$ git clone -n https://gitee.com/src-opencloudos-rpms/rust-bootupd.git /var/lib/mock/dist-oc9-build-51565-14595/root/chroot_tmpdir/scmroot/rust-bootupd
Cloning into '/var/lib/mock/dist-oc9-build-51565-14595/root/chroot_tmpdir/scmroot/rust-bootupd'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rust-bootupd
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df294f8 import rust-bootupd-0.2.8-3.tl4