repo/main: add module docstrings
This should help people get some bearings in the codebase.
Change-Id: I951238fe617a3ecb04a47ead3809ec72c8fbf5a1
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/231232
Reviewed-by: David Pursehouse <dpursehouse@collab.net>
Tested-by: Mike Frysinger <vapier@google.com>
diff --git a/main.py b/main.py
index 5481777..5c546e8 100755
--- a/main.py
+++ b/main.py
@@ -15,6 +15,12 @@
# See the License for the specific language governing permissions and
# limitations under the License.
+"""The repo tool.
+
+People shouldn't run this directly; instead, they should use the `repo` wrapper
+which takes care of execing this entry point.
+"""
+
from __future__ import print_function
import getpass
import imp