$ git clone -n https://src.fedoraproject.org/rpms/kf6-kfilemetadata.git /var/lib/mock/f42-build-side-1-3537140-46559/root/chroot_tmpdir/scmroot/kf6-kfilemetadata
Cloning into '/var/lib/mock/f42-build-side-1-3537140-46559/root/chroot_tmpdir/scmroot/kf6-kfilemetadata'...
$ git fetch origin 55e2c1d5da97d763a5b2b5b12e5269337d46e677:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kfilemetadata
 * [new ref]         55e2c1d5da97d763a5b2b5b12e5269337d46e677 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55e2c1d 6.14.0