$ git clone -n https://gitee.com/fundawang/qemu.git /var/lib/mock/dist-an23-build-351467-70864/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-351467-70864/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 0070aeab5485c51109e67e9d69b730b5d4cdf230:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/qemu
 * [new ref]         0070aeab5485c51109e67e9d69b730b5d4cdf230 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0070aea 7.2.9