$ git clone -n https://src.fedoraproject.org/rpms/klickety.git /var/lib/mock/f40-build-2199838-51756/root/chroot_tmpdir/scmroot/klickety
Cloning into '/var/lib/mock/f40-build-2199838-51756/root/chroot_tmpdir/scmroot/klickety'...
$ git fetch origin 2f98d98d1aae581cc823d031ac6f7fae1c05ba50:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/klickety
 * [new ref]         2f98d98d1aae581cc823d031ac6f7fae1c05ba50 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f98d98 24.01.85