$ git clone -n https://src.fedoraproject.org/rpms/ddnet.git /var/lib/mock/f42-build-side-1-3537129-46559/root/chroot_tmpdir/scmroot/ddnet
Cloning into '/var/lib/mock/f42-build-side-1-3537129-46559/root/chroot_tmpdir/scmroot/ddnet'...
$ git fetch origin d3b9b1f49d946676b095dbe3d86bdecc58bf7b2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ddnet
 * [new ref]         d3b9b1f49d946676b095dbe3d86bdecc58bf7b2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3b9b1f Re-enable s390x architecture