$ git clone -n https://src.fedoraproject.org/rpms/libupnp.git /var/lib/mock/f39-build-1466036-33640/root/chroot_tmpdir/scmroot/libupnp
Cloning into '/var/lib/mock/f39-build-1466036-33640/root/chroot_tmpdir/scmroot/libupnp'...
$ git fetch origin ea4cdb22aa294a00af3736b61435a097e1fdcf02:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libupnp
 * [new ref]         ea4cdb22aa294a00af3736b61435a097e1fdcf02 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea4cdb2 1.14.18