def checkout_test_repository(self, revision, url, directory):
git = None
if not self._filesystem.exists(directory):
_log.info('Cloning %s into %s...' % (url, directory))
Git.clone(url, directory, self._host.executive)
git = self.git(directory)
elif self._options.fetch is True:
git = self.git(directory)
_log.info('Fetching %s...' % url)
git.fetch()
else:
git = self.git(directory)
_log.info('Checking out revision ' + revision)
git.checkout(revision, not self._options.verbose)
