comparison unixSoft/bin/svn-hgmerge.py @ 0:c30d68fbd368

Initial import from svn.
author Augie Fackler <durin42@gmail.com>
date Wed, 26 Nov 2008 10:56:09 -0600
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1 #!/usr/bin/env python
2 # ====================================================================
3 # Copyright (c) 2007 CollabNet. All rights reserved.
4 #
5 # This software is licensed as described in the file COPYING, which
6 # you should have received as part of this distribution. The terms
7 # are also available at http://subversion.tigris.org/license-1.html.
8 # If newer versions of this license are posted there, you may use a
9 # newer version instead, at your option.
10 #
11 # This software consists of voluntary contributions made by many
12 # individuals. For exact contribution history, see the revision
13 # history and logs, available at http://subversion.tigris.org/.
14 # ====================================================================
15 HGMERGE_BINARY='hgmerge'
16
17 '''This script allows using Mercurial's hgmerge script with Subversion.
18 '''
19
20 import os
21 import sys
22 import shutil
23 import tempfile
24
25 def do_hgmerge(base, repo, local, merged):
26 '''Runs an interactive three-way merge using Mercurial's hgmerge script.
27
28 This function is designed to convert Subversion's four-file interactive merges
29 into Mercurial's three-file interactive merges so that hgmerge can be used for
30 interactive merging in subversion.
31 '''
32 # We have to use a temporary directory because FileMerge on OS X fails to save
33 # the file if it has to write to a file in the CWD. As of now, there's no
34 # obvious reason for why that is, but this fixes it.
35 temp_dir = tempfile.mkdtemp(prefix='svn_hgmerge')
36 local_name = local.split('/')[-1]
37 temp_file = temp_dir+'/'+local_name
38 shutil.copyfile(local, temp_file)
39 args = [HGMERGE_BINARY, temp_file, base, repo]
40 status = os.spawnvp(os.P_WAIT, HGMERGE_BINARY, args)
41 print status
42 if status == 0:
43 os.unlink(merged)
44 shutil.copyfile(temp_file, merged)
45 os.unlink(temp_file)
46 os.rmdir(temp_dir)
47 return status
48
49 if __name__ == '__main__':
50 status = do_hgmerge(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4])
51 sys.exit(status)
52