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Viewing changes to patch.py

  • Committer: Robert Collins
  • Date: 2005-10-16 01:34:07 UTC
  • mto: (147.4.12) (364.1.3 bzrtools)
  • mto: This revision was merged to the branch mainline in revision 324.
  • Revision ID: robertc@lifelesslap.robertcollins.net-20051016013407-6e557ae747616ae6
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patch.py
 
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import sys
 
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from subprocess import Popen, PIPE
 
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def patch(branch, filename, strip):
 
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    """Apply a patch to a branch, using patch(1)."""
 
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    if filename is None:
 
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        my_file = sys.stdin
 
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    else:
 
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        my_file = file(filename, 'rb')
 
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    cmd = ['patch', '--directory', branch.base, '--strip', str(strip)]
 
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    child_proc = Popen(cmd, stdin=PIPE)
 
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    for line in my_file:
 
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        child_proc.stdin.write(line)
 
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    child_proc.stdin.close()
 
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    return child_proc.wait()