$ git clone -n https://gitee.com/src-opencloudos-rpms/cargo2rpm.git /var/lib/mock/dist-oc9-build-59027-16463/root/chroot_tmpdir/scmroot/cargo2rpm
Cloning into '/var/lib/mock/dist-oc9-build-59027-16463/root/chroot_tmpdir/scmroot/cargo2rpm'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/cargo2rpm
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5e5d82 import cargo2rpm-0.1.5-3.tl4