anchor.diff:      mv build/resources $prefix/build
       mv build/{settings-default.cfg,openmw.cfg,gamecontrollerdb.txt} $out/etc/openmw
       mv keepers $prefix
  +    mv build/tes3mp-credits.md $prefix/build
  +    mv -f $prefix/keepers/version $prefix/build/resources
   
       for i in tes3mp.sh tes3mp-browser.sh tes3mp-server.sh
       do
  
positive.code: { stdenv, fetchFromGitHub, qtbase, openscenegraph, mygui, bullet, ffmpeg, boost, cmake, SDL2, unshield, openal
  , libXt, writeScriptBin, makeWrapper, symlinkJoin, ncurses, libGL, terra }:
  
  let
    mygui_ = mygui.override {
      inherit stdenv;
    };
    terra_ = symlinkJoin {
      name = "terra";
      paths = [ terra.static terra.dev ];
    };
    TES3MP = fetchFromGitHub {
      owner = "TES3MP";
      repo = "openmw-tes3mp";
      rev = "f61664ff6d521e10db761a550c97c6edce8f0046";
      sha256 = "12h01kafyzq0h1cgf1c8d4mlvlplg5lvcnsc5m5h602r763pzgbb";
    };
    CallFF = fetchFromGitHub {
      owner = "Koncord";
      repo = "CallFF";
      rev = "4aa5a31b7543a8f784852a5a109202b2783e93d9";
      sha256 = "0cf7r8hfh79bsg4p4k1iwhxapyakkvi0hcwwvzg1ln0fqm2yqp57";
    };
    RakNet = fetchFromGitHub {
      owner = "TES3MP";
      repo = "RakNet";
      rev = "9ace90a385f60e0b919bd84964a53fb1d42438ba";
      sha256 = "0mkf5wx23w20fw9cmbiyfs86gmf0r11pdpd8y7qd4k4wl9c7n45q";
    };
    PluginExamples = fetchFromGitHub {
      owner = "TES3MP";
      repo = "PluginExamples";
      rev = "213e72f315a8029eec71437e56de0eaeba5b3670";
      sha256 = "1q0cvz1s0zyq982066wgplnylqbiszz0bmcv2prqv78vq9is1l6b";
    };
  
    fakegit = writeScriptBin "git" ''
      #! ${stdenv.shell}
      if [ "$*" = "rev-list --tags --max-count=1" ] ||
         [ "$*" = "rev-parse HEAD" ]; then
        echo "${TES3MP.rev}"
      else
        exit 1
      fi
    '';
  in stdenv.mkDerivation rec {
    version = "0.6.0";
    name = "tes3mp-${version}";
  
    src = fetchFromGitHub {
      owner = "GrimKriegor";
      repo = "TES3MP-deploy";
      rev = "ac2e862c3b96206d8e0678d422ece30f9f2d0f45";
      sha256 = "0nysr6h7sa1j5ijyd52k6sw052vcdqdx4wjjmmy7p8wh1i0jkvv6";
    };
  
    dontUseCmakeConfigure = true;
  
    nativeBuildInputs = [ cmake makeWrapper fakegit ];
    buildInputs = [ boost ffmpeg qtbase bullet mygui_ openscenegraph SDL2 unshield openal libXt
      ncurses libGL ];
  
    buildPhase = ''
      mkdir dependencies keepers
      cp --no-preserve=mode -r ${TES3MP} code
      mkdir code/.git
      cp --no-preserve=mode -r ${CallFF} dependencies/callff
      cp --no-preserve=mode -r ${RakNet} dependencies/raknet
      cp --no-preserve=mode -r ${PluginExamples} keepers/PluginExamples
      ln -s ${terra_} dependencies/terra
  
      substituteInPlace tes3mp-deploy.sh \
        --replace "-DBUILD_OPENCS=OFF" "-DBUILD_OPENCS=OFF -DCMAKE_INSTALL_PREFIX=$out"
  
negative.code:     wrapProgram $out/bin/tes3mp-server \
        --run "mkdir -p ~/.config/openmw" \
        --run "cd ~/.config/openmw" \
        --run "[ -d CoreScripts ] || cp --no-preserve=mode -r $prefix/keepers/CoreScripts ." \
        --run "[ -f tes3mp-server.cfg ] || echo \"[Plugins] home = \$HOME/.config/openmw/CoreScripts\" > tes3mp-server.cfg"
    '';
  
    meta = with stdenv.lib; {
  