$ git clone -n https://src.fedoraproject.org/rpms/rdopkg.git /var/lib/mock/f40-build-2060496-49160/root/chroot_tmpdir/scmroot/rdopkg
Cloning into '/var/lib/mock/f40-build-2060496-49160/root/chroot_tmpdir/scmroot/rdopkg'...
$ git fetch origin 10e3ec659dcc67e049551ca3b5a5c14aec76fa10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rdopkg
 * [new ref]         10e3ec659dcc67e049551ca3b5a5c14aec76fa10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 10e3ec6 Update to 1.7.0