$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23-build-524602-77534/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-524602-77534/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin be9feab5d1f0aff9aa89f652ec0448e31e731632:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         be9feab5d1f0aff9aa89f652ec0448e31e731632 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be9feab Sync upstream changes