$ git clone -n https://gitee.com/winterddd/libomp.git /var/lib/mock/dist-an23-build-478986-74203/root/chroot_tmpdir/scmroot/libomp
Cloning into '/var/lib/mock/dist-an23-build-478986-74203/root/chroot_tmpdir/scmroot/libomp'...
$ git fetch origin b9f4153e80ef2cc1f1168a4bd8ecca5f9c86182f:KOJI_FETCH_HEAD
From https://gitee.com/winterddd/libomp
 * [new ref]         b9f4153e80ef2cc1f1168a4bd8ecca5f9c86182f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9f4153 exclude file that riscv do not provides