$ git clone -n https://src.fedoraproject.org/rpms/ganglia.git /var/lib/mock/f40-build-2590426-62619/root/chroot_tmpdir/scmroot/ganglia
Cloning into '/var/lib/mock/f40-build-2590426-62619/root/chroot_tmpdir/scmroot/ganglia'...
$ git fetch origin 5d847ad8fbd2a7f79d12000b7cce7d3ea991d919:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ganglia
 * [new ref]         5d847ad8fbd2a7f79d12000b7cce7d3ea991d919 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d847ad Bump release