$ git clone -n https://gitee.com/yan1hcdc/libvirt.git /var/lib/mock/dist-an23.3-build-432797-73067/root/chroot_tmpdir/scmroot/libvirt
Cloning into '/var/lib/mock/dist-an23.3-build-432797-73067/root/chroot_tmpdir/scmroot/libvirt'...
$ git fetch origin 99576a5af04bdb9f8e6a541a9f9974cf70b03ddb:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/libvirt
 * [new ref]         99576a5af04bdb9f8e6a541a9f9974cf70b03ddb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99576a5 add support for RISC-V build