$ git clone -n https://src.fedoraproject.org/rpms/kf6-kwidgetsaddons.git /var/lib/mock/f41-build-side-114591-60926047-6585985/root/chroot_tmpdir/scmroot/kf6-kwidgetsaddons
Cloning into '/var/lib/mock/f41-build-side-114591-60926047-6585985/root/chroot_tmpdir/scmroot/kf6-kwidgetsaddons'...
$ git fetch origin 67a9454d9135a4950e09cdc805bc2e69783d3766:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kwidgetsaddons
 * [new ref]         67a9454d9135a4950e09cdc805bc2e69783d3766 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67a9454 6.16.0