$ git clone -n https://src.fedoraproject.org/rpms/bti.git /var/lib/mock/f41-build-side-1-2656023-28431/root/chroot_tmpdir/scmroot/bti
Cloning into '/var/lib/mock/f41-build-side-1-2656023-28431/root/chroot_tmpdir/scmroot/bti'...
$ git fetch origin 4366cb8a62038a29d53ed7eaaa0b39ae24c22e06:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bti
 * [new ref]         4366cb8a62038a29d53ed7eaaa0b39ae24c22e06 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4366cb8 Orphaned for 6+ weeks