$ git clone -n https://gitee.com/mgb01105731/libcgroup_3.git /var/lib/mock/dist-an23-build-486343-74383/root/chroot_tmpdir/scmroot/libcgroup_3
Cloning into '/var/lib/mock/dist-an23-build-486343-74383/root/chroot_tmpdir/scmroot/libcgroup_3'...
$ git fetch origin f4c6c26c0637765734f86f8e72d8071839617f28:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libcgroup_3
 * [new ref]         f4c6c26c0637765734f86f8e72d8071839617f28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f4c6c26 update to 3.1.0