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""" The Fossil plugin provides a revision interface for Bcfg2 repos
using fossil."""
from Bcfg2.Utils import Executor
import Bcfg2.Server.Plugin
class Fossil(Bcfg2.Server.Plugin.Version):
""" The Fossil plugin provides a revision interface for Bcfg2
repos using fossil. """
__author__ = 'bcfg-dev@mcs.anl.gov'
__vcs_metadata_path__ = "_FOSSIL_"
def __init__(self, core, datastore):
Bcfg2.Server.Plugin.Version.__init__(self, core, datastore)
self.cmd = Executor()
self.logger.debug("Initialized Fossil plugin with fossil directory %s"
% self.vcs_path)
def get_revision(self):
"""Read fossil revision information for the Bcfg2 repository."""
result = self.cmd.run(["env LC_ALL=C", "fossil", "info"],
shell=True, cwd=Bcfg2.Options.setup.vcs_root)
try:
revision = None
for line in result.stdout.splitlines():
ldata = line.split(': ')
if ldata[0].strip() == 'checkout':
revision = line[1].strip().split(' ')[0]
return revision
except (IndexError, AttributeError):
msg = "Failed to read revision from Fossil: %s" % result.error
self.logger.error(msg)
raise Bcfg2.Server.Plugin.PluginExecutionError(msg)
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