$ git clone -n https://gitee.com/yan1hcdc/system-rpm-config.git /var/lib/mock/dist-an8.10-build-470797-74003/root/chroot_tmpdir/scmroot/system-rpm-config
Cloning into '/var/lib/mock/dist-an8.10-build-470797-74003/root/chroot_tmpdir/scmroot/system-rpm-config'...
$ git fetch origin 2035c2b66a55a8ed8776f136d351ffe62739cab9:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/system-rpm-config
 * [new ref]         2035c2b66a55a8ed8776f136d351ffe62739cab9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2035c2b Add RISC-V rva23 options