$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23-build-467736-74027/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-467736-74027/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 0bafa5c1491cf2ae1bb6582fe552927287fdea8e:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         0bafa5c1491cf2ae1bb6582fe552927287fdea8e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0bafa5c Sync upstream changes