$ git clone -n https://gitee.com/zhangwenlong01/supermin.git /var/lib/mock/dist-an23-loongarch-build-329309-69181/root/chroot_tmpdir/scmroot/supermin
Cloning into '/var/lib/mock/dist-an23-loongarch-build-329309-69181/root/chroot_tmpdir/scmroot/supermin'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/zhangwenlong01/supermin
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f242eff fix build error for loongarch64