Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/version.py @ 5377:756a43a30e34
convert: readd --filemap
To handle merges correctly, this revision adds a filemap_source class
that wraps a converter_source and does the work necessary to calculate
the subgraph we're interested in.
The wrapped converter_source must provide a new getchangedfiles method
that, given a revision rev, and an index N, returns the list of files
that are different in rev and its Nth parent.
The implementation depends on the ability to skip some revisions and to
change the parents field of the commit objects that we returned earlier.
To make the conversion restartable, we assume the revisons in the
revmapfile are topologically sorted.
author | Alexis S. L. Carvalho <alexis@cecm.usp.br> |
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date | Thu, 04 Oct 2007 23:21:37 -0300 |
parents | cff3e4b4a8de |
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rev | line source |
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2858 | 1 # Copyright (C) 2005, 2006 by Intevation GmbH |
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Support for 'hg --version'. setup.py stores version from hg repository.
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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 |
461 | 16 import util |
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17 |
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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(doreload=False): |
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22 """Return version information if available.""" |
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23 try: |
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24 import mercurial.__version__ |
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25 if doreload: |
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26 reload(mercurial.__version__) |
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27 version = mercurial.__version__.version |
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28 except ImportError: |
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29 version = unknown_version |
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30 return version |
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31 |
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32 def write_version(version): |
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33 """Overwrite version file.""" |
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34 if version == get_version(): |
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35 return |
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36 directory = os.path.dirname(__file__) |
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37 for suffix in ['py', 'pyc', 'pyo']: |
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38 try: |
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39 os.unlink(os.path.join(directory, '__version__.%s' % suffix)) |
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40 except OSError: |
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41 pass |
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42 f = open(os.path.join(directory, '__version__.py'), 'w') |
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43 f.write("# This file is auto-generated.\n") |
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44 f.write("version = %r\n" % version) |
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45 f.close() |
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46 # reload the file we've just written |
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47 get_version(True) |
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48 |
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49 def remember_version(version=None): |
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50 """Store version information.""" |
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51 global remembered_version |
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52 if not version and os.path.isdir(".hg"): |
461 | 53 f = os.popen("hg identify 2> %s" % util.nulldev) # use real hg installation |
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54 ident = f.read()[:-1] |
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55 if not f.close() and ident: |
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56 ids = ident.split(' ', 1) |
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57 version = ids.pop(0) |
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58 if version[-1] == '+': |
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59 version = version[:-1] |
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60 modified = True |
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61 else: |
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62 modified = False |
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63 if version.isalnum() and ids: |
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64 for tag in ids[0].split('/'): |
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65 # is a tag is suitable as a version number? |
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66 if re.match(r'^(\d+\.)+[\w.-]+$', tag): |
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67 version = tag |
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68 break |
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69 if modified: |
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70 version += time.strftime('+%Y%m%d') |
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71 if version: |
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72 remembered_version = True |
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73 write_version(version) |
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74 |
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75 def forget_version(): |
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76 """Remove version information.""" |
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77 if remembered_version: |
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78 write_version(unknown_version) |
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79 |