Add changelog entry and help message for --public-only

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.1.2.0
+
+* Add support for module-level Haddock attribute `Visibility: Public` in order to filter modules.
+  The command-line argument `--public-only` can be combined with `--modules-ignore-list`.
 ## 0.1.1.0
 
 * Add support for user-supplied ignore lists of modules ([#18](https://github.com/Kleidukos/print-api/pull/18))

src/PrintApi/CLI/Types.hs

@@ -40,7 +40,7 @@ parseOptions =
       (long "package-name" <> short 'p' <> metavar "PACKAGE NAME" <> help "Name of the package")
     <*> optional
       (option osPathOption (long "modules-ignore-list" <> metavar "FILE" <> help "Read the file for a list of ignored modules (one per line)"))
-    <*> switch (long "public-only")
+    <*> switch (long "public-only" <> help "Process modules with `Visibility: Public` set in their Haddock attributes.")
 
 withInfo :: Parser a -> String -> ParserInfo a
 withInfo opts desc =