1 # Copyright (C) 2007 Jelmer Vernooij <jelmer@samba.org>
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program; if not, write to the Free Software
15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 """Custom revision specifier for Subversion."""
18 from bzrlib.errors import BzrError, InvalidRevisionSpec, NoSuchRevision
19 from bzrlib.revisionspec import RevisionSpec, RevisionInfo
21 class RevisionSpec_svn(RevisionSpec):
22 """Selects a revision using a Subversion revision number."""
24 help_txt = """Selects a revision using a Subversion revision number (revno).
26 Subversion revision numbers are per-repository whereas Bazaar revision
27 numbers are per-branch. This revision specifier allows specifying
28 a Subversion revision number.
30 This only works directly against Subversion branches.
35 def _match_on(self, branch, revs):
36 loc = self.spec.find(':')
37 if not getattr(branch.repository, 'uuid', None):
38 raise BzrError("the svn: revisionspec can only be used with Subversion branches")
40 return RevisionInfo.from_revision_id(branch, branch.generate_revision_id(int(self.spec[loc+1:])), branch.revision_history())
42 raise InvalidRevisionSpec(self.user_spec, branch)
43 except NoSuchRevision:
44 raise InvalidRevisionSpec(self.user_spec, branch)
46 def needs_branch(self):