$ git clone -n https://gitee.com/src-opencloudos-rpms/libcgroup.git /var/lib/mock/dist-oc9-build-236951-82338/root/chroot_tmpdir/scmroot/libcgroup
Cloning into '/var/lib/mock/dist-oc9-build-236951-82338/root/chroot_tmpdir/scmroot/libcgroup'...
$ git fetch origin 023821d724d1d3fa77fc0de1aeaca24b2bd4375d:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libcgroup
 * [new ref]         023821d724d1d3fa77fc0de1aeaca24b2bd4375d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 023821d import libcgroup-3.1.0-5.tl4