Mercurial > hg > mercurial-crew-with-dirclash

comparison mercurial/version.py @ 423:25afb21d97ba

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Support for 'hg --version'. setup.py stores version from hg repository. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Support for 'hg --version'. setup.py stores version from hg repository. manifest hash: c69058298ea12035f2cf356f987ba2fb5ff4bbae -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFCtD6ZW7P1GVgWeRoRAnGHAKCLscthht2UlBEMDmxL9cku4PlcswCffOVo wTOhYkW4Ie5+8bdmL8EqsvY= =uGpn -----END PGP SIGNATURE-----
author Thomas Arendsen Hein <thomas@intevation.de>
date Sat, 18 Jun 2005 16:32:41 +0100
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children 719663b7f235
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396:8f8bb77d560e 423:25afb21d97ba
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
19 def get_version():
20 """Return version information if available."""
21 try:
22 from mercurial.__version__ import version
23 except ImportError:
24 version = unknown_version
25 return version
26
27 def write_version(version):
28 """Overwrite version file."""
29 filename = os.path.join(os.path.dirname(__file__), '__version__.py')
30 f = open(filename, 'w')
31 f.write("# This file is auto-generated.\n")
32 f.write("version = %r\n" % version)
33 f.close()
34
35 def remember_version():
36 """Store version information."""
37 f = os.popen("hg identify 2>/dev/null") # use real hg installation
38 ident = f.read()[:-1]
39 if not f.close() and ident:
40 ids = ident.split(' ', 1)
41 version = ids.pop(0)
42 if version[-1] == '+':
43 version = version[:-1]
44 modified = True
45 else:
46 modified = False
47 if version.isalnum() and ids:
48 for tag in ids[0].split('/'):
49 # is a tag is suitable as a version number?
50 if re.match(r'^(\d+\.)+[\w.-]+$', tag):
51 version = tag
52 break
53 if modified:
54 version += time.strftime('+%Y%m%d')
55 else:
56 version = unknown_version
57 write_version(version)
58
59 def forget_version():
60 """Remove version information."""
61 write_version(unknown_version)
62