anchor.diff:      ensureDir $out/bin
       for i in RoR rorconfig RoRViewer; do
         echo '#! ${stdenv.shell}' >> "$out/bin/$i"
  +      if [ "$i" = "rorconfig" ]; then
  +        echo "[ -d \"\$HOME/.rigsofrods\" ] && cp -r '$out/share/rigsofrods/build-dirs/bin/skeleton' \"\$HOME/.rigsofrods\"" >> "$out/bin/$i"
  +        echo "chmod u+w -R \"\$HOME/.rigsofrods\"" >> "$out/bin/$i"
  +      fi
         echo "\"$out/share/rigsofrods/build-dir/bin/$i\"" >> "$out/bin/$i"
         chmod a+x "$out/bin/$i"
       done
  
positive.code: 
    # patches = [ ./wx.patch ];
  
    buildInputs = [ wxGTK29 freeimage cmake zziplib mesa boost pkgconfig
      libuuid lua5 openal ogre ois curl gtk mygui unzip angelscript ];
  
    meta = {
  
negative.code: { fetchsvn, fetchurl, stdenv, wxGTK290, freeimage, cmake, zziplib, mesa, boost, 
    pkgconfig, libuuid, lua5, openal, ogre, ois, curl, gtk, pixman, mygui, unzip,
    angelscript
    }:
  