Mercurial > hg > mercurial-crew-with-dirclash

comparison mercurial/version.py @ 429:688d03d6997a

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Pull from TAH -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Pull from TAH manifest hash: 600d04efbd836d555d11a3bd9d821d1d8c0a9790 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCuPFxywK+sNU5EO8RAjfzAKC18Zc2EOkXhy1zcpgGnyPHnFMdmgCfW5Ut I5HSWqZMt8H0WJx1Or7ajNc= =27D5 -----END PGP SIGNATURE-----
author mpm@selenic.com
date Tue, 21 Jun 2005 21:04:49 -0800
parents 36e644d28edf
children 9ae0034f2772 50da4bb9cab6
comparison
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428:183c87d4e1a0 429:688d03d6997a
1 # Copyright (C) 2005 by Intevation GmbH
2 # Author(s):
3 # Thomas Arendsen Hein <thomas@intevation.de>
4 #
5 # This program is free software under the GNU GPL (>=v2)
6 # Read the file COPYING coming with the software for details.
7
8 """
9 Mercurial version
10 """
11
12 import os
13 import os.path
14 import re
15 import time
16
17 unknown_version = 'unknown'
18 remembered_version = False
19
20 def get_version():
21 """Return version information if available."""
22 try:
23 from mercurial.__version__ import version
24 except ImportError:
25 version = unknown_version
26 return version
27
28 def write_version(version):
29 """Overwrite version file."""
30 filename = os.path.join(os.path.dirname(__file__), '__version__.py')
31 f = open(filename, 'w')
32 f.write("# This file is auto-generated.\n")
33 f.write("version = %r\n" % version)
34 f.close()
35
36 def remember_version(version=None):
37 """Store version information."""
38 global remembered_version
39 if not version and os.path.isdir(".hg"):
40 f = os.popen("hg identify 2>/dev/null") # use real hg installation
41 ident = f.read()[:-1]
42 if not f.close() and ident:
43 ids = ident.split(' ', 1)
44 version = ids.pop(0)
45 if version[-1] == '+':
46 version = version[:-1]
47 modified = True
48 else:
49 modified = False
50 if version.isalnum() and ids:
51 for tag in ids[0].split('/'):
52 # is a tag is suitable as a version number?
53 if re.match(r'^(\d+\.)+[\w.-]+$', tag):
54 version = tag
55 break
56 if modified:
57 version += time.strftime('+%Y%m%d')
58 if version:
59 remembered_version = True
60 write_version(version)
61
62 def forget_version():
63 """Remove version information."""
64 if remembered_version:
65 write_version(unknown_version)
66