anchor.diff:  , highlightSupport ? fullBuild
   , ApplicationServices
   # test dependencies
  +, runCommand
   , unzip
   , which
   , sqlite
  
positive.code:       platforms = platforms.unix;
      };
    };
  in
    self.overridePythonAttrs (origAttrs: {
      passthru = origAttrs.passthru // rec {
  
negative.code:       sourceRoot = "${pname}-${version}/rust";
      } else null;
      cargoRoot = if rustSupport then "rust" else null;
  
      propagatedBuildInputs = lib.optional re2Support fb-re2
        ++ lib.optional gitSupport pygit2
  