anchor.diff:  , highlightSupport ? fullBuild
   , ApplicationServices
   # test dependencies
  +, runCommand
   , unzip
   , which
   , sqlite
  
positive.code:         --zsh contrib/zsh_completion
      '';
  
      passthru.tests = {};
  
      meta = with lib; {
        description = "A fast, lightweight SCM system for very large distributed projects";
  
negative.code: 
      makeFlags = [ "PREFIX=$(out)" ]
        ++ lib.optional rustSupport "PURE=--rust";
  
      postInstall = (lib.optionalString guiSupport ''
        mkdir -p $out/etc/mercurial
  