$ git clone -n https://gitee.com/src-opencloudos-rpms/bash-completion.git /var/lib/mock/dist-oc9-build-40691-14589/root/chroot_tmpdir/scmroot/bash-completion
Cloning into '/var/lib/mock/dist-oc9-build-40691-14589/root/chroot_tmpdir/scmroot/bash-completion'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/bash-completion
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b13ec7a import bash-completion-2.11-3.tl4