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""" The Bzr plugin provides a revision interface for Bcfg2 repos using
bazaar. """
import Bcfg2.Server.Plugin
from bzrlib.workingtree import WorkingTree
from bzrlib import errors
class Bzr(Bcfg2.Server.Plugin.Version):
""" The Bzr plugin provides a revision interface for Bcfg2 repos
using bazaar. """
__author__ = 'bcfg-dev@mcs.anl.gov'
def __init__(self, core, datastore):
Bcfg2.Server.Plugin.Version.__init__(self, core, datastore)
self.logger.debug("Initialized Bazaar plugin with directory %s at "
"revision = %s" % (Bcfg2.Options.setup.vcs_root,
self.get_revision()))
def get_revision(self):
"""Read Bazaar revision information for the Bcfg2 repository."""
try:
working_tree = WorkingTree.open(Bcfg2.Options.setup.vcs_root)
revision = str(working_tree.branch.revno())
if (working_tree.has_changes(working_tree.basis_tree()) or
working_tree.unknowns()):
revision += "+"
except errors.NotBranchError:
msg = "Failed to read Bazaar branch"
self.logger.error(msg)
raise Bcfg2.Server.Plugin.PluginExecutionError(msg)
return revision
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