$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23-build-549289-88392/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-549289-88392/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 40a385eff8847b7ad4e60b628dc636907c9c4dff:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         40a385eff8847b7ad4e60b628dc636907c9c4dff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40a385e Sync upstream changes