$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23-build-443029-73188/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-443029-73188/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin c9593248fde8c99e09cd5183d056a8317cc9b4b0:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         c9593248fde8c99e09cd5183d056a8317cc9b4b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c959324 Sync upstream changes