$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23-build-442433-73171/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-442433-73171/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 26f6c7ea10daae1e78f03245a95496c16f7fb858:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         26f6c7ea10daae1e78f03245a95496c16f7fb858 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26f6c7e Sync upstream changes