$ git clone -n https://gitee.com/src-opencloudos-rpms/rust-toolset.git /var/lib/mock/dist-oc9-build-121653-71722/root/chroot_tmpdir/scmroot/rust-toolset
Cloning into '/var/lib/mock/dist-oc9-build-121653-71722/root/chroot_tmpdir/scmroot/rust-toolset'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rust-toolset
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83f052d import rust-toolset-1.70.0-5.tl4