$ git clone -n https://src.fedoraproject.org/rpms/kdegames3.git /var/lib/mock/f40-build-2199658-51751/root/chroot_tmpdir/scmroot/kdegames3
Cloning into '/var/lib/mock/f40-build-2199658-51751/root/chroot_tmpdir/scmroot/kdegames3'...
$ git fetch origin 2e7f2c01750d1c371b329855aa0e438c27c7d3cc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdegames3
 * [new ref]         2e7f2c01750d1c371b329855aa0e438c27c7d3cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2e7f2c0 Update description