anchor.diff:  
         runHook postInstall
       '';
  -
  -    passthru = {
  -      inherit yarnOfflineCache;
  -    };
     };
   
     discourse = stdenv.mkDerivation {
  
positive.code:     ];
    };
  
    yarnOfflineCache = fetchYarnDeps {
      yarnLock = src + "/app/assets/javascripts/yarn.lock";
      sha256 = "0s8cmy76xh4z9y932bjshmpyr04zn3yn62ld9174lks2j965qkbl";
    };
  
    assets = stdenv.mkDerivation {
      pname = "discourse-assets";
      inherit version src;
  
      nativeBuildInputs = runtimeDeps ++ [
        postgresql
  
negative.code:       export HOME=$NIX_BUILD_TOP/fake_home
  
        # Make yarn install packages from our offline cache, not the registry
        yarn config --offline set yarn-offline-mirror $yarnOfflineCache
  
        # Fixup "resolved"-entries in yarn.lock to match our offline cache
        ${fixup_yarn_lock}/bin/fixup_yarn_lock app/assets/javascripts/yarn.lock
  