$ git clone -n https://gitee.com/wenyuzifang/rtkit.git /var/lib/mock/dist-an23-build-466805-73998/root/chroot_tmpdir/scmroot/rtkit
Cloning into '/var/lib/mock/dist-an23-build-466805-73998/root/chroot_tmpdir/scmroot/rtkit'...
$ git fetch origin c48037f4af9513c1b4b47aa8047e6b72461e89e3:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/rtkit
 * [new ref]         c48037f4af9513c1b4b47aa8047e6b72461e89e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c48037f Update code from upstream