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# Copyright (C) 2005 Aaron Bentley
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# <aaron.bentley@utoronto.ca>
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from subprocess import Popen, PIPE
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from urlparse import urlsplit, urlunsplit
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from bzrlib import urlutils
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from bzrlib.transport import get_transport
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from bzrlib.workingtree import WorkingTree
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def patch(tree, location, strip):
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"""Apply a patch to a branch, using patch(1). URLs may be used."""
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location = urlutils.normalize_url(location)
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(scheme, loc, path, query, fragment) = urlsplit(location)
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loc_start = urlunsplit((scheme, loc, '/', '', ''))
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my_file = get_transport(loc_start).get(path[1:])
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cmd = ['patch', '--directory', tree.basedir, '--strip', str(strip)]
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child_proc = Popen(cmd, stdin=PIPE)
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child_proc.stdin.write(line)
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child_proc.stdin.close()