Use github.com/haskell/ghcup-metadata

.gitlab/script/ghcup_cross.sh

@@ -5,6 +5,8 @@ set -eux
 . "$( cd "$(dirname "$0")" ; pwd -P )/../ghcup_env"
 
 mkdir -p "$CI_PROJECT_DIR"/.local/bin
+mkdir -p data/
+git clone https://github.com/haskell/ghcup-metadata.git data/metadata
 
 CI_PROJECT_DIR=$(pwd)
 

.gitlab/script/ghcup_git.sh

@@ -5,6 +5,8 @@ set -eux
 . "$( cd "$(dirname "$0")" ; pwd -P )/../ghcup_env"
 
 mkdir -p "$CI_PROJECT_DIR"/.local/bin
+mkdir -p data/
+git clone https://github.com/haskell/ghcup-metadata.git data/metadata
 
 CI_PROJECT_DIR=$(pwd)
 

.gitlab/script/ghcup_hls.sh

@@ -5,6 +5,8 @@ set -eux
 . "$( cd "$(dirname "$0")" ; pwd -P )/../ghcup_env"
 
 mkdir -p "$CI_PROJECT_DIR"/.local/bin
+mkdir -p data/
+git clone https://github.com/haskell/ghcup-metadata.git data/metadata
 
 CI_PROJECT_DIR=$(pwd)
 

.gitlab/script/ghcup_version.sh

@@ -5,6 +5,8 @@ set -eux
 . "$( cd "$(dirname "$0")" ; pwd -P )/../ghcup_env"
 
 mkdir -p "$CI_PROJECT_DIR"/.local/bin
+mkdir -p data/
+git clone https://github.com/haskell/ghcup-metadata.git data/metadata
 
 CI_PROJECT_DIR=$(pwd)
 

.gitlab/script/hlint.sh

@@ -15,5 +15,5 @@ git describe
 ecabal update
 ecabal install -w ghc-${GHC_VERSION} --installdir="$CI_PROJECT_DIR"/.local/bin hlint
 
-hlint -r lib/ test/ 
+hlint -r app/ lib/ test/ 
 

app/ghcup-gen/Main.hs

@@ -1,10 +1,7 @@
 {-# LANGUAGE CPP               #-}
 {-# LANGUAGE DataKinds         #-}
 {-# LANGUAGE DuplicateRecordFields #-}
-{-# LANGUAGE NamedFieldPuns    #-}
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE TypeApplications  #-}
 
 
@@ -17,6 +14,7 @@ import           GHCup.Utils.Dirs
 import           GHCup.Utils.Logger
 import           GHCup.Types.JSON               ( )
 
+import           Control.Exception              ( displayException )
 import           Control.Monad.Trans.Reader     ( runReaderT )
 import           Control.Monad.IO.Class
 import           Data.Char                      ( toLower )
@@ -37,7 +35,7 @@ import           Text.PrettyPrint.HughesPJClass ( prettyShow )
 import qualified Data.Text.IO                  as T
 import qualified Data.Text                     as T
 import qualified Data.ByteString               as B
-import qualified Data.YAML.Aeson               as Y
+import qualified Data.Yaml.Aeson               as Y
 
 
 data Options = Options
@@ -150,8 +148,8 @@ main = do
     ValidateYAMLOpts { vInput = Just (FileInput file) } ->
       B.readFile file >>= valAndExit f
   valAndExit f contents = do
-    (GHCupInfo _ av gt) <- case Y.decode1Strict contents of
+    (GHCupInfo _ av gt) <- case Y.decodeEither' contents of
       Right r -> pure r
-      Left  (_, e) -> die (color Red $ show e)
+      Left  e -> die (color Red $ displayException e)
     f av gt
       >>= exitWith

app/ghcup-gen/Validate.hs

@@ -91,23 +91,23 @@ validate dls _ = do
   checkHasRequiredPlatforms t v tags arch pspecs = do
     let v' = prettyVer v
         arch' = prettyShow arch
-    when (notElem (Linux UnknownLinux) pspecs) $ do
+    when (Linux UnknownLinux `notElem` pspecs) $ do
       lift $ logError $
         "Linux UnknownLinux missing for for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack arch'
       addError
-    when ((notElem Darwin pspecs) && arch == A_64) $ do
+    when ((Darwin `notElem` pspecs) && arch == A_64) $ do
       lift $ logError $ "Darwin missing for for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack arch'
       addError
-    when ((notElem FreeBSD pspecs) && arch == A_64) $ lift $ logWarn $
+    when ((FreeBSD `notElem` pspecs) && arch == A_64) $ lift $ logWarn $
       "FreeBSD missing for for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack arch'
-    when (notElem Windows pspecs && arch == A_64) $ do
+    when (Windows `notElem` pspecs && arch == A_64) $ do
       lift $ logError $ "Windows missing for for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack arch'
       addError
 
     -- alpine needs to be set explicitly, because
     -- we cannot assume that "Linux UnknownLinux" runs on Alpine
     -- (although it could be static)
-    when (notElem (Linux Alpine) pspecs) $
+    when (Linux Alpine `notElem` pspecs) $
       case t of
         GHCup | arch `elem` [A_64, A_32] -> lift (logError $ "Linux Alpine missing for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack (prettyShow arch)) >> addError
         Cabal | v > [vver|2.4.1.0|]
@@ -117,7 +117,7 @@ validate dls _ = do
         _ -> lift $ logWarn $ "Linux Alpine missing for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack (prettyShow arch)
 
   checkUniqueTags tool = do
-    let allTags = join $ fmap _viTags $ M.elems $ availableToolVersions dls tool
+    let allTags = _viTags =<< M.elems (availableToolVersions dls tool)
     let nonUnique =
           fmap fst
             .   filter (\(_, b) -> not b)
@@ -155,8 +155,8 @@ validate dls _ = do
 
   -- a tool must have at least one of each mandatory tags
   checkMandatoryTags tool = do
-    let allTags = join $ fmap _viTags $ M.elems $ availableToolVersions dls tool
+    let allTags = _viTags =<< M.elems (availableToolVersions dls tool)
-    forM_ [Latest, Recommended] $ \t -> case elem t allTags of
+    forM_ [Latest, Recommended] $ \t -> case t `elem` allTags of
       False -> do
         lift $ logError $ "Tag " <> T.pack (prettyShow t) <> " missing from " <> T.pack (prettyShow tool)
         addError
@@ -202,7 +202,7 @@ validateTarballs (TarballFilter etool versionRegex) dls gt = do
   let dlis = either (const []) (\tool -> nubOrd $ dls ^.. each %& indices (maybe (const True) (==) tool) %> each %& indices (matchTest versionRegex . T.unpack . prettyVer) % (viSourceDL % _Just `summing` viArch % each % each % each)) etool
   let gdlis = nubOrd $ gt ^.. each
   let allDls = either (const gdlis) (const dlis) etool
-  when (null allDls) $ logError "no tarballs selected by filter" *> (flip runReaderT ref addError)
+  when (null allDls) $ logError "no tarballs selected by filter" *> runReaderT addError ref
   forM_ allDls (downloadAll ref)
 
   -- exit
@@ -260,7 +260,7 @@ validateTarballs (TarballFilter etool versionRegex) dls gt = do
             when (basePath /= prel) $ do
               logError $
                 "Subdir doesn't match: expected " <> T.pack prel <> ", got " <> T.pack basePath
-              (flip runReaderT ref addError)
+              runReaderT addError ref
           Just (RegexDir regexString) -> do
             logInfo $
               "verifying subdir (regex): " <> T.pack regexString
@@ -268,13 +268,13 @@ validateTarballs (TarballFilter etool versionRegex) dls gt = do
                   compIgnoreCase
                   execBlank
                   regexString
-            when (not (match regex basePath)) $ do
+            unless (match regex basePath) $ do
               logError $
                 "Subdir doesn't match: expected regex " <> T.pack regexString <> ", got " <> T.pack basePath
-              (flip runReaderT ref addError)
+              runReaderT addError ref
           Nothing -> pure ()
       VRight Nothing -> pure ()
       VLeft  e -> do
         logError $
           "Could not download (or verify hash) of " <> T.pack (show dli) <> ", Error was: " <> T.pack (prettyShow e)
-        (flip runReaderT ref addError)
+        runReaderT addError ref

app/ghcup/BrickMain.hs

@@ -2,10 +2,7 @@
 {-# LANGUAGE DataKinds         #-}
 {-# LANGUAGE FlexibleContexts  #-}
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE TypeApplications  #-}
-{-# LANGUAGE ViewPatterns      #-}
 {-# LANGUAGE RankNTypes        #-}
 
 module BrickMain where
@@ -368,10 +365,7 @@ listSelectedElement' BrickInternalState{..} = fmap (ix, ) $ clr !? ix
 
 
 selectLatest :: Vector ListResult -> Int
-selectLatest v =
+selectLatest = fromMaybe 0 . V.findIndex (\ListResult {..} -> lTool == GHC && Latest `elem` lTag)
-  case V.findIndex (\ListResult {..} -> lTool == GHC && Latest `elem` lTag) v of
-    Just ix -> ix
-    Nothing -> 0
 
 
 -- | Replace the @appState@ or construct it based on a filter function
@@ -398,14 +392,14 @@ filterVisible :: Bool -> Bool -> ListResult -> Bool
 filterVisible v t e | lInstalled e = True
                     | v
                     , not t
-                    , not (elem (lTool e) hiddenTools) = True
+                    , lTool e `notElem` hiddenTools = True
                     | not v
                     , t
-                    , not (elem Old (lTag e)) = True
+                    , Old `notElem` lTag e = True
                     | v
                     , t = True
-                    | otherwise = not (elem Old (lTag e)) &&
+                    | otherwise = (Old `notElem` lTag e) &&
-                                  not (elem (lTool e) hiddenTools)
+                                  (lTool e `notElem` hiddenTools)
 
 
 install' :: (MonadReader AppState m, MonadIO m, MonadThrow m, MonadFail m, MonadMask m, MonadUnliftIO m)
@@ -507,7 +501,7 @@ del' _ (_, ListResult {..}) = do
     )
     >>= \case
           VRight vi -> do
-            forM_ (join $ fmap _viPostRemove vi) $ \msg ->
+            forM_ (_viPostRemove =<< vi) $ \msg ->
               logInfo msg
             pure $ Right ()
           VLeft  e -> pure $ Left (prettyShow e)
@@ -594,8 +588,7 @@ getGHCupInfo = do
   r <-
     flip runReaderT settings
     . runE @'[DigestError, GPGError, JSONError , DownloadFailed , FileDoesNotExistError]
-    $ liftE
+    $ liftE getDownloadsF
-    $ getDownloadsF
 
   case r of
     VRight a -> pure $ Right a

app/ghcup/GHCup/OptParse.hs

@@ -1,11 +1,7 @@
 {-# LANGUAGE CPP               #-}
 {-# LANGUAGE DataKinds         #-}
-{-# LANGUAGE TypeApplications  #-}
 {-# LANGUAGE FlexibleContexts  #-}
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE TemplateHaskell   #-}
-{-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 
 
@@ -109,7 +105,7 @@ opts =
   Options
     <$> invertableSwitch "verbose" 'v' False (help "Enable verbosity (default: disabled)")
     <*> invertableSwitch "cache" 'c' False (help "Cache downloads in ~/.ghcup/cache (default: disabled)")
-    <*> (optional
+    <*> optional
           (option
             (eitherReader parseUri)
             (  short 's'
@@ -119,7 +115,6 @@ opts =
             <> internal
             )
           )
-        )
     <*> (fmap . fmap) not (invertableSwitch "verify" 'n' True (help "Disable tarball checksum verification (default: enabled)"))
     <*> optional (option
           (eitherReader keepOnParser)
@@ -164,11 +159,10 @@ com =
       (  command
           "tui"
           (   (\_ -> Interactive)
-          <$> (info
+          <$> info
                 helper
                 (  progDesc "Start the interactive GHCup UI"
                 )
-              )
           )
       <>  command
 #else

app/ghcup/GHCup/OptParse/ChangeLog.hs

@@ -2,7 +2,6 @@
 {-# LANGUAGE DataKinds         #-}
 {-# LANGUAGE TypeApplications  #-}
 {-# LANGUAGE FlexibleContexts  #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE QuasiQuotes       #-}
 {-# LANGUAGE OverloadedStrings #-}

app/ghcup/GHCup/OptParse/Common.hs

@@ -1,11 +1,7 @@
 {-# LANGUAGE CPP               #-}
 {-# LANGUAGE DataKinds         #-}
-{-# LANGUAGE TypeApplications  #-}
 {-# LANGUAGE FlexibleContexts  #-}
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE TemplateHaskell   #-}
-{-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 
 module GHCup.OptParse.Common where
@@ -160,7 +156,7 @@ platformParser s' = case MP.parse (platformP <* MP.eof) "" (T.pack s') of
   archP = MP.try (MP.chunk "x86_64" $> A_64) <|> (MP.chunk "i386" $> A_32)
   platformP :: MP.Parsec Void Text PlatformRequest
   platformP = choice'
-    [ (\a mv -> PlatformRequest a FreeBSD mv)
+    [ (`PlatformRequest` FreeBSD)
     <$> (archP <* MP.chunk "-")
     <*> (  MP.chunk "portbld"
         *> (   MP.try (Just <$> verP (MP.chunk "-freebsd" <* MP.eof))
@@ -168,7 +164,7 @@ platformParser s' = case MP.parse (platformP <* MP.eof) "" (T.pack s') of
            )
         <* MP.chunk "-freebsd"
         )
-    , (\a mv -> PlatformRequest a Darwin mv)
+    , (`PlatformRequest` Darwin)
     <$> (archP <* MP.chunk "-")
     <*> (  MP.chunk "apple"
         *> (   MP.try (Just <$> verP (MP.chunk "-darwin" <* MP.eof))
@@ -311,11 +307,8 @@ tagCompleter tool add = listIOCompleter $ do
   mGhcUpInfo <- flip runReaderT appState . runE $ getDownloadsF
   case mGhcUpInfo of
     VRight ghcupInfo -> do
-      let allTags = filter (\t -> t /= Old)
+      let allTags = filter (/= Old)
-            $ join
+            $ _viTags =<< M.elems (availableToolVersions (_ghcupDownloads ghcupInfo) tool)
-            $ fmap _viTags
-            $ M.elems
-            $ availableToolVersions (_ghcupDownloads ghcupInfo) tool
       pure $ nub $ (add ++) $ fmap tagToString allTags
     VLeft _ -> pure  (nub $ ["recommended", "latest"] ++ add)
 
@@ -396,7 +389,7 @@ fromVersion' :: ( HasLog env
                    ] m (GHCTargetVersion, Maybe VersionInfo)
 fromVersion' SetRecommended tool = do
   GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
-  (\(x, y) -> (mkTVer x, Just y)) <$> getRecommended dls tool
+  bimap mkTVer Just <$> getRecommended dls tool
     ?? TagNotFound Recommended tool
 fromVersion' (SetToolVersion v) tool = do
   GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
@@ -407,18 +400,18 @@ fromVersion' (SetToolVersion v) tool = do
       lift (getLatestToolFor tool pvpIn dls) >>= \case
         Just (pvp_, vi') -> do
           v' <- lift $ pvpToVersion pvp_
-          when (v' /= (_tvVersion v)) $ lift $ logWarn ("Assuming you meant version " <> prettyVer v')
+          when (v' /= _tvVersion v) $ lift $ logWarn ("Assuming you meant version " <> prettyVer v')
           pure (GHCTargetVersion (_tvTarget v) v', Just vi')
         Nothing -> pure (v, vi)
 fromVersion' (SetToolTag Latest) tool = do
   GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
-  (\(x, y) -> (mkTVer x, Just y)) <$> getLatest dls tool ?? TagNotFound Latest tool
+  bimap mkTVer Just <$> getLatest dls tool ?? TagNotFound Latest tool
 fromVersion' (SetToolTag Recommended) tool = do
   GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
-  (\(x, y) -> (mkTVer x, Just y)) <$> getRecommended dls tool ?? TagNotFound Recommended tool
+  bimap mkTVer Just <$> getRecommended dls tool ?? TagNotFound Recommended tool
 fromVersion' (SetToolTag (Base pvp'')) GHC = do
   GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
-  (\(x, y) -> (mkTVer x, Just y)) <$> getLatestBaseVersion dls pvp'' ?? TagNotFound (Base pvp'') GHC
+  bimap mkTVer Just <$> getLatestBaseVersion dls pvp'' ?? TagNotFound (Base pvp'') GHC
 fromVersion' SetNext tool = do
   GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
   next <- case tool of
@@ -430,7 +423,7 @@ fromVersion' SetNext tool = do
         . dropWhile (\GHCTargetVersion {..} -> _tvVersion /= set)
         . cycle
         . sortBy (\x y -> compare (_tvVersion x) (_tvVersion y))
-        . filter (\GHCTargetVersion {..} -> _tvTarget == Nothing)
+        . filter (\GHCTargetVersion {..} -> isNothing _tvTarget)
         $ ghcs) ?? NoToolVersionSet tool
     Cabal -> do
       set <- cabalSet !? NoToolVersionSet tool

app/ghcup/GHCup/OptParse/Compile.hs

@@ -5,7 +5,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE RankNTypes #-}
 
@@ -508,7 +507,7 @@ compile compileCommand settings runAppState runLogger = do
               VLeft err@(V (BuildFailed tmpdir _)) -> do
                 case keepDirs settings of
                   Never -> runLogger $ logError $ T.pack $ prettyShow err
-                  _ -> runLogger $ (logError $ T.pack (prettyShow err) <> "\n" <>
+                  _ -> runLogger (logError $ T.pack (prettyShow err) <> "\n" <>
                         "Check the logs at " <> T.pack logsDir <> " and the build directory "
                         <> T.pack tmpdir <> " for more clues." <> "\n" <>
                         "Make sure to clean up " <> T.pack tmpdir <> " afterwards.")

app/ghcup/GHCup/OptParse/Config.hs

@@ -2,7 +2,6 @@
 {-# LANGUAGE DataKinds         #-}
 {-# LANGUAGE TypeApplications  #-}
 {-# LANGUAGE FlexibleContexts  #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE QuasiQuotes       #-}
 {-# LANGUAGE OverloadedStrings #-}
@@ -22,19 +21,20 @@ import           GHCup.Utils.String.QQ
 #if !MIN_VERSION_base(4,13,0)
 import           Control.Monad.Fail             ( MonadFail )
 #endif
+import           Control.Exception              ( displayException )
 import           Control.Monad.Reader
 import           Control.Monad.Trans.Resource
-import           Data.Bifunctor
 import           Data.Functor
 import           Data.Maybe
 import           Haskus.Utils.Variant.Excepts
 import           Options.Applicative     hiding ( style )
+import           Options.Applicative.Help.Pretty ( text )
 import           Prelude                 hiding ( appendFile )
 import           System.Exit
 
 import qualified Data.Text                     as T
 import qualified Data.ByteString.UTF8          as UTF8
-import qualified Data.YAML.Aeson               as Y
+import qualified Data.Yaml.Aeson               as Y
 import Control.Exception.Safe (MonadMask)
 
 
@@ -47,7 +47,7 @@ import Control.Exception.Safe (MonadMask)
 
 data ConfigCommand
   = ShowConfig
-  | SetConfig String String
+  | SetConfig String (Maybe String)
   | InitConfig
 
 
@@ -68,8 +68,8 @@ configP = subparser
  where
   initP = info (pure InitConfig) (progDesc "Write default config to ~/.ghcup/config.yaml")
   showP = info (pure ShowConfig) (progDesc "Show current config (default)")
-  setP  = info argsP (progDesc "Set config KEY to VALUE")
+  setP  = info argsP (progDesc "Set config KEY to VALUE (or specify as single json value)" <> footerDoc (Just $ text configSetFooter))
-  argsP = SetConfig <$> argument str (metavar "KEY") <*> argument str (metavar "VALUE")
+  argsP = SetConfig <$> argument str (metavar "<JSON_VALUE | YAML_KEY>") <*> optional (argument str (metavar "YAML_VALUE"))
 
 
 
@@ -89,7 +89,19 @@ configFooter = [s|Examples:
   ghcup config init
 
   # set <key> <value> configuration pair
-  ghcup config <key> <value>|]
+  ghcup config set <key> <value>|]
+
+
+configSetFooter :: String
+configSetFooter = [s|Examples:
+  # disable caching
+  ghcup config set cache false
+
+  # switch downloader to wget
+  ghcup config set downloader Wget
+
+  # set mirror for ghcup metadata
+  ghcup config set '{url-source: { OwnSource: "<url>"}}'|]
 
 
 
@@ -99,12 +111,12 @@ configFooter = [s|Examples:
 
 
 formatConfig :: UserSettings -> String
-formatConfig = UTF8.toString . Y.encode1Strict
+formatConfig = UTF8.toString . Y.encode
 
 
 updateSettings :: Monad m => UTF8.ByteString -> Settings -> Excepts '[JSONError] m Settings
 updateSettings config' settings = do
-  settings' <- lE' JSONDecodeError . first snd . Y.decode1Strict $ config'
+  settings' <- lE' (JSONDecodeError . displayException) . Y.decodeEither' $ config'
   pure $ mergeConf settings' settings
   where
    mergeConf :: UserSettings -> Settings -> Settings
@@ -148,22 +160,27 @@ config configCommand settings keybindings runLogger = case configCommand of
     liftIO $ putStrLn $ formatConfig $ fromSettings settings (Just keybindings)
     pure ExitSuccess
 
-  (SetConfig k v) -> do
+  (SetConfig k (Just v)) ->
     case v of
       "" -> do
         runLogger $ logError "Empty values are not allowed"
         pure $ ExitFailure 55
-      _  -> do
+      _  -> doConfig (k <> ": " <> v <> "\n")
-        r <- runE @'[JSONError] $ do
-          settings' <- updateSettings (UTF8.fromString (k <> ": " <> v <> "\n")) settings
-          path <- liftIO getConfigFilePath
-          liftIO $ writeFile path $ formatConfig $ fromSettings settings' (Just keybindings)
-          lift $ runLogger $ logDebug $ T.pack $ show settings'
-          pure ()
 
-        case r of
+  (SetConfig json Nothing) -> doConfig json
-            VRight _ -> pure ExitSuccess
+
-            VLeft (V (JSONDecodeError e)) -> do
+ where
-              runLogger $ logError $ "Error decoding config: " <> T.pack e
+  doConfig val = do
-              pure $ ExitFailure 65
+    r <- runE @'[JSONError] $ do
-            VLeft _ -> pure $ ExitFailure 65
+      settings' <- updateSettings (UTF8.fromString val) settings
+      path <- liftIO getConfigFilePath
+      liftIO $ writeFile path $ formatConfig $ fromSettings settings' (Just keybindings)
+      lift $ runLogger $ logDebug $ T.pack $ show settings'
+      pure ()
+
+    case r of
+        VRight _ -> pure ExitSuccess
+        VLeft (V (JSONDecodeError e)) -> do
+          runLogger $ logError $ "Error decoding config: " <> T.pack e
+          pure $ ExitFailure 65
+        VLeft _ -> pure $ ExitFailure 65

app/ghcup/GHCup/OptParse/DInfo.hs

@@ -5,7 +5,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE RankNTypes #-}
 
@@ -84,7 +83,7 @@ prettyDebugInfo DebugInfo {..} = "Debug Info" <> "\n" <>
 type DInfoEffects = '[ NoCompatiblePlatform , NoCompatibleArch , DistroNotFound ]
 
 runDebugInfo :: (ReaderT env m (VEither DInfoEffects a) -> m (VEither DInfoEffects a))
-             -> (Excepts DInfoEffects (ReaderT env m) a)
+             -> Excepts DInfoEffects (ReaderT env m) a
              -> m (VEither DInfoEffects a)
 runDebugInfo runAppState =
         runAppState

app/ghcup/GHCup/OptParse/GC.hs

@@ -5,7 +5,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE RankNTypes #-}
 
@@ -104,7 +103,7 @@ type GCEffects = '[ NotInstalled ]
 
 runGC :: MonadUnliftIO m
       => (ReaderT AppState m (VEither GCEffects a) -> m (VEither GCEffects a))
-      -> (Excepts GCEffects (ResourceT (ReaderT AppState m)) a)
+      -> Excepts GCEffects (ResourceT (ReaderT AppState m)) a
       -> m (VEither GCEffects a)
 runGC runAppState =
   runAppState

app/ghcup/GHCup/OptParse/Install.hs

@@ -2,7 +2,6 @@
 {-# LANGUAGE DataKinds         #-}
 {-# LANGUAGE TypeApplications  #-}
 {-# LANGUAGE FlexibleContexts  #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE QuasiQuotes       #-}
 {-# LANGUAGE OverloadedStrings #-}
@@ -275,7 +274,7 @@ runInstTool appstate' mInstPlatform =
     -------------------
 
 
-install :: (Either InstallCommand InstallOptions) -> Settings -> IO AppState -> (ReaderT LeanAppState IO () -> IO ()) -> IO ExitCode
+install :: Either InstallCommand InstallOptions -> Settings -> IO AppState -> (ReaderT LeanAppState IO () -> IO ()) -> IO ExitCode
 install installCommand settings getAppState' runLogger = case installCommand of
   (Right iopts) -> do
     runLogger (logWarn "This is an old-style command for installing GHC. Use 'ghcup install ghc' instead.")
@@ -324,8 +323,8 @@ install installCommand settings getAppState' runLogger = case installCommand of
                 pure $ ExitFailure 3
               VLeft err@(V (BuildFailed tmpdir _)) -> do
                 case keepDirs settings of
-                  Never -> runLogger $ (logError $ T.pack $ prettyShow err)
+                  Never -> runLogger (logError $ T.pack $ prettyShow err)
-                  _ -> runLogger $ (logError $ T.pack (prettyShow err) <> "\n" <>
+                  _ -> runLogger (logError $ T.pack (prettyShow err) <> "\n" <>
                     "Check the logs at " <> T.pack logsDir <> " and the build directory " <> T.pack tmpdir <> " for more clues." <> "\n" <>
                     "Make sure to clean up " <> T.pack tmpdir <> " afterwards.")
                 pure $ ExitFailure 3

app/ghcup/GHCup/OptParse/List.hs

@@ -1,11 +1,7 @@
 {-# LANGUAGE CPP               #-}
 {-# LANGUAGE DataKinds         #-}
-{-# LANGUAGE TypeApplications  #-}
 {-# LANGUAGE FlexibleContexts  #-}
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE TemplateHaskell   #-}
-{-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE RankNTypes #-}
 
@@ -15,6 +11,7 @@ module GHCup.OptParse.List where
 
 
 import           GHCup
+import           GHCup.Utils.Prelude
 import           GHCup.Types
 import           GHCup.OptParse.Common
 
@@ -99,7 +96,7 @@ printListResult :: Bool -> Bool -> [ListResult] -> IO ()
 printListResult no_color raw lr = do
 
   let
-    color | raw || no_color = flip const
+    color | raw || no_color = (\_ x -> x)
           | otherwise       = Pretty.color
 
   let
@@ -119,22 +116,16 @@ printListResult no_color raw lr = do
         . fmap
             (\ListResult {..} ->
               let marks = if
-#if defined(IS_WINDOWS)
+                    | lSet       -> (color Green (if isWindows then "IS" else "✔✔"))
-                    | lSet       -> (color Green "IS")
+                    | lInstalled -> (color Green (if isWindows then "I " else "✓ "))
-                    | lInstalled -> (color Green "I ")
+                    | otherwise  -> (color Red   (if isWindows then "X " else "✗ "))
-                    | otherwise  -> (color Red "X ")
-#else
-                    | lSet       -> (color Green "✔✔")
-                    | lInstalled -> (color Green "✓ ")
-                    | otherwise  -> (color Red "✗ ")
-#endif
               in
                 (if raw then [] else [marks])
                   ++ [ fmap toLower . show $ lTool
                      , case lCross of
                        Nothing -> T.unpack . prettyVer $ lVer
                        Just c  -> T.unpack (c <> "-" <> prettyVer lVer)
-                     , intercalate "," $ (filter (/= "") . fmap printTag $ sort lTag)
+                     , intercalate "," (filter (/= "") . fmap printTag $ sort lTag)
                      , intercalate ","
                      $  (if hlsPowered
                           then [color Green "hls-powered"]
@@ -151,10 +142,10 @@ printListResult no_color raw lr = do
         $ lr
   let cols =
         foldr (\xs ys -> zipWith (:) xs ys) (replicate (length rows) []) rows
-      lengths = fmap maximum . (fmap . fmap) strWidth $ cols
+      lengths = fmap (maximum . fmap strWidth) cols
       padded  = fmap (\xs -> zipWith padTo xs lengths) rows
 
-  forM_ padded $ \row -> putStrLn $ intercalate " " row
+  forM_ padded $ \row -> putStrLn $ unwords row
  where
 
   padTo str' x =

app/ghcup/GHCup/OptParse/Nuke.hs

@@ -3,9 +3,6 @@
 {-# LANGUAGE TypeApplications  #-}
 {-# LANGUAGE FlexibleContexts  #-}
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE TemplateHaskell   #-}
-{-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE RankNTypes #-}
 
@@ -49,7 +46,7 @@ type NukeEffects = '[ NotInstalled ]
 
 
 runNuke :: AppState
-        -> (Excepts NukeEffects (ReaderT AppState m) a)
+        -> Excepts NukeEffects (ReaderT AppState m) a
         -> m (VEither NukeEffects a)
 runNuke s' =
   flip runReaderT s' . runE @NukeEffects

app/ghcup/GHCup/OptParse/Prefetch.hs

@@ -5,7 +5,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE RankNTypes #-}
 
@@ -85,7 +84,7 @@ prefetchP = subparser
           <$> (PrefetchGHCOptions
                 <$> ( switch (short 's' <> long "source" <> help "Download source tarball instead of bindist") <**> helper )
                 <*> optional (option str (short 'd' <> long "directory" <> help "directory to download into (default: ~/.ghcup/cache/)")))
-          <*> ( optional (toolVersionArgument Nothing (Just GHC)) ))
+          <*>  optional (toolVersionArgument Nothing (Just GHC)) )
         ( progDesc "Download GHC assets for installation")
       )
       <>
@@ -118,7 +117,7 @@ prefetchP = subparser
       <>
      command
       "metadata"
-      (const PrefetchMetadata <$> info
+      (PrefetchMetadata <$ info
         helper
         ( progDesc "Download ghcup's metadata, needed for various operations")
       )
@@ -162,7 +161,7 @@ type PrefetchEffects = '[ TagNotFound
 
 runPrefetch :: MonadUnliftIO m
             => (ReaderT AppState m (VEither PrefetchEffects a) -> m (VEither PrefetchEffects a))
-            -> (Excepts PrefetchEffects (ResourceT (ReaderT AppState m)) a)
+            -> Excepts PrefetchEffects (ResourceT (ReaderT AppState m)) a
             -> m (VEither PrefetchEffects a)
 runPrefetch runAppState =
   runAppState
@@ -197,20 +196,20 @@ prefetch prefetchCommand runAppState runLogger =
           if pfGHCSrc
           then liftE $ fetchGHCSrc (_tvVersion v) pfCacheDir
           else liftE $ fetchToolBindist (_tvVersion v) GHC pfCacheDir
-      PrefetchCabal (PrefetchOptions {pfCacheDir}) mt   -> do
+      PrefetchCabal PrefetchOptions {pfCacheDir} mt   -> do
         forM_ pfCacheDir (liftIO . createDirRecursive')
         (v, _) <- liftE $ fromVersion mt Cabal
         liftE $ fetchToolBindist (_tvVersion v) Cabal pfCacheDir
-      PrefetchHLS (PrefetchOptions {pfCacheDir}) mt   -> do
+      PrefetchHLS PrefetchOptions {pfCacheDir} mt   -> do
         forM_ pfCacheDir (liftIO . createDirRecursive')
         (v, _) <- liftE $ fromVersion mt HLS
         liftE $ fetchToolBindist (_tvVersion v) HLS pfCacheDir
-      PrefetchStack (PrefetchOptions {pfCacheDir}) mt   -> do
+      PrefetchStack PrefetchOptions {pfCacheDir} mt   -> do
         forM_ pfCacheDir (liftIO . createDirRecursive')
         (v, _) <- liftE $ fromVersion mt Stack
         liftE $ fetchToolBindist (_tvVersion v) Stack pfCacheDir
       PrefetchMetadata -> do
-        _ <- liftE $ getDownloadsF
+        _ <- liftE getDownloadsF
         pure ""
        ) >>= \case
                 VRight _ -> do

app/ghcup/GHCup/OptParse/Rm.hs

@@ -5,7 +5,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE RankNTypes #-}
 
@@ -132,7 +131,7 @@ type RmEffects = '[ NotInstalled ]
 
 
 runRm :: (ReaderT env m (VEither RmEffects a) -> m (VEither RmEffects a))
-            -> (Excepts RmEffects (ReaderT env m) a)
+            -> Excepts RmEffects (ReaderT env m) a
             -> m (VEither RmEffects a)
 runRm runAppState =
     runAppState
@@ -152,7 +151,7 @@ rm :: ( Monad m
       , MonadUnliftIO m
       , MonadFail m
       )
-   => (Either RmCommand RmOptions)
+   => Either RmCommand RmOptions
    -> (ReaderT AppState m (VEither RmEffects (Maybe VersionInfo))
        -> m (VEither RmEffects (Maybe VersionInfo)))
    -> (ReaderT LeanAppState m () -> m ())

app/ghcup/GHCup/OptParse/Set.hs

@@ -2,8 +2,6 @@
 {-# LANGUAGE DataKinds         #-}
 {-# LANGUAGE TypeApplications  #-}
 {-# LANGUAGE FlexibleContexts  #-}
-{-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE QuasiQuotes       #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
@@ -42,6 +40,7 @@ import           Text.PrettyPrint.HughesPJClass ( prettyShow )
 import qualified Data.Text                     as T
 import Data.Bifunctor (second)
 import Control.Exception.Safe (MonadMask)
+import GHCup.Types.Optics
 
 
 
@@ -187,7 +186,7 @@ type SetGHCEffects = '[ FileDoesNotExistError
                    , NoToolVersionSet]
 
 runSetGHC :: (ReaderT env m (VEither SetGHCEffects a) -> m (VEither SetGHCEffects a))
-          -> (Excepts SetGHCEffects (ReaderT env m) a)
+          -> Excepts SetGHCEffects (ReaderT env m) a
           -> m (VEither SetGHCEffects a)
 runSetGHC runAppState =
     runAppState
@@ -201,7 +200,7 @@ type SetCabalEffects = '[ NotInstalled
                         , NoToolVersionSet]
 
 runSetCabal :: (ReaderT env m (VEither SetCabalEffects a) -> m (VEither SetCabalEffects a))
-            -> (Excepts SetCabalEffects (ReaderT env m) a)
+            -> Excepts SetCabalEffects (ReaderT env m) a
             -> m (VEither SetCabalEffects a)
 runSetCabal runAppState =
     runAppState
@@ -215,7 +214,7 @@ type SetHLSEffects = '[ NotInstalled
                       , NoToolVersionSet]
 
 runSetHLS :: (ReaderT env m (VEither SetHLSEffects a) -> m (VEither SetHLSEffects a))
-          -> (Excepts SetHLSEffects (ReaderT env m) a)
+          -> Excepts SetHLSEffects (ReaderT env m) a
           -> m (VEither SetHLSEffects a)
 runSetHLS runAppState =
     runAppState
@@ -229,7 +228,7 @@ type SetStackEffects = '[ NotInstalled
                         , NoToolVersionSet]
 
 runSetStack :: (ReaderT env m (VEither SetStackEffects a) -> m (VEither SetStackEffects a))
-            -> (Excepts SetStackEffects (ReaderT env m) a)
+            -> Excepts SetStackEffects (ReaderT env m) a
             -> m (VEither SetStackEffects a)
 runSetStack runAppState =
     runAppState
@@ -243,15 +242,18 @@ runSetStack runAppState =
     -------------------
 
 
-set :: forall m . ( Monad m
+set :: forall m env.
+       ( Monad m
        , MonadMask m
        , MonadUnliftIO m
        , MonadFail m
+       , HasDirs env
+       , HasLog env
        )
     => Either SetCommand SetOptions
     -> (forall eff . ReaderT AppState m (VEither eff GHCTargetVersion)
         -> m (VEither eff GHCTargetVersion))
-    -> (forall eff . ReaderT LeanAppState m (VEither eff GHCTargetVersion)
+    -> (forall eff. ReaderT env m (VEither eff GHCTargetVersion)
         -> m (VEither eff GHCTargetVersion))
     -> (ReaderT LeanAppState m () -> m ())
     -> m ExitCode

app/ghcup/GHCup/OptParse/ToolRequirements.hs

@@ -2,10 +2,6 @@
 {-# LANGUAGE DataKinds         #-}
 {-# LANGUAGE TypeApplications  #-}
 {-# LANGUAGE FlexibleContexts  #-}
-{-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE TemplateHaskell   #-}
-{-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE RankNTypes #-}
 
@@ -49,7 +45,7 @@ type ToolRequirementsEffects = '[ NoCompatiblePlatform , DistroNotFound , NoTool
 
 
 runToolRequirements :: (ReaderT env m (VEither ToolRequirementsEffects a) -> m (VEither ToolRequirementsEffects a))
-                    -> (Excepts ToolRequirementsEffects (ReaderT env m) a)
+                    -> Excepts ToolRequirementsEffects (ReaderT env m) a
                     -> m (VEither ToolRequirementsEffects a)
 runToolRequirements runAppState =
     runAppState

app/ghcup/GHCup/OptParse/UnSet.hs

@@ -2,7 +2,6 @@
 {-# LANGUAGE DataKinds         #-}
 {-# LANGUAGE TypeApplications  #-}
 {-# LANGUAGE FlexibleContexts  #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE QuasiQuotes       #-}
 {-# LANGUAGE OverloadedStrings #-}
@@ -36,6 +35,7 @@ import           Text.PrettyPrint.HughesPJClass ( prettyShow )
 
 import qualified Data.Text                     as T
 import Control.Exception.Safe (MonadMask)
+import GHCup.Types.Optics
 
 
 
@@ -72,7 +72,7 @@ data UnsetOptions = UnsetOptions
           
 unsetParser :: Parser UnsetCommand
 unsetParser =
-  (subparser
+  subparser
       (  command
           "ghc"
           (   UnsetGHC
@@ -110,7 +110,6 @@ unsetParser =
                  )
            )
       )
-    )
  where
   unsetGHCFooter :: String
   unsetGHCFooter = [s|Discussion:
@@ -156,7 +155,7 @@ type UnsetEffects = '[ NotInstalled ]
 
 
 runUnsetGHC :: (ReaderT env m (VEither UnsetEffects a) -> m (VEither UnsetEffects a))
-            -> (Excepts UnsetEffects (ReaderT env m) a)
+            -> Excepts UnsetEffects (ReaderT env m) a
             -> m (VEither UnsetEffects a)
 runUnsetGHC runLeanAppState =
     runLeanAppState
@@ -175,9 +174,11 @@ unset :: ( Monad m
          , MonadMask m
          , MonadUnliftIO m
          , MonadFail m
+         , HasDirs env
+         , HasLog env
          )
       => UnsetCommand
-      -> (ReaderT LeanAppState m (VEither UnsetEffects ())
+      -> (ReaderT env m (VEither UnsetEffects ())
           -> m (VEither UnsetEffects ()))
       -> (ReaderT LeanAppState m () -> m ())
       -> m ExitCode

app/ghcup/GHCup/OptParse/Upgrade.hs

@@ -3,9 +3,6 @@
 {-# LANGUAGE TypeApplications  #-}
 {-# LANGUAGE FlexibleContexts  #-}
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE TemplateHaskell   #-}
-{-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE RankNTypes #-}
 

app/ghcup/GHCup/OptParse/Whereis.hs

@@ -5,7 +5,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE RankNTypes #-}
 
@@ -113,7 +112,7 @@ whereisP = subparser
       <>
      command
       "ghcup"
-      (WhereisTool GHCup <$> info ( (pure Nothing) <**> helper ) ( progDesc "Get ghcup location" ))
+      (WhereisTool GHCup <$> info ( pure Nothing <**> helper ) ( progDesc "Get ghcup location" ))
     ) <|> subparser ( commandGroup "Directory locations:"
       <>
      command
@@ -266,7 +265,7 @@ whereis :: ( Monad m
       -> (ReaderT LeanAppState m () -> m ())
       -> m ExitCode
 whereis whereisCommand whereisOptions runAppState leanAppstate runLogger = do
-  VRight Dirs{ .. }  <- runAppState (VRight <$> getDirs)
+  Dirs{ .. }  <- runReaderT getDirs leanAppstate
   case (whereisCommand, whereisOptions) of
     (WhereisTool tool (Just (ToolVersion v)), WhereisOptions{..}) ->
       runLeanWhereIs leanAppstate (do
@@ -283,7 +282,7 @@ whereis whereisCommand whereisOptions runAppState leanAppstate runLogger = do
                 runLogger $ logError $ T.pack $ prettyShow e
                 pure $ ExitFailure 30
 
-    (WhereisTool tool whereVer, WhereisOptions{..}) ->
+    (WhereisTool tool whereVer, WhereisOptions{..}) -> do
       runWhereIs runAppState (do
         (v, _) <- liftE $ fromVersion whereVer tool
         loc <- liftE $ whereIsTool tool v

app/ghcup/Main.hs

@@ -5,7 +5,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE QuasiQuotes       #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DuplicateRecordFields #-}
 
 
@@ -112,7 +111,7 @@ plan_json = $( do
                              c <- B.readFile fp
                              (Just res) <- pure $ decodeStrict' @Value c
                              pure (fp, T.unpack $ decUTF8Safe' $ encodePretty res))
-                when (not . null $ fp ) $ qAddDependentFile fp
+                unless (null fp) $ qAddDependentFile fp
                 pure . LitE . StringL $ c)
 
 
@@ -124,8 +123,7 @@ main = do
   void enableAnsiSupport
 
   let versionHelp = infoOption
-        ( ("The GHCup Haskell installer, version " <>)
+        ( "The GHCup Haskell installer, version " <> (head . lines $ describe_result)
-          (head . lines $ describe_result)
         )
         (long "version" <> help "Show version" <> hidden)
   let planJson = infoOption
@@ -170,7 +168,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
           (settings, keybindings) <- toSettings opt
 
           -- logger interpreter
-          logfile <- flip runReaderT dirs initGHCupFileLogging
+          logfile <- runReaderT initGHCupFileLogging dirs
           no_color <- isJust <$> lookupEnv "NO_COLOR"
           let loggerConfig = LoggerConfig
                 { lcPrintDebug = verbose settings
@@ -204,8 +202,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                 ghcupInfo <-
                   ( flip runReaderT leanAppstate
                     . runE @'[DigestError, GPGError, JSONError , DownloadFailed, FileDoesNotExistError]
-                    $ liftE
+                    $ liftE getDownloadsF
-                    $ getDownloadsF
                     )
                     >>= \case
                           VRight r -> pure r
@@ -215,7 +212,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                             exitWith (ExitFailure 2)
                 let s' = AppState settings dirs keybindings ghcupInfo pfreq loggerConfig
 
-                race_ (liftIO $ flip runReaderT s' cleanupTrash)
+                race_ (liftIO $ runReaderT cleanupTrash s')
                       (threadDelay 5000000 >> runLogger (logWarn $ "Killing cleanup thread (exceeded 5s timeout)... please remove leftover files in " <> T.pack recycleDir <> " manually"))
 
                 case optCommand of
@@ -229,11 +226,11 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                   Interactive -> pure ()
 #endif
                   _ -> lookupEnv "GHCUP_SKIP_UPDATE_CHECK" >>= \case
-                         Nothing -> flip runReaderT s' checkForUpdates
+                         Nothing -> runReaderT checkForUpdates s'
                          Just _ -> pure ()
 
                 -- TODO: always run for windows
-                (siletRunLogger $ flip runReaderT s' $ runE ensureGlobalTools) >>= \case
+                siletRunLogger (flip runReaderT s' $ runE ensureGlobalTools) >>= \case
                   VRight _ -> pure ()
                   VLeft e -> do
                     runLogger
@@ -251,7 +248,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
 #endif
               runAppState action' = do
                 s' <- liftIO appState
-                flip runReaderT s' action'
+                runReaderT action' s'
                   
 
           -----------------

cabal.project

@@ -9,19 +9,9 @@ package ghcup
     flags: +tui
 
 constraints: http-io-streams -brotli,
-             any.Cabal ==3.4.0.0 || ==3.6.2.0,
+             any.Cabal ==3.4.1.0 || ==3.6.2.0,
              any.aeson >= 2.0.1.0
 
-source-repository-package
-    type: git
-    location: https://github.com/hasufell/aeson-pretty.git
-    tag: e902ab866bb41d990b66af3644aeb352ff7aaf6f
-
-source-repository-package
-    type: git
-    location: https://github.com/hasufell/HsYAML-aeson.git
-    tag: b4b4ab8592918b52a9f2e5bb0c5a795b9721b4f3
-
 package libarchive
   flags: -system-libarchive
 

docs/dev.md

@@ -66,18 +66,14 @@ Some light suggestions:
 
 ### Adding a new GHC version
 
-1. open the latest `data/metadata/ghcup-<yaml-ver>.yaml`
+Head over to: [https://github.com/haskell/ghcup-metadata#adding-a-new-ghc-version](https://github.com/haskell/ghcup-metadata#adding-a-new-ghc-version)
-2. find the latest ghc version (in yaml tree e.g. `ghcupDownloads -> GHC -> 8.10.7`)
-3. copy-paste it
-4. adjust the version, tags, changelog, source url
-5. adjust the various bindist urls (make sure to also change the yaml anchors)
-6. run `cabal run exe:ghcup-gen -- check          -f data/metadata/ghcup-<yaml-ver>.yaml`
-7. run `cabal run exe:ghcup-gen -- check-tarballs -f data/metadata/ghcup-<yaml-ver>.yaml -u 'ghc-8\.10\.8'`
 
 ### Adding a new CLI command
 
 An example illustration on how to deal with [optparse-applicative](https://hackage.haskell.org/package/optparse-applicative) can be seen here: [https://gitlab.haskell.org/haskell/ghcup-hs/-/commit/c19dd5ee8b2edbaf0336af143f1c75b6f4843e26](https://gitlab.haskell.org/haskell/ghcup-hs/-/commit/c19dd5ee8b2edbaf0336af143f1c75b6f4843e26)
 
+Every subcommand now lives in its own module under [GHCup.OptParse.MyCommand](https://gitlab.haskell.org/haskell/ghcup-hs/-/tree/master/app/ghcup/GHCup/OptParse).
+
 ## Major refactors
 
 1. First major refactor included adding cross support. This added
@@ -89,6 +85,7 @@ An example illustration on how to deal with [optparse-applicative](https://hacka
    The major changes here were switching `hpath` library out for `filepath`/`directory` (sadly) and
    introducing a non-unix way of handling processes via the `process` library. It also introduced considerable
    amounts of CPP wrt file handling, installation etc.
+3. This refactor split up the huge `Main.hs` and put every subcommand in its own module: [#212](https://gitlab.haskell.org/haskell/ghcup-hs/-/merge_requests/212)
 
 # Releasing
 
@@ -98,7 +95,7 @@ An example illustration on how to deal with [optparse-applicative](https://hacka
 
 3. Add ChangeLog entry
 
-4. Add/fix downloads in `ghcup-<ver>.yaml` (under `data/metadata`), then verify with `ghcup-gen check -f data/metadata/ghcup-<ver>.yaml` and possibly (example only) `ghcup-gen check-tarballs -f data/metadata/ghcup-<ver>.yaml -u 'ghc-8.10.7'`. Generally, new GHC/cabal/stack/hls versions are only added to the latest yaml file. New GHCup versions are added to all (great care must be taken here to not break the parser... e.g. ARM platforms don't parse in all older formats).
+4. Add/fix downloads in `ghcup-<ver>.yaml` ([ghcup-metadata repo](https://github.com/haskell/ghcup-metadata)), then verify with `ghcup-gen check -f ghcup-<ver>.yaml` and possibly (example only) `ghcup-gen check-tarballs -f ghcup-<ver>.yaml -u 'ghc-8.10.7'`. Generally, new GHC/cabal/stack/hls versions are only added to the latest yaml file. New GHCup versions are added to all (great care must be taken here to not break the parser... e.g. ARM platforms don't parse in all older formats).
 
 5. Commit and git push with tag. Wait for tests to succeed and release artifacts to build.
 
@@ -106,9 +103,9 @@ An example illustration on how to deal with [optparse-applicative](https://hacka
 
 7. Add ghcup release artifacts to ALL yaml files (see point 4.)
 
-8. Upload the final `data/metadata/ghcup-<ver>.yaml` (and a detached GPG sig of it) to `webhost.haskell.org/ghcup/data/`.
+8. Upload the final `ghcup-<ver>.yaml` (and a detached GPG sig of it) to `webhost.haskell.org/ghcup/data/` (for yaml versions <= 0.0.6) as well as [https://github.com/haskell/ghcup-metadata](https://github.com/haskell/ghcup-metadata) (for all versions).
 
-9. Update `bootstrap-haskell` and `bootstrap-haskell.ps1` to `webhost.haskell.org/ghcup/sh/`
+9. Upload `bootstrap-haskell` and `bootstrap-haskell.ps1` to `webhost.haskell.org/ghcup/sh/`
 
 10. Update the top-level ghcup symlinks at `downloads.haskell.org/~ghcup`
 

docs/modules_small.svg

@@ -4,363 +4,638 @@
 <!-- Generated by graphviz version 2.44.0 (0)
  -->
 <!-- Title: G Pages: 1 -->
-<svg width="719pt" height="648pt"
+<svg width="720pt" height="648pt"
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 <title>G</title>
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+<polygon fill="white" stroke="transparent" points="-4,4 -4,-1421.5 1579,-1421.5 1579,4 -4,4"/>
 <g id="clust1" class="cluster">
 <title>cluster_0</title>
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-<text text-anchor="middle" x="439" y="-645.17" font-family="Times-Roman" font-size="14.00">GHCup</text>
+<text text-anchor="middle" x="787.5" y="-1330.86" font-family="Times-Roman" font-size="14.00">GHCup</text>
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 <title>cluster_1</title>
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-<text text-anchor="middle" x="320" y="-526.52" font-family="Times-Roman" font-size="14.00">Download</text>
+<text text-anchor="middle" x="1232" y="-808.02" font-family="Times-Roman" font-size="14.00">Download</text>
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+<text text-anchor="middle" x="787.5" y="-1280.52" font-family="Times-Roman" font-size="14.00">OptParse</text>
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 <title>cluster_3</title>
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-<text text-anchor="middle" x="714" y="-561.22" font-family="Times-Roman" font-size="14.00">Utils</text>
+<text text-anchor="middle" x="1286.5" y="-501.14" font-family="Times-Roman" font-size="14.00">Types</text>
 </g>
 <g id="clust5" class="cluster">
 <title>cluster_4</title>
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+<polygon fill="#000000" fill-opacity="0.058824" stroke="#000000" stroke-opacity="0.058824" points="586,-25.98 586,-701.44 1082,-701.44 1082,-25.98 586,-25.98"/>
-<text text-anchor="middle" x="699" y="-433.62" font-family="Times-Roman" font-size="14.00">File</text>
+<text text-anchor="middle" x="834" y="-686.24" font-family="Times-Roman" font-size="14.00">Utils</text>
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 <g id="clust6" class="cluster">
 <title>cluster_5</title>
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-<text text-anchor="middle" x="618" y="-95.61" font-family="Times-Roman" font-size="14.00">String</text>
+<text text-anchor="middle" x="803" y="-635.91" font-family="Times-Roman" font-size="14.00">File</text>
 </g>
 <g id="clust7" class="cluster">
 <title>cluster_6</title>
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-<text text-anchor="middle" x="747" y="-526.52" font-family="Times-Roman" font-size="14.00">Version</text>
+<text text-anchor="middle" x="1030" y="-145.55" font-family="Times-Roman" font-size="14.00">String</text>
+</g>
+<g id="clust8" class="cluster">
+<title>cluster_7</title>
+<polygon fill="#000000" fill-opacity="0.058824" stroke="#000000" stroke-opacity="0.058824" points="594,-529.33 594,-651.11 664,-651.11 664,-529.33 594,-529.33"/>
+<text text-anchor="middle" x="629" y="-635.91" font-family="Times-Roman" font-size="14.00">Version</text>
 </g>
 <!-- u1 -->
 <g id="node1" class="node">
 <title>u1</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="387" cy="-486.95" rx="55.49" ry="18"/>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="1165" cy="-743.99" rx="55.49" ry="18"/>
-<text text-anchor="middle" x="387" y="-483.25" font-family="Times-Roman" font-size="14.00">Download</text>
+<text text-anchor="middle" x="1165" y="-740.29" font-family="Times-Roman" font-size="14.00">Download</text>
 </g>
 <!-- u12 -->
-<g id="node7" class="node">
+<g id="node24" class="node">
 <title>u12</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="2" cx="688" cy="-393.95" rx="27" ry="18"/>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="2" cx="825" cy="-571.99" rx="27" ry="18"/>
-<text text-anchor="middle" x="688" y="-390.25" font-family="Times-Roman" font-size="14.00">File</text>
+<text text-anchor="middle" x="825" y="-568.29" font-family="Times-Roman" font-size="14.00">File</text>
 </g>
 <!-- u1&#45;&gt;u12 -->
-<g id="edge15" class="edge">
+<g id="edge13" class="edge">
 <title>u1&#45;&gt;u12</title>
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+<path fill="none" stroke="black" d="M1125,-731.45C1042,-707.49 858.55,-654.33 856,-651.99 841.25,-638.47 833.42,-617.06 829.33,-599.94"/>
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 </g>
 <!-- u11 -->
-<g id="node15" class="node">
+<g id="node32" class="node">
 <title>u11</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="603" cy="-393.95" rx="28.7" ry="18"/>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="1045" cy="-571.99" rx="28.7" ry="18"/>
-<text text-anchor="middle" x="603" y="-390.25" font-family="Times-Roman" font-size="14.00">Dirs</text>
+<text text-anchor="middle" x="1045" y="-568.29" font-family="Times-Roman" font-size="14.00">Dirs</text>
 </g>
 <!-- u1&#45;&gt;u11 -->
-<g id="edge14" class="edge">
+<g id="edge12" class="edge">
 <title>u1&#45;&gt;u11</title>
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+<polygon fill="black" stroke="black" points="1063.78,-595.29 1055.36,-588.87 1057.94,-599.14 1063.78,-595.29"/>
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 <!-- u13 -->
-<g id="node18" class="node">
+<g id="node35" class="node">
 <title>u13</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="109" cy="-300.95" rx="44.39" ry="18"/>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="1414" cy="-571.99" rx="44.39" ry="18"/>
-<text text-anchor="middle" x="109" y="-297.25" font-family="Times-Roman" font-size="14.00">Version</text>
+<text text-anchor="middle" x="1414" y="-568.29" font-family="Times-Roman" font-size="14.00">Version</text>
 </g>
 <!-- u1&#45;&gt;u13 -->
-<g id="edge13" class="edge">
+<g id="edge11" class="edge">
 <title>u1&#45;&gt;u13</title>
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+<path fill="none" stroke="black" d="M1206.8,-732.08C1250.56,-718.96 1319.26,-693.39 1366,-651.99 1382.37,-637.49 1394.91,-616.04 1403.06,-599.16"/>
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+<polygon fill="black" stroke="black" points="1406.35,-600.37 1407.35,-589.82 1399.99,-597.45 1406.35,-600.37"/>
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 <!-- u17 -->
 <g id="node2" class="node">
 <title>u17</title>
-<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="332" cy="-393.95" rx="30.59" ry="18"/>
+<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="1267" cy="-571.99" rx="30.59" ry="18"/>
-<text text-anchor="middle" x="332" y="-390.25" font-family="Times-Roman" font-size="14.00">Utils</text>
+<text text-anchor="middle" x="1267" y="-568.29" font-family="Times-Roman" font-size="14.00">Utils</text>
 </g>
 <!-- u5 -->
-<g id="node6" class="node">
+<g id="node23" class="node">
 <title>u5</title>
-<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="410" cy="-300.95" rx="33.6" ry="18"/>
+<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="1238" cy="-436.99" rx="33.6" ry="18"/>
-<text text-anchor="middle" x="410" y="-297.25" font-family="Times-Roman" font-size="14.00">JSON</text>
+<text text-anchor="middle" x="1238" y="-433.29" font-family="Times-Roman" font-size="14.00">JSON</text>
 </g>
 <!-- u17&#45;&gt;u5 -->
-<g id="edge16" class="edge">
+<g id="edge14" class="edge">
 <title>u17&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M345.23,-377.52C357.37,-363.35 375.54,-342.16 389.55,-325.81"/>
+<path fill="none" stroke="black" d="M1263.27,-553.87C1258.35,-531.33 1249.65,-491.44 1243.86,-464.85"/>
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 <!-- u19 -->
 <g id="node3" class="node">
 <title>u19</title>
-<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="256" cy="-486.95" rx="57.69" ry="18"/>
+<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="1296" cy="-743.99" rx="57.69" ry="18"/>
-<text text-anchor="middle" x="256" y="-483.25" font-family="Times-Roman" font-size="14.00">IOStreams</text>
+<text text-anchor="middle" x="1296" y="-740.29" font-family="Times-Roman" font-size="14.00">IOStreams</text>
 </g>
 <!-- u19&#45;&gt;u17 -->
-<g id="edge17" class="edge">
+<g id="edge15" class="edge">
 <title>u19&#45;&gt;u17</title>
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+<path fill="none" stroke="black" d="M1293.06,-725.75C1288.01,-696.15 1277.65,-635.42 1271.63,-600.1"/>
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+<polygon fill="black" stroke="black" points="1275.04,-599.29 1269.9,-590.02 1268.14,-600.46 1275.04,-599.29"/>
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-<g id="node4" class="node">
-<title>u3</title>
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-<title>u4</title>
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-<g id="edge18" class="edge">
-<title>u4&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M335.19,-284.17C346.87,-272.78 362.8,-257.24 375.83,-244.55"/>
-<polygon fill="black" stroke="black" points="378.39,-246.94 383.11,-237.45 373.5,-241.92 378.39,-246.94"/>
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-<title>u6</title>
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-<text text-anchor="middle" x="638" y="-483.25" font-family="Times-Roman" font-size="14.00">MegaParsec</text>
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-<title>u5&#45;&gt;u6</title>
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-<title>u5&#45;&gt;u7</title>
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-<title>u9</title>
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-<g id="edge30" class="edge">
-<title>u12&#45;&gt;u9</title>
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-<title>u9&#45;&gt;u7</title>
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-<polygon fill="black" stroke="black" points="644.12,-242.24 634.48,-237.83 639.26,-247.29 644.12,-242.24"/>
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-<title>u10</title>
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-<title>u15</title>
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-<g id="edge22" class="edge">
-<title>u15&#45;&gt;u12</title>
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-<g id="edge21" class="edge">
-<title>u15&#45;&gt;u11</title>
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-<title>u6&#45;&gt;u3</title>
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-<title>u7&#45;&gt;u8</title>
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-<!-- u8&#45;&gt;u4 -->
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-<!-- u8&#45;&gt;u9 -->
-<g id="edge27" class="edge">
-<title>u8&#45;&gt;u9</title>
-<path fill="none" stroke="black" stroke-dasharray="5,2" d="M637.21,-156.09C648.59,-166.01 662.41,-179.89 671,-194.95 684.9,-219.32 692.1,-250.8 695.69,-272.91"/>
-<polygon fill="black" stroke="black" points="692.25,-273.56 697.18,-282.94 699.17,-272.53 692.25,-273.56"/>
-</g>
-<!-- u8&#45;&gt;u10 -->
-<g id="edge28" class="edge">
-<title>u8&#45;&gt;u10</title>
-<path fill="none" stroke="black" d="M618,-121.56C618,-110.73 618,-96.56 618,-84.25"/>
-<polygon fill="black" stroke="black" points="621.5,-84.04 618,-74.04 614.5,-84.04 621.5,-84.04"/>
-</g>
-<!-- u11&#45;&gt;u5 -->
-<g id="edge29" class="edge">
-<title>u11&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M575.99,-387.58C537.44,-379.55 469,-363.89 448,-349.95 439.06,-344.02 431.26,-335.31 425.1,-326.92"/>
-<polygon fill="black" stroke="black" points="427.82,-324.71 419.28,-318.44 422.05,-328.67 427.82,-324.71"/>
-</g>
-<!-- u0 -->
-<g id="node16" class="node">
-<title>u0</title>
-<ellipse fill="#bbffbb" stroke="black" stroke-width="2" cx="627" cy="-605.95" rx="42.49" ry="18"/>
-<text text-anchor="middle" x="627" y="-602.25" font-family="Times-Roman" font-size="14.00">GHCup</text>
-</g>
-<!-- u0&#45;&gt;u1 -->
-<g id="edge4" class="edge">
-<title>u0&#45;&gt;u1</title>
-<path fill="none" stroke="black" d="M584.67,-604.4C545.83,-602.07 488.09,-593.82 446,-566.95 425.91,-554.13 410.22,-531.89 400.09,-514.27"/>
-<polygon fill="black" stroke="black" points="402.91,-512.13 395.04,-505.04 396.77,-515.5 402.91,-512.13"/>
-</g>
-<!-- u0&#45;&gt;u16 -->
-<g id="edge6" class="edge">
-<title>u0&#45;&gt;u16</title>
-<path fill="none" stroke="black" d="M663.33,-596.57C681.18,-590.83 701.84,-581.54 716,-566.95 729.77,-552.77 737.62,-531.76 741.97,-514.97"/>
-<polygon fill="black" stroke="black" points="745.4,-515.69 744.26,-505.16 738.58,-514.11 745.4,-515.69"/>
-</g>
-<!-- u0&#45;&gt;u15 -->
-<g id="edge5" class="edge">
-<title>u0&#45;&gt;u15</title>
-<path fill="none" stroke="black" d="M669.23,-604.64C704.08,-602.27 753,-593.85 786,-566.95 801.95,-553.96 811.39,-532.52 816.74,-515.25"/>
-<polygon fill="black" stroke="black" points="820.24,-515.72 819.56,-505.15 813.5,-513.84 820.24,-515.72"/>
-</g>
-<!-- u14 -->
-<g id="node19" class="node">
-<title>u14</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="508" cy="-486.95" rx="48.19" ry="18"/>
-<text text-anchor="middle" x="508" y="-483.25" font-family="Times-Roman" font-size="14.00">Platform</text>
-</g>
-<!-- u0&#45;&gt;u14 -->
-<g id="edge3" class="edge">
-<title>u0&#45;&gt;u14</title>
-<path fill="none" stroke="black" d="M599.25,-592.23C586.98,-585.76 572.9,-577.11 562,-566.95 545.64,-551.71 531.56,-530.66 521.88,-514.12"/>
-<polygon fill="black" stroke="black" points="524.68,-511.96 516.71,-504.98 518.59,-515.41 524.68,-511.96"/>
-</g>
-<!-- u2&#45;&gt;u3 -->
-<g id="edge7" class="edge">
-<title>u2&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M498.37,-286.01C479.01,-273.53 450.45,-255.12 428.91,-241.23"/>
-<polygon fill="black" stroke="black" points="430.75,-238.25 420.45,-235.78 426.95,-244.14 430.75,-238.25"/>
-</g>
-<!-- u13&#45;&gt;u3 -->
-<g id="edge8" class="edge">
-<title>u13&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M144.85,-290.31C198.89,-275.78 300.93,-248.33 357.9,-233.01"/>
-<polygon fill="black" stroke="black" points="358.91,-236.36 367.66,-230.38 357.09,-229.6 358.91,-236.36"/>
-</g>
-<!-- u14&#45;&gt;u5 -->
-<g id="edge9" class="edge">
-<title>u14&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M492.36,-469.49C485.88,-461.9 478.78,-452.48 474,-442.95 458.54,-412.12 468.2,-399.39 454,-367.95 447.34,-353.21 437.53,-338.1 428.85,-326.06"/>
-<polygon fill="black" stroke="black" points="431.57,-323.84 422.81,-317.89 425.94,-328.01 431.57,-323.84"/>
-</g>
-<!-- u14&#45;&gt;u12 -->
-<g id="edge10" class="edge">
-<title>u14&#45;&gt;u12</title>
-<path fill="none" stroke="black" d="M534.95,-471.89C543.43,-467.9 552.95,-463.86 562,-460.95 602.92,-447.83 621.35,-466.95 657,-442.95 665.13,-437.48 671.61,-429.08 676.49,-420.83"/>
-<polygon fill="black" stroke="black" points="679.72,-422.21 681.33,-411.74 673.54,-418.92 679.72,-422.21"/>
-</g>
-<!-- u18 -->
-<g id="node20" class="node">
-<title>u18</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="109" cy="-393.95" rx="73.39" ry="18"/>
-<text text-anchor="middle" x="109" y="-390.25" font-family="Times-Roman" font-size="14.00">Requirements</text>
-</g>
-<!-- u18&#45;&gt;u5 -->
-<g id="edge12" class="edge">
-<title>u18&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M147.73,-378.58C159.84,-374.58 173.34,-370.6 186,-367.95 265.56,-351.31 295.73,-387.15 368,-349.95 378.45,-344.58 387.45,-335.41 394.41,-326.53"/>
-<polygon fill="black" stroke="black" points="397.39,-328.37 400.44,-318.22 391.73,-324.26 397.39,-328.37"/>
-</g>
-<!-- u18&#45;&gt;u13 -->
-<g id="edge11" class="edge">
-<title>u18&#45;&gt;u13</title>
-<path fill="none" stroke="black" d="M109,-375.84C109,-362.75 109,-344.43 109,-329.32"/>
-<polygon fill="black" stroke="black" points="112.5,-328.99 109,-318.99 105.5,-328.99 112.5,-328.99"/>
-</g>
-<!-- u20 -->
-<g id="node21" class="node">
-<title>u20</title>
-<ellipse fill="#bbffbb" stroke="black" stroke-width="0" cx="627" cy="-769.95" rx="32.49" ry="18"/>
-<text text-anchor="middle" x="627" y="-766.25" font-family="Times-Roman" font-size="14.00">Main</text>
 </g>
 <!-- u21 -->
-<g id="node22" class="node">
+<g id="node4" class="node">
 <title>u21</title>
-<ellipse fill="#bbffbb" stroke="black" stroke-width="0" cx="627" cy="-689.95" rx="46.29" ry="18"/>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="742" cy="-1215.99" rx="51.99" ry="18"/>
-<text text-anchor="middle" x="627" y="-686.25" font-family="Times-Roman" font-size="14.00">Validate</text>
+<text text-anchor="middle" x="742" y="-1212.29" font-family="Times-Roman" font-size="14.00">OptParse</text>
+</g>
+<!-- u23 -->
+<g id="node6" class="node">
+<title>u23</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="846" cy="-1098.99" rx="38.19" ry="18"/>
+<text text-anchor="middle" x="846" y="-1095.29" font-family="Times-Roman" font-size="14.00">Install</text>
+</g>
+<!-- u21&#45;&gt;u23 -->
+<g id="edge16" class="edge">
+<title>u21&#45;&gt;u23</title>
+<path fill="none" stroke="black" d="M756.9,-1198.51C774.61,-1178.93 804.29,-1146.11 824.49,-1123.77"/>
+<polygon fill="black" stroke="black" points="827.35,-1125.83 831.46,-1116.07 822.16,-1121.13 827.35,-1125.83"/>
+</g>
+<!-- u24 -->
+<g id="node7" class="node">
+<title>u24</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="929" cy="-1098.99" rx="27" ry="18"/>
+<text text-anchor="middle" x="929" y="-1095.29" font-family="Times-Roman" font-size="14.00">Set</text>
+</g>
+<!-- u21&#45;&gt;u24 -->
+<g id="edge17" class="edge">
+<title>u21&#45;&gt;u24</title>
+<path fill="none" stroke="black" d="M766.45,-1199.96C801.13,-1178.63 864.45,-1139.69 900.98,-1117.22"/>
+<polygon fill="black" stroke="black" points="902.97,-1120.1 909.66,-1111.88 899.31,-1114.14 902.97,-1120.1"/>
+</g>
+<!-- u25 -->
+<g id="node8" class="node">
+<title>u25</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1197" cy="-1098.99" rx="38.19" ry="18"/>
+<text text-anchor="middle" x="1197" y="-1095.29" font-family="Times-Roman" font-size="14.00">UnSet</text>
+</g>
+<!-- u21&#45;&gt;u25 -->
+<g id="edge18" class="edge">
+<title>u21&#45;&gt;u25</title>
+<path fill="none" stroke="black" d="M785.46,-1206.08C860.33,-1190.39 1018.18,-1155.79 1149,-1116.99 1152.09,-1116.07 1155.28,-1115.07 1158.47,-1114.03"/>
+<polygon fill="black" stroke="black" points="1159.62,-1117.34 1167.97,-1110.82 1157.37,-1110.7 1159.62,-1117.34"/>
+</g>
+<!-- u26 -->
+<g id="node9" class="node">
+<title>u26</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1001" cy="-1098.99" rx="27" ry="18"/>
+<text text-anchor="middle" x="1001" y="-1095.29" font-family="Times-Roman" font-size="14.00">Rm</text>
+</g>
+<!-- u21&#45;&gt;u26 -->
+<g id="edge19" class="edge">
+<title>u21&#45;&gt;u26</title>
+<path fill="none" stroke="black" d="M773.51,-1201.46C816.81,-1182.8 897.08,-1147.94 965,-1116.99 966.79,-1116.17 968.63,-1115.33 970.49,-1114.47"/>
+<polygon fill="black" stroke="black" points="972.15,-1117.56 979.72,-1110.15 969.18,-1111.21 972.15,-1117.56"/>
+</g>
+<!-- u27 -->
+<g id="node10" class="node">
+<title>u27</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1093" cy="-1098.99" rx="47.39" ry="18"/>
+<text text-anchor="middle" x="1093" y="-1095.29" font-family="Times-Roman" font-size="14.00">Compile</text>
+</g>
+<!-- u21&#45;&gt;u27 -->
+<g id="edge20" class="edge">
+<title>u21&#45;&gt;u27</title>
+<path fill="none" stroke="black" d="M778.57,-1203.01C843.42,-1181.76 978.33,-1137.56 1048.47,-1114.58"/>
+<polygon fill="black" stroke="black" points="1049.92,-1117.79 1058.34,-1111.35 1047.74,-1111.13 1049.92,-1117.79"/>
+</g>
+<!-- u28 -->
+<g id="node11" class="node">
+<title>u28</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="64" cy="-1098.99" rx="40.09" ry="18"/>
+<text text-anchor="middle" x="64" y="-1095.29" font-family="Times-Roman" font-size="14.00">Config</text>
+</g>
+<!-- u21&#45;&gt;u28 -->
+<g id="edge21" class="edge">
+<title>u21&#45;&gt;u28</title>
+<path fill="none" stroke="black" d="M692.47,-1210.33C585.48,-1199.59 325.33,-1169.91 113,-1116.99 109.85,-1116.21 106.62,-1115.31 103.4,-1114.34"/>
+<polygon fill="black" stroke="black" points="104.39,-1110.98 93.8,-1111.28 102.27,-1117.65 104.39,-1110.98"/>
+</g>
+<!-- u29 -->
+<g id="node12" class="node">
+<title>u29</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="415" cy="-1098.99" rx="46.59" ry="18"/>
+<text text-anchor="middle" x="415" y="-1095.29" font-family="Times-Roman" font-size="14.00">Whereis</text>
+</g>
+<!-- u21&#45;&gt;u29 -->
+<g id="edge22" class="edge">
+<title>u21&#45;&gt;u29</title>
+<path fill="none" stroke="black" d="M706.69,-1202.57C646.37,-1181.36 523.67,-1138.21 458.29,-1115.21"/>
+<polygon fill="black" stroke="black" points="459.28,-1111.85 448.69,-1111.84 456.96,-1118.46 459.28,-1111.85"/>
+</g>
+<!-- u30 -->
+<g id="node13" class="node">
+<title>u30</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="507" cy="-1098.99" rx="27" ry="18"/>
+<text text-anchor="middle" x="507" y="-1095.29" font-family="Times-Roman" font-size="14.00">List</text>
+</g>
+<!-- u21&#45;&gt;u30 -->
+<g id="edge23" class="edge">
+<title>u21&#45;&gt;u30</title>
+<path fill="none" stroke="black" d="M713.18,-1200.89C668.44,-1178.99 582.69,-1137.03 537.15,-1114.75"/>
+<polygon fill="black" stroke="black" points="538.6,-1111.55 528.07,-1110.3 535.52,-1117.84 538.6,-1111.55"/>
+</g>
+<!-- u31 -->
+<g id="node14" class="node">
+<title>u31</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1303" cy="-1098.99" rx="50.09" ry="18"/>
+<text text-anchor="middle" x="1303" y="-1095.29" font-family="Times-Roman" font-size="14.00">Upgrade</text>
+</g>
+<!-- u21&#45;&gt;u31 -->
+<g id="edge24" class="edge">
+<title>u21&#45;&gt;u31</title>
+<path fill="none" stroke="black" d="M787.97,-1207.41C876.68,-1192.47 1077.4,-1157.17 1244,-1116.99 1248.02,-1116.02 1252.18,-1114.95 1256.34,-1113.84"/>
+<polygon fill="black" stroke="black" points="1257.28,-1117.21 1265.99,-1111.19 1255.42,-1110.46 1257.28,-1117.21"/>
+</g>
+<!-- u32 -->
+<g id="node15" class="node">
+<title>u32</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="614" cy="-1098.99" rx="61.99" ry="18"/>
+<text text-anchor="middle" x="614" y="-1095.29" font-family="Times-Roman" font-size="14.00">ChangeLog</text>
+</g>
+<!-- u21&#45;&gt;u32 -->
+<g id="edge25" class="edge">
+<title>u21&#45;&gt;u32</title>
+<path fill="none" stroke="black" d="M724.2,-1199C702.26,-1179.29 664.8,-1145.63 639.73,-1123.11"/>
+<polygon fill="black" stroke="black" points="641.84,-1120.29 632.06,-1116.21 637.16,-1125.5 641.84,-1120.29"/>
+</g>
+<!-- u33 -->
+<g id="node16" class="node">
+<title>u33</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="742" cy="-1098.99" rx="48.19" ry="18"/>
+<text text-anchor="middle" x="742" y="-1095.29" font-family="Times-Roman" font-size="14.00">Prefetch</text>
+</g>
+<!-- u21&#45;&gt;u33 -->
+<g id="edge26" class="edge">
+<title>u21&#45;&gt;u33</title>
+<path fill="none" stroke="black" d="M742,-1197.52C742,-1178.93 742,-1149.23 742,-1127.49"/>
+<polygon fill="black" stroke="black" points="745.5,-1127.24 742,-1117.24 738.5,-1127.24 745.5,-1127.24"/>
+</g>
+<!-- u34 -->
+<g id="node17" class="node">
+<title>u34</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="235" cy="-1098.99" rx="27" ry="18"/>
+<text text-anchor="middle" x="235" y="-1095.29" font-family="Times-Roman" font-size="14.00">GC</text>
+</g>
+<!-- u21&#45;&gt;u34 -->
+<g id="edge27" class="edge">
+<title>u21&#45;&gt;u34</title>
+<path fill="none" stroke="black" d="M694.23,-1208.86C608.04,-1196.96 421.48,-1167.38 271,-1116.99 269.08,-1116.35 267.13,-1115.63 265.19,-1114.86"/>
+<polygon fill="black" stroke="black" points="266.16,-1111.47 255.6,-1110.73 263.4,-1117.9 266.16,-1111.47"/>
+</g>
+<!-- u35 -->
+<g id="node18" class="node">
+<title>u35</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="315" cy="-1098.99" rx="35.19" ry="18"/>
+<text text-anchor="middle" x="315" y="-1095.29" font-family="Times-Roman" font-size="14.00">DInfo</text>
+</g>
+<!-- u21&#45;&gt;u35 -->
+<g id="edge28" class="edge">
+<title>u21&#45;&gt;u35</title>
+<path fill="none" stroke="black" d="M699.03,-1205.74C627.68,-1189.99 480.59,-1155.89 359,-1116.99 356.46,-1116.18 353.84,-1115.29 351.23,-1114.37"/>
+<polygon fill="black" stroke="black" points="352.41,-1111.08 341.81,-1110.93 350,-1117.65 352.41,-1111.08"/>
+</g>
+<!-- u36 -->
+<g id="node19" class="node">
+<title>u36</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1461" cy="-1098.99" rx="90.18" ry="18"/>
+<text text-anchor="middle" x="1461" y="-1095.29" font-family="Times-Roman" font-size="14.00">ToolRequirements</text>
+</g>
+<!-- u21&#45;&gt;u36 -->
+<g id="edge29" class="edge">
+<title>u21&#45;&gt;u36</title>
+<path fill="none" stroke="black" d="M788.7,-1207.83C892.07,-1191.92 1148.03,-1152.27 1362,-1116.99 1369.56,-1115.74 1377.44,-1114.42 1385.32,-1113.09"/>
+<polygon fill="black" stroke="black" points="1385.98,-1116.53 1395.25,-1111.41 1384.81,-1109.63 1385.98,-1116.53"/>
+</g>
+<!-- u37 -->
+<g id="node20" class="node">
+<title>u37</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="156" cy="-1098.99" rx="33.6" ry="18"/>
+<text text-anchor="middle" x="156" y="-1095.29" font-family="Times-Roman" font-size="14.00">Nuke</text>
+</g>
+<!-- u21&#45;&gt;u37 -->
+<g id="edge30" class="edge">
+<title>u21&#45;&gt;u37</title>
+<path fill="none" stroke="black" d="M693.33,-1209.49C597.41,-1197.93 377.73,-1167.91 199,-1116.99 196.41,-1116.25 193.76,-1115.42 191.12,-1114.52"/>
+<polygon fill="black" stroke="black" points="192.23,-1111.2 181.64,-1111.08 189.84,-1117.78 192.23,-1111.2"/>
+</g>
+<!-- u22 -->
+<g id="node5" class="node">
+<title>u22</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="742" cy="-981.99" rx="51.19" ry="18"/>
+<text text-anchor="middle" x="742" y="-978.29" font-family="Times-Roman" font-size="14.00">Common</text>
+</g>
+<!-- u0 -->
+<g id="node33" class="node">
+<title>u0</title>
+<ellipse fill="#bbffbb" stroke="black" stroke-width="2" cx="705" cy="-864.99" rx="42.49" ry="18"/>
+<text text-anchor="middle" x="705" y="-861.29" font-family="Times-Roman" font-size="14.00">GHCup</text>
+</g>
+<!-- u22&#45;&gt;u0 -->
+<g id="edge31" class="edge">
+<title>u22&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M736.54,-964.02C730.5,-945.25 720.69,-914.76 713.61,-892.76"/>
+<polygon fill="black" stroke="black" points="716.88,-891.48 710.48,-883.03 710.21,-893.62 716.88,-891.48"/>
+</g>
+<!-- u23&#45;&gt;u22 -->
+<g id="edge32" class="edge">
+<title>u23&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M831.54,-1082C813.97,-1062.57 784.14,-1029.59 763.78,-1007.08"/>
+<polygon fill="black" stroke="black" points="766.31,-1004.66 757.01,-999.59 761.12,-1009.35 766.31,-1004.66"/>
+</g>
+<!-- u24&#45;&gt;u22 -->
+<g id="edge33" class="edge">
+<title>u24&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M909.69,-1086.12C877.99,-1066.62 814.52,-1027.58 775.4,-1003.53"/>
+<polygon fill="black" stroke="black" points="776.84,-1000.31 766.49,-998.05 773.18,-1006.27 776.84,-1000.31"/>
+</g>
+<!-- u25&#45;&gt;u0 -->
+<g id="edge34" class="edge">
+<title>u25&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M1170.9,-1085.68C1088.88,-1047.01 836.24,-927.88 741.44,-883.17"/>
+<polygon fill="black" stroke="black" points="742.78,-879.94 732.24,-878.84 739.8,-886.27 742.78,-879.94"/>
+</g>
+<!-- u26&#45;&gt;u22 -->
+<g id="edge35" class="edge">
+<title>u26&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M979.72,-1087.83C974.89,-1085.55 969.78,-1083.17 965,-1080.99 901.54,-1052.07 827.31,-1019.75 782.51,-1000.4"/>
+<polygon fill="black" stroke="black" points="783.71,-997.11 773.14,-996.36 780.94,-1003.53 783.71,-997.11"/>
+</g>
+<!-- u27&#45;&gt;u22 -->
+<g id="edge36" class="edge">
+<title>u27&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M1058.38,-1086.65C994.71,-1065.79 859,-1021.32 787.79,-997.99"/>
+<polygon fill="black" stroke="black" points="788.78,-994.63 778.19,-994.85 786.6,-1001.29 788.78,-994.63"/>
+</g>
+<!-- u15 -->
+<g id="node28" class="node">
+<title>u15</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="705" cy="-571.99" rx="30.59" ry="18"/>
+<text text-anchor="middle" x="705" y="-568.29" font-family="Times-Roman" font-size="14.00">Utils</text>
+</g>
+<!-- u28&#45;&gt;u15 -->
+<g id="edge37" class="edge">
+<title>u28&#45;&gt;u15</title>
+<path fill="none" stroke="black" d="M67.99,-1080.83C82.87,-1020.89 141.11,-819.44 271,-725.99 416.7,-621.17 526.05,-761.83 668,-651.99 684.52,-639.21 693.98,-617.26 699.19,-599.74"/>
+<polygon fill="black" stroke="black" points="702.58,-600.61 701.79,-590.04 695.82,-598.8 702.58,-600.61"/>
+</g>
+<!-- u29&#45;&gt;u22 -->
+<g id="edge38" class="edge">
+<title>u29&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M448.46,-1086.22C507.6,-1065.42 630.64,-1022.15 697.09,-998.78"/>
+<polygon fill="black" stroke="black" points="698.59,-1001.97 706.86,-995.35 696.27,-995.36 698.59,-1001.97"/>
+</g>
+<!-- u30&#45;&gt;u22 -->
+<g id="edge39" class="edge">
+<title>u30&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M528.27,-1087.58C568.07,-1068.1 654.29,-1025.91 704.21,-1001.48"/>
+<polygon fill="black" stroke="black" points="705.94,-1004.53 713.38,-996.99 702.86,-998.25 705.94,-1004.53"/>
+</g>
+<!-- u31&#45;&gt;u0 -->
+<g id="edge40" class="edge">
+<title>u31&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M1271.29,-1084.99C1209.35,-1059.66 1067.86,-1002.15 948,-955.99 877.11,-928.69 794.01,-898.24 745.65,-880.68"/>
+<polygon fill="black" stroke="black" points="746.76,-877.36 736.17,-877.24 744.37,-883.94 746.76,-877.36"/>
+</g>
+<!-- u32&#45;&gt;u22 -->
+<g id="edge41" class="edge">
+<title>u32&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M632.07,-1081.76C654.08,-1061.98 691.42,-1028.44 716.39,-1006"/>
+<polygon fill="black" stroke="black" points="718.92,-1008.43 724.02,-999.14 714.25,-1003.22 718.92,-1008.43"/>
+</g>
+<!-- u33&#45;&gt;u22 -->
+<g id="edge42" class="edge">
+<title>u33&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M742,-1080.52C742,-1061.93 742,-1032.23 742,-1010.49"/>
+<polygon fill="black" stroke="black" points="745.5,-1010.24 742,-1000.24 738.5,-1010.24 745.5,-1010.24"/>
+</g>
+<!-- u34&#45;&gt;u0 -->
+<g id="edge43" class="edge">
+<title>u34&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M253.73,-1086.02C294.34,-1060.34 393.93,-998.82 482,-955.99 543.91,-925.88 618.59,-897.22 663.9,-880.63"/>
+<polygon fill="black" stroke="black" points="665.18,-883.89 673.38,-877.18 662.79,-877.31 665.18,-883.89"/>
+</g>
+<!-- u35&#45;&gt;u0 -->
+<g id="edge44" class="edge">
+<title>u35&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M337.09,-1084.85C402.43,-1045.98 595.06,-931.39 672.36,-885.41"/>
+<polygon fill="black" stroke="black" points="674.39,-888.27 681.2,-880.15 670.81,-882.25 674.39,-888.27"/>
+</g>
+<!-- u14 -->
+<g id="node36" class="node">
+<title>u14</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="934" cy="-743.99" rx="48.19" ry="18"/>
+<text text-anchor="middle" x="934" y="-740.29" font-family="Times-Roman" font-size="14.00">Platform</text>
+</g>
+<!-- u36&#45;&gt;u14 -->
+<g id="edge45" class="edge">
+<title>u36&#45;&gt;u14</title>
+<path fill="none" stroke="black" d="M1436.29,-1081.44C1349.76,-1023.48 1060.5,-829.72 964.94,-765.71"/>
+<polygon fill="black" stroke="black" points="966.82,-762.76 956.56,-760.1 962.93,-768.58 966.82,-762.76"/>
+</g>
+<!-- u18 -->
+<g id="node37" class="node">
+<title>u18</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="1461" cy="-743.99" rx="73.39" ry="18"/>
+<text text-anchor="middle" x="1461" y="-740.29" font-family="Times-Roman" font-size="14.00">Requirements</text>
+</g>
+<!-- u36&#45;&gt;u18 -->
+<g id="edge46" class="edge">
+<title>u36&#45;&gt;u18</title>
+<path fill="none" stroke="black" d="M1461,-1080.96C1461,-1024.36 1461,-842.13 1461,-772.44"/>
+<polygon fill="black" stroke="black" points="1464.5,-772.26 1461,-762.26 1457.5,-772.26 1464.5,-772.26"/>
+</g>
+<!-- u37&#45;&gt;u0 -->
+<g id="edge47" class="edge">
+<title>u37&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M175.44,-1084.01C214.9,-1056.2 307.95,-993.37 394,-955.99 483.86,-916.95 595.52,-889.35 657.64,-875.71"/>
+<polygon fill="black" stroke="black" points="658.52,-879.1 667.55,-873.56 657.03,-872.26 658.52,-879.1"/>
+</g>
+<!-- u3 -->
+<g id="node21" class="node">
+<title>u3</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="1257" cy="-319.99" rx="36.29" ry="18"/>
+<text text-anchor="middle" x="1257" y="-316.29" font-family="Times-Roman" font-size="14.00">Types</text>
+</g>
+<!-- u4 -->
+<g id="node22" class="node">
+<title>u4</title>
+<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="1329" cy="-436.99" rx="39.79" ry="18"/>
+<text text-anchor="middle" x="1329" y="-433.29" font-family="Times-Roman" font-size="14.00">Optics</text>
+</g>
+<!-- u4&#45;&gt;u3 -->
+<g id="edge48" class="edge">
+<title>u4&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M1318.68,-419.51C1306.65,-400.3 1286.64,-368.33 1272.68,-346.04"/>
+<polygon fill="black" stroke="black" points="1275.57,-344.05 1267.3,-337.44 1269.64,-347.77 1275.57,-344.05"/>
+</g>
+<!-- u6 -->
+<g id="node29" class="node">
+<title>u6</title>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="934" cy="-571.99" rx="64.19" ry="18"/>
+<text text-anchor="middle" x="934" y="-568.29" font-family="Times-Roman" font-size="14.00">MegaParsec</text>
+</g>
+<!-- u5&#45;&gt;u6 -->
+<g id="edge49" class="edge">
+<title>u5&#45;&gt;u6</title>
+<path fill="none" stroke="black" d="M1225.64,-453.75C1216.72,-464.19 1203.86,-477.47 1190,-485.99 1117.08,-530.81 1088.16,-518.79 1007,-545.99 999.06,-548.65 990.64,-551.5 982.45,-554.3"/>
+<polygon fill="black" stroke="black" points="981.32,-550.99 972.99,-557.53 983.58,-557.61 981.32,-550.99"/>
+</g>
+<!-- u7 -->
+<g id="node30" class="node">
+<title>u7</title>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="1030" cy="-319.99" rx="44.39" ry="18"/>
+<text text-anchor="middle" x="1030" y="-316.29" font-family="Times-Roman" font-size="14.00">Prelude</text>
+</g>
+<!-- u5&#45;&gt;u7 -->
+<g id="edge50" class="edge">
+<title>u5&#45;&gt;u7</title>
+<path fill="none" stroke="black" d="M1218.11,-422.39C1212.34,-418.59 1205.98,-414.53 1200,-410.99 1154.95,-384.33 1101.33,-356.57 1066.52,-339.06"/>
+<polygon fill="black" stroke="black" points="1067.74,-335.75 1057.23,-334.4 1064.6,-342.01 1067.74,-335.75"/>
+</g>
+<!-- u9 -->
+<g id="node25" class="node">
+<title>u9</title>
+<ellipse fill="#77ff77" stroke="black" stroke-width="0" cx="803" cy="-436.99" rx="51.19" ry="18"/>
+<text text-anchor="middle" x="803" y="-433.29" font-family="Times-Roman" font-size="14.00">Common</text>
+</g>
+<!-- u12&#45;&gt;u9 -->
+<g id="edge59" class="edge">
+<title>u12&#45;&gt;u9</title>
+<path fill="none" stroke="black" d="M822.17,-553.87C818.46,-531.43 811.9,-491.79 807.5,-465.2"/>
+<polygon fill="black" stroke="black" points="810.91,-464.33 805.82,-455.04 804,-465.48 810.91,-464.33"/>
+</g>
+<!-- u9&#45;&gt;u7 -->
+<g id="edge60" class="edge">
+<title>u9&#45;&gt;u7</title>
+<path fill="none" stroke="black" d="M831.29,-421.66C872.57,-400.75 949.27,-361.89 994.36,-339.05"/>
+<polygon fill="black" stroke="black" points="996.13,-342.07 1003.47,-334.43 992.97,-335.83 996.13,-342.07"/>
+</g>
+<!-- u10 -->
+<g id="node26" class="node">
+<title>u10</title>
+<ellipse fill="#ffff77" stroke="black" stroke-width="0" cx="1030" cy="-80.99" rx="27" ry="18"/>
+<text text-anchor="middle" x="1030" y="-77.29" font-family="Times-Roman" font-size="14.00">QQ</text>
+</g>
+<!-- u16 -->
+<g id="node27" class="node">
+<title>u16</title>
+<ellipse fill="#7777ff" stroke="black" stroke-width="0" cx="629" cy="-571.99" rx="27" ry="18"/>
+<text text-anchor="middle" x="629" y="-568.29" font-family="Times-Roman" font-size="14.00">QQ</text>
+</g>
+<!-- u15&#45;&gt;u1 -->
+<g id="edge51" class="edge">
+<title>u15&#45;&gt;u1</title>
+<path fill="none" stroke="black" d="M707.81,-589.96C711.74,-608.15 720.7,-636.49 740,-651.99 869.4,-755.91 944.8,-686.54 1106,-725.99 1109.21,-726.78 1112.51,-727.62 1115.82,-728.5"/>
+<polygon fill="black" stroke="black" points="1115.2,-731.95 1125.77,-731.2 1117.04,-725.2 1115.2,-731.95"/>
+</g>
+<!-- u6&#45;&gt;u3 -->
+<g id="edge52" class="edge">
+<title>u6&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M972.89,-557.62C1042.12,-533.81 1179.56,-486.5 1180,-485.99 1202.36,-460.38 1181.75,-442.3 1195,-410.99 1205.36,-386.51 1222.94,-361.88 1236.75,-344.58"/>
+<polygon fill="black" stroke="black" points="1239.56,-346.68 1243.17,-336.72 1234.13,-342.25 1239.56,-346.68"/>
+</g>
+<!-- u8 -->
+<g id="node31" class="node">
+<title>u8</title>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="1030" cy="-202.99" rx="42.49" ry="18"/>
+<text text-anchor="middle" x="1030" y="-199.29" font-family="Times-Roman" font-size="14.00">Logger</text>
+</g>
+<!-- u7&#45;&gt;u8 -->
+<g id="edge54" class="edge">
+<title>u7&#45;&gt;u8</title>
+<path fill="none" stroke="black" stroke-dasharray="5,2" d="M1030,-301.52C1030,-282.93 1030,-253.23 1030,-231.49"/>
+<polygon fill="black" stroke="black" points="1033.5,-231.24 1030,-221.24 1026.5,-231.24 1033.5,-231.24"/>
+</g>
+<!-- u2 -->
+<g id="node34" class="node">
+<title>u2</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="1128" cy="-436.99" rx="37.89" ry="18"/>
+<text text-anchor="middle" x="1128" y="-433.29" font-family="Times-Roman" font-size="14.00">Errors</text>
+</g>
+<!-- u7&#45;&gt;u2 -->
+<g id="edge53" class="edge">
+<title>u7&#45;&gt;u2</title>
+<path fill="none" stroke="black" d="M1043.83,-337.21C1060.5,-356.78 1088.66,-389.83 1107.78,-412.26"/>
+<polygon fill="black" stroke="black" points="1105.22,-414.66 1114.37,-420 1110.55,-410.12 1105.22,-414.66"/>
+</g>
+<!-- u8&#45;&gt;u4 -->
+<g id="edge55" class="edge">
+<title>u8&#45;&gt;u4</title>
+<path fill="none" stroke="black" d="M1072.08,-205.27C1132.49,-209.51 1242.99,-226.65 1302,-293.99 1329.81,-325.73 1332.74,-377.05 1331.47,-408.52"/>
+<polygon fill="black" stroke="black" points="1327.96,-408.58 1330.88,-418.77 1334.95,-408.98 1327.96,-408.58"/>
+</g>
+<!-- u8&#45;&gt;u9 -->
+<g id="edge56" class="edge">
+<title>u8&#45;&gt;u9</title>
+<path fill="none" stroke="black" stroke-dasharray="5,2" d="M1014.36,-219.98C975.12,-260.08 872.38,-365.08 826.14,-412.34"/>
+<polygon fill="black" stroke="black" points="823.45,-410.08 818.96,-419.68 828.46,-414.98 823.45,-410.08"/>
+</g>
+<!-- u8&#45;&gt;u10 -->
+<g id="edge57" class="edge">
+<title>u8&#45;&gt;u10</title>
+<path fill="none" stroke="black" d="M1030,-184.8C1030,-165.1 1030,-132.57 1030,-109.38"/>
+<polygon fill="black" stroke="black" points="1033.5,-109.15 1030,-99.15 1026.5,-109.15 1033.5,-109.15"/>
+</g>
+<!-- u11&#45;&gt;u5 -->
+<g id="edge58" class="edge">
+<title>u11&#45;&gt;u5</title>
+<path fill="none" stroke="black" d="M1062.1,-557.23C1067.11,-553.42 1072.68,-549.4 1078,-545.99 1125.54,-515.51 1144.66,-519.65 1190,-485.99 1199.71,-478.78 1209.34,-469.64 1217.41,-461.28"/>
+<polygon fill="black" stroke="black" points="1220.04,-463.58 1224.33,-453.89 1214.94,-458.8 1220.04,-463.58"/>
+</g>
+<!-- u0&#45;&gt;u16 -->
+<g id="edge4" class="edge">
+<title>u0&#45;&gt;u16</title>
+<path fill="none" stroke="black" d="M700.59,-847.09C687.91,-798.57 651.35,-658.57 635.96,-599.64"/>
+<polygon fill="black" stroke="black" points="639.34,-598.73 633.43,-589.94 632.57,-600.5 639.34,-598.73"/>
+</g>
+<!-- u0&#45;&gt;u15 -->
+<g id="edge3" class="edge">
+<title>u0&#45;&gt;u15</title>
+<path fill="none" stroke="black" d="M705,-846.66C705,-797.93 705,-659.45 705,-600.31"/>
+<polygon fill="black" stroke="black" points="708.5,-600.23 705,-590.23 701.5,-600.23 708.5,-600.23"/>
+</g>
+<!-- u0&#45;&gt;u14 -->
+<g id="edge2" class="edge">
+<title>u0&#45;&gt;u14</title>
+<path fill="none" stroke="black" d="M730.82,-850.57C771.64,-829.36 851.2,-788.02 897.73,-763.84"/>
+<polygon fill="black" stroke="black" points="899.59,-766.81 906.85,-759.1 896.37,-760.6 899.59,-766.81"/>
+</g>
+<!-- u2&#45;&gt;u3 -->
+<g id="edge5" class="edge">
+<title>u2&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M1145.13,-420.72C1167.39,-400.87 1206.44,-366.06 1232.01,-343.27"/>
+<polygon fill="black" stroke="black" points="1234.66,-345.59 1239.8,-336.32 1230.01,-340.37 1234.66,-345.59"/>
+</g>
+<!-- u13&#45;&gt;u3 -->
+<g id="edge6" class="edge">
+<title>u13&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M1413.93,-553.61C1413.03,-522.51 1407.48,-456.35 1378,-410.99 1356.72,-378.25 1319.17,-353.11 1291.53,-337.83"/>
+<polygon fill="black" stroke="black" points="1293.04,-334.67 1282.57,-333.03 1289.73,-340.84 1293.04,-334.67"/>
+</g>
+<!-- u14&#45;&gt;u5 -->
+<g id="edge7" class="edge">
+<title>u14&#45;&gt;u5</title>
+<path fill="none" stroke="black" d="M970.19,-731.9C1005.99,-718.88 1059.19,-693.62 1086,-651.99 1111.67,-612.13 1073.1,-586.34 1098,-545.99 1123.63,-504.44 1152.09,-516.75 1190,-485.99 1199.39,-478.37 1208.96,-469.15 1217.06,-460.83"/>
+<polygon fill="black" stroke="black" points="1219.67,-463.17 1224.04,-453.52 1214.6,-458.34 1219.67,-463.17"/>
+</g>
+<!-- u14&#45;&gt;u12 -->
+<g id="edge8" class="edge">
+<title>u14&#45;&gt;u12</title>
+<path fill="none" stroke="black" d="M917.2,-726.88C899.99,-709.65 873.37,-680.88 856,-651.99 846.1,-635.52 838.24,-615.33 832.91,-599.48"/>
+<polygon fill="black" stroke="black" points="836.18,-598.22 829.78,-589.77 829.52,-600.36 836.18,-598.22"/>
+</g>
+<!-- u18&#45;&gt;u5 -->
+<g id="edge10" class="edge">
+<title>u18&#45;&gt;u5</title>
+<path fill="none" stroke="black" d="M1467.83,-725.94C1481.37,-689.08 1507.02,-600.87 1467,-545.99 1415.57,-475.47 1352.95,-533.91 1280,-485.99 1270.56,-479.79 1261.98,-470.91 1255.06,-462.47"/>
+<polygon fill="black" stroke="black" points="1257.62,-460.06 1248.74,-454.29 1252.09,-464.34 1257.62,-460.06"/>
+</g>
+<!-- u18&#45;&gt;u13 -->
+<g id="edge9" class="edge">
+<title>u18&#45;&gt;u13</title>
+<path fill="none" stroke="black" d="M1456.23,-725.75C1448.05,-696.15 1431.26,-635.42 1421.5,-600.1"/>
+<polygon fill="black" stroke="black" points="1424.75,-598.72 1418.71,-590.02 1418,-600.59 1424.75,-598.72"/>
+</g>
+<!-- u20 -->
+<g id="node38" class="node">
+<title>u20</title>
+<ellipse fill="#bbffbb" stroke="black" stroke-width="0" cx="742" cy="-1387.99" rx="32.49" ry="18"/>
+<text text-anchor="middle" x="742" y="-1384.29" font-family="Times-Roman" font-size="14.00">Main</text>
 </g>
 <!-- u20&#45;&gt;u21 -->
 <g id="edge1" class="edge">
 <title>u20&#45;&gt;u21</title>
-<path fill="none" stroke="black" d="M627,-751.64C627,-741.85 627,-729.38 627,-718.29"/>
+<path fill="none" stroke="black" d="M742,-1369.75C742,-1340.15 742,-1279.42 742,-1244.1"/>
-<polygon fill="black" stroke="black" points="630.5,-718.22 627,-708.22 623.5,-718.22 630.5,-718.22"/>
+<polygon fill="black" stroke="black" points="745.5,-1244.02 742,-1234.02 738.5,-1244.02 745.5,-1244.02"/>
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-<!-- u21&#45;&gt;u0 -->
-<g id="edge2" class="edge">
-<title>u21&#45;&gt;u0</title>
-<path fill="none" stroke="black" d="M627,-671.56C627,-660.73 627,-646.56 627,-634.25"/>
-<polygon fill="black" stroke="black" points="630.5,-634.04 627,-624.04 623.5,-634.04 630.5,-634.04"/>
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docs/modules_wide.svg

@@ -4,363 +4,638 @@
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-<text text-anchor="middle" x="588.33" y="-574.8" font-family="Times-Roman" font-size="14.00">GHCup</text>
+<text text-anchor="middle" x="787.5" y="-882.17" font-family="Times-Roman" font-size="14.00">GHCup</text>
 </g>
 <g id="clust2" class="cluster">
 <title>cluster_1</title>
-<polygon fill="#000000" fill-opacity="0.058824" stroke="#000000" stroke-opacity="0.058824" points="254.63,-326 254.63,-484 603.08,-484 603.08,-326 254.63,-326"/>
+<polygon fill="#000000" fill-opacity="0.058824" stroke="#000000" stroke-opacity="0.058824" points="1102,-352.89 1102,-548.81 1362,-548.81 1362,-352.89 1102,-352.89"/>
-<text text-anchor="middle" x="428.85" y="-468.8" font-family="Times-Roman" font-size="14.00">Download</text>
+<text text-anchor="middle" x="1232" y="-533.61" font-family="Times-Roman" font-size="14.00">Download</text>
 </g>
 <g id="clust3" class="cluster">
 <title>cluster_2</title>
-<polygon fill="#000000" fill-opacity="0.058824" stroke="#000000" stroke-opacity="0.058824" points="363.19,-171 363.19,-318 605.76,-318 605.76,-171 363.19,-171"/>
+<polygon fill="#000000" fill-opacity="0.058824" stroke="#000000" stroke-opacity="0.058824" points="16,-626.75 16,-863.81 1559,-863.81 1559,-626.75 16,-626.75"/>
-<text text-anchor="middle" x="484.47" y="-302.8" font-family="Times-Roman" font-size="14.00">Types</text>
+<text text-anchor="middle" x="787.5" y="-848.61" font-family="Times-Roman" font-size="14.00">OptParse</text>
 </g>
 <g id="clust4" class="cluster">
 <title>cluster_3</title>
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+<polygon fill="#000000" fill-opacity="0.058824" stroke="#000000" stroke-opacity="0.058824" points="1196,-185.1 1196,-344.23 1377,-344.23 1377,-185.1 1196,-185.1"/>
-<text text-anchor="middle" x="956.88" y="-499.8" font-family="Times-Roman" font-size="14.00">Utils</text>
+<text text-anchor="middle" x="1286.5" y="-329.03" font-family="Times-Roman" font-size="14.00">Types</text>
 </g>
 <g id="clust5" class="cluster">
 <title>cluster_4</title>
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+<polygon fill="#000000" fill-opacity="0.058824" stroke="#000000" stroke-opacity="0.058824" points="586,-17.32 586,-467.63 1082,-467.63 1082,-17.32 586,-17.32"/>
-<text text-anchor="middle" x="936.78" y="-385.8" font-family="Times-Roman" font-size="14.00">File</text>
+<text text-anchor="middle" x="834" y="-452.43" font-family="Times-Roman" font-size="14.00">Utils</text>
 </g>
 <g id="clust6" class="cluster">
 <title>cluster_5</title>
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+<polygon fill="#000000" fill-opacity="0.058824" stroke="#000000" stroke-opacity="0.058824" points="744,-263.04 744,-434.07 862,-434.07 862,-263.04 744,-263.04"/>
-<text text-anchor="middle" x="828.22" y="-83.8" font-family="Times-Roman" font-size="14.00">String</text>
+<text text-anchor="middle" x="803" y="-418.87" font-family="Times-Roman" font-size="14.00">File</text>
 </g>
 <g id="clust7" class="cluster">
 <title>cluster_6</title>
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+<polygon fill="#000000" fill-opacity="0.058824" stroke="#000000" stroke-opacity="0.058824" points="995,-25.98 995,-107.16 1065,-107.16 1065,-25.98 995,-25.98"/>
-<text text-anchor="middle" x="1001.1" y="-468.8" font-family="Times-Roman" font-size="14.00">Version</text>
+<text text-anchor="middle" x="1030" y="-91.96" font-family="Times-Roman" font-size="14.00">String</text>
+</g>
+<g id="clust8" class="cluster">
+<title>cluster_7</title>
+<polygon fill="#000000" fill-opacity="0.058824" stroke="#000000" stroke-opacity="0.058824" points="594,-352.89 594,-434.07 664,-434.07 664,-352.89 594,-352.89"/>
+<text text-anchor="middle" x="629" y="-418.87" font-family="Times-Roman" font-size="14.00">Version</text>
 </g>
 <!-- u1 -->
 <g id="node1" class="node">
 <title>u1</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="518.39" cy="-435" rx="55.49" ry="18"/>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="1165" cy="-495.66" rx="55.49" ry="18"/>
-<text text-anchor="middle" x="518.39" y="-431.3" font-family="Times-Roman" font-size="14.00">Download</text>
+<text text-anchor="middle" x="1165" y="-491.96" font-family="Times-Roman" font-size="14.00">Download</text>
 </g>
 <!-- u12 -->
-<g id="node7" class="node">
+<g id="node24" class="node">
 <title>u12</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="2" cx="922.39" cy="-352" rx="27" ry="18"/>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="2" cx="825" cy="-380.66" rx="27" ry="18"/>
-<text text-anchor="middle" x="922.39" y="-348.3" font-family="Times-Roman" font-size="14.00">File</text>
+<text text-anchor="middle" x="825" y="-376.96" font-family="Times-Roman" font-size="14.00">File</text>
 </g>
 <!-- u1&#45;&gt;u12 -->
-<g id="edge15" class="edge">
+<g id="edge13" class="edge">
 <title>u1&#45;&gt;u12</title>
-<path fill="none" stroke="black" d="M546.79,-419.43C556.27,-415.25 567.06,-411.24 577.39,-409 594.44,-405.31 876.17,-409.54 891.39,-401 900.16,-396.08 906.84,-387.53 911.72,-379"/>
+<path fill="none" stroke="black" d="M1127.19,-482.48C1120.21,-480.6 1112.93,-478.88 1106,-477.66 1078.58,-472.83 878.46,-477.12 856,-460.66 839.51,-448.58 831.79,-426.38 828.17,-408.59"/>
-<polygon fill="black" stroke="black" points="914.92,-380.43 916.31,-369.92 908.67,-377.26 914.92,-380.43"/>
+<polygon fill="black" stroke="black" points="831.62,-407.99 826.49,-398.73 824.72,-409.17 831.62,-407.99"/>
 </g>
 <!-- u11 -->
-<g id="node15" class="node">
+<g id="node32" class="node">
 <title>u11</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="808.39" cy="-352" rx="28.7" ry="18"/>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="1045" cy="-380.66" rx="28.7" ry="18"/>
-<text text-anchor="middle" x="808.39" y="-348.3" font-family="Times-Roman" font-size="14.00">Dirs</text>
+<text text-anchor="middle" x="1045" y="-376.96" font-family="Times-Roman" font-size="14.00">Dirs</text>
 </g>
 <!-- u1&#45;&gt;u11 -->
-<g id="edge14" class="edge">
+<g id="edge12" class="edge">
 <title>u1&#45;&gt;u11</title>
-<path fill="none" stroke="black" d="M548.95,-419.93C557.99,-416.08 567.99,-412.11 577.39,-409 586.69,-405.92 709.34,-376.59 772.03,-361.65"/>
+<path fill="none" stroke="black" d="M1130.87,-481.48C1119.63,-476.1 1107.57,-469.13 1098,-460.66 1081.15,-445.74 1067.22,-424.32 1057.88,-407.55"/>
-<polygon fill="black" stroke="black" points="772.99,-365.02 781.91,-359.3 771.37,-358.21 772.99,-365.02"/>
+<polygon fill="black" stroke="black" points="1060.73,-405.46 1052.92,-398.3 1054.56,-408.76 1060.73,-405.46"/>
 </g>
 <!-- u13 -->
-<g id="node18" class="node">
+<g id="node35" class="node">
 <title>u13</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="146.39" cy="-269" rx="44.39" ry="18"/>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="1414" cy="-380.66" rx="44.39" ry="18"/>
-<text text-anchor="middle" x="146.39" y="-265.3" font-family="Times-Roman" font-size="14.00">Version</text>
+<text text-anchor="middle" x="1414" y="-376.96" font-family="Times-Roman" font-size="14.00">Version</text>
 </g>
 <!-- u1&#45;&gt;u13 -->
-<g id="edge13" class="edge">
+<g id="edge11" class="edge">
 <title>u1&#45;&gt;u13</title>
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+<path fill="none" stroke="black" d="M1205.09,-483.12C1212.97,-481.1 1221.21,-479.17 1229,-477.66 1259.12,-471.82 1340.24,-477.32 1366,-460.66 1384.87,-448.45 1397.46,-425.95 1405,-408.08"/>
-<polygon fill="black" stroke="black" points="108.39,-289.86 115.62,-282.11 105.14,-283.66 108.39,-289.86"/>
+<polygon fill="black" stroke="black" points="1408.27,-409.31 1408.67,-398.72 1401.76,-406.75 1408.27,-409.31"/>
 </g>
 <!-- u17 -->
 <g id="node2" class="node">
 <title>u17</title>
-<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="445.39" cy="-352" rx="30.59" ry="18"/>
+<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="1267" cy="-380.66" rx="30.59" ry="18"/>
-<text text-anchor="middle" x="445.39" y="-348.3" font-family="Times-Roman" font-size="14.00">Utils</text>
+<text text-anchor="middle" x="1267" y="-376.96" font-family="Times-Roman" font-size="14.00">Utils</text>
 </g>
 <!-- u5 -->
-<g id="node6" class="node">
+<g id="node23" class="node">
 <title>u5</title>
-<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="549.39" cy="-269" rx="33.6" ry="18"/>
+<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="1238" cy="-291.66" rx="33.6" ry="18"/>
-<text text-anchor="middle" x="549.39" y="-265.3" font-family="Times-Roman" font-size="14.00">JSON</text>
+<text text-anchor="middle" x="1238" y="-287.96" font-family="Times-Roman" font-size="14.00">JSON</text>
 </g>
 <!-- u17&#45;&gt;u5 -->
-<g id="edge16" class="edge">
+<g id="edge14" class="edge">
 <title>u17&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M463.03,-337.26C479.49,-324.44 504.26,-305.15 523.05,-290.51"/>
+<path fill="none" stroke="black" d="M1261.41,-362.89C1257.3,-350.57 1251.64,-333.58 1246.91,-319.4"/>
-<polygon fill="black" stroke="black" points="525.22,-293.26 530.96,-284.35 520.92,-287.74 525.22,-293.26"/>
+<polygon fill="black" stroke="black" points="1250.16,-318.06 1243.67,-309.68 1243.52,-320.27 1250.16,-318.06"/>
 </g>
 <!-- u19 -->
 <g id="node3" class="node">
 <title>u19</title>
-<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="343.39" cy="-435" rx="57.69" ry="18"/>
+<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="1296" cy="-495.66" rx="57.69" ry="18"/>
-<text text-anchor="middle" x="343.39" y="-431.3" font-family="Times-Roman" font-size="14.00">IOStreams</text>
+<text text-anchor="middle" x="1296" y="-491.96" font-family="Times-Roman" font-size="14.00">IOStreams</text>
 </g>
 <!-- u19&#45;&gt;u17 -->
-<g id="edge17" class="edge">
+<g id="edge15" class="edge">
 <title>u19&#45;&gt;u17</title>
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+<path fill="none" stroke="black" d="M1291.6,-477.5C1286.88,-459.14 1279.35,-429.78 1273.86,-408.39"/>
-<polygon fill="black" stroke="black" points="433.77,-379.54 436.33,-369.25 427.92,-375.7 433.77,-379.54"/>
+<polygon fill="black" stroke="black" points="1277.23,-407.43 1271.35,-398.61 1270.45,-409.17 1277.23,-407.43"/>
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-<g id="node4" class="node">
-<title>u3</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="534.39" cy="-197" rx="36.29" ry="18"/>
-<text text-anchor="middle" x="534.39" y="-193.3" font-family="Times-Roman" font-size="14.00">Types</text>
-</g>
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-<g id="node5" class="node">
-<title>u4</title>
-<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="427.39" cy="-269" rx="39.79" ry="18"/>
-<text text-anchor="middle" x="427.39" y="-265.3" font-family="Times-Roman" font-size="14.00">Optics</text>
-</g>
-<!-- u4&#45;&gt;u3 -->
-<g id="edge18" class="edge">
-<title>u4&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M449.04,-253.83C464.95,-243.42 486.78,-229.15 504.37,-217.64"/>
-<polygon fill="black" stroke="black" points="506.68,-220.31 513.13,-211.91 502.85,-214.45 506.68,-220.31"/>
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-<!-- u6 -->
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-<title>u6</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="855.39" cy="-435" rx="64.19" ry="18"/>
-<text text-anchor="middle" x="855.39" y="-431.3" font-family="Times-Roman" font-size="14.00">MegaParsec</text>
-</g>
-<!-- u5&#45;&gt;u6 -->
-<g id="edge19" class="edge">
-<title>u5&#45;&gt;u6</title>
-<path fill="none" stroke="black" d="M566.7,-284.68C579.52,-295.01 597.75,-308.62 615.39,-318 624.58,-322.89 630.09,-318.59 637.39,-326 662.15,-351.13 635.32,-379.63 663.39,-401 674.37,-409.36 773.88,-406.14 787.39,-409 795.7,-410.76 804.37,-413.33 812.61,-416.16"/>
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-<!-- u7 -->
-<g id="node13" class="node">
-<title>u7</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="828.39" cy="-197" rx="44.39" ry="18"/>
-<text text-anchor="middle" x="828.39" y="-193.3" font-family="Times-Roman" font-size="14.00">Prelude</text>
-</g>
-<!-- u5&#45;&gt;u7 -->
-<g id="edge20" class="edge">
-<title>u5&#45;&gt;u7</title>
-<path fill="none" stroke="black" d="M567.9,-253.71C573.85,-249.71 580.65,-245.72 587.39,-243 648.94,-218.19 724.91,-206.91 774.9,-201.88"/>
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-</g>
-<!-- u9 -->
-<g id="node8" class="node">
-<title>u9</title>
-<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="936.39" cy="-269" rx="51.19" ry="18"/>
-<text text-anchor="middle" x="936.39" y="-265.3" font-family="Times-Roman" font-size="14.00">Common</text>
-</g>
-<!-- u12&#45;&gt;u9 -->
-<g id="edge30" class="edge">
-<title>u12&#45;&gt;u9</title>
-<path fill="none" stroke="black" d="M925.36,-333.82C927.2,-323.19 929.6,-309.31 931.69,-297.2"/>
-<polygon fill="black" stroke="black" points="935.17,-297.6 933.42,-287.15 928.27,-296.41 935.17,-297.6"/>
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-<!-- u9&#45;&gt;u7 -->
-<g id="edge31" class="edge">
-<title>u9&#45;&gt;u7</title>
-<path fill="none" stroke="black" d="M912.96,-252.81C897.32,-242.68 876.58,-229.24 859.56,-218.2"/>
-<polygon fill="black" stroke="black" points="861.33,-215.18 851.04,-212.68 857.53,-221.06 861.33,-215.18"/>
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-<!-- u10 -->
-<g id="node9" class="node">
-<title>u10</title>
-<ellipse fill="#77ff77" stroke="black" stroke-width="0" cx="828.39" cy="-50" rx="27" ry="18"/>
-<text text-anchor="middle" x="828.39" y="-46.3" font-family="Times-Roman" font-size="14.00">QQ</text>
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-<g id="node10" class="node">
-<title>u16</title>
-<ellipse fill="#ffff77" stroke="black" stroke-width="0" cx="1001.39" cy="-435" rx="27" ry="18"/>
-<text text-anchor="middle" x="1001.39" y="-431.3" font-family="Times-Roman" font-size="14.00">QQ</text>
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-<g id="node11" class="node">
-<title>u15</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="1103.39" cy="-435" rx="30.59" ry="18"/>
-<text text-anchor="middle" x="1103.39" y="-431.3" font-family="Times-Roman" font-size="14.00">Utils</text>
-</g>
-<!-- u15&#45;&gt;u12 -->
-<g id="edge22" class="edge">
-<title>u15&#45;&gt;u12</title>
-<path fill="none" stroke="black" d="M1080.91,-422.68C1072.07,-418.31 1061.8,-413.33 1052.39,-409 1019.33,-393.79 981.02,-377.44 954.59,-366.35"/>
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-<!-- u15&#45;&gt;u11 -->
-<g id="edge21" class="edge">
-<title>u15&#45;&gt;u11</title>
-<path fill="none" stroke="black" d="M1082.81,-421.48C1073.8,-416.65 1062.9,-411.66 1052.39,-409 1009.49,-398.14 893.64,-419.41 853.39,-401 842.1,-395.84 832.28,-386.4 824.72,-377.25"/>
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-<!-- u6&#45;&gt;u3 -->
-<g id="edge23" class="edge">
-<title>u6&#45;&gt;u3</title>
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-<g id="node14" class="node">
-<title>u8</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="828.39" cy="-125" rx="42.49" ry="18"/>
-<text text-anchor="middle" x="828.39" y="-121.3" font-family="Times-Roman" font-size="14.00">Logger</text>
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-<!-- u7&#45;&gt;u8 -->
-<g id="edge25" class="edge">
-<title>u7&#45;&gt;u8</title>
-<path fill="none" stroke="black" stroke-dasharray="5,2" d="M828.39,-178.7C828.39,-170.98 828.39,-161.71 828.39,-153.11"/>
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-<title>u2</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="696.39" cy="-269" rx="37.89" ry="18"/>
-<text text-anchor="middle" x="696.39" y="-265.3" font-family="Times-Roman" font-size="14.00">Errors</text>
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-<!-- u7&#45;&gt;u2 -->
-<g id="edge24" class="edge">
-<title>u7&#45;&gt;u2</title>
-<path fill="none" stroke="black" d="M802.53,-211.71C781.65,-222.79 752.12,-238.45 729.51,-250.44"/>
-<polygon fill="black" stroke="black" points="727.8,-247.38 720.6,-255.16 731.07,-253.57 727.8,-247.38"/>
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-<!-- u8&#45;&gt;u4 -->
-<g id="edge26" class="edge">
-<title>u8&#45;&gt;u4</title>
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-<!-- u8&#45;&gt;u9 -->
-<g id="edge27" class="edge">
-<title>u8&#45;&gt;u9</title>
-<path fill="none" stroke="black" stroke-dasharray="5,2" d="M849.03,-140.76C859.52,-148.9 872,-159.65 881.39,-171 899.5,-192.89 914.92,-221.56 924.79,-242.04"/>
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-<!-- u8&#45;&gt;u10 -->
-<g id="edge28" class="edge">
-<title>u8&#45;&gt;u10</title>
-<path fill="none" stroke="black" d="M828.39,-106.7C828.39,-98.25 828.39,-87.87 828.39,-78.37"/>
-<polygon fill="black" stroke="black" points="831.89,-78.18 828.39,-68.18 824.89,-78.18 831.89,-78.18"/>
-</g>
-<!-- u11&#45;&gt;u5 -->
-<g id="edge29" class="edge">
-<title>u11&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M781.07,-346.57C749.06,-341.43 694.42,-332.79 647.39,-326 620.76,-322.16 610.78,-331.29 587.39,-318 577.83,-312.56 569.78,-303.68 563.6,-295.02"/>
-<polygon fill="black" stroke="black" points="566.46,-293 558.04,-286.57 560.61,-296.85 566.46,-293"/>
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-<!-- u0 -->
-<g id="node16" class="node">
-<title>u0</title>
-<ellipse fill="#bbffbb" stroke="black" stroke-width="2" cx="840.39" cy="-541" rx="42.49" ry="18"/>
-<text text-anchor="middle" x="840.39" y="-537.3" font-family="Times-Roman" font-size="14.00">GHCup</text>
-</g>
-<!-- u0&#45;&gt;u1 -->
-<g id="edge4" class="edge">
-<title>u0&#45;&gt;u1</title>
-<path fill="none" stroke="black" d="M798.15,-540.08C733.62,-539.53 614.12,-535.65 577.39,-515 556.17,-503.07 540.32,-480.02 530.42,-461.88"/>
-<polygon fill="black" stroke="black" points="533.49,-460.2 525.79,-452.93 527.27,-463.42 533.49,-460.2"/>
-</g>
-<!-- u0&#45;&gt;u16 -->
-<g id="edge6" class="edge">
-<title>u0&#45;&gt;u16</title>
-<path fill="none" stroke="black" d="M881.32,-536.43C914.21,-532.8 957.04,-526.09 970.39,-515 985.87,-502.13 993.66,-480.49 997.55,-463.11"/>
-<polygon fill="black" stroke="black" points="1001.06,-463.44 999.51,-452.96 994.18,-462.12 1001.06,-463.44"/>
-</g>
-<!-- u0&#45;&gt;u15 -->
-<g id="edge5" class="edge">
-<title>u0&#45;&gt;u15</title>
-<path fill="none" stroke="black" d="M882.83,-539.21C936.42,-537.51 1024.95,-532.11 1052.39,-515 1071.91,-502.83 1085.39,-480.12 1093.57,-462.17"/>
-<polygon fill="black" stroke="black" points="1096.87,-463.35 1097.57,-452.78 1090.43,-460.6 1096.87,-463.35"/>
-</g>
-<!-- u14 -->
-<g id="node19" class="node">
-<title>u14</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="680.39" cy="-435" rx="48.19" ry="18"/>
-<text text-anchor="middle" x="680.39" y="-431.3" font-family="Times-Roman" font-size="14.00">Platform</text>
-</g>
-<!-- u0&#45;&gt;u14 -->
-<g id="edge3" class="edge">
-<title>u0&#45;&gt;u14</title>
-<path fill="none" stroke="black" d="M801.74,-533.4C786.24,-529.61 768.7,-523.78 754.39,-515 731.68,-501.06 711.42,-478.33 697.87,-460.82"/>
-<polygon fill="black" stroke="black" points="700.58,-458.59 691.78,-452.7 694.98,-462.8 700.58,-458.59"/>
-</g>
-<!-- u2&#45;&gt;u3 -->
-<g id="edge7" class="edge">
-<title>u2&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M669.27,-256.28C642.05,-244.52 599.95,-226.33 570.04,-213.4"/>
-<polygon fill="black" stroke="black" points="571.35,-210.16 560.79,-209.41 568.58,-216.59 571.35,-210.16"/>
-</g>
-<!-- u13&#45;&gt;u3 -->
-<g id="edge8" class="edge">
-<title>u13&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M186.09,-260.84C259.14,-247.66 414.32,-219.66 490.43,-205.93"/>
-<polygon fill="black" stroke="black" points="491.41,-209.31 500.63,-204.09 490.17,-202.42 491.41,-209.31"/>
-</g>
-<!-- u14&#45;&gt;u5 -->
-<g id="edge9" class="edge">
-<title>u14&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M656.5,-419.22C649.64,-414.1 642.62,-407.9 637.39,-401 615.71,-372.38 627.41,-355.8 607.39,-326 598.66,-313.01 586.48,-300.68 575.54,-290.91"/>
-<polygon fill="black" stroke="black" points="577.72,-288.16 567.86,-284.28 573.14,-293.46 577.72,-288.16"/>
-</g>
-<!-- u14&#45;&gt;u12 -->
-<g id="edge10" class="edge">
-<title>u14&#45;&gt;u12</title>
-<path fill="none" stroke="black" d="M711.94,-421.27C724.88,-416.59 740.15,-411.77 754.39,-409 784.33,-403.18 865.04,-416.36 891.39,-401 900.07,-395.94 906.74,-387.36 911.63,-378.84"/>
-<polygon fill="black" stroke="black" points="914.82,-380.3 916.24,-369.8 908.58,-377.12 914.82,-380.3"/>
-</g>
-<!-- u18 -->
-<g id="node20" class="node">
-<title>u18</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="146.39" cy="-352" rx="73.39" ry="18"/>
-<text text-anchor="middle" x="146.39" y="-348.3" font-family="Times-Roman" font-size="14.00">Requirements</text>
-</g>
-<!-- u18&#45;&gt;u5 -->
-<g id="edge12" class="edge">
-<title>u18&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M192.35,-337.85C210.3,-333.27 231.16,-328.62 250.39,-326 300.18,-319.2 428.51,-333.26 476.39,-318 493.93,-312.41 511.26,-301.32 524.62,-291.22"/>
-<polygon fill="black" stroke="black" points="527.1,-293.72 532.79,-284.78 522.77,-288.22 527.1,-293.72"/>
-</g>
-<!-- u18&#45;&gt;u13 -->
-<g id="edge11" class="edge">
-<title>u18&#45;&gt;u13</title>
-<path fill="none" stroke="black" d="M146.39,-333.82C146.39,-323.19 146.39,-309.31 146.39,-297.2"/>
-<polygon fill="black" stroke="black" points="149.89,-297.15 146.39,-287.15 142.89,-297.15 149.89,-297.15"/>
-</g>
-<!-- u20 -->
-<g id="node21" class="node">
-<title>u20</title>
-<ellipse fill="#bbffbb" stroke="black" stroke-width="0" cx="840.39" cy="-688" rx="32.49" ry="18"/>
-<text text-anchor="middle" x="840.39" y="-684.3" font-family="Times-Roman" font-size="14.00">Main</text>
 </g>
 <!-- u21 -->
-<g id="node22" class="node">
+<g id="node4" class="node">
 <title>u21</title>
-<ellipse fill="#bbffbb" stroke="black" stroke-width="0" cx="840.39" cy="-616" rx="46.29" ry="18"/>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="742" cy="-810.66" rx="51.99" ry="18"/>
-<text text-anchor="middle" x="840.39" y="-612.3" font-family="Times-Roman" font-size="14.00">Validate</text>
+<text text-anchor="middle" x="742" y="-806.96" font-family="Times-Roman" font-size="14.00">OptParse</text>
+</g>
+<!-- u23 -->
+<g id="node6" class="node">
+<title>u23</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="846" cy="-732.66" rx="38.19" ry="18"/>
+<text text-anchor="middle" x="846" y="-728.96" font-family="Times-Roman" font-size="14.00">Install</text>
+</g>
+<!-- u21&#45;&gt;u23 -->
+<g id="edge16" class="edge">
+<title>u21&#45;&gt;u23</title>
+<path fill="none" stroke="black" d="M763.3,-794.1C778.98,-782.63 800.48,-766.92 817.63,-754.39"/>
+<polygon fill="black" stroke="black" points="820.13,-756.9 826.14,-748.17 816,-751.25 820.13,-756.9"/>
+</g>
+<!-- u24 -->
+<g id="node7" class="node">
+<title>u24</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="929" cy="-732.66" rx="27" ry="18"/>
+<text text-anchor="middle" x="929" y="-728.96" font-family="Times-Roman" font-size="14.00">Set</text>
+</g>
+<!-- u21&#45;&gt;u24 -->
+<g id="edge17" class="edge">
+<title>u21&#45;&gt;u24</title>
+<path fill="none" stroke="black" d="M776.15,-797.08C806.94,-785.56 853.32,-767.76 893,-750.66 894.81,-749.88 896.66,-749.06 898.53,-748.23"/>
+<polygon fill="black" stroke="black" points="900.16,-751.33 907.79,-743.97 897.24,-744.97 900.16,-751.33"/>
+</g>
+<!-- u25 -->
+<g id="node8" class="node">
+<title>u25</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1197" cy="-732.66" rx="38.19" ry="18"/>
+<text text-anchor="middle" x="1197" y="-728.96" font-family="Times-Roman" font-size="14.00">UnSet</text>
+</g>
+<!-- u21&#45;&gt;u25 -->
+<g id="edge18" class="edge">
+<title>u21&#45;&gt;u25</title>
+<path fill="none" stroke="black" d="M792.1,-805.59C869.52,-798.59 1022.5,-781.91 1149,-750.66 1152.18,-749.88 1155.44,-748.96 1158.69,-747.97"/>
+<polygon fill="black" stroke="black" points="1159.91,-751.26 1168.34,-744.84 1157.75,-744.6 1159.91,-751.26"/>
+</g>
+<!-- u26 -->
+<g id="node9" class="node">
+<title>u26</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1001" cy="-732.66" rx="27" ry="18"/>
+<text text-anchor="middle" x="1001" y="-728.96" font-family="Times-Roman" font-size="14.00">Rm</text>
+</g>
+<!-- u21&#45;&gt;u26 -->
+<g id="edge19" class="edge">
+<title>u21&#45;&gt;u26</title>
+<path fill="none" stroke="black" d="M785.47,-800.63C830.94,-790.62 904.05,-772.9 965,-750.66 966.85,-749.98 968.74,-749.25 970.62,-748.47"/>
+<polygon fill="black" stroke="black" points="972.2,-751.6 979.95,-744.38 969.39,-745.19 972.2,-751.6"/>
+</g>
+<!-- u27 -->
+<g id="node10" class="node">
+<title>u27</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1093" cy="-732.66" rx="47.39" ry="18"/>
+<text text-anchor="middle" x="1093" y="-728.96" font-family="Times-Roman" font-size="14.00">Compile</text>
+</g>
+<!-- u21&#45;&gt;u27 -->
+<g id="edge20" class="edge">
+<title>u21&#45;&gt;u27</title>
+<path fill="none" stroke="black" d="M787.79,-801.93C846.05,-791.76 949.62,-772.61 1037,-750.66 1040.61,-749.75 1044.34,-748.76 1048.07,-747.72"/>
+<polygon fill="black" stroke="black" points="1049.25,-751.02 1057.9,-744.89 1047.32,-744.29 1049.25,-751.02"/>
+</g>
+<!-- u28 -->
+<g id="node11" class="node">
+<title>u28</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="64" cy="-732.66" rx="40.09" ry="18"/>
+<text text-anchor="middle" x="64" y="-728.96" font-family="Times-Roman" font-size="14.00">Config</text>
+</g>
+<!-- u21&#45;&gt;u28 -->
+<g id="edge21" class="edge">
+<title>u21&#45;&gt;u28</title>
+<path fill="none" stroke="black" d="M689.99,-808.99C581.5,-806.67 323.62,-796.37 113,-750.66 109.64,-749.93 106.2,-749.04 102.77,-748.06"/>
+<polygon fill="black" stroke="black" points="103.8,-744.71 93.21,-745.08 101.72,-751.4 103.8,-744.71"/>
+</g>
+<!-- u29 -->
+<g id="node12" class="node">
+<title>u29</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="415" cy="-732.66" rx="46.59" ry="18"/>
+<text text-anchor="middle" x="415" y="-728.96" font-family="Times-Roman" font-size="14.00">Whereis</text>
+</g>
+<!-- u21&#45;&gt;u29 -->
+<g id="edge22" class="edge">
+<title>u21&#45;&gt;u29</title>
+<path fill="none" stroke="black" d="M697.62,-801.14C643.73,-790.53 550.22,-771.27 471,-750.66 467.24,-749.68 463.35,-748.61 459.45,-747.51"/>
+<polygon fill="black" stroke="black" points="460.41,-744.14 449.83,-744.71 458.45,-750.86 460.41,-744.14"/>
+</g>
+<!-- u30 -->
+<g id="node13" class="node">
+<title>u30</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="507" cy="-732.66" rx="27" ry="18"/>
+<text text-anchor="middle" x="507" y="-728.96" font-family="Times-Roman" font-size="14.00">List</text>
+</g>
+<!-- u21&#45;&gt;u30 -->
+<g id="edge23" class="edge">
+<title>u21&#45;&gt;u30</title>
+<path fill="none" stroke="black" d="M700.99,-799.47C660.33,-788.91 596.53,-771.1 543,-750.66 541.16,-749.96 539.28,-749.2 537.4,-748.41"/>
+<polygon fill="black" stroke="black" points="538.65,-745.13 528.09,-744.28 535.81,-751.53 538.65,-745.13"/>
+</g>
+<!-- u31 -->
+<g id="node14" class="node">
+<title>u31</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1303" cy="-732.66" rx="50.09" ry="18"/>
+<text text-anchor="middle" x="1303" y="-728.96" font-family="Times-Roman" font-size="14.00">Upgrade</text>
+</g>
+<!-- u21&#45;&gt;u31 -->
+<g id="edge24" class="edge">
+<title>u21&#45;&gt;u31</title>
+<path fill="none" stroke="black" d="M792.66,-806.46C883.72,-800.09 1080.77,-783.54 1244,-750.66 1248.17,-749.82 1252.48,-748.83 1256.78,-747.75"/>
+<polygon fill="black" stroke="black" points="1257.95,-751.06 1266.72,-745.12 1256.16,-744.29 1257.95,-751.06"/>
+</g>
+<!-- u32 -->
+<g id="node15" class="node">
+<title>u32</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="614" cy="-732.66" rx="61.99" ry="18"/>
+<text text-anchor="middle" x="614" y="-728.96" font-family="Times-Roman" font-size="14.00">ChangeLog</text>
+</g>
+<!-- u21&#45;&gt;u32 -->
+<g id="edge25" class="edge">
+<title>u21&#45;&gt;u32</title>
+<path fill="none" stroke="black" d="M717.02,-794.83C697.66,-783.34 670.61,-767.27 649.09,-754.49"/>
+<polygon fill="black" stroke="black" points="650.63,-751.34 640.24,-749.24 647.05,-757.36 650.63,-751.34"/>
+</g>
+<!-- u33 -->
+<g id="node16" class="node">
+<title>u33</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="742" cy="-732.66" rx="48.19" ry="18"/>
+<text text-anchor="middle" x="742" y="-728.96" font-family="Times-Roman" font-size="14.00">Prefetch</text>
+</g>
+<!-- u21&#45;&gt;u33 -->
+<g id="edge26" class="edge">
+<title>u21&#45;&gt;u33</title>
+<path fill="none" stroke="black" d="M742,-792.41C742,-783.18 742,-771.59 742,-761.15"/>
+<polygon fill="black" stroke="black" points="745.5,-760.84 742,-750.84 738.5,-760.84 745.5,-760.84"/>
+</g>
+<!-- u34 -->
+<g id="node17" class="node">
+<title>u34</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="235" cy="-732.66" rx="27" ry="18"/>
+<text text-anchor="middle" x="235" y="-728.96" font-family="Times-Roman" font-size="14.00">GC</text>
+</g>
+<!-- u21&#45;&gt;u34 -->
+<g id="edge27" class="edge">
+<title>u21&#45;&gt;u34</title>
+<path fill="none" stroke="black" d="M690.05,-808.49C602.09,-805.33 418.98,-793.68 271,-750.66 269.06,-750.1 267.09,-749.44 265.13,-748.72"/>
+<polygon fill="black" stroke="black" points="266.08,-745.32 255.5,-744.7 263.39,-751.78 266.08,-745.32"/>
+</g>
+<!-- u35 -->
+<g id="node18" class="node">
+<title>u35</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="315" cy="-732.66" rx="35.19" ry="18"/>
+<text text-anchor="middle" x="315" y="-728.96" font-family="Times-Roman" font-size="14.00">DInfo</text>
+</g>
+<!-- u21&#45;&gt;u35 -->
+<g id="edge28" class="edge">
+<title>u21&#45;&gt;u35</title>
+<path fill="none" stroke="black" d="M692.02,-805.43C618.22,-798.41 476.17,-781.93 359,-750.66 356.35,-749.95 353.63,-749.14 350.92,-748.26"/>
+<polygon fill="black" stroke="black" points="351.81,-744.86 341.22,-744.85 349.49,-751.47 351.81,-744.86"/>
+</g>
+<!-- u36 -->
+<g id="node19" class="node">
+<title>u36</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1461" cy="-732.66" rx="90.18" ry="18"/>
+<text text-anchor="middle" x="1461" y="-728.96" font-family="Times-Roman" font-size="14.00">ToolRequirements</text>
+</g>
+<!-- u21&#45;&gt;u36 -->
+<g id="edge29" class="edge">
+<title>u21&#45;&gt;u36</title>
+<path fill="none" stroke="black" d="M792.37,-806.16C898.17,-798.52 1151.13,-778.76 1362,-750.66 1370.05,-749.59 1378.45,-748.34 1386.8,-747.02"/>
+<polygon fill="black" stroke="black" points="1387.62,-750.44 1396.94,-745.38 1386.51,-743.53 1387.62,-750.44"/>
+</g>
+<!-- u37 -->
+<g id="node20" class="node">
+<title>u37</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="156" cy="-732.66" rx="33.6" ry="18"/>
+<text text-anchor="middle" x="156" y="-728.96" font-family="Times-Roman" font-size="14.00">Nuke</text>
+</g>
+<!-- u21&#45;&gt;u37 -->
+<g id="edge30" class="edge">
+<title>u21&#45;&gt;u37</title>
+<path fill="none" stroke="black" d="M690.3,-808.63C592.81,-805.69 375.74,-794.35 199,-750.66 196.22,-749.97 193.39,-749.15 190.56,-748.24"/>
+<polygon fill="black" stroke="black" points="191.69,-744.93 181.1,-744.88 189.35,-751.52 191.69,-744.93"/>
+</g>
+<!-- u22 -->
+<g id="node5" class="node">
+<title>u22</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="742" cy="-654.66" rx="51.19" ry="18"/>
+<text text-anchor="middle" x="742" y="-650.96" font-family="Times-Roman" font-size="14.00">Common</text>
+</g>
+<!-- u0 -->
+<g id="node33" class="node">
+<title>u0</title>
+<ellipse fill="#bbffbb" stroke="black" stroke-width="2" cx="705" cy="-576.66" rx="42.49" ry="18"/>
+<text text-anchor="middle" x="705" y="-572.96" font-family="Times-Roman" font-size="14.00">GHCup</text>
+</g>
+<!-- u22&#45;&gt;u0 -->
+<g id="edge31" class="edge">
+<title>u22&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M733.79,-636.79C729.05,-627.05 722.98,-614.59 717.64,-603.63"/>
+<polygon fill="black" stroke="black" points="720.71,-601.94 713.19,-594.48 714.42,-605 720.71,-601.94"/>
+</g>
+<!-- u23&#45;&gt;u22 -->
+<g id="edge32" class="edge">
+<title>u23&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M825.95,-717.01C810.53,-705.74 788.99,-690 771.59,-677.28"/>
+<polygon fill="black" stroke="black" points="773.56,-674.39 763.42,-671.31 769.43,-680.04 773.56,-674.39"/>
+</g>
+<!-- u24&#45;&gt;u22 -->
+<g id="edge33" class="edge">
+<title>u24&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M907.79,-721.35C902.96,-719.08 897.82,-716.74 893,-714.66 857.2,-699.23 815.93,-683.23 785.6,-671.79"/>
+<polygon fill="black" stroke="black" points="786.75,-668.48 776.15,-668.24 784.29,-675.03 786.75,-668.48"/>
+</g>
+<!-- u25&#45;&gt;u0 -->
+<g id="edge34" class="edge">
+<title>u25&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M1167.62,-721.04C1161.48,-718.88 1155.04,-716.66 1149,-714.66 1003.04,-666.32 828.31,-614.02 748.55,-590.45"/>
+<polygon fill="black" stroke="black" points="749.43,-587.06 738.85,-587.59 747.45,-593.77 749.43,-587.06"/>
+</g>
+<!-- u26&#45;&gt;u22 -->
+<g id="edge35" class="edge">
+<title>u26&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M979.97,-720.89C975.13,-718.64 969.95,-716.43 965,-714.66 892.52,-688.77 871.13,-693.36 797,-672.66 794.25,-671.89 791.42,-671.08 788.58,-670.25"/>
+<polygon fill="black" stroke="black" points="789.48,-666.87 778.9,-667.37 787.48,-673.58 789.48,-666.87"/>
+</g>
+<!-- u27&#45;&gt;u22 -->
+<g id="edge36" class="edge">
+<title>u27&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M1058.23,-720.39C1051.24,-718.33 1043.92,-716.31 1037,-714.66 931.66,-689.55 902.27,-698.03 797,-672.66 794.04,-671.95 791,-671.16 787.94,-670.33"/>
+<polygon fill="black" stroke="black" points="788.79,-666.93 778.21,-667.56 786.87,-673.66 788.79,-666.93"/>
+</g>
+<!-- u15 -->
+<g id="node28" class="node">
+<title>u15</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="705" cy="-380.66" rx="30.59" ry="18"/>
+<text text-anchor="middle" x="705" y="-376.96" font-family="Times-Roman" font-size="14.00">Utils</text>
+</g>
+<!-- u28&#45;&gt;u15 -->
+<g id="edge37" class="edge">
+<title>u28&#45;&gt;u15</title>
+<path fill="none" stroke="black" d="M71.46,-714.85C93.67,-667.18 164.47,-531.09 271,-477.66 310.47,-457.87 631.26,-485.14 668,-460.66 685.49,-449.01 694.89,-426.77 699.83,-408.86"/>
+<polygon fill="black" stroke="black" points="703.29,-409.46 702.25,-398.92 696.49,-407.8 703.29,-409.46"/>
+</g>
+<!-- u29&#45;&gt;u22 -->
+<g id="edge38" class="edge">
+<title>u29&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M449.8,-720.49C456.78,-718.42 464.1,-716.37 471,-714.66 565.92,-691.09 592.14,-696.47 687,-672.66 689.96,-671.92 692.99,-671.11 696.04,-670.26"/>
+<polygon fill="black" stroke="black" points="697.13,-673.6 705.77,-667.46 695.19,-666.87 697.13,-673.6"/>
+</g>
+<!-- u30&#45;&gt;u22 -->
+<g id="edge39" class="edge">
+<title>u30&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M528.08,-721.03C532.92,-718.78 538.09,-716.52 543,-714.66 605.33,-691.02 623.15,-691.84 687,-672.66 689.74,-671.84 692.55,-670.99 695.38,-670.12"/>
+<polygon fill="black" stroke="black" points="696.5,-673.44 705.04,-667.17 694.46,-666.75 696.5,-673.44"/>
+</g>
+<!-- u31&#45;&gt;u0 -->
+<g id="edge40" class="edge">
+<title>u31&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M1267.21,-719.95C1204.45,-699.67 1070.24,-657.41 955,-628.66 885.44,-611.3 803.91,-595.51 753.35,-586.24"/>
+<polygon fill="black" stroke="black" points="753.82,-582.77 743.35,-584.42 752.56,-589.65 753.82,-582.77"/>
+</g>
+<!-- u32&#45;&gt;u22 -->
+<g id="edge41" class="edge">
+<title>u32&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M639.9,-716.28C659.59,-704.59 686.84,-688.41 708.23,-675.71"/>
+<polygon fill="black" stroke="black" points="710.2,-678.61 717.01,-670.5 706.62,-672.6 710.2,-678.61"/>
+</g>
+<!-- u33&#45;&gt;u22 -->
+<g id="edge42" class="edge">
+<title>u33&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M742,-714.41C742,-705.18 742,-693.59 742,-683.15"/>
+<polygon fill="black" stroke="black" points="745.5,-682.84 742,-672.84 738.5,-682.84 745.5,-682.84"/>
+</g>
+<!-- u34&#45;&gt;u0 -->
+<g id="edge43" class="edge">
+<title>u34&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M256.18,-721.27C261.01,-719.01 266.15,-716.68 271,-714.66 321.21,-693.69 336.18,-694.54 386,-672.66 424.95,-655.55 430.98,-643.09 471,-628.66 532.58,-606.45 606.93,-592.27 655.04,-584.64"/>
+<polygon fill="black" stroke="black" points="655.85,-588.06 665.19,-583.07 654.78,-581.14 655.85,-588.06"/>
+</g>
+<!-- u35&#45;&gt;u0 -->
+<g id="edge44" class="edge">
+<title>u35&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M342.11,-720.95C409.78,-694.23 586.34,-624.51 665.55,-593.24"/>
+<polygon fill="black" stroke="black" points="667.14,-596.37 675.16,-589.44 664.57,-589.86 667.14,-596.37"/>
+</g>
+<!-- u14 -->
+<g id="node36" class="node">
+<title>u14</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="934" cy="-495.66" rx="48.19" ry="18"/>
+<text text-anchor="middle" x="934" y="-491.96" font-family="Times-Roman" font-size="14.00">Platform</text>
+</g>
+<!-- u36&#45;&gt;u14 -->
+<g id="edge45" class="edge">
+<title>u36&#45;&gt;u14</title>
+<path fill="none" stroke="black" d="M1426.01,-716.06C1331.57,-673.94 1071.92,-558.16 972.98,-514.04"/>
+<polygon fill="black" stroke="black" points="974.21,-510.76 963.65,-509.88 971.36,-517.15 974.21,-510.76"/>
+</g>
+<!-- u18 -->
+<g id="node37" class="node">
+<title>u18</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="1461" cy="-495.66" rx="73.39" ry="18"/>
+<text text-anchor="middle" x="1461" y="-491.96" font-family="Times-Roman" font-size="14.00">Requirements</text>
+</g>
+<!-- u36&#45;&gt;u18 -->
+<g id="edge46" class="edge">
+<title>u36&#45;&gt;u18</title>
+<path fill="none" stroke="black" d="M1461,-714.38C1461,-673.98 1461,-573.06 1461,-524.13"/>
+<polygon fill="black" stroke="black" points="1464.5,-523.97 1461,-513.97 1457.5,-523.97 1464.5,-523.97"/>
+</g>
+<!-- u37&#45;&gt;u0 -->
+<g id="edge47" class="edge">
+<title>u37&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M178.73,-719.04C219.16,-697.17 306.76,-652.29 386,-628.66 478.02,-601.22 589.65,-587.67 653.49,-581.71"/>
+<polygon fill="black" stroke="black" points="654.05,-585.17 663.7,-580.78 653.42,-578.2 654.05,-585.17"/>
+</g>
+<!-- u3 -->
+<g id="node21" class="node">
+<title>u3</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="1257" cy="-213.66" rx="36.29" ry="18"/>
+<text text-anchor="middle" x="1257" y="-209.96" font-family="Times-Roman" font-size="14.00">Types</text>
+</g>
+<!-- u4 -->
+<g id="node22" class="node">
+<title>u4</title>
+<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="1329" cy="-291.66" rx="39.79" ry="18"/>
+<text text-anchor="middle" x="1329" y="-287.96" font-family="Times-Roman" font-size="14.00">Optics</text>
+</g>
+<!-- u4&#45;&gt;u3 -->
+<g id="edge48" class="edge">
+<title>u4&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M1314.08,-274.91C1303.94,-264.21 1290.37,-249.88 1278.99,-237.88"/>
+<polygon fill="black" stroke="black" points="1281.32,-235.24 1271.9,-230.39 1276.24,-240.05 1281.32,-235.24"/>
+</g>
+<!-- u6 -->
+<g id="node29" class="node">
+<title>u6</title>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="934" cy="-380.66" rx="64.19" ry="18"/>
+<text text-anchor="middle" x="934" y="-376.96" font-family="Times-Roman" font-size="14.00">MegaParsec</text>
+</g>
+<!-- u5&#45;&gt;u6 -->
+<g id="edge49" class="edge">
+<title>u5&#45;&gt;u6</title>
+<path fill="none" stroke="black" d="M1226.6,-309.05C1217.94,-320.06 1204.99,-333.77 1190,-340.66 1152.94,-357.69 1046.95,-346.43 1007,-354.66 997.85,-356.55 988.26,-359.26 979.16,-362.21"/>
+<polygon fill="black" stroke="black" points="977.86,-358.96 969.51,-365.48 980.11,-365.59 977.86,-358.96"/>
+</g>
+<!-- u7 -->
+<g id="node30" class="node">
+<title>u7</title>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="1030" cy="-213.66" rx="44.39" ry="18"/>
+<text text-anchor="middle" x="1030" y="-209.96" font-family="Times-Roman" font-size="14.00">Prelude</text>
+</g>
+<!-- u5&#45;&gt;u7 -->
+<g id="edge50" class="edge">
+<title>u5&#45;&gt;u7</title>
+<path fill="none" stroke="black" d="M1218.91,-276.55C1213.05,-272.65 1206.44,-268.67 1200,-265.66 1160.61,-247.27 1113.01,-233.67 1078.21,-225.15"/>
+<polygon fill="black" stroke="black" points="1078.83,-221.7 1068.29,-222.78 1077.21,-228.51 1078.83,-221.7"/>
+</g>
+<!-- u9 -->
+<g id="node25" class="node">
+<title>u9</title>
+<ellipse fill="#77ff77" stroke="black" stroke-width="0" cx="803" cy="-291.66" rx="51.19" ry="18"/>
+<text text-anchor="middle" x="803" y="-287.96" font-family="Times-Roman" font-size="14.00">Common</text>
+</g>
+<!-- u12&#45;&gt;u9 -->
+<g id="edge59" class="edge">
+<title>u12&#45;&gt;u9</title>
+<path fill="none" stroke="black" d="M820.65,-362.47C817.58,-350.32 813.4,-333.77 809.87,-319.84"/>
+<polygon fill="black" stroke="black" points="813.18,-318.65 807.34,-309.81 806.4,-320.37 813.18,-318.65"/>
+</g>
+<!-- u9&#45;&gt;u7 -->
+<g id="edge60" class="edge">
+<title>u9&#45;&gt;u7</title>
+<path fill="none" stroke="black" d="M831.8,-276.66C840.15,-272.85 849.35,-268.89 858,-265.66 899.83,-250.04 948.74,-235.92 983.69,-226.52"/>
+<polygon fill="black" stroke="black" points="984.85,-229.83 993.61,-223.88 983.05,-223.07 984.85,-229.83"/>
+</g>
+<!-- u10 -->
+<g id="node26" class="node">
+<title>u10</title>
+<ellipse fill="#ffff77" stroke="black" stroke-width="0" cx="1030" cy="-53.66" rx="27" ry="18"/>
+<text text-anchor="middle" x="1030" y="-49.96" font-family="Times-Roman" font-size="14.00">QQ</text>
+</g>
+<!-- u16 -->
+<g id="node27" class="node">
+<title>u16</title>
+<ellipse fill="#7777ff" stroke="black" stroke-width="0" cx="629" cy="-380.66" rx="27" ry="18"/>
+<text text-anchor="middle" x="629" y="-376.96" font-family="Times-Roman" font-size="14.00">QQ</text>
+</g>
+<!-- u15&#45;&gt;u1 -->
+<g id="edge51" class="edge">
+<title>u15&#45;&gt;u1</title>
+<path fill="none" stroke="black" d="M707.32,-398.87C710.83,-417.56 719.45,-446.6 740,-460.66 773.6,-483.65 1065.83,-471.03 1106,-477.66 1109.69,-478.27 1113.47,-479.03 1117.26,-479.89"/>
+<polygon fill="black" stroke="black" points="1116.67,-483.35 1127.21,-482.36 1118.35,-476.55 1116.67,-483.35"/>
+</g>
+<!-- u6&#45;&gt;u3 -->
+<g id="edge52" class="edge">
+<title>u6&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M969.52,-365.51C981.28,-361.37 994.54,-357.25 1007,-354.66 1044.76,-346.8 1151.18,-366.3 1180,-340.66 1205.4,-318.06 1177.53,-294.82 1195,-265.66 1202.54,-253.08 1214.35,-242.23 1225.65,-233.81"/>
+<polygon fill="black" stroke="black" points="1227.95,-236.47 1234.11,-227.86 1223.92,-230.75 1227.95,-236.47"/>
+</g>
+<!-- u8 -->
+<g id="node31" class="node">
+<title>u8</title>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="1030" cy="-135.66" rx="42.49" ry="18"/>
+<text text-anchor="middle" x="1030" y="-131.96" font-family="Times-Roman" font-size="14.00">Logger</text>
+</g>
+<!-- u7&#45;&gt;u8 -->
+<g id="edge54" class="edge">
+<title>u7&#45;&gt;u8</title>
+<path fill="none" stroke="black" stroke-dasharray="5,2" d="M1030,-195.41C1030,-186.18 1030,-174.59 1030,-164.15"/>
+<polygon fill="black" stroke="black" points="1033.5,-163.84 1030,-153.84 1026.5,-163.84 1033.5,-163.84"/>
+</g>
+<!-- u2 -->
+<g id="node34" class="node">
+<title>u2</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="1128" cy="-291.66" rx="37.89" ry="18"/>
+<text text-anchor="middle" x="1128" y="-287.96" font-family="Times-Roman" font-size="14.00">Errors</text>
+</g>
+<!-- u7&#45;&gt;u2 -->
+<g id="edge53" class="edge">
+<title>u7&#45;&gt;u2</title>
+<path fill="none" stroke="black" d="M1049.85,-230.05C1064.58,-241.48 1084.85,-257.2 1101.05,-269.76"/>
+<polygon fill="black" stroke="black" points="1099.06,-272.64 1109.1,-276.01 1103.35,-267.11 1099.06,-272.64"/>
+</g>
+<!-- u8&#45;&gt;u4 -->
+<g id="edge55" class="edge">
+<title>u8&#45;&gt;u4</title>
+<path fill="none" stroke="black" d="M1071.74,-139.12C1139.49,-143.98 1269.17,-157.08 1302,-187.66 1322.76,-207 1328.33,-240.18 1329.47,-263.64"/>
+<polygon fill="black" stroke="black" points="1325.97,-263.75 1329.71,-273.66 1332.97,-263.58 1325.97,-263.75"/>
+</g>
+<!-- u8&#45;&gt;u9 -->
+<g id="edge56" class="edge">
+<title>u8&#45;&gt;u9</title>
+<path fill="none" stroke="black" stroke-dasharray="5,2" d="M1008.49,-151.25C968.13,-178.63 880.88,-237.82 834.11,-269.55"/>
+<polygon fill="black" stroke="black" points="831.91,-266.82 825.6,-275.33 835.84,-272.61 831.91,-266.82"/>
+</g>
+<!-- u8&#45;&gt;u10 -->
+<g id="edge57" class="edge">
+<title>u8&#45;&gt;u10</title>
+<path fill="none" stroke="black" d="M1030,-117.3C1030,-106.96 1030,-93.6 1030,-81.88"/>
+<polygon fill="black" stroke="black" points="1033.5,-81.71 1030,-71.71 1026.5,-81.71 1033.5,-81.71"/>
+</g>
+<!-- u11&#45;&gt;u5 -->
+<g id="edge58" class="edge">
+<title>u11&#45;&gt;u5</title>
+<path fill="none" stroke="black" d="M1060.4,-365.35C1065.63,-361.25 1071.74,-357.21 1078,-354.66 1124.47,-335.76 1144.94,-362.7 1190,-340.66 1201.46,-335.05 1211.82,-325.6 1219.95,-316.56"/>
+<polygon fill="black" stroke="black" points="1222.7,-318.72 1226.49,-308.83 1217.36,-314.2 1222.7,-318.72"/>
+</g>
+<!-- u0&#45;&gt;u16 -->
+<g id="edge4" class="edge">
+<title>u0&#45;&gt;u16</title>
+<path fill="none" stroke="black" d="M698.39,-558.78C685.1,-524.87 655.09,-448.27 639.25,-407.82"/>
+<polygon fill="black" stroke="black" points="642.45,-406.39 635.54,-398.36 635.93,-408.95 642.45,-406.39"/>
+</g>
+<!-- u0&#45;&gt;u15 -->
+<g id="edge3" class="edge">
+<title>u0&#45;&gt;u15</title>
+<path fill="none" stroke="black" d="M705,-558.44C705,-524.72 705,-449.72 705,-409.09"/>
+<polygon fill="black" stroke="black" points="708.5,-408.84 705,-398.84 701.5,-408.84 708.5,-408.84"/>
+</g>
+<!-- u0&#45;&gt;u14 -->
+<g id="edge2" class="edge">
+<title>u0&#45;&gt;u14</title>
+<path fill="none" stroke="black" d="M736.84,-564.68C776.8,-550.89 845.52,-527.18 890.35,-511.72"/>
+<polygon fill="black" stroke="black" points="891.51,-515.02 899.82,-508.45 889.22,-508.4 891.51,-515.02"/>
+</g>
+<!-- u2&#45;&gt;u3 -->
+<g id="edge5" class="edge">
+<title>u2&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M1150.77,-277.25C1171.58,-264.98 1202.56,-246.73 1225.7,-233.1"/>
+<polygon fill="black" stroke="black" points="1227.62,-236.03 1234.46,-227.94 1224.07,-230 1227.62,-236.03"/>
+</g>
+<!-- u13&#45;&gt;u3 -->
+<g id="edge6" class="edge">
+<title>u13&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M1412.98,-362.38C1410.65,-337.92 1403.02,-293.12 1378,-265.66 1357.81,-243.49 1326.42,-230.64 1300.67,-223.38"/>
+<polygon fill="black" stroke="black" points="1301.32,-219.94 1290.76,-220.78 1299.54,-226.71 1301.32,-219.94"/>
+</g>
+<!-- u14&#45;&gt;u5 -->
+<g id="edge7" class="edge">
+<title>u14&#45;&gt;u5</title>
+<path fill="none" stroke="black" d="M980.15,-490.19C1019.57,-485.37 1072.04,-476.2 1086,-460.66 1117.68,-425.38 1065.12,-388.82 1098,-354.66 1126.68,-324.86 1153.09,-359.32 1190,-340.66 1201.39,-334.9 1211.73,-325.43 1219.87,-316.41"/>
+<polygon fill="black" stroke="black" points="1222.61,-318.59 1226.43,-308.71 1217.28,-314.05 1222.61,-318.59"/>
+</g>
+<!-- u14&#45;&gt;u12 -->
+<g id="edge8" class="edge">
+<title>u14&#45;&gt;u12</title>
+<path fill="none" stroke="black" d="M895.43,-484.64C881.53,-479.41 866.66,-471.72 856,-460.66 842.29,-446.43 834.43,-425.42 830.06,-408.64"/>
+<polygon fill="black" stroke="black" points="833.46,-407.78 827.77,-398.84 826.64,-409.37 833.46,-407.78"/>
+</g>
+<!-- u18&#45;&gt;u5 -->
+<g id="edge10" class="edge">
+<title>u18&#45;&gt;u5</title>
+<path fill="none" stroke="black" d="M1468.63,-477.37C1480.29,-447.97 1498.11,-388.19 1467,-354.66 1438.65,-324.11 1317.28,-359.28 1280,-340.66 1269.49,-335.41 1260.48,-326.27 1253.53,-317.36"/>
+<polygon fill="black" stroke="black" points="1256.2,-315.09 1247.51,-309.03 1250.53,-319.18 1256.2,-315.09"/>
+</g>
+<!-- u18&#45;&gt;u13 -->
+<g id="edge9" class="edge">
+<title>u18&#45;&gt;u13</title>
+<path fill="none" stroke="black" d="M1453.86,-477.5C1446.19,-459.06 1433.9,-429.51 1425,-408.1"/>
+<polygon fill="black" stroke="black" points="1428.12,-406.5 1421.05,-398.61 1421.66,-409.19 1428.12,-406.5"/>
+</g>
+<!-- u20 -->
+<g id="node38" class="node">
+<title>u20</title>
+<ellipse fill="#bbffbb" stroke="black" stroke-width="0" cx="742" cy="-925.66" rx="32.49" ry="18"/>
+<text text-anchor="middle" x="742" y="-921.96" font-family="Times-Roman" font-size="14.00">Main</text>
 </g>
 <!-- u20&#45;&gt;u21 -->
 <g id="edge1" class="edge">
 <title>u20&#45;&gt;u21</title>
-<path fill="none" stroke="black" d="M840.39,-669.7C840.39,-661.98 840.39,-652.71 840.39,-644.11"/>
+<path fill="none" stroke="black" d="M742,-907.5C742,-889.33 742,-860.38 742,-839.05"/>
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+<polygon fill="black" stroke="black" points="745.5,-838.98 742,-828.98 738.5,-838.98 745.5,-838.98"/>
-</g>
-<!-- u21&#45;&gt;u0 -->
-<g id="edge2" class="edge">
-<title>u21&#45;&gt;u0</title>
-<path fill="none" stroke="black" d="M840.39,-597.7C840.39,-589.25 840.39,-578.87 840.39,-569.37"/>
-<polygon fill="black" stroke="black" points="843.89,-569.18 840.39,-559.18 836.89,-569.18 843.89,-569.18"/>
 </g>
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ghcup.cabal

@@ -16,11 +16,11 @@ description:
 category:           System
 build-type:         Simple
 extra-doc-files:
+  CHANGELOG.md
   data/config.yaml
   data/metadata/ghcup-0.0.4.yaml
   data/metadata/ghcup-0.0.5.yaml
   data/metadata/ghcup-0.0.6.yaml
-  CHANGELOG.md
   README.md
 
 extra-source-files:
@@ -109,7 +109,6 @@ library
     , filepath              ^>=1.4.2.1
     , haskus-utils-types    ^>=1.5
     , haskus-utils-variant  >=3.0        && <3.2
-    , HsYAML-aeson          ^>=0.2.0.0
     , libarchive            ^>=3.0.3.0
     , lzma-static           ^>=5.2.5.3
     , megaparsec            >=8.0.0      && <9.1
@@ -120,6 +119,7 @@ library
     , pretty-terminal       ^>=0.1.0.0
     , regex-posix           ^>=0.96
     , resourcet             ^>=1.2.2
+    , retry                 ^>=0.8.1.2
     , safe                  ^>=0.3.18
     , safe-exceptions       ^>=0.1
     , split                 ^>=0.2.3.4
@@ -135,6 +135,7 @@ library
     , vector                ^>=0.12
     , versions              >=4.0.1      && <5.1
     , word8                 ^>=0.1.3
+    , yaml-streamly         ^>=0.12.0
     , zlib                  ^>=0.6.2.2
 
   if (flag(internal-downloader) && !os(windows))
@@ -148,16 +149,21 @@ library
 
   if os(windows)
     cpp-options:   -DIS_WINDOWS
-    other-modules: GHCup.Utils.File.Windows
+    other-modules:
+      GHCup.Utils.File.Windows
+      GHCup.Utils.Prelude.Windows
+      GHCup.Utils.Windows
+
     build-depends:
       , bzlib
       , process  ^>=1.6.11.0
-      , retry    ^>=0.8.1.2
       , Win32    ^>=2.10
 
   else
     other-modules:
       GHCup.Utils.File.Posix
+      GHCup.Utils.Posix
+      GHCup.Utils.Prelude.Posix
       System.Console.Terminal.Common
       System.Console.Terminal.Posix
 
@@ -172,23 +178,25 @@ library
 
 executable ghcup
   main-is:            Main.hs
-  other-modules:      GHCup.OptParse.Install
+  other-modules:
-                      GHCup.OptParse.Common
+    GHCup.OptParse
-                      GHCup.OptParse.Set
+    GHCup.OptParse.ChangeLog
-                      GHCup.OptParse.UnSet
+    GHCup.OptParse.Common
-                      GHCup.OptParse.Rm
+    GHCup.OptParse.Compile
-                      GHCup.OptParse.Compile
+    GHCup.OptParse.Config
-                      GHCup.OptParse.Config
+    GHCup.OptParse.DInfo
-                      GHCup.OptParse.Whereis
+    GHCup.OptParse.GC
-                      GHCup.OptParse.List
+    GHCup.OptParse.Install
-                      GHCup.OptParse.DInfo
+    GHCup.OptParse.List
-                      GHCup.OptParse.Upgrade
+    GHCup.OptParse.Nuke
-                      GHCup.OptParse.ToolRequirements
+    GHCup.OptParse.Prefetch
-                      GHCup.OptParse.ChangeLog
+    GHCup.OptParse.Rm
-                      GHCup.OptParse.Nuke
+    GHCup.OptParse.Set
-                      GHCup.OptParse.Prefetch
+    GHCup.OptParse.ToolRequirements
-                      GHCup.OptParse.GC
+    GHCup.OptParse.UnSet
-                      GHCup.OptParse
+    GHCup.OptParse.Upgrade
+    GHCup.OptParse.Whereis
+
   hs-source-dirs:     app/ghcup
   default-language:   Haskell2010
   default-extensions:
@@ -217,7 +225,6 @@ executable ghcup
     , filepath              ^>=1.4.2.1
     , ghcup
     , haskus-utils-variant  >=3.0      && <3.2
-    , HsYAML-aeson          ^>=0.2.0.0
     , libarchive            ^>=3.0.3.0
     , megaparsec            >=8.0.0    && <9.1
     , mtl                   ^>=2.2
@@ -232,6 +239,7 @@ executable ghcup
     , uri-bytestring        ^>=0.3.2.2
     , utf8-string           ^>=1.0
     , versions              >=4.0.1    && <5.1
+    , yaml-streamly         ^>=0.12.0
 
   if flag(internal-downloader)
     cpp-options: -DINTERNAL_DOWNLOADER
@@ -279,7 +287,6 @@ executable ghcup-gen
     , filepath              ^>=1.4.2.1
     , ghcup
     , haskus-utils-variant  >=3.0      && <3.2
-    , HsYAML-aeson          ^>=0.2.0.0
     , libarchive            ^>=3.0.3.0
     , mtl                   ^>=2.2
     , optics                ^>=0.4
@@ -292,6 +299,7 @@ executable ghcup-gen
     , text                  ^>=1.2.4.0
     , transformers          ^>=0.5
     , versions              >=4.0.1    && <5.1
+    , yaml-streamly         ^>=0.12.0
 
 test-suite ghcup-test
   type:               exitcode-stdio-1.0

lib/GHCup.hs

@@ -52,9 +52,7 @@ import           Control.Monad.Fail             ( MonadFail )
 import           Control.Monad.Reader
 import           Control.Monad.Trans.Resource
                                          hiding ( throwM )
-#if defined(IS_WINDOWS)
 import           Control.Monad.IO.Unlift        ( MonadUnliftIO( withRunInIO ) )
-#endif
 import           Data.ByteString                ( ByteString )
 import           Data.Either
 import           Data.List
@@ -96,9 +94,6 @@ import qualified Data.Map.Strict               as Map
 import qualified Data.Text                     as T
 import qualified Data.Text.IO                  as T
 import qualified Data.Text.Encoding            as E
-#if defined(IS_WINDOWS)
-import qualified System.Win32.File             as Win32
-#endif
 import qualified Text.Megaparsec               as MP
 import GHCup.Utils.MegaParsec
 import Control.Concurrent (threadDelay)
@@ -339,36 +334,35 @@ installUnpackedGHC :: ( MonadReader env m
                    -> FilePath      -- ^ Path to install to
                    -> Version       -- ^ The GHC version
                    -> Excepts '[ProcessError] m ()
-installUnpackedGHC path inst ver = do
+installUnpackedGHC path inst ver
-#if defined(IS_WINDOWS)
+  | isWindows = do
-  lift $ logInfo "Installing GHC (this may take a while)"
+      lift $ logInfo "Installing GHC (this may take a while)"
-  -- Windows bindists are relocatable and don't need
+      -- Windows bindists are relocatable and don't need
-  -- to run configure.
+      -- to run configure.
-  -- We also must make sure to preserve mtime to not confuse ghc-pkg.
+      -- We also must make sure to preserve mtime to not confuse ghc-pkg.
-  lift $ withRunInIO $ \run -> flip onException (run $ recyclePathForcibly inst) $ copyDirectoryRecursive path inst $ \source dest -> do
+      lift $ withRunInIO $ \run -> flip onException (run $ recyclePathForcibly inst) $ copyDirectoryRecursive path inst $ \source dest -> do
-    mtime <- getModificationTime source
+        mtime <- getModificationTime source
-    Win32.moveFile source dest
+        moveFilePortable source dest
-    setModificationTime dest mtime
+        setModificationTime dest mtime
-#else
+  | otherwise = do
-  PlatformRequest {..} <- lift getPlatformReq
+      PlatformRequest {..} <- lift getPlatformReq
 
-  let alpineArgs
+      let alpineArgs
-       | ver >= [vver|8.2.2|], Linux Alpine <- _rPlatform
+           | ver >= [vver|8.2.2|], Linux Alpine <- _rPlatform
-       = ["--disable-ld-override"]
+           = ["--disable-ld-override"]
-       | otherwise
+           | otherwise
-       = []
+           = []
 
-  lift $ logInfo "Installing GHC (this may take a while)"
+      lift $ logInfo "Installing GHC (this may take a while)"
-  lEM $ execLogged "sh"
+      lEM $ execLogged "sh"
-                   ("./configure" : ("--prefix=" <> inst) 
+                       ("./configure" : ("--prefix=" <> inst) 
-                    : alpineArgs
+                        : alpineArgs
-                   )
+                       )
-                   (Just path)
+                       (Just path)
-                   "ghc-configure"
+                       "ghc-configure"
-                   Nothing
+                       Nothing
-  lEM $ make ["install"] (Just path)
+      lEM $ make ["install"] (Just path)
-  pure ()
+      pure ()
-#endif
 
 
 -- | Installs GHC into @~\/.ghcup\/ghc/\<ver\>@ and places the
@@ -1147,15 +1141,17 @@ setGHC ver sghc = do
           logDebug $ "rm -f " <> T.pack fullF
           hideError doesNotExistErrorType $ rmDirectoryLink fullF
           logDebug $ "ln -s " <> T.pack targetF <> " " <> T.pack fullF
-          liftIO
+
-#if defined(IS_WINDOWS)
+          if isWindows
-            -- On windows we need to be more permissive
+          then liftIO
-            -- in case symlinks can't be created, be just
+                 -- On windows we need to be more permissive
-            -- give up here. This symlink isn't strictly necessary.
+                 -- in case symlinks can't be created, be just
-            $ hideError permissionErrorType
+                 -- give up here. This symlink isn't strictly necessary.
-            $ hideError illegalOperationErrorType
+                 $ hideError permissionErrorType
-#endif
+                 $ hideError illegalOperationErrorType
-            $ createDirectoryLink targetF fullF
+                 $ createDirectoryLink targetF fullF
+          else liftIO
+                 $ createDirectoryLink targetF fullF
       _ -> pure ()
 
 unsetGHC :: ( MonadReader env m
@@ -1876,17 +1872,17 @@ rmGhcup = do
 
   unless areEqualPaths $ logWarn $ nonStandardInstallLocationMsg currentRunningExecPath
 
-#if defined(IS_WINDOWS)
+  if isWindows
-  -- since it doesn't seem possible to delete a running exe on windows
+  then do
-  -- we move it to temp dir, to be deleted at next reboot
+    -- since it doesn't seem possible to delete a running exe on windows
-  tempFilepath <- mkGhcupTmpDir
+    -- we move it to temp dir, to be deleted at next reboot
-  hideError UnsupportedOperation $
+    tempFilepath <- mkGhcupTmpDir
-            liftIO $ hideError NoSuchThing $
+    hideError UnsupportedOperation $
-            Win32.moveFileEx ghcupFilepath (Just (tempFilepath </> "ghcup")) 0
+              liftIO $ hideError NoSuchThing $
-#else
+              moveFile ghcupFilepath (tempFilepath </> "ghcup")
-  -- delete it.
+  else
-  hideError doesNotExistErrorType $ rmFile ghcupFilepath
+    -- delete it.
-#endif
+    hideError doesNotExistErrorType $ rmFile ghcupFilepath
 
   where
     handlePathNotPresent fp _err = do
@@ -1946,10 +1942,9 @@ rmGhcupDirs = do
 
   handleRm $ rmBinDir binDir
   handleRm $ rmDir recycleDir
-#if defined(IS_WINDOWS)
+  when isWindows $ do
-  logInfo $ "removing " <> T.pack (baseDir </> "msys64")
+    logInfo $ "removing " <> T.pack (baseDir </> "msys64")
-  handleRm $ rmPathForcibly (baseDir </> "msys64")
+    handleRm $ rmPathForcibly (baseDir </> "msys64")
-#endif
 
   handleRm $ removeEmptyDirsRecursive baseDir
 
@@ -1983,15 +1978,13 @@ rmGhcupDirs = do
         forM_ contents (deleteFile . (dir </>))
 
     rmBinDir :: (MonadReader env m, HasDirs env, MonadMask m, MonadIO m, MonadCatch m) => FilePath -> m ()
-    rmBinDir binDir = do
+    rmBinDir binDir
-#if !defined(IS_WINDOWS)
+      | isWindows = removeDirIfEmptyOrIsSymlink binDir
-      isXDGStyle <- liftIO useXDG
+      | otherwise = do
-      if not isXDGStyle
+          isXDGStyle <- liftIO useXDG
-        then removeDirIfEmptyOrIsSymlink binDir
+          if not isXDGStyle
-        else pure ()
+            then removeDirIfEmptyOrIsSymlink binDir
-#else
+            else pure ()
-      removeDirIfEmptyOrIsSymlink binDir
-#endif
 
     reportRemainingFiles :: MonadIO m => FilePath -> m [FilePath]
     reportRemainingFiles dir = do
@@ -2311,11 +2304,9 @@ compileGHC targetGhc ov bstrap jobs mbuildConfig patchdir aargs buildFlavour had
                        m
                        FilePath
   findHadrianFile workdir = do
-#if defined(IS_WINDOWS)
+    let possible_files = if isWindows
-    let possible_files = ((workdir </> "hadrian") </>) <$> ["build.bat"]
+                         then ((workdir </> "hadrian") </>) <$> ["build.bat"]
-#else   
+                         else ((workdir </> "hadrian") </>) <$> ["build", "build.sh"]
-    let possible_files = ((workdir </> "hadrian") </>) <$> ["build", "build.sh"]
-#endif
     exsists <- forM possible_files (\f -> liftIO (doesFileExist f) <&> (,f))
     case filter fst exsists of
       [] -> throwE HadrianNotFound
@@ -2489,9 +2480,7 @@ compileGHC targetGhc ov bstrap jobs mbuildConfig patchdir aargs buildFlavour had
                       (\x -> ["--target=" <> T.unpack x])
                       (_tvTarget tver)
             ++ ["--prefix=" <> ghcdir]
-#if defined(IS_WINDOWS)
+            ++ (if isWindows then ["--enable-tarballs-autodownload"] else [])
-            ++ ["--enable-tarballs-autodownload"]
-#endif
             ++ fmap T.unpack aargs
             )
             (Just workdir)
@@ -2505,9 +2494,7 @@ compileGHC targetGhc ov bstrap jobs mbuildConfig patchdir aargs buildFlavour had
                    (\x -> ["--target=" <> T.unpack x])
                    (_tvTarget tver)
           ++ ["--prefix=" <> ghcdir]
-#if defined(IS_WINDOWS)
+          ++ (if isWindows then ["--enable-tarballs-autodownload"] else [])
-          ++ ["--enable-tarballs-autodownload"]
-#endif
           ++ fmap T.unpack aargs
           )
           (Just workdir)

lib/GHCup/Download.hs

@@ -49,7 +49,6 @@ import           Control.Monad.Reader
 import           Control.Monad.Trans.Resource
                                          hiding ( throwM )
 import           Data.Aeson
-import           Data.Bifunctor
 import           Data.ByteString                ( ByteString )
 #if defined(INTERNAL_DOWNLOADER)
 import           Data.CaseInsensitive           ( mk )
@@ -87,7 +86,7 @@ import qualified Data.Map.Strict               as M
 import qualified Data.Text                     as T
 import qualified Data.Text.IO                  as T
 import qualified Data.Text.Encoding            as E
-import qualified Data.YAML.Aeson               as Y
+import qualified Data.Yaml.Aeson               as Y
 
 
 
@@ -183,15 +182,14 @@ getBase uri = do
 
   -- if we didn't get a filepath from the download, use the cached yaml
   actualYaml <- maybe (lift $ yamlFromCache uri) pure mYaml
-  yamlContents <- liftIOException doesNotExistErrorType (FileDoesNotExistError actualYaml) $ liftIO $ L.readFile actualYaml
   lift $ logDebug $ "Decoding yaml at: " <> T.pack actualYaml
 
   liftE
     . onE_ (onError actualYaml)
-    . lE' @_ @_ @'[JSONError] JSONDecodeError
+    . lEM' @_ @_ @'[JSONError] (\(displayException -> e) -> JSONDecodeError $ unlines [e, "Consider removing " <> actualYaml <> " manually."])
-    . first (\(_, e) -> unlines [e, "Consider removing " <> actualYaml <> " manually."])
+    . liftIO 
-    . Y.decode1
+    . Y.decodeFileEither
-    $ yamlContents
+    $ actualYaml
  where
   -- On error, remove the etags file and set access time to 0. This should ensure the next invocation
   -- may re-download and succeed.

lib/GHCup/Utils.hs

@@ -22,13 +22,21 @@ installation and introspection of files/versions etc.
 module GHCup.Utils
   ( module GHCup.Utils.Dirs
   , module GHCup.Utils
+#if defined(IS_WINDOWS)
+  , module GHCup.Utils.Windows
+#else
+  , module GHCup.Utils.Posix
+#endif
   )
 where
 
 
 #if defined(IS_WINDOWS)
-import           GHCup.Download
+import GHCup.Utils.Windows
+#else
+import GHCup.Utils.Posix
 #endif
+import           GHCup.Download
 import           GHCup.Errors
 import           GHCup.Types
 import           GHCup.Types.Optics
@@ -51,9 +59,6 @@ import           Control.Monad.Reader
 import           Control.Monad.Trans.Resource
                                          hiding ( throwM )
 import           Control.Monad.IO.Unlift        ( MonadUnliftIO( withRunInIO ) )
-#if defined(IS_WINDOWS)
-import           Data.Bits
-#endif
 import           Data.ByteString                ( ByteString )
 import           Data.Either
 import           Data.Foldable
@@ -69,11 +74,6 @@ import           Safe
 import           System.Directory      hiding   ( findFiles )
 import           System.FilePath
 import           System.IO.Error
-#if defined(IS_WINDOWS)
-import           System.Win32.Console
-import           System.Win32.File     hiding ( copyFile )
-import           System.Win32.Types
-#endif
 import           Text.Regex.Posix
 import           URI.ByteString
 
@@ -1000,50 +1000,17 @@ getVersionInfo v' tool =
 
 -- | The file extension for executables.
 exeExt :: String
-#if defined(IS_WINDOWS)
+exeExt
-exeExt = ".exe"
+  | isWindows = ".exe"
-#else
+  | otherwise = ""
-exeExt = ""
-#endif
 
 -- | The file extension for executables.
 exeExt' :: ByteString
-#if defined(IS_WINDOWS)
+exeExt'
-exeExt' = ".exe"
+  | isWindows = ".exe"
-#else
+  | otherwise = ""
-exeExt' = ""
-#endif
 
 
--- | Enables ANSI support on windows, does nothing on unix.
---
--- Returns 'Left str' on errors and 'Right bool' on success, where
--- 'bool' markes whether ansi support was already enabled.
---
--- This function never crashes.
---
--- Rip-off of https://docs.rs/ansi_term/0.12.1/x86_64-pc-windows-msvc/src/ansi_term/windows.rs.html#10-61
-enableAnsiSupport :: IO (Either String Bool)
-#if defined(IS_WINDOWS)
-enableAnsiSupport = handleIO (pure . Left . displayException) $ do
-  -- ref: https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilew
-  -- Using `CreateFileW("CONOUT$", ...)` to retrieve the console handle works correctly even if STDOUT and/or STDERR are redirected
-  h <- createFile "CONOUT$" (gENERIC_WRITE .|. gENERIC_READ)
-    fILE_SHARE_WRITE Nothing oPEN_EXISTING 0 Nothing
-  when (h == iNVALID_HANDLE_VALUE ) $ fail "invalid handle value"
-
-  -- ref: https://docs.microsoft.com/en-us/windows/console/getconsolemode
-  m <- getConsoleMode h
-
-  -- VT processing not already enabled?
-  if ((m .&. eNABLE_VIRTUAL_TERMINAL_PROCESSING) == 0)
-  -- https://docs.microsoft.com/en-us/windows/console/setconsolemode
-  then setConsoleMode h (m .|. eNABLE_VIRTUAL_TERMINAL_PROCESSING)
-    >> pure (Right False)
-  else pure (Right True)
-#else
-enableAnsiSupport = pure (Right True)
-#endif
 
 
 -- | On unix, we can use symlinks, so we just get the
@@ -1052,33 +1019,27 @@ enableAnsiSupport = pure (Right True)
 -- On windows, we have to emulate symlinks via shims,
 -- see 'createLink'.
 getLinkTarget :: FilePath -> IO FilePath
-getLinkTarget fp = do
+getLinkTarget fp
-#if defined(IS_WINDOWS)
+  | isWindows = do
-  content <- readFile (dropExtension fp <.> "shim")
+      content <- readFile (dropExtension fp <.> "shim")
-  [p] <- pure . filter ("path = " `isPrefixOf`) . lines $ content
+      [p] <- pure . filter ("path = " `isPrefixOf`) . lines $ content
-  pure $ stripNewline $ dropPrefix "path = " p
+      pure $ stripNewline $ dropPrefix "path = " p
-#else
+  | otherwise = getSymbolicLinkTarget fp
-  getSymbolicLinkTarget fp
-#endif
 
 
 -- | Checks whether the path is a link.
 pathIsLink :: FilePath -> IO Bool
-#if defined(IS_WINDOWS)
+pathIsLink fp
-pathIsLink fp = doesPathExist (dropExtension fp <.> "shim")
+  | isWindows = doesPathExist (dropExtension fp <.> "shim")
-#else
+  | otherwise = pathIsSymbolicLink fp
-pathIsLink = pathIsSymbolicLink
-#endif
 
 
 rmLink :: (MonadReader env m, HasDirs env, MonadIO m, MonadMask m) => FilePath -> m ()
-#if defined(IS_WINDOWS)
+rmLink fp
-rmLink fp = do
+  | isWindows = do
-  hideError doesNotExistErrorType . recycleFile $ fp
+      hideError doesNotExistErrorType . recycleFile $ fp
-  hideError doesNotExistErrorType . recycleFile $ (dropExtension fp <.> "shim")
+      hideError doesNotExistErrorType . recycleFile $ (dropExtension fp <.> "shim")
-#else
+  | otherwise = hideError doesNotExistErrorType . recycleFile $ fp
-rmLink = hideError doesNotExistErrorType . recycleFile
-#endif
 
 
 -- | Creates a symbolic link on unix and a fake symlink on windows for
@@ -1102,31 +1063,30 @@ createLink :: ( MonadMask m
            => FilePath      -- ^ path to the target executable
            -> FilePath      -- ^ path to be created
            -> m ()
-createLink link exe = do
+createLink link exe
-#if defined(IS_WINDOWS)
+  | isWindows = do
-  dirs <- getDirs
+      dirs <- getDirs
-  let shimGen = cacheDir dirs </> "gs.exe"
+      let shimGen = cacheDir dirs </> "gs.exe"
 
-  let shim = dropExtension exe <.> "shim"
+      let shim = dropExtension exe <.> "shim"
-      -- For hardlinks, link needs to be absolute.
+          -- For hardlinks, link needs to be absolute.
-      -- If link is relative, it's relative to the target exe.
+          -- If link is relative, it's relative to the target exe.
-      -- Note that (</>) drops lhs when rhs is absolute.
+          -- Note that (</>) drops lhs when rhs is absolute.
-      fullLink = takeDirectory exe </> link
+          fullLink = takeDirectory exe </> link
-      shimContents = "path = " <> fullLink
+          shimContents = "path = " <> fullLink
 
-  logDebug $ "rm -f " <> T.pack exe
+      logDebug $ "rm -f " <> T.pack exe
-  rmLink exe
+      rmLink exe
 
-  logDebug $ "ln -s " <> T.pack fullLink <> " " <> T.pack exe
+      logDebug $ "ln -s " <> T.pack fullLink <> " " <> T.pack exe
-  liftIO $ copyFile shimGen exe
+      liftIO $ copyFile shimGen exe
-  liftIO $ writeFile shim shimContents
+      liftIO $ writeFile shim shimContents
-#else
+  | otherwise = do
-  logDebug $ "rm -f " <> T.pack exe
+      logDebug $ "rm -f " <> T.pack exe
-  hideError doesNotExistErrorType $ recycleFile exe
+      hideError doesNotExistErrorType $ recycleFile exe
 
-  logDebug $ "ln -s " <> T.pack link <> " " <> T.pack exe
+      logDebug $ "ln -s " <> T.pack link <> " " <> T.pack exe
-  liftIO $ createFileLink link exe
+      liftIO $ createFileLink link exe
-#endif
 
 
 ensureGlobalTools :: ( MonadMask m
@@ -1141,23 +1101,20 @@ ensureGlobalTools :: ( MonadMask m
                      , MonadFail m
                      )
                   => Excepts '[GPGError, DigestError , DownloadFailed, NoDownload] m ()
-ensureGlobalTools = do
+ensureGlobalTools
-#if defined(IS_WINDOWS)
+  | isWindows = do
-  (GHCupInfo _ _ gTools) <- lift getGHCupInfo
+      (GHCupInfo _ _ gTools) <- lift getGHCupInfo
-  dirs <- lift getDirs
+      dirs <- lift getDirs
-  shimDownload <- liftE $ lE @_ @'[NoDownload]
+      shimDownload <- liftE $ lE @_ @'[NoDownload]
-    $ maybe (Left NoDownload) Right $ Map.lookup ShimGen gTools
+        $ maybe (Left NoDownload) Right $ Map.lookup ShimGen gTools
-  let dl = downloadCached' shimDownload (Just "gs.exe") Nothing
+      let dl = downloadCached' shimDownload (Just "gs.exe") Nothing
-  void $ (\(DigestError _ _ _) -> do
+      void $ (\DigestError{} -> do
-      lift $ logWarn "Digest doesn't match, redownloading gs.exe..."
+          lift $ logWarn "Digest doesn't match, redownloading gs.exe..."
-      lift $ logDebug ("rm -f " <> T.pack (cacheDir dirs </> "gs.exe"))
+          lift $ logDebug ("rm -f " <> T.pack (cacheDir dirs </> "gs.exe"))
-      lift $ hideError doesNotExistErrorType $ recycleFile (cacheDir dirs </> "gs.exe")
+          lift $ hideError doesNotExistErrorType $ recycleFile (cacheDir dirs </> "gs.exe")
-      liftE @'[GPGError, DigestError , DownloadFailed] $ dl
+          liftE @'[GPGError, DigestError , DownloadFailed] $ dl
-    ) `catchE` (liftE @'[GPGError, DigestError , DownloadFailed] dl)
+        ) `catchE` liftE @'[GPGError, DigestError , DownloadFailed] dl
-  pure ()
+  | otherwise = pure ()
-#else
-  pure ()
-#endif
 
 
 -- | Ensure ghcup directory structure exists.

lib/GHCup/Utils/Dirs.hs

@@ -25,9 +25,7 @@ module GHCup.Utils.Dirs
   , relativeSymlink
   , withGHCupTmpDir
   , getConfigFilePath
-#if !defined(IS_WINDOWS)
   , useXDG
-#endif
   , cleanupTrash
   )
 where
@@ -59,7 +57,7 @@ import           System.IO.Temp
 
 import qualified Data.ByteString               as BS
 import qualified Data.Text                     as T
-import qualified Data.YAML.Aeson               as Y
+import qualified Data.Yaml.Aeson               as Y
 import qualified Text.Megaparsec               as MP
 import Control.Concurrent (threadDelay)
 
@@ -75,26 +73,25 @@ import Control.Concurrent (threadDelay)
 -- If 'GHCUP_USE_XDG_DIRS' is set (to anything),
 -- then uses 'XDG_DATA_HOME/ghcup' as per xdg spec.
 ghcupBaseDir :: IO FilePath
-ghcupBaseDir = do
+ghcupBaseDir
-#if defined(IS_WINDOWS)
+  | isWindows = do
-  bdir <- fromMaybe "C:\\" <$> lookupEnv "GHCUP_INSTALL_BASE_PREFIX"
+      bdir <- fromMaybe "C:\\" <$> lookupEnv "GHCUP_INSTALL_BASE_PREFIX"
-  pure (bdir </> "ghcup")
-#else
-  xdg <- useXDG
-  if xdg
-    then do
-      bdir <- lookupEnv "XDG_DATA_HOME" >>= \case
-        Just r  -> pure r
-        Nothing -> do
-          home <- liftIO getHomeDirectory
-          pure (home </> ".local" </> "share")
       pure (bdir </> "ghcup")
-    else do
+  | otherwise = do
-      bdir <- lookupEnv "GHCUP_INSTALL_BASE_PREFIX" >>= \case
+      xdg <- useXDG
-        Just r  -> pure r
+      if xdg
-        Nothing -> liftIO getHomeDirectory
+        then do
-      pure (bdir </> ".ghcup")
+          bdir <- lookupEnv "XDG_DATA_HOME" >>= \case
-#endif
+            Just r  -> pure r
+            Nothing -> do
+              home <- liftIO getHomeDirectory
+              pure (home </> ".local" </> "share")
+          pure (bdir </> "ghcup")
+        else do
+          bdir <- lookupEnv "GHCUP_INSTALL_BASE_PREFIX" >>= \case
+            Just r  -> pure r
+            Nothing -> liftIO getHomeDirectory
+          pure (bdir </> ".ghcup")
 
 
 -- | ~/.ghcup by default
@@ -102,45 +99,41 @@ ghcupBaseDir = do
 -- If 'GHCUP_USE_XDG_DIRS' is set (to anything),
 -- then uses 'XDG_CONFIG_HOME/ghcup' as per xdg spec.
 ghcupConfigDir :: IO FilePath
-ghcupConfigDir = do
+ghcupConfigDir
-#if defined(IS_WINDOWS)
+  | isWindows = ghcupBaseDir
-  ghcupBaseDir
+  | otherwise = do
-#else
+      xdg <- useXDG
-  xdg <- useXDG
+      if xdg
-  if xdg
+        then do
-    then do
+          bdir <- lookupEnv "XDG_CONFIG_HOME" >>= \case
-      bdir <- lookupEnv "XDG_CONFIG_HOME" >>= \case
+            Just r  -> pure r
-        Just r  -> pure r
+            Nothing -> do
-        Nothing -> do
+              home <- liftIO getHomeDirectory
-          home <- liftIO getHomeDirectory
+              pure (home </> ".config")
-          pure (home </> ".config")
+          pure (bdir </> "ghcup")
-      pure (bdir </> "ghcup")
+        else do
-    else do
+          bdir <- lookupEnv "GHCUP_INSTALL_BASE_PREFIX" >>= \case
-      bdir <- lookupEnv "GHCUP_INSTALL_BASE_PREFIX" >>= \case
+            Just r  -> pure r
-        Just r  -> pure r
+            Nothing -> liftIO getHomeDirectory
-        Nothing -> liftIO getHomeDirectory
+          pure (bdir </> ".ghcup")
-      pure (bdir </> ".ghcup")
-#endif
 
 
 -- | If 'GHCUP_USE_XDG_DIRS' is set (to anything),
 -- then uses 'XDG_BIN_HOME' env var or defaults to '~/.local/bin'
 -- (which, sadly is not strictly xdg spec).
 ghcupBinDir :: IO FilePath
-ghcupBinDir = do
+ghcupBinDir
-#if defined(IS_WINDOWS)
+  | isWindows = ghcupBaseDir <&> (</> "bin")
-  ghcupBaseDir <&> (</> "bin")
+  | otherwise = do
-#else
+      xdg <- useXDG
-  xdg <- useXDG
+      if xdg
-  if xdg
+        then do
-    then do
+          lookupEnv "XDG_BIN_HOME" >>= \case
-      lookupEnv "XDG_BIN_HOME" >>= \case
+            Just r  -> pure r
-        Just r  -> pure r
+            Nothing -> do
-        Nothing -> do
+              home <- liftIO getHomeDirectory
-          home <- liftIO getHomeDirectory
+              pure (home </> ".local" </> "bin")
-          pure (home </> ".local" </> "bin")
+        else ghcupBaseDir <&> (</> "bin")
-    else ghcupBaseDir <&> (</> "bin")
-#endif
 
 
 -- | Defaults to '~/.ghcup/cache'.
@@ -148,21 +141,19 @@ ghcupBinDir = do
 -- If 'GHCUP_USE_XDG_DIRS' is set (to anything),
 -- then uses 'XDG_CACHE_HOME/ghcup' as per xdg spec.
 ghcupCacheDir :: IO FilePath
-ghcupCacheDir = do
+ghcupCacheDir
-#if defined(IS_WINDOWS)
+  | isWindows = ghcupBaseDir <&> (</> "cache")
-  ghcupBaseDir <&> (</> "cache")
+  | otherwise = do
-#else
+      xdg <- useXDG
-  xdg <- useXDG
+      if xdg
-  if xdg
+        then do
-    then do
+          bdir <- lookupEnv "XDG_CACHE_HOME" >>= \case
-      bdir <- lookupEnv "XDG_CACHE_HOME" >>= \case
+            Just r  -> pure r
-        Just r  -> pure r
+            Nothing -> do
-        Nothing -> do
+              home <- liftIO getHomeDirectory
-          home <- liftIO getHomeDirectory
+              pure (home </> ".cache")
-          pure (home </> ".cache")
+          pure (bdir </> "ghcup")
-      pure (bdir </> "ghcup")
+        else ghcupBaseDir <&> (</> "cache")
-    else ghcupBaseDir <&> (</> "cache")
-#endif
 
 
 -- | Defaults to '~/.ghcup/logs'.
@@ -170,21 +161,19 @@ ghcupCacheDir = do
 -- If 'GHCUP_USE_XDG_DIRS' is set (to anything),
 -- then uses 'XDG_CACHE_HOME/ghcup/logs' as per xdg spec.
 ghcupLogsDir :: IO FilePath
-ghcupLogsDir = do
+ghcupLogsDir
-#if defined(IS_WINDOWS)
+  | isWindows = ghcupBaseDir <&> (</> "logs")
-  ghcupBaseDir <&> (</> "logs")
+  | otherwise = do
-#else
+      xdg <- useXDG
-  xdg <- useXDG
+      if xdg
-  if xdg
+        then do
-    then do
+          bdir <- lookupEnv "XDG_CACHE_HOME" >>= \case
-      bdir <- lookupEnv "XDG_CACHE_HOME" >>= \case
+            Just r  -> pure r
-        Just r  -> pure r
+            Nothing -> do
-        Nothing -> do
+              home <- liftIO getHomeDirectory
-          home <- liftIO getHomeDirectory
+              pure (home </> ".cache")
-          pure (home </> ".cache")
+          pure (bdir </> "ghcup" </> "logs")
-      pure (bdir </> "ghcup" </> "logs")
+        else ghcupBaseDir <&> (</> "logs")
-    else ghcupBaseDir <&> (</> "logs")
-#endif
 
 
 -- | '~/.ghcup/trash'.
@@ -222,7 +211,7 @@ ghcupConfigFile = do
   contents <- liftIO $ handleIO' NoSuchThing (\_ -> pure Nothing) $ Just <$> BS.readFile filepath
   case contents of
       Nothing -> pure defaultUserSettings
-      Just contents' -> lE' JSONDecodeError . first snd . Y.decode1Strict $ contents'
+      Just contents' -> lE' JSONDecodeError . first displayException . Y.decodeEither' $ contents'
 
 
     -------------------------
@@ -320,10 +309,8 @@ withGHCupTmpDir = snd <$> withRunInIO (\run ->
     --------------
 
 
-#if !defined(IS_WINDOWS)
 useXDG :: IO Bool
 useXDG = isJust <$> lookupEnv "GHCUP_USE_XDG_DIRS"
-#endif
 
 
 relativeSymlink :: FilePath  -- ^ the path in which to create the symlink

lib/GHCup/Utils/Posix.hs

@@ -0,0 +1,14 @@
+module GHCup.Utils.Posix where
+
+
+-- | Enables ANSI support on windows, does nothing on unix.
+--
+-- Returns 'Left str' on errors and 'Right bool' on success, where
+-- 'bool' markes whether ansi support was already enabled.
+--
+-- This function never crashes.
+--
+-- Rip-off of https://docs.rs/ansi_term/0.12.1/x86_64-pc-windows-msvc/src/ansi_term/windows.rs.html#10-61
+enableAnsiSupport :: IO (Either String Bool)
+enableAnsiSupport = pure (Right True)
+

lib/GHCup/Utils/Prelude.hs

@@ -17,14 +17,25 @@ Portability : portable
 
 GHCup specific prelude. Lots of Excepts functionality.
 -}
-module GHCup.Utils.Prelude where
+module GHCup.Utils.Prelude
-
+  (module GHCup.Utils.Prelude,
 #if defined(IS_WINDOWS)
-import           GHCup.Types
+   module GHCup.Utils.Prelude.Windows
+#else
+   module GHCup.Utils.Prelude.Posix
 #endif
+  )
+where
+
+import           GHCup.Types
 import           GHCup.Errors
 import           GHCup.Types.Optics
 import {-# SOURCE #-} GHCup.Utils.Logger
+#if defined(IS_WINDOWS)
+import           GHCup.Utils.Prelude.Windows
+#else
+import           GHCup.Utils.Prelude.Posix
+#endif
 
 import           Control.Applicative
 import           Control.Exception.Safe
@@ -45,17 +56,13 @@ import           Haskus.Utils.Types.List
 import           Haskus.Utils.Variant.Excepts
 import           Text.PrettyPrint.HughesPJClass ( prettyShow, Pretty )
 import           System.IO.Error
-#if defined(IS_WINDOWS)
 import           System.IO.Temp
-#endif
 import           System.IO.Unsafe
 import           System.Directory
 import           System.FilePath
 
-#if defined(IS_WINDOWS)
 import           Control.Retry
 import           GHC.IO.Exception
-#endif
 
 import qualified Data.ByteString               as B
 import qualified Data.ByteString.Lazy          as L
@@ -69,9 +76,6 @@ import qualified Data.Text.Lazy                as TL
 import qualified Data.Text.Lazy.Builder        as B
 import qualified Data.Text.Lazy.Builder.Int    as B
 import qualified Data.Text.Lazy.Encoding       as TLE
-#if defined(IS_WINDOWS)
-import qualified System.Win32.File             as Win32
-#endif
 
 
 -- $setup
@@ -438,19 +442,17 @@ recyclePathForcibly :: ( MonadIO m
                        )
                     => FilePath
                     -> m ()
-recyclePathForcibly fp = do
+recyclePathForcibly fp
-#if defined(IS_WINDOWS)
+  | isWindows = do
-  Dirs { recycleDir } <- getDirs
+      Dirs { recycleDir } <- getDirs
-  tmp <- liftIO $ createTempDirectory recycleDir "recyclePathForcibly"
+      tmp <- liftIO $ createTempDirectory recycleDir "recyclePathForcibly"
-  let dest = tmp </> takeFileName fp
+      let dest = tmp </> takeFileName fp
-  liftIO (Win32.moveFileEx fp (Just dest) 0)
+      liftIO (moveFile fp dest)
-      `catch`
+          `catch`
-      (\e -> if isPermissionError e {- EXDEV on windows -} then recover (liftIO $ removePathForcibly fp) else throwIO e)
+          (\e -> if isPermissionError e {- EXDEV on windows -} then recover (liftIO $ removePathForcibly fp) else throwIO e)
-      `finally`
+          `finally`
-        (liftIO $ handleIO (\_ -> pure ()) $ removePathForcibly tmp)
+            liftIO (handleIO (\_ -> pure ()) $ removePathForcibly tmp)
-#else
+  | otherwise = liftIO $ removePathForcibly fp
-  liftIO $ removePathForcibly fp
-#endif
 
 
 rmPathForcibly :: ( MonadIO m
@@ -458,23 +460,17 @@ rmPathForcibly :: ( MonadIO m
                   )
                => FilePath
                -> m ()
-rmPathForcibly fp =
+rmPathForcibly fp
-#if defined(IS_WINDOWS)
+  | isWindows = recover (liftIO $ removePathForcibly fp)
-  recover (liftIO $ removePathForcibly fp)
+  | otherwise = liftIO $ removePathForcibly fp
-#else
-  liftIO $ removePathForcibly fp
-#endif
 
 
 rmDirectory :: (MonadIO m, MonadMask m)
             => FilePath
             -> m ()
-rmDirectory fp =
+rmDirectory fp
-#if defined(IS_WINDOWS)
+  | isWindows = recover (liftIO $ removeDirectory fp)
-  recover (liftIO $ removeDirectory fp)
+  | otherwise = liftIO $ removeDirectory fp
-#else
-  liftIO $ removeDirectory fp
-#endif
 
 
 -- https://www.sqlite.org/src/info/89f1848d7f
@@ -486,20 +482,18 @@ recycleFile :: ( MonadIO m
                )
             => FilePath
             -> m ()
-recycleFile fp = do
+recycleFile fp
-#if defined(IS_WINDOWS)
+  | isWindows = do
-  Dirs { recycleDir } <- getDirs
+      Dirs { recycleDir } <- getDirs
-  liftIO $ whenM (doesDirectoryExist fp) $ ioError (IOError Nothing InappropriateType "recycleFile" "" Nothing (Just fp))
+      liftIO $ whenM (doesDirectoryExist fp) $ ioError (IOError Nothing InappropriateType "recycleFile" "" Nothing (Just fp))
-  tmp <- liftIO $ createTempDirectory recycleDir "recycleFile"
+      tmp <- liftIO $ createTempDirectory recycleDir "recycleFile"
-  let dest = tmp </> takeFileName fp
+      let dest = tmp </> takeFileName fp
-  liftIO (Win32.moveFileEx fp (Just dest) 0)
+      liftIO (moveFile fp dest)
-    `catch`
+        `catch`
-      (\e -> if isPermissionError e {- EXDEV on windows -} then recover (liftIO $ removePathForcibly fp) else throwIO e)
+          (\e -> if isPermissionError e {- EXDEV on windows -} then recover (liftIO $ removePathForcibly fp) else throwIO e)
-    `finally`
+        `finally`
-      (liftIO $ handleIO (\_ -> pure ()) $ removePathForcibly tmp)
+          liftIO (handleIO (\_ -> pure ()) $ removePathForcibly tmp)
-#else
+  | otherwise = liftIO $ removeFile fp
-  liftIO $ removeFile fp
-#endif
 
 
 rmFile :: ( MonadIO m
@@ -507,26 +501,19 @@ rmFile :: ( MonadIO m
           )
       => FilePath
       -> m ()
-rmFile fp =
+rmFile fp
-#if defined(IS_WINDOWS)
+  | isWindows = recover (liftIO $ removeFile fp)
-  recover (liftIO $ removeFile fp)
+  | otherwise = liftIO $ removeFile fp
-#else
-  liftIO $ removeFile fp
-#endif
 
 
 rmDirectoryLink :: (MonadIO m, MonadMask m, MonadReader env m, HasDirs env)
                 => FilePath
                 -> m ()
-rmDirectoryLink fp = 
+rmDirectoryLink fp
-#if defined(IS_WINDOWS)
+  | isWindows = recover (liftIO $ removeDirectoryLink fp)
-  recover (liftIO $ removeDirectoryLink fp)
+  | otherwise = liftIO $ removeDirectoryLink fp
-#else
-  liftIO $ removeDirectoryLink fp
-#endif
 
 
-#if defined(IS_WINDOWS)
 recover :: (MonadIO m, MonadMask m) => m a -> m a
 recover action = 
   recovering (fullJitterBackoff 25000 <> limitRetries 10)
@@ -535,7 +522,6 @@ recover action =
     ,\_ -> Handler (\e -> pure (ioeGetErrorType e == UnsatisfiedConstraints))
     ]
     (\_ -> action)
-#endif
 
 
 copyFileE :: (CopyError :< xs, MonadCatch m, MonadIO m) => FilePath -> FilePath -> Excepts xs m ()
@@ -752,5 +738,3 @@ breakOn needle haystack | needle `isPrefixOf` haystack = ([], haystack)
 breakOn _ [] = ([], [])
 breakOn needle (x:xs) = first (x:) $ breakOn needle xs
 
-
-

lib/GHCup/Utils/Prelude/Posix.hs

@@ -0,0 +1,20 @@
+module GHCup.Utils.Prelude.Posix where
+
+import System.Directory
+import System.Posix.Files
+
+
+isWindows, isNotWindows :: Bool
+isWindows = False
+isNotWindows = not isWindows
+
+
+moveFile :: FilePath -> FilePath -> IO ()
+moveFile = rename
+
+
+moveFilePortable :: FilePath -> FilePath -> IO ()
+moveFilePortable from to = do
+  copyFile from to
+  removeFile from
+  

lib/GHCup/Utils/Prelude/Windows.hs

@@ -0,0 +1,17 @@
+module GHCup.Utils.Prelude.Windows where
+
+import qualified System.Win32.File             as Win32
+
+
+isWindows, isNotWindows :: Bool
+isWindows = True
+isNotWindows = not isWindows
+
+
+moveFile :: FilePath -> FilePath -> IO ()
+moveFile from to = Win32.moveFileEx from (Just to) 0
+
+
+moveFilePortable :: FilePath -> FilePath -> IO ()
+moveFilePortable = Win32.moveFile
+

lib/GHCup/Utils/Windows.hs

@@ -0,0 +1,48 @@
+{-# LANGUAGE CPP                   #-}
+{-# LANGUAGE DataKinds             #-}
+{-# LANGUAGE FlexibleContexts      #-}
+{-# LANGUAGE OverloadedStrings     #-}
+
+module GHCup.Utils.Windows where
+
+
+import           Control.Exception.Safe
+import           Control.Monad
+#if !MIN_VERSION_base(4,13,0)
+import           Control.Monad.Fail             ( MonadFail )
+#endif
+import           Data.Bits
+
+import           System.Win32.Console
+import           System.Win32.File     hiding ( copyFile )
+import           System.Win32.Types
+
+
+
+
+-- | Enables ANSI support on windows, does nothing on unix.
+--
+-- Returns 'Left str' on errors and 'Right bool' on success, where
+-- 'bool' markes whether ansi support was already enabled.
+--
+-- This function never crashes.
+--
+-- Rip-off of https://docs.rs/ansi_term/0.12.1/x86_64-pc-windows-msvc/src/ansi_term/windows.rs.html#10-61
+enableAnsiSupport :: IO (Either String Bool)
+enableAnsiSupport = handleIO (pure . Left . displayException) $ do
+  -- ref: https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilew
+  -- Using `CreateFileW("CONOUT$", ...)` to retrieve the console handle works correctly even if STDOUT and/or STDERR are redirected
+  h <- createFile "CONOUT$" (gENERIC_WRITE .|. gENERIC_READ)
+    fILE_SHARE_WRITE Nothing oPEN_EXISTING 0 Nothing
+  when (h == iNVALID_HANDLE_VALUE ) $ fail "invalid handle value"
+
+  -- ref: https://docs.microsoft.com/en-us/windows/console/getconsolemode
+  m <- getConsoleMode h
+
+  -- VT processing not already enabled?
+  if m .&. eNABLE_VIRTUAL_TERMINAL_PROCESSING == 0
+  -- https://docs.microsoft.com/en-us/windows/console/setconsolemode
+  then setConsoleMode h (m .|. eNABLE_VIRTUAL_TERMINAL_PROCESSING)
+    >> pure (Right False)
+  else pure (Right True)
+

lib/GHCup/Version.hs

@@ -28,7 +28,7 @@ import qualified Data.Text                     as T
 -- Note that when updating this, CI requires that the file exsists AND the same file exists at
 -- 'https://www.haskell.org/ghcup/exp/ghcup-<ver>.yaml' with some newlines added.
 ghcupURL :: URI
-ghcupURL = [uri|https://www.haskell.org/ghcup/data/ghcup-0.0.6.yaml|]
+ghcupURL = [uri|https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-0.0.6.yaml|]
 
 -- | The current ghcup version.
 ghcUpVer :: PVP

scripts/bootstrap/bootstrap-haskell

@@ -201,10 +201,10 @@ download_ghcup() {
 				i*86)
 					_url=${base_url}/${ghver}/i386-linux-ghcup-${ghver}
 					;;
-				armv7*)
+				armv7*|*armv8l*)
 					_url=${base_url}/${ghver}/armv7-linux-ghcup-${ghver}
 					;;
-				aarch64|arm64|armv8l)
+				aarch64|arm64)
 					# we could be in a 32bit docker container, in which
 					# case uname doesn't give us what we want
 					if [ "$(getconf LONG_BIT)" = "32" ] ; then

stack.yaml

@@ -17,6 +17,7 @@ extra-deps:
   - haskus-utils-data-1.4@sha256:bfa94363b94b14779edd6834fbd59dbb847c3d7b8f48e3844f456ffdc077da4a,1466
   - haskus-utils-types-1.5.1@sha256:991c472f4e751e2f0d7aab6ad4220ef151d6160876dcf0511bbf876bbd432020,1298
   - haskus-utils-variant-3.1@sha256:e602dd23e068c98d03c1027af20503addef8df6368577622453f44ccabea2a5b,2159
+  - heaps-0.3.6.1@sha256:7928b759ca5180d35722c45948c0bde264229f3c99c1888188a3d9285f13d3d2,1340
   - hpath-filepath-0.10.4@sha256:e9e44fb5fdbade7f30b5b5451257dbee15b6ef1aae4060034d73008bb3b5d878,1269
   - hpath-posix-0.13.3@sha256:abe472cf16bccd3a8b8814865ed3551a728fde0f3a2baea2acc03023bec6c565,1615
   - hspec-2.7.10@sha256:c9e82c90086acebac576552a06f3cabd249bba048edd1667c7fae0b1313d5bce,1712
@@ -25,6 +26,7 @@ extra-deps:
   - hspec-golden-aeson-0.9.0.0@sha256:aa17274114026661ba4dfc9c60c230673c8f408bd86482fd611d2d5cb6aff996,2179
   - http-io-streams-0.1.6.0@sha256:53f5bab177efb52cd65ec396fd04ed59b93e5f919fb3700cd7dacd6cfce6f06d,3582
   - libarchive-3.0.3.0
+  - libyaml-streamly-0.2.0
   - lzma-static-5.2.5.3@sha256:2758ee58c35992fcf7db78e98684c357a16a82fa2a4e7c352a6c210c08c555d8,7308
   - optics-0.4@sha256:9fb69bf0195b8d8f1f8cd0098000946868b8a3c3ffb51e5b64f79fc600c3eb4c,6568
   - optics-core-0.4@sha256:59e04aebca536bd011ae50c781937f45af4c1456af1eb9fb578f9a69eee293cd,4995
@@ -33,11 +35,10 @@ extra-deps:
   - os-release-1.0.1@sha256:1281c62081f438fc3f0874d3bae6a4887d5964ac25261ba06e29d368ab173467,2716
   - primitive-0.7.1.0@sha256:29de6bfd0cf8ba023ceb806203dfbec0e51e3524e75ffe41056f70b4229c6f0f,2728
   - regex-posix-clib-2.7
-  - streamly-0.7.3@sha256:ad2a488fe802692ed47cab9fd0416c2904aac9e51cf2d8aafd1c3a40064c42f5,27421
+  - streamly-0.8.0@sha256:9784c80ee1ada51477520cabc4e92a0c76a6bb265f968a188f2fce818e7398e0,19654
-  - streamly-bytestring-0.1.2@sha256:cc828f41d1c714c711d38fb213b4ed186febabba598ab080e13255f69c20b13c,2469
-  - streamly-posix-0.1.0.1@sha256:5d89b806281035d34020387ed99dde1ddab282c7ed66df3b7cd010b38fd3517b,2138
   - strict-base-0.4.0.0@sha256:2ff4e43cb95eedf2995558d7fc34d19362846413dd39e6aa6a5b3ea8228fef9f,1248
   - xor-0.0.1.0@sha256:f8362b4a68562b9afbcd727ff64c1a303970df3a032e0033d2f4c094c3501df3,2243
+  - yaml-streamly-0.12.0
 
 flags:
   http-io-streams: