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# based on Robert Collins code
"""Show all 'heads' in shared repository"""
from bzrlib.commands import Command, display_command, register_command
class cmd_heads(Command):
"""Show all revisions in shared repository that does not have descendants.
"""
encoding_type = "replace"
@display_command
def run(self):
from bzrlib.errors import NoRepositoryPresent
from bzrlib.osutils import format_date
import bzrlib.repository
try:
r = bzrlib.repository.Repository.open('.')
except NoRepositoryPresent, e:
print ("You need to run this command "
"from the root of shared repository")
return
g = r.get_revision_graph()
possible_heads = set(g.keys())
not_heads = set()
for parents in g.values():
not_heads.update(set(parents))
heads = possible_heads.difference(not_heads)
heads = list(heads)
heads.sort()
to_file = self.outf
indent = ' '*2
show_timezone = 'original'
for head in heads:
print "revid:", head
rev = r.get_revision(head)
# borrowed from LonLogFormatter
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
print
if not heads:
print 'No heads found'
#/class cmd_heads
register_command(cmd_heads)
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