$ git clone -n https://gitee.com/opencloudos-stream/rustup.git /var/lib/mock/dist-ocs23-build-243306-22757/root/chroot_tmpdir/scmroot/rustup
Cloning into '/var/lib/mock/dist-ocs23-build-243306-22757/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 0c5459e Rebuilt for loongarch release