/usr/share/pyshared/gbp/pkg/pristinetar.py is in git-buildpackage 0.6.0~git20120601.
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#
# (C) 2012 Guido Günther <agx@sigxcpu.org>
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Handle checkin and checkout of archives from the pristine-tar branch"""
import os, re
import gbp.log
from gbp.command_wrappers import Command
from gbp.pkg import compressor_opts
from gbp.deb import DebianPkgPolicy
class PristineTar(Command):
"""The pristine-tar branch in a git repository"""
cmd='/usr/bin/pristine-tar'
branch = 'pristine-tar'
def __init__(self, repo):
self.repo = repo
super(PristineTar, self).__init__(self.cmd, cwd=repo.path)
def has_commit(self, package, version, comp_type=None):
"""
Do we have a pristine-tar commit for package I{package} at version
{version} with compression type I{comp_type}?
@param package: the package to look for
@type package: C{str}
@param version: the upstream version to look for
@type version: C{str}
@param comp_type: the compression type
@type comp_type: C{str}
"""
return True if self.get_commit(package, version, comp_type) else False
def get_commit(self, package, version, comp_type=None):
"""
Get the pristine-tar commit of package I{package} in version I{version}
and compression type I{comp_type}
@param package: the package to look for
@type package: C{str}
@param version: the version to look for
@param comp_type: the compression type
@type comp_type: C{str}
"""
if not self.repo.has_pristine_tar_branch():
return None
if not comp_type:
ext = '\w\+'
else:
ext = compressor_opts[comp_type][1]
regex = ('pristine-tar .* %s_%s\.orig\.tar\.%s' %
(package, version, ext))
commits = self.repo.grep_log(regex, self.branch)
if commits:
commit = commits[-1]
gbp.log.debug("Found pristine-tar commit at '%s'" % commit)
return commit
return None
def _checkout(self, archive):
self.run_error = 'Couldn\'t checkout "%s"' % os.path.basename(archive)
self.__call__(['checkout', archive])
def checkout(self, package, version, comp_type, output_dir):
"""
Checkout the orig tarball for package I{package} of I{version} and
compression type I{comp_type} to I{output_dir}
@param package: the package to generate the orig tarball for
@type package: C{str}
@param version: the version to check generate the orig tarball for
@type version: C{str}
@param comp_type: the compression type of the tarball
@type comp_type: C{str}
@param output_dir: the directory to put the tarball into
@type output_dir: C{str}
"""
name = DebianPkgPolicy.build_tarball_name(package,
version,
comp_type,
output_dir)
self._checkout(name)
def commit(self, archive, upstream):
"""
Commit an archive I{archive} to the pristine tar branch using upstream
branch ${upstream}.
@param archive: the archive to commit
@type archive: C{str}
@param upstream: the upstream branch to diff against
@type upstream: C{str}
"""
ref = 'refs/heads/%s' % upstream
self.run_error = ("Couldn't commit to '%s' with upstream '%s'" %
(self.branch, upstream))
self.__call__(['commit', archive, upstream])
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