anchor.diff:      license = self.stdenv.lib.licenses.gpl3;
       platforms = self.ghc.meta.platforms;
       maintainers = with self.stdenv.lib.maintainers; [ simons ];
  -    broken = true;
     };
   })
  
positive.code:   ];
    buildTools = [ bup curl git gnupg1 lsof openssh perl rsync which ];
    configureFlags = "-fAssistant -fProduction";
    preConfigure = ''
      sed -i 's/Extensions: PackageImports/Extensions: PackageImports, ViewPatterns/' git-annex.cabal
      sed -i 's/{-# LANGUAGE TemplateHaskell, MultiParamTypeClasses #-}/{-# LANGUAGE TemplateHaskell, MultiParamTypeClasses, OverloadedStrings #-}/' Assistant/Threads/WebApp.hs
  
      export HOME=$TEMPDIR
    '';
    installPhase = "./Setup install";
    checkPhase = ''
      cp dist/build/git-annex/git-annex git-annex
  
negative.code: 
  cabal.mkDerivation (self: {
    pname = "git-annex";
    version = "5.20141013";
    sha256 = "1p2hvw2x0rm9nhk176mzwisl75xphqxv7mhd43mvwlb3q9f57lnc";
    isLibrary = false;
    isExecutable = true;
    buildDepends = [
  