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# Copyright (C) 2014 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 cliapp
import os
import morphlib
class RefManifestPlugin(cliapp.Plugin):
"""Add subcommands for managing the ref-manifest in definitions."""
def enable(self):
self.app.add_subcommand('update-ref', self.update_ref,
arg_synopsis='CHUNK REF SHA')
def disable(self):
pass
def load_manifest(self, sb):
repo_path = sb.get_git_directory_name(sb.root_repository_url)
location = os.path.join(repo_path, 'ref-manifest')
return morphlib.refmanifest.RefManifest.load_from_file(location)
def update_ref(self, args):
"""Update a ref in the manifest.
Command line argument:
* `CHUNK` is the chunk to update the ref for.
* `REF` is the ref you wish to update.
* `SHA` is the new SHA1 of the ref.
This updates a ref in the ref-manifest file in the root
repository of the current system branch.
"""
if len(args) < 3:
raise morphlib.Error('update-ref takes exactly 3 arguments')
chunk_name = args[0]
ref = args[1]
sha = args[2]
sb = morphlib.sysbranchdir.open_from_within('.')
ref_manifest = self.load_manifest(sb)
ref_manifest.set_chunk_ref(chunk_name, ref, sha)
self.app.status(msg='Set ref %s to %s in %s' % (ref, sha, chunk_name))
ref_manifest.save_to_file(location)
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