$ git clone -n https://src.fedoraproject.org/rpms/itinerary.git /var/lib/mock/f40-build-2192614-51471/root/chroot_tmpdir/scmroot/itinerary
Cloning into '/var/lib/mock/f40-build-2192614-51471/root/chroot_tmpdir/scmroot/itinerary'...
$ git fetch origin ade7e351a9bafd1626f3686466062fb8e853c8e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/itinerary
 * [new ref]         ade7e351a9bafd1626f3686466062fb8e853c8e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ade7e35 24.01.85