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-rw-r--r--gbp/pkg/pristinetar.py115
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diff --git a/gbp/pkg/pristinetar.py b/gbp/pkg/pristinetar.py
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+# vim: set fileencoding=utf-8 :
+#
+# (C) 2012 Guido G√ľnther <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])
+