$ git clone -n https://gitee.com/src-opencloudos-rpms/libcgroup.git /var/lib/mock/dist-oc9-build-128013-77104/root/chroot_tmpdir/scmroot/libcgroup
Cloning into '/var/lib/mock/dist-oc9-build-128013-77104/root/chroot_tmpdir/scmroot/libcgroup'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libcgroup
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5321f2 import libcgroup-3.1.0-3.tl4