$ git clone -n https://src.fedoraproject.org/rpms/alligator.git /var/lib/mock/f40-build-2054543-49105/root/chroot_tmpdir/scmroot/alligator
Cloning into '/var/lib/mock/f40-build-2054543-49105/root/chroot_tmpdir/scmroot/alligator'...
$ git fetch origin f87ae30e8084842a55a6d0a3579b24b124be2fb7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/alligator
 * [new ref]         f87ae30e8084842a55a6d0a3579b24b124be2fb7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f87ae30 24.01.80