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/repo b/repo
index 75d2769..8ed147d 100755
--- a/repo
+++ b/repo
@@ -1,6 +1,13 @@
#!/usr/bin/env python
# -*- coding:utf-8 -*-
+"""Repo launcher.
+
+This is a standalone tool that people may copy to anywhere in their system.
+It is used to get an initial repo client checkout, and after that it runs the
+copy of repo in the checkout.
+"""
+
from __future__ import print_function
# repo default configuration