$ git clone -n https://src.fedoraproject.org/rpms/kf6-kguiaddons.git /var/lib/mock/f40-build-774904-127918/root/chroot_tmpdir/scmroot/kf6-kguiaddons
Cloning into '/var/lib/mock/f40-build-774904-127918/root/chroot_tmpdir/scmroot/kf6-kguiaddons'...
$ git fetch origin 3fb944e3dc0d192a8cf708fa8b5dfc6a77e16688:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kguiaddons
 * [new ref]         3fb944e3dc0d192a8cf708fa8b5dfc6a77e16688 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fb944e 5.248.0