$ git clone -n https://gitee.com/src-opencloudos-rpms/rust-toolset.git /var/lib/mock/dist-oc9-build-44985-14591/root/chroot_tmpdir/scmroot/rust-toolset
Cloning into '/var/lib/mock/dist-oc9-build-44985-14591/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 297a679 import rust-toolset-1.0-2.tl4