Updates since v1.7.0
--------------------
+ * "git grep" learned "--no-index" option, to search inside contents that
+ are not managed by git.
+
Fixes since v1.7.0
------------------
---
exec >/var/tmp/1
echo O=$(git describe)
-O=v1.7.0
+O=v1.7.0-36-gfaa3b47
git shortlog --no-merges ^maint $O..