$ git clone -n https://src.fedoraproject.org/rpms/kf6-kfilemetadata.git /var/lib/mock/f40-build-2405235-60558/root/chroot_tmpdir/scmroot/kf6-kfilemetadata
Cloning into '/var/lib/mock/f40-build-2405235-60558/root/chroot_tmpdir/scmroot/kf6-kfilemetadata'...
$ git fetch origin f7e4831b0bc8d18db4023e3262ffe88245367a8b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kfilemetadata
 * [new ref]         f7e4831b0bc8d18db4023e3262ffe88245367a8b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f7e4831 5.249.0