$ git clone -n https://gitee.com/yan1hcdc/system-rpm-config.git /var/lib/mock/dist-an23.3-build-430578-73048/root/chroot_tmpdir/scmroot/system-rpm-config
Cloning into '/var/lib/mock/dist-an23.3-build-430578-73048/root/chroot_tmpdir/scmroot/system-rpm-config'...
$ git fetch origin c8c92f07dafccdf790e314d24d28af0921fff6c0:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/system-rpm-config
 * [new ref]         c8c92f07dafccdf790e314d24d28af0921fff6c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8c92f0 add support for RISC-V build