$ git clone -n https://src.fedoraproject.org/rpms/kf6-kcmutils.git /var/lib/mock/f40-build-744330-111607/root/chroot_tmpdir/scmroot/kf6-kcmutils
Cloning into '/var/lib/mock/f40-build-744330-111607/root/chroot_tmpdir/scmroot/kf6-kcmutils'...
$ git fetch origin 9753b3e814fdc8b3a39d00f7c0f2b23438e462f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kcmutils
 * [new ref]         9753b3e814fdc8b3a39d00f7c0f2b23438e462f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9753b3e 5.245.0