$ git clone -n https://gitee.com/lizhao2025/rrdtool.git /var/lib/mock/dist-an23-build-500876-74764/root/chroot_tmpdir/scmroot/rrdtool
Cloning into '/var/lib/mock/dist-an23-build-500876-74764/root/chroot_tmpdir/scmroot/rrdtool'...
$ git fetch origin 4ba5d3e9c01b51e2ea6ab04baf8e0b97af8c3179:KOJI_FETCH_HEAD
From https://gitee.com/lizhao2025/rrdtool
 * [new ref]         4ba5d3e9c01b51e2ea6ab04baf8e0b97af8c3179 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ba5d3e Update code from upstream