$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23-build-555676-89402/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-555676-89402/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 07a3332b1cb6e76b0f34d6b70abb3af970f1ac99:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         07a3332b1cb6e76b0f34d6b70abb3af970f1ac99 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07a3332 Sync upstream changes