$ git clone -n https://gitee.com/fundawang/qemu.git /var/lib/mock/dist-an23-build-295395-65781/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-295395-65781/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin f87df1e5c0b2b46a05207f3efeb580fd59cbcd31:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/qemu
 * [new ref]         f87df1e5c0b2b46a05207f3efeb580fd59cbcd31 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f87df1e 7.2.5