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annotate unixSoft/bin/svn-hgmerge.py @ 426:f39a5ec4889d

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custom: package.el dropped some stuff in here
author Augie Fackler <raf@durin42.com>
date Tue, 29 Nov 2016 13:46:39 -0500
parents c30d68fbd368
children
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1 #!/usr/bin/env python
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2 # ====================================================================
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3 # Copyright (c) 2007 CollabNet. All rights reserved.
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4 #
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5 # This software is licensed as described in the file COPYING, which
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6 # you should have received as part of this distribution. The terms
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7 # are also available at http://subversion.tigris.org/license-1.html.
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8 # If newer versions of this license are posted there, you may use a
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9 # newer version instead, at your option.
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10 #
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11 # This software consists of voluntary contributions made by many
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12 # individuals. For exact contribution history, see the revision
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13 # history and logs, available at http://subversion.tigris.org/.
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14 # ====================================================================
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15 HGMERGE_BINARY='hgmerge'
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16
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17 '''This script allows using Mercurial's hgmerge script with Subversion.
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18 '''
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19
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20 import os
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21 import sys
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22 import shutil
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23 import tempfile
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24
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25 def do_hgmerge(base, repo, local, merged):
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26 '''Runs an interactive three-way merge using Mercurial's hgmerge script.
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27
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28 This function is designed to convert Subversion's four-file interactive merges
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29 into Mercurial's three-file interactive merges so that hgmerge can be used for
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30 interactive merging in subversion.
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31 '''
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32 # We have to use a temporary directory because FileMerge on OS X fails to save
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33 # the file if it has to write to a file in the CWD. As of now, there's no
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34 # obvious reason for why that is, but this fixes it.
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35 temp_dir = tempfile.mkdtemp(prefix='svn_hgmerge')
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36 local_name = local.split('/')[-1]
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37 temp_file = temp_dir+'/'+local_name
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38 shutil.copyfile(local, temp_file)
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39 args = [HGMERGE_BINARY, temp_file, base, repo]
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40 status = os.spawnvp(os.P_WAIT, HGMERGE_BINARY, args)
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41 print status
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42 if status == 0:
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43 os.unlink(merged)
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44 shutil.copyfile(temp_file, merged)
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45 os.unlink(temp_file)
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46 os.rmdir(temp_dir)
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47 return status
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48
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49 if __name__ == '__main__':
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50 status = do_hgmerge(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4])
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51 sys.exit(status)
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52