$ git clone -n https://src.fedoraproject.org/rpms/kf5-kfilemetadata.git /var/lib/mock/f40-build-2146534-50889/root/chroot_tmpdir/scmroot/kf5-kfilemetadata
Cloning into '/var/lib/mock/f40-build-2146534-50889/root/chroot_tmpdir/scmroot/kf5-kfilemetadata'...
$ git fetch origin 615bb1f95dbaddb77f34da29153f4c656245047e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kfilemetadata
 * [new ref]         615bb1f95dbaddb77f34da29153f4c656245047e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 615bb1f 5.113.0