$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23-build-547798-87716/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-547798-87716/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 99d77bc710c86f550ae8cd6ee7e3f15ca5bcd6f5:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         99d77bc710c86f550ae8cd6ee7e3f15ca5bcd6f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99d77bc Sync upstream changes