anchor.diff:  
           echo "Linting bash scripts..."
           ${shellcheck}/bin/shellcheck test/with_tmp_db
  +
  +        echo "Linting workflows..."
  +        ${actionlint}/bin/actionlint
         '';
   
   in
  
positive.code:     checkedShellScript
        {
          name = "postgrest-lint";
          docs = "Lint all Haskell files and bash scripts.";
          inRootDir = true;
        }
        ''
  
negative.code: { actionlint
  , black
  , buildToolbox
  , checkedShellScript
  , git
  