$ git clone -n https://gitee.com/opencloudos-stream/rustup.git /var/lib/mock/dist-oc9-epol-build-81939-56715/root/chroot_tmpdir/scmroot/rustup
Cloning into '/var/lib/mock/dist-oc9-epol-build-81939-56715/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 ff259a2 !3 [IADN79]:Rebuild for rust-toolset in opencloudos-stream Merge pull request !3 from ocs-bot/master