Remove outdated comment from README; fix lint

README.md

@@ -184,12 +184,6 @@ If you're using git, it may be helpful to only run hlint on changed files. This
 { git diff --diff-filter=d --name-only $(git merge-base HEAD origin/master) -- "***.hs" && git ls-files -o --exclude-standard -- "***.hs"; } | xargs hlint
 ```
 
-Because hlint's `--refactor` option only works when you pass a single file, this approach is also helpful to enable refactoring many files in a single command:
-
-```bash
-{ git diff --diff-filter=d --name-only $(git merge-base HEAD origin/master) -- "***.hs" && git ls-files -o --exclude-standard -- "***.hs"; } | xargs -I file hlint file --refactor --refactor-options="--inplace --step"
-```
-
 ### Configuration
 
 #### Why doesn't HLint know the fixity for my custom !@%$ operator?

src/HLint.hs

@@ -222,7 +222,7 @@ handleRefactoring ideas files cmd@CmdMain{..} = do
             exitCode <- runRefactoring path file f enabledExtensions disabledExtensions cmdRefactorOptions
 
             case exitCode of
-              ExitSuccess   -> return ()
+              ExitSuccess   -> pure ()
               ExitFailure _ -> exitWith exitCode
 
 handleReporting :: [Idea] -> Cmd -> IO ()