$ git clone -n https://src.fedoraproject.org/rpms/kf6-kitemmodels.git /var/lib/mock/f45-build-15088-468/root/chroot_tmpdir/scmroot/kf6-kitemmodels
Cloning into '/var/lib/mock/f45-build-15088-468/root/chroot_tmpdir/scmroot/kf6-kitemmodels'...
$ git fetch origin 2a6ca41a16866e1038874a227d42ae885322a386:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kitemmodels
 * [new ref]         2a6ca41a16866e1038874a227d42ae885322a386 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a6ca41 6.31.0