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""" The Fossil plugin provides a revision interface for Bcfg2 repos
using fossil."""
from subprocess import Popen, PIPE
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.logger.debug("Initialized Fossil plugin with fossil directory %s"
% self.vcs_path)
def get_revision(self):
"""Read fossil revision information for the Bcfg2 repository."""
try:
data = Popen("env LC_ALL=C fossil info",
shell=True,
cwd=self.vcs_root,
stdout=PIPE).stdout.readlines()
revline = [line.split(': ')[1].strip() for line in data
if line.split(': ')[0].strip() == 'checkout'][-1]
return revline.split(' ')[0]
except IndexError:
msg = "Failed to read fossil info"
self.logger.error(msg)
self.logger.error('Ran command "fossil info" from directory "%s"' %
self.vcs_root)
raise Bcfg2.Server.Plugin.PluginExecutionError(msg)
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