$ git clone -n https://gitee.com/wenyuzifang/gd.git /var/lib/mock/dist-an23-build-469595-74027/root/chroot_tmpdir/scmroot/gd
Cloning into '/var/lib/mock/dist-an23-build-469595-74027/root/chroot_tmpdir/scmroot/gd'...
$ git fetch origin 223c2504630da0bba0ade7d54daa81c22869fb3e:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/gd
 * [new ref]         223c2504630da0bba0ade7d54daa81c22869fb3e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 223c250 Update code from upstream