* Fix inaccurate error message when archive's git hash is not an
ancestor of git repo's git hash.
* Detect and bomb out on vendor-specific `3.0 (quilt)' patch series.
* Fix inaccurate error message when archive's git hash is not an
ancestor of git repo's git hash.
* Detect and bomb out on vendor-specific `3.0 (quilt)' patch series.