anchor.diff:      description = "A native multi-model database with flexible data models for documents, graphs, and key-values";
       license = licenses.asl20;
       platforms = [ "x86_64-linux" ];
  -    maintainers = [ maintainers.flosse maintainers.jsoo1 ];
  +    maintainers = with maintainers; [ flosse jsoo1 ];
     };
   }
  
positive.code:   # prevent failing with "cmake-3.13.4/nix-support/setup-hook: line 10: ./3rdParty/rocksdb/RocksDBConfig.cmake.in: No such file or directory"
    dontFixCmake = true;
    NIX_CFLAGS_COMPILE = "-Wno-error";
    preConfigure = "patchShebangs utils";
  
    postPatch = ''
      sed -ie 's!/bin/echo!echo!' 3rdParty/V8/gypfiles/*.gypi
  
negative.code:     # with nixpkgs, it has no sense to check for a version update
      substituteInPlace js/client/client.js --replace "require('@arangodb').checkAvailableVersions();" ""
      substituteInPlace js/server/server.js --replace "require('@arangodb').checkAvailableVersions();" ""
    '';
  
    preConfigure = ''
      patchShebangs utils
    '';
  
    cmakeFlags = [
  