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
|
# Copyright (C) 2010 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 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
"""Conversion between refs and Bazaar revision pointers."""
def extract_tags(refs):
"""Extract the tags from a refs dictionary.
:param refs: Refs to extract the tags from.
:return: Dictionary mapping tag names to SHA1s.
"""
ret = {}
for k,v in refs.iteritems():
if k.startswith("refs/tags/") and not k.endswith("^{}"):
v = refs.get(k+"^{}", v)
ret[k[len("refs/tags/"):]] = v
return ret
def branch_name_to_ref(name, default=None):
"""Map a branch name to a ref.
:param name: Branch name
:return: ref string
"""
if name is None:
return default
if name == "HEAD":
return "HEAD"
if not name.startswith("refs/"):
return "refs/heads/%s" % name
else:
return name
def ref_to_branch_name(ref):
"""Map a ref to a branch name
:param ref: Ref
:return: A branch name
"""
if ref == "HEAD":
return "HEAD"
if ref.startswith("refs/heads/"):
return ref[len("refs/heads/"):]
raise ValueError("unable to map ref %s back to branch name")
|