def do_update(self, args):
"""Update the current package to the latest version.
"""
if self.checkout is not None:
vcs = VCS(self.checkout)
if vcs.inspect(checkout=False, update=True):
vcs.install()
self.session.need_reconfigure()
else:
raise InstallationError(
u"No repository is defined for the working environment.")
return False
def prepare(checkout):
repository = VCS(checkout)
repository.inspect(update=update)
return repository