Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/version.py @ 1562:2f97af0b522c

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Fix walkhelper on windows. The ''seen'' dictionary stores paths in canonical form, so the walkhelp must also provide paths in that form, otherwise the changed files are listed twice.
author Christian Boos <cboos@neuf.fr>
date Thu, 01 Dec 2005 10:48:18 -0600
parents 50da4bb9cab6
children 7eb694a1c1af
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 import util
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18 unknown_version = 'unknown'
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19 remembered_version = False
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20
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21 def get_version():
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22 """Return version information if available."""
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23 try:
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24 from mercurial.__version__ import version
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25 except ImportError:
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26 version = unknown_version
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27 return version
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29 def write_version(version):
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30 """Overwrite version file."""
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31 filename = os.path.join(os.path.dirname(__file__), '__version__.py')
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32 f = open(filename, 'w')
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33 f.write("# This file is auto-generated.\n")
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34 f.write("version = %r\n" % version)
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35 f.close()
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36
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37 def remember_version(version=None):
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38 """Store version information."""
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39 global remembered_version
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40 if not version and os.path.isdir(".hg"):
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41 f = os.popen("hg identify 2> %s" % util.nulldev) # use real hg installation
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42 ident = f.read()[:-1]
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43 if not f.close() and ident:
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44 ids = ident.split(' ', 1)
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45 version = ids.pop(0)
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46 if version[-1] == '+':
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47 version = version[:-1]
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48 modified = True
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49 else:
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50 modified = False
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51 if version.isalnum() and ids:
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52 for tag in ids[0].split('/'):
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53 # is a tag is suitable as a version number?
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54 if re.match(r'^(\d+\.)+[\w.-]+$', tag):
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55 version = tag
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56 break
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57 if modified:
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58 version += time.strftime('+%Y%m%d')
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59 if version:
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60 remembered_version = True
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61 write_version(version)
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63 def forget_version():
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64 """Remove version information."""
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65 if remembered_version:
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66 write_version(unknown_version)
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