$ git clone -n https://src.fedoraproject.org/rpms/kf6-kitemmodels.git /var/lib/mock/f40-build-2399337-60549/root/chroot_tmpdir/scmroot/kf6-kitemmodels
Cloning into '/var/lib/mock/f40-build-2399337-60549/root/chroot_tmpdir/scmroot/kf6-kitemmodels'...
$ git fetch origin c3108953ed48cfc10f9c1b0395deca411d93007b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kitemmodels
 * [new ref]         c3108953ed48cfc10f9c1b0395deca411d93007b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c310895 5.249.0