$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23-build-450846-73466/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-450846-73466/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 9a45d6859fb41d342005a94f7c0c5b66c8d202c7:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         9a45d6859fb41d342005a94f7c0c5b66c8d202c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a45d68 Sync upstream changes