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""" The Svn plugin provides a revision interface for Bcfg2 repos using
svn. """
import pipes
from subprocess import Popen, PIPE
import Bcfg2.Server.Plugin
class Svn(Bcfg2.Server.Plugin.Plugin,
Bcfg2.Server.Plugin.Version):
""" The Svn plugin provides a revision interface for Bcfg2 repos
using svn. """
__author__ = 'bcfg-dev@mcs.anl.gov'
__vcs_metadata_path__ = ".svn"
def __init__(self, core, datastore):
Bcfg2.Server.Plugin.Plugin.__init__(self, core, datastore)
Bcfg2.Server.Plugin.Version.__init__(self, datastore)
self.logger.debug("Initialized svn plugin with svn directory %s" %
self.vcs_path)
def get_revision(self):
"""Read svn revision information for the Bcfg2 repository."""
try:
data = Popen(("env LC_ALL=C svn info %s" %
pipes.quote(self.datastore)), shell=True,
stdout=PIPE).communicate()[0].split('\n')
return [line.split(': ')[1] for line in data \
if line[:9] == 'Revision:'][-1]
except IndexError:
msg = "Failed to read svn info"
self.logger.error(msg)
self.logger.error('Ran command "svn info %s"' % self.datastore)
raise Bcfg2.Server.Plugin.PluginExecutionError(msg)
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