anchor.diff:  { stdenv, pkgconfig, lxc, buildGoPackage, fetchurl
   , makeWrapper, acl, rsync, gnutar, xz, btrfs-progs, gzip, dnsmasq
  -, squashfsTools, iproute, iptables, ebtables, libcap, dqlite
  -, sqlite-replication
  +, squashfsTools, iproute, iptables, ebtables, libcap, libco-canonical, dqlite
  +, raft-canonical, sqlite-replication
   , writeShellScriptBin, apparmor-profiles, apparmor-parser
   , criu
   , bash
  
positive.code:   '';
  
    nativeBuildInputs = [ pkgconfig makeWrapper ];
    buildInputs = [ lxc acl libcap dqlite sqlite-replication ];
  
    meta = with stdenv.lib; {
      description = "Daemon based on liblxc offering a REST API to manage containers";
      homepage = https://linuxcontainers.org/lxd/;
      license = licenses.asl20;
      maintainers = with maintainers; [ fpletz ];
      platforms = platforms.linux;
    };
  }
  
negative.code: 
  buildGoPackage rec {
    pname = "lxd";
    version = "3.18";
  
    goPackagePath = "github.com/lxc/lxd";
  
    src = fetchurl {
      url = "https://github.com/lxc/lxd/releases/download/${pname}-${version}/${pname}-${version}.tar.gz";
      sha256 = "1p8g2gbwgn3kln5rxddpc2fxk8bvf026wjiqip2b0vvpi7h3955h";
    };
  
    preBuild = ''
      # unpack vendor
      pushd go/src/github.com/lxc/lxd
      rm _dist/src/github.com/lxc/lxd
      cp -r _dist/src/* ../../..
      popd
    '';
  
  