$ git clone -n https://src.fedoraproject.org/rpms/itinerary.git /var/lib/mock/eln-build-side-115125-61061865-6588366/root/chroot_tmpdir/scmroot/itinerary
Cloning into '/var/lib/mock/eln-build-side-115125-61061865-6588366/root/chroot_tmpdir/scmroot/itinerary'...
$ git fetch origin 1afb249d58638acd202de3c28c633df98e411d7a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/itinerary
 * [new ref]         1afb249d58638acd202de3c28c633df98e411d7a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1afb249 25.07.80