updates usages of installHLSBin across files

app/ghcup/BrickMain.hs

@@ -457,7 +457,7 @@ install' _ (_, ListResult {..}) = do
           liftE $ upgradeGHCup Nothing False $> vi
         HLS   -> do
           let vi = getVersionInfo lVer HLS dls
-          liftE $ installHLSBin lVer $> vi
+          liftE $ installHLSBin lVer Nothing $> vi
         Stack -> do
           let vi = getVersionInfo lVer Stack dls
           liftE $ installStackBin lVer $> vi

app/ghcup/Main.hs

@@ -1675,17 +1675,10 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                           pure $ ExitFailure 4
 
           let installHLS InstallOptions{..} =
-                (case isolateDir of
+                 (case instBindist of
-                  Just isoDir -> runInstTool instPlatform $ do
-                         (v, vi) <- liftE $ fromVersion instVer HLS
-                         let hlsVersion = (_tvVersion v)
-                         liftE $ installHLSBinIsolated isoDir hlsVersion
-                         pure vi
-                  Nothing ->
-                    case instBindist of
                    Nothing -> runInstTool instPlatform $ do
                      (v, vi) <- liftE $ fromVersion instVer HLS
-                         liftE $ installHLSBin (_tvVersion v)
+                     liftE $ installHLSBin (_tvVersion v) isolateDir
                      pure vi
                    Just uri -> do
                      s' <- appState
@@ -1694,6 +1687,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                        liftE $ installHLSBindist
                            (DownloadInfo uri Nothing "")
                            (_tvVersion v)
+                           isolateDir
                        pure vi
                   )
                   >>= \case

lib/GHCup.hs

@@ -689,6 +689,7 @@ installHLSBin :: ( MonadMask m
                  , MonadFail m
                  )
               => Version
+              -> Maybe FilePath
               -> Excepts
                    '[ AlreadyInstalled
                     , CopyError
@@ -704,9 +705,9 @@ installHLSBin :: ( MonadMask m
                     ]
                    m
                    ()
-installHLSBin ver = do
+installHLSBin ver isoFilepath = do
   dlinfo <- liftE $ getDownloadInfo HLS ver
-  installHLSBindist dlinfo ver
+  installHLSBindist dlinfo ver isoFilepath
 
 
 -- | Installs stack into @~\/.ghcup\/bin/stack-\<ver\>@ and