatter):
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warn("not a LogFormatter instance: %r" % lf)
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mutter('get log for file_id %r' % specific_fileid)
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if search is not None:
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searchRE = re.compile(search, re.IGNORECASE)
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which_revs = _enumerate_history(branch)
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if start_revision is None:
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branch.check_real_revno(start_revision)
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if end_revision is None:
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end_revision = len(which_revs)
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branch.check_real_revno(end_revision)
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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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if direction == 'reverse':
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elif direction == 'forward':
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raise ValueError('invalid direction %r' % direction)
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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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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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lf.show(revno, rev, delta)
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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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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)
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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
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for revno, revision_id in which_revs:
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this_tree = branch.revision_tree(revision_id)
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this_revision = branch.get_revision(revision_id)
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branch._need_readlock()
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from tree import EmptyTree
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prev_tree = EmptyTree()
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for revno, revision_id in which_revs():
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yield last_revno, last_revision, compare_trees(this_tree, last_tree, False)
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this_tree = EmptyTree(branch.get_root_id())
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last_revision = this_revision
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last_tree = this_tree
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this_tree = EmptyTree(branch.get_root_id())
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this_revno = last_revno - 1
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this_revision_id = branch.revision_history()[this_revno]
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this_tree = branch.revision_tree(this_revision_id)
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yield last_revno, last_revision, compare_trees(this_tree, last_tree, False)
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def deltas_for_log_forward(branch, which_revs):
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"""Compute deltas for display in forward log.
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Given a sequence of (revno, revision_id) pairs, return
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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
280
prev_tree = EmptyTree(branch.get_root_id())
282
for revno, revision_id in which_revs:
283
this_tree = branch.revision_tree(revision_id)
284
this_revision = branch.get_revision(revision_id)
288
last_tree = EmptyTree(branch.get_root_id())
290
last_revno = revno - 1
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last_revision_id = branch.revision_history()[last_revno]
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last_tree = branch.revision_tree(last_revision_id)
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yield revno, this_revision, compare_trees(last_tree, this_tree, False)
297
last_revision = this_revision
298
last_tree = this_tree
301
class LogFormatter(object):
302
"""Abstract class to display log messages."""
303
def __init__(self, to_file, show_ids=False, show_timezone='original'):
304
self.to_file = to_file
305
self.show_ids = show_ids
306
self.show_timezone = show_timezone
309
def show(self, revno, rev, delta):
310
raise NotImplementedError('not implemented in abstract base')
313
class LongLogFormatter(LogFormatter):
314
def show(self, revno, rev, delta):
315
from osutils import format_date
317
to_file = self.to_file
120
319
print >>to_file, '-' * 60
121
320
print >>to_file, 'revno:', revno
122
rev = branch.get_revision(revision_id)
124
print >>to_file, 'revision-id:', revision_id
322
print >>to_file, 'revision-id:', rev.revision_id
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for parent_id in rev.parent_ids:
325
print >>to_file, 'parent:', parent_id
125
327
print >>to_file, 'committer:', rev.committer
126
print >>to_file, 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0,
129
if revision_id != rev.revision_id:
130
raise BzrCheckError("retrieved wrong revision: %r"
131
% (revision_id, rev.revision_id))
329
date_str = format_date(rev.timestamp,
332
print >>to_file, 'timestamp: %s' % date_str
133
334
print >>to_file, 'message:'
134
335
if not rev.message:
137
338
for l in rev.message.split('\n'):
138
339
print >>to_file, ' ' + l
140
# Don't show a list of changed files if we were asked about
144
this_tree = branch.revision_tree(revision_id)
145
delta = compare_trees(prev_tree, this_tree, want_unchanged=False)
146
delta.show(to_file, show_ids)
147
prev_tree = this_tree
149
precursor = revision_id
342
delta.show(to_file, self.show_ids)
346
class ShortLogFormatter(LogFormatter):
347
def show(self, revno, rev, delta):
348
from bzrlib.osutils import format_date
350
to_file = self.to_file
352
print >>to_file, "%5d %s\t%s" % (revno, rev.committer,
353
format_date(rev.timestamp, rev.timezone or 0,
356
print >>to_file, ' revision-id:', rev.revision_id
358
print >>to_file, ' (no message)'
360
for l in rev.message.split('\n'):
361
print >>to_file, ' ' + l
363
# TODO: Why not show the modified files in a shorter form as
364
# well? rewrap them single lines of appropriate length
366
delta.show(to_file, self.show_ids)
371
FORMATTERS = {'long': LongLogFormatter,
372
'short': ShortLogFormatter,
376
def log_formatter(name, *args, **kwargs):
377
"""Construct a formatter from arguments.
379
name -- Name of the formatter to construct; currently 'long' and
380
'short' are supported.
382
from bzrlib.errors import BzrCommandError
384
return FORMATTERS[name](*args, **kwargs)
386
raise BzrCommandError("unknown log formatter: %r" % name)
388
def show_one_log(revno, rev, delta, verbose, to_file, show_timezone):
389
# deprecated; for compatability
390
lf = LongLogFormatter(to_file=to_file, show_timezone=show_timezone)
391
lf.show(revno, rev, delta)