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# Copyright (C) 2011 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import gzip
import logging
import morphlib
def export_sources(repo, ref, tar_filename):
'''Export the contents of a specific commit into a compressed tarball.'''
ex = morphlib.execute.Execute('.', msg=logging.debug)
tar = ex.runv(['git', 'archive', '--remote', repo, ref])
f = gzip.open(tar_filename, 'wb')
f.write(tar)
f.close()
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