$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23-build-540778-85026/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-540778-85026/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin f1cd25248fb35c1622ed132b711b1918fdf37fc6:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         f1cd25248fb35c1622ed132b711b1918fdf37fc6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f1cd252 Sync upstream changes