$ git clone -n https://src.fedoraproject.org/rpms/kf6-kdesu.git /var/lib/mock/f40-build-2218592-52607/root/chroot_tmpdir/scmroot/kf6-kdesu
Cloning into '/var/lib/mock/f40-build-2218592-52607/root/chroot_tmpdir/scmroot/kf6-kdesu'...
$ git fetch origin 5fb3fcf04ea7a778e39659fdcb483d901f6598eb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kdesu
 * [new ref]         5fb3fcf04ea7a778e39659fdcb483d901f6598eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5fb3fcf add doc package with QCH API Docs