$ git clone -n https://src.fedoraproject.org/rpms/jorbis.git /var/lib/mock/f41-build-785998-13590/root/chroot_tmpdir/scmroot/jorbis
Cloning into '/var/lib/mock/f41-build-785998-13590/root/chroot_tmpdir/scmroot/jorbis'...
$ git fetch origin a03eeaae211ea4ebb6212e32bf1b54b76e6fae8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jorbis
 * [new ref]         a03eeaae211ea4ebb6212e32bf1b54b76e6fae8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a03eeaa Eliminate use of obsolete %patchN syntax (#2283636)