$ git clone -n https://src.fedoraproject.org/rpms/kf6-kio.git /var/lib/mock/f40-build-2544984-61900/root/chroot_tmpdir/scmroot/kf6-kio
Cloning into '/var/lib/mock/f40-build-2544984-61900/root/chroot_tmpdir/scmroot/kf6-kio'...
$ git fetch origin 4354960138a812498e8b4401a6e9b5077bbdcede:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kio
 * [new ref]         4354960138a812498e8b4401a6e9b5077bbdcede -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4354960 Soften switcheroo-control dependency