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# Copyright (C) 2007 Jelmer Vernooij <jelmer@samba.org>
# 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 3 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
"""Custom revision specifier for Subversion."""
from bzrlib.errors import BzrError, InvalidRevisionSpec, NoSuchRevision
from bzrlib.revisionspec import RevisionSpec, RevisionInfo
class RevisionSpec_svn(RevisionSpec):
"""Selects a revision using a Subversion revision number."""
help_txt = """Selects a revision using a Subversion revision number (revno).
Subversion revision numbers are per-repository whereas Bazaar revision
numbers are per-branch. This revision specifier allows specifying
a Subversion revision number.
This only works directly against Subversion branches.
"""
prefix = 'svn:'
def _match_on(self, branch, revs):
loc = self.spec.find(':')
if not getattr(branch.repository, 'uuid', None):
raise BzrError("the svn: revisionspec can only be used with Subversion branches")
try:
return RevisionInfo.from_revision_id(branch, branch.generate_revision_id(int(self.spec[loc+1:])), branch.revision_history())
except ValueError:
raise InvalidRevisionSpec(self.user_spec, branch)
except NoSuchRevision:
raise InvalidRevisionSpec(self.user_spec, branch)
def needs_branch(self):
return True
def get_branch(self):
return None
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