$ git clone -n https://src.fedoraproject.org/rpms/kf6-kwidgetsaddons.git /var/lib/mock/f40-build-1761398-24706/root/chroot_tmpdir/scmroot/kf6-kwidgetsaddons
Cloning into '/var/lib/mock/f40-build-1761398-24706/root/chroot_tmpdir/scmroot/kf6-kwidgetsaddons'...
$ git fetch origin e3f69ba879870e8a611b93c8c6313db0e2ffccce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kwidgetsaddons
 * [new ref]         e3f69ba879870e8a611b93c8c6313db0e2ffccce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3f69ba 6.4.1