Revert "Support scanning multiple git repositories in one invocation." (

Yelp#170)

This reverts commit 8aa90ee.

Temporarily revert the offending commit to prevent scan missing on old git version. The upstream issue is Yelp#220

After this quick revert, we lose the feature of scanning multiple repos at once. But it should block some of our user from using detect-secrets with old version git.

We should investigate a better fix later.

detect_secrets/core/baseline.py

@@ -3,11 +3,9 @@
 import re
 import subprocess
 
-from detect_secrets import util
 from detect_secrets.core.log import get_logger
 from detect_secrets.core.secrets_collection import SecretsCollection
 
-
 log = get_logger(format_string='%(message)s')
 
 
@@ -285,8 +283,8 @@ def _get_git_tracked_files(rootdir='.'):
             git_files = subprocess.check_output(
                 [
                     'git',
-                    '-C', rootdir,
                     'ls-files',
+                    rootdir,
                 ],
                 stderr=fnull,
             )