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# Written by Alexander Belchenko
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# based on Robert Collins code
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Show all 'heads' in a repository"""
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from bzrlib.commands import Command, display_command, register_command
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from bzrlib import errors
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from bzrlib.option import Option
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from bzrlib.urlutils import unescape_for_display
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class cmd_heads(Command):
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"""Show all revisions in a repository not having descendants.
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takes_options = [Option('by-date',
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help='Sort heads by date (descending).'),
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Option('all', help='Show all heads (dead and alive).'),
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Option('dead-only', help='Show only dead heads.'),
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Option('tips', help='Show tips of all branches.'),
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help='Enable debug print of operations times.'),
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encoding_type = "replace"
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takes_args = ['location?']
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def run(self, by_date=False, all=False, dead_only=False, tips=False,
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debug_time=False, location='.'):
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from bzrlib.osutils import format_date
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import bzrlib.repository
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self._init_elapsed_time(debug_time)
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branch = bzrlib.branch.Branch.open_containing(location)[0]
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repo = branch.repository
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except errors.NotBranchError:
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repo = bzrlib.repository.Repository.open(location)
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except errors.NotBranchError:
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("You need to run this command "
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"either from the root of a shared repository,\n"
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possible_heads = set(repo.all_revision_ids())
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g = repo.get_graph().get_parent_map(possible_heads)
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for parents in g.values():
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not_heads.update(set(parents))
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self.heads = possible_heads.difference(not_heads)
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# TODO: use different sorting schemes instead of alphabetical sort
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self.heads = list(self.heads)
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self._print_elapsed_time('get heads:')
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## mark heads as dead or alive
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# mark all heads as dead
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for head in self.heads:
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self.head_mark[head] = 'dead'
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# give the list of live branches in repository or current branch
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self._iter_branches_update_marks(repo, self.outf.encoding)
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self._print_elapsed_time('make head marks:')
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heads_tips = set(self.heads)
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heads_tips.update(set(self.tips.keys()))
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self.heads = list(heads_tips)
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head_revisions = dict(zip(self.heads,
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repo.get_revisions(self.heads)))
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for head in self.heads:
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rev = head_revisions[head]
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timestamp = rev.timestamp
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dates[timestamp] = head
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self.heads.append(dates[k])
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self._print_elapsed_time('sort by date:')
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show_timezone = 'original'
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for head in self.heads:
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mark = self.head_mark[head]
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if not tips or mark != 'tip':
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if mark in ('alive', 'tip'):
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print >>to_file, 'TIP of branches:',
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print >>to_file, '[', ', '.join(t), ']'
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print >>to_file, 'TIP of branch:', t[0]
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if mark in ('alive', 'dead'):
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print >>to_file, 'HEAD:',
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print >>to_file, "revision-id:", head,
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if mark == 'dead': print >>to_file, '(dead)'
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else: print >>to_file
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rev = head_revisions[head]
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# borrowed from LongLogFormatter
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print >>to_file, indent+'committer:', rev.committer
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print >>to_file, indent+'branch nick: %s' % \
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rev.properties['branch-nick']
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date_str = format_date(rev.timestamp,
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print >>to_file, indent+'timestamp: %s' % date_str
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print >>to_file, indent+'message:'
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print >>to_file, indent+' (no message)'
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message = rev.message.rstrip('\r\n')
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for l in message.split('\n'):
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print >>to_file, indent+' ' + l
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self._print_elapsed_time('print head:')
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print >>to_file, 'No heads found'
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def _iter_branches_update_marks(self, repo, encoding):
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for b in repo.find_branches(using=True):
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last_revid = b.last_revision()
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if last_revid in self.heads:
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self.head_mark[last_revid] = 'alive'
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self.head_mark[last_revid] = 'tip'
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escaped = unescape_for_display(b.base, encoding)
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self.tips.setdefault(last_revid, []).append(escaped)
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def _init_elapsed_time(self, debug_time=False):
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self.debug_time = debug_time
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self._time = time.time()
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def _print_elapsed_time(self, msg):
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last_time = time.time()
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print msg, last_time - self._time
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self._time = last_time
added
removed
heads.py
