command = ('dpkg-source', '--no-copy', '--no-check', '-q', '-x',
dscfilename, self.root_directory)
check_call(command, preexec_fn = subprocess_setup)
command = ('dpkg-source', '--no-copy', '--no-check', '-q', '-x',
dscfilename, self.root_directory)
check_call(command, preexec_fn = subprocess_setup)