Use subparserInline

Author: phadej

haskell-ci.cabal

@@ -158,7 +158,7 @@ library haskell-ci-internal
     , ini                            ^>=0.4.1
     , lattices                       ^>=2
     , network-uri                    ^>=2.6.1.0
-    , optparse-applicative           ^>=0.16
+    , optparse-applicative           ^>=0.16.1.0
     , temporary                      ^>=1.3
     , unordered-containers           ^>=0.2.10.0
     , zinza                          ^>=0.2

src/HaskellCI.hs

@@ -77,7 +77,7 @@ import qualified HaskellCI.Bash.Template as Bash
 main :: IO ()
 main = do
     argv0 <- getArgs
-    (cmd, opts) <- O.execParser cliParserInfo
+    (cmd, opts) <- O.customExecParser (O.prefs O.subparserInline) cliParserInfo
     case cmd of
         CommandListGHC -> do
             putStrLn $ "Supported GHC versions:"

src/HaskellCI/Cli.hs

@@ -143,7 +143,7 @@ parseOptions argv = case res of
         (help, _) -> hPutStrLn stderr help >> exitFailure
     O.CompletionInvoked _ -> exitFailure -- unexpected
   where
-    res = O.execParserPure (O.prefs mempty) cliParserInfo argv
+    res = O.execParserPure (O.prefs O.subparserInline) cliParserInfo argv
 
     fromCmd :: Command -> IO FilePath
     fromCmd (CommandTravis fp) = return fp