$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23-build-465075-73941/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-465075-73941/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin ed1c8f4b93cbd5dbe1dc1674b18f9417f8189ac4:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         ed1c8f4b93cbd5dbe1dc1674b18f9417f8189ac4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed1c8f4 Sync upstream changes