$ git clone -n https://gitee.com/opencloudos-stream/rustup.git /var/lib/mock/dist-oc9-epol-build-83818-57243/root/chroot_tmpdir/scmroot/rustup
Cloning into '/var/lib/mock/dist-oc9-epol-build-83818-57243/root/chroot_tmpdir/scmroot/rustup'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rustup
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f89b079 !5 add loongarch64 to ExcludeArch Merge pull request !5 from dpd/master