$ git clone -n https://gitee.com/ywyw22/libnftnl /var/lib/mock/dist-an8.6-build-189206-60742/root/chroot_tmpdir/scmroot/libnftnl
Cloning into '/var/lib/mock/dist-an8.6-build-189206-60742/root/chroot_tmpdir/scmroot/libnftnl'...
$ git fetch origin c86332d9c35ffe3cad27e3dbd2949da0895a14c5:KOJI_FETCH_HEAD
From https://gitee.com/ywyw22/libnftnl
 * [new ref]         c86332d9c35ffe3cad27e3dbd2949da0895a14c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c86332d optimise spec file