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annotate 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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25afb21d97ba Support for 'hg --version'. setup.py stores version from hg repository.
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1 # Copyright (C) 2005 by Intevation GmbH
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2 # Author(s):
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3 # Thomas Arendsen Hein <thomas@intevation.de>
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4 #
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5 # This program is free software under the GNU GPL (>=v2)
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6 # Read the file COPYING coming with the software for details.
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7
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8 """
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9 Mercurial version
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10 """
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11
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12 import os
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13 import os.path
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14 import re
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15 import time
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16
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17 unknown_version = 'unknown'
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18
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19 def get_version():
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20 """Return version information if available."""
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21 try:
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22 from mercurial.__version__ import version
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23 except ImportError:
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24 version = unknown_version
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25 return version
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26
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27 def write_version(version):
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28 """Overwrite version file."""
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29 filename = os.path.join(os.path.dirname(__file__), '__version__.py')
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30 f = open(filename, 'w')
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31 f.write("# This file is auto-generated.\n")
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32 f.write("version = %r\n" % version)
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33 f.close()
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34
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35 def remember_version():
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36 """Store version information."""
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37 f = os.popen("hg identify 2>/dev/null") # use real hg installation
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38 ident = f.read()[:-1]
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39 if not f.close() and ident:
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40 ids = ident.split(' ', 1)
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41 version = ids.pop(0)
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42 if version[-1] == '+':
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43 version = version[:-1]
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44 modified = True
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45 else:
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46 modified = False
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47 if version.isalnum() and ids:
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48 for tag in ids[0].split('/'):
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49 # is a tag is suitable as a version number?
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50 if re.match(r'^(\d+\.)+[\w.-]+$', tag):
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51 version = tag
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52 break
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53 if modified:
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54 version += time.strftime('+%Y%m%d')
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55 else:
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56 version = unknown_version
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57 write_version(version)
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58
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59 def forget_version():
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60 """Remove version information."""
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61 write_version(unknown_version)
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