$ git clone -n https://gitee.com/src-opencloudos-rpms/cargo-c.git /var/lib/mock/dist-oc9-build-52965-14748/root/chroot_tmpdir/scmroot/cargo-c
Cloning into '/var/lib/mock/dist-oc9-build-52965-14748/root/chroot_tmpdir/scmroot/cargo-c'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/cargo-c
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43dbfc9 import cargo-c-0.9.18-3.tl4