$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23-build-451028-73471/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-451028-73471/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 1cbdefc2a7ecc58165e0e233dcdc479d211081d3:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         1cbdefc2a7ecc58165e0e233dcdc479d211081d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1cbdefc Sync upstream changes