/usr/lib/python2.7/dist-packages/bzrlib/plugins/bzrtools/heads.py is in bzrtools 2.6.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 | # Written by Alexander Belchenko
# based on Robert Collins code
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Show all 'heads' in a repository"""
import time
import bzrlib
from bzrlib.commands import Command, display_command
from bzrlib import errors
from bzrlib.option import Option
from bzrlib.urlutils import unescape_for_display
class cmd_heads(Command):
"""Show all revisions in a repository not having descendants.
"""
takes_options = [Option('by-date',
help='Sort heads by date (descending).'),
Option('all', help='Show all heads (dead and alive).'),
Option('dead-only', help='Show only dead heads.'),
Option('tips', help='Show tips of all branches.'),
Option('debug-time',
help='Enable debug print of operations times.'),
]
encoding_type = "replace"
takes_args = ['location?']
@display_command
def run(self, by_date=False, all=False, dead_only=False, tips=False,
debug_time=False, location='.'):
import bzrlib.branch
from bzrlib.osutils import format_date
import bzrlib.repository
self._init_elapsed_time(debug_time)
to_file = self.outf
branch = None
try:
branch = bzrlib.branch.Branch.open_containing(location)[0]
repo = branch.repository
except errors.NotBranchError:
try:
repo = bzrlib.repository.Repository.open(location)
except errors.NotBranchError:
print >>to_file, \
("You need to run this command "
"either from the root of a shared repository,\n"
"or from a branch.")
return 3
repo.lock_read()
try:
possible_heads = set(repo.all_revision_ids())
g = repo.get_graph().get_parent_map(possible_heads)
not_heads = set()
for parents in g.values():
not_heads.update(set(parents))
self.heads = possible_heads.difference(not_heads)
# TODO: use different sorting schemes instead of alphabetical sort
self.heads = list(self.heads)
self._print_elapsed_time('get heads:')
## mark heads as dead or alive
# mark all heads as dead
self.head_mark = {}
self.tips = {}
for head in self.heads:
self.head_mark[head] = 'dead'
# give the list of live branches in repository or current branch
# tip
self._iter_branches_update_marks(repo, self.outf.encoding)
self._print_elapsed_time('make head marks:')
if tips:
heads_tips = set(self.heads)
heads_tips.update(set(self.tips.keys()))
self.heads = list(heads_tips)
head_revisions = dict(zip(self.heads,
repo.get_revisions(self.heads)))
# sorting by date
if by_date:
dates = {}
for head in self.heads:
rev = head_revisions[head]
timestamp = rev.timestamp
dates[timestamp] = head
keys = dates.keys()
keys.sort()
keys.reverse()
self.heads = []
for k in keys:
self.heads.append(dates[k])
self._print_elapsed_time('sort by date:')
# show time
indent = ' '*2
show_timezone = 'original'
for head in self.heads:
mark = self.head_mark[head]
if not all:
if dead_only:
if mark != 'dead':
continue
else:
if mark != 'alive':
if not tips or mark != 'tip':
continue
# tips
if mark in ('alive', 'tip'):
t = self.tips[head]
if len(t) > 1:
print >>to_file, 'TIP of branches:',
print >>to_file, '[', ', '.join(t), ']'
else:
print >>to_file, 'TIP of branch:', t[0]
if mark in ('alive', 'dead'):
print >>to_file, 'HEAD:',
print >>to_file, "revision-id:", head,
if mark == 'dead': print >>to_file, '(dead)'
else: print >>to_file
rev = head_revisions[head]
# borrowed from LongLogFormatter
print >>to_file, indent+'committer:', rev.committer
try:
print >>to_file, indent+'branch nick: %s' % \
rev.properties['branch-nick']
except KeyError:
pass
date_str = format_date(rev.timestamp,
rev.timezone or 0,
show_timezone)
print >>to_file, indent+'timestamp: %s' % date_str
print >>to_file, indent+'message:'
if not rev.message:
print >>to_file, indent+' (no message)'
else:
message = rev.message.rstrip('\r\n')
for l in message.split('\n'):
print >>to_file, indent+' ' + l
self._print_elapsed_time('print head:')
print
if not self.heads:
print >>to_file, 'No heads found'
return 1
finally:
repo.unlock()
def _iter_branches_update_marks(self, repo, encoding):
for b in repo.find_branches(using=True):
last_revid = b.last_revision()
if last_revid in self.heads:
self.head_mark[last_revid] = 'alive'
else:
self.head_mark[last_revid] = 'tip'
escaped = unescape_for_display(b.base, encoding)
self.tips.setdefault(last_revid, []).append(escaped)
def _init_elapsed_time(self, debug_time=False):
self.debug_time = debug_time
if debug_time:
self._time = time.time()
def _print_elapsed_time(self, msg):
if self.debug_time:
last_time = time.time()
print msg, last_time - self._time
self._time = last_time
#/class cmd_heads
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