anchor.diff:          (test -n "$executable" && chmod +x "$n") || true
         '';
   
  -
     /*
      * Writes a text file to nix store with no optional parameters available.
      *
  
positive.code:    *
    */
    writeTextDir = name: text: writeTextFile {inherit name text; destination = "/${name}";};
    /*
     * Writes a text file to /nix/store/<store path> and marks the file as executable.
     *
  
negative.code:    *
    */
    writeText = name: text: writeTextFile {inherit name text;};
  
    /*
     * Writes a text file to nix store in a specific directory with no
     * optional parameters available. Name passed is the destination.
  