$ git clone -n https://src.fedoraproject.org/rpms/kmetronome.git /var/lib/mock/f40-build-2264415-54562/root/chroot_tmpdir/scmroot/kmetronome
Cloning into '/var/lib/mock/f40-build-2264415-54562/root/chroot_tmpdir/scmroot/kmetronome'...
$ git fetch origin c0cd9307e86c277b9ad11616016948928053d9a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmetronome
 * [new ref]         c0cd9307e86c277b9ad11616016948928053d9a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0cd930 Update to 1.4.0