Alert user if upgraded ghcup is shadowed by old ghcup

Also alerts if the binary is not in PATH at all.

Fixes #111

.gitlab-ci.yml

@@ -125,8 +125,8 @@ test:linux:bootstrap_script:
   script:
     - ./.gitlab/script/ghcup_bootstrap.sh
   variables:
-    GHC_VERSION: "8.8.4"
-    CABAL_VERSION: "3.2.0.0"
+    GHC_VERSION: "8.10.3"
+    CABAL_VERSION: "3.4.0.0"
   extends:
     - .debian
 
@@ -135,14 +135,14 @@ test:linux:bootstrap_script:
 test:linux:recommended:
   extends: .test_ghcup_version:linux
   variables:
-    GHC_VERSION: "8.8.4"
-    CABAL_VERSION: "3.2.0.0"
+    GHC_VERSION: "8.10.3"
+    CABAL_VERSION: "3.4.0.0"
 
 test:linux:latest:
   extends: .test_ghcup_version:linux
   variables:
-    GHC_VERSION: "8.10.2"
-    CABAL_VERSION: "3.2.0.0"
+    GHC_VERSION: "8.10.3"
+    CABAL_VERSION: "3.4.0.0"
   allow_failure: true
 
 ######## linux 32bit test ########
@@ -150,7 +150,7 @@ test:linux:latest:
 test:linux:recommended:32bit:
   extends: .test_ghcup_version:linux32
   variables:
-    GHC_VERSION: "8.8.4"
+    GHC_VERSION: "8.10.2"
     CABAL_VERSION: "3.2.0.0"
 
 ######## darwin test ########
@@ -158,14 +158,14 @@ test:linux:recommended:32bit:
 test:mac:recommended:
   extends: .test_ghcup_version:darwin
   variables:
-    GHC_VERSION: "8.8.4"
-    CABAL_VERSION: "3.2.0.0"
+    GHC_VERSION: "8.10.3"
+    CABAL_VERSION: "3.4.0.0"
 
 test:mac:latest:
   extends: .test_ghcup_version:darwin
   variables:
-    GHC_VERSION: "8.10.2"
-    CABAL_VERSION: "3.2.0.0"
+    GHC_VERSION: "8.10.3"
+    CABAL_VERSION: "3.4.0.0"
   allow_failure: true
 
 
@@ -174,14 +174,14 @@ test:mac:latest:
 test:freebsd:recommended:
   extends: .test_ghcup_version:freebsd
   variables:
-    GHC_VERSION: "8.8.4"
-    CABAL_VERSION: "3.2.0.0"
+    GHC_VERSION: "8.10.3"
+    CABAL_VERSION: "3.4.0.0"
 
 test:freebsd:latest:
   extends: .test_ghcup_version:freebsd
   variables:
-    GHC_VERSION: "8.10.2"
-    CABAL_VERSION: "3.2.0.0"
+    GHC_VERSION: "8.10.3"
+    CABAL_VERSION: "3.4.0.0"
   allow_failure: true
 
 
@@ -195,8 +195,8 @@ release:linux:64bit:
     - ./.gitlab/before_script/linux/alpine/install_deps.sh
   variables:
     ARTIFACT: "x86_64-linux-ghcup"
-    GHC_VERSION: "8.8.4"
-    CABAL_VERSION: "3.2.0.0"
+    GHC_VERSION: "8.10.3"
+    CABAL_VERSION: "3.4.0.0"
 
 
 release:linux:32bit:
@@ -207,7 +207,7 @@ release:linux:32bit:
     - ./.gitlab/before_script/linux/alpine/install_deps.sh
   variables:
     ARTIFACT: "i386-linux-ghcup"
-    GHC_VERSION: "8.8.4"
+    GHC_VERSION: "8.10.2"
     CABAL_VERSION: "3.2.0.0"
 
 
@@ -222,8 +222,8 @@ release:darwin:
     - ./.gitlab/before_script/darwin/install_deps.sh
   variables:
     ARTIFACT: "x86_64-apple-darwin-ghcup"
-    GHC_VERSION: "8.8.3"
-    CABAL_VERSION: "3.2.0.0"
+    GHC_VERSION: "8.10.3"
+    CABAL_VERSION: "3.4.0.0"
     MACOSX_DEPLOYMENT_TARGET: "10.7"
 
 
@@ -238,6 +238,6 @@ release:freebsd:
     - ./.gitlab/before_script/freebsd/install_deps.sh
   variables:
     ARTIFACT: "x86_64-portbld-freebsd-ghcup"
-    GHC_VERSION: "8.8.3"
-    CABAL_VERSION: "3.2.0.0"
+    GHC_VERSION: "8.10.3"
+    CABAL_VERSION: "3.4.0.0"
 

.gitlab/before_script/darwin/install_deps.sh

@@ -9,8 +9,9 @@ mkdir -p "${TMPDIR}"
 curl -sSfL https://downloads.haskell.org/~ghcup/x86_64-apple-darwin-ghcup > ./ghcup-bin
 chmod +x ghcup-bin
 
-./ghcup-bin install ${GHC_VERSION}
-./ghcup-bin set ${GHC_VERSION}
-./ghcup-bin install-cabal ${CABAL_VERSION}
+./ghcup-bin upgrade -i -f
+./ghcup-bin -s file://$(pwd)/ghcup-${JSON_VERSION}.yaml install ${GHC_VERSION}
+./ghcup-bin -s file://$(pwd)/ghcup-${JSON_VERSION}.yaml set ${GHC_VERSION}
+./ghcup-bin -s file://$(pwd)/ghcup-${JSON_VERSION}.yaml install-cabal ${CABAL_VERSION}
 
 exit 0

.gitlab/before_script/freebsd/install_deps.sh

@@ -11,8 +11,9 @@ mkdir -p "${TMPDIR}"
 curl -sSfL https://downloads.haskell.org/~ghcup/x86_64-portbld-freebsd-ghcup > ./ghcup-bin
 chmod +x ghcup-bin
 
-./ghcup-bin install ${GHC_VERSION}
-./ghcup-bin install-cabal ${CABAL_VERSION}
-./ghcup-bin set ${GHC_VERSION}
+./ghcup-bin upgrade -i -f
+./ghcup-bin -s file://$(pwd)/ghcup-${JSON_VERSION}.yaml install ${GHC_VERSION}
+./ghcup-bin -s file://$(pwd)/ghcup-${JSON_VERSION}.yaml set ${GHC_VERSION}
+./ghcup-bin -s file://$(pwd)/ghcup-${JSON_VERSION}.yaml install-cabal ${CABAL_VERSION}
 
 exit 0

.gitlab/before_script/linux/alpine/install_deps.sh

@@ -24,8 +24,9 @@ else
 	curl -sSfL https://downloads.haskell.org/ghcup/x86_64-linux-ghcup > ./ghcup-bin
 fi
 chmod +x ghcup-bin
-./ghcup-bin install ${GHC_VERSION}
-./ghcup-bin install-cabal ${CABAL_VERSION}
+./ghcup-bin upgrade -i -f
+./ghcup-bin -s file://$(pwd)/ghcup-${JSON_VERSION}.yaml install ${GHC_VERSION}
+./ghcup-bin -s file://$(pwd)/ghcup-${JSON_VERSION}.yaml install-cabal ${CABAL_VERSION}
 
 # utils
 apk add --no-cache \

.gitlab/before_script/linux/install_deps.sh

@@ -12,7 +12,8 @@ sudo apt-get install -y libnuma-dev zlib1g-dev libgmp-dev libgmp10 libssl-dev li
 curl -sSfL https://downloads.haskell.org/~ghcup/x86_64-linux-ghcup > ./ghcup-bin
 chmod +x ghcup-bin
 
-./ghcup-bin install ${GHC_VERSION}
-./ghcup-bin set ${GHC_VERSION}
-./ghcup-bin install-cabal ${CABAL_VERSION}
+./ghcup-bin upgrade -i -f
+./ghcup-bin -s file://$(pwd)/ghcup-${JSON_VERSION}.yaml install ${GHC_VERSION}
+./ghcup-bin -s file://$(pwd)/ghcup-${JSON_VERSION}.yaml set ${GHC_VERSION}
+./ghcup-bin -s file://$(pwd)/ghcup-${JSON_VERSION}.yaml install-cabal ${CABAL_VERSION}
 

.gitlab/script/ghcup_release.sh

@@ -22,9 +22,9 @@ if [ "${OS}" = "LINUX" ] ; then
 		ecabal build -w ghc-${GHC_VERSION} --ghc-options='-split-sections -optl-static' -ftui
 	fi
 elif [ "${OS}" = "FREEBSD" ] ; then
-	ecabal build -w ghc-${GHC_VERSION} --ghc-options='-split-sections' --constraint="zlib static" -ftui
+	ecabal build -w ghc-${GHC_VERSION} --ghc-options='-split-sections' --constraint="zlib +static" -ftui
 else
-	ecabal build -w ghc-${GHC_VERSION} --constraint="zlib static" --constraint="lzma static" -ftui
+	ecabal build -w ghc-${GHC_VERSION} --constraint="zlib +static" --constraint="lzma +static" -ftui
 fi
 
 mkdir out

.travis/build.sh

@@ -2,23 +2,21 @@
 
 set -ex
 
-## install ghc via old ghcup
-
 mkdir -p ~/.ghcup/bin
-curl https://gitlab.haskell.org/haskell/ghcup/raw/master/ghcup > ~/.ghcup/bin/ghcup
+curl -sSfL https://downloads.haskell.org/~ghcup/x86_64-apple-darwin-ghcup > ~/.ghcup/bin/ghcup
 chmod +x ~/.ghcup/bin/ghcup
 
 export PATH="$HOME/.ghcup/bin:$PATH"
 
-ghcup install 8.8.3
-ghcup install-cabal 3.2.0.0
-ghcup set 8.8.3
+ghcup install 8.10.3
+ghcup install-cabal 3.4.0.0-rc4
+ghcup set 8.10.3
 
 
 ## install ghcup
 
 cabal update
-cabal build --constraint="zlib static" --constraint="lzma static" -ftui
+cabal build --constraint="zlib +static" --constraint="lzma +static" -ftui
 cp "$(cabal new-exec --verbose=0 --offline sh -- -c 'command -v ghcup')" .
 strip ./ghcup
 cp ghcup "./${ARTIFACT}"

CHANGELOG.md

@@ -1,8 +1,10 @@
 # Revision history for ghcup
 
-## WIP
+## 0.1.13 -- ????-??-??
 
-* Fix to `ghcup` directory creation and placement for the XDG install mode.
+* Fix to `ghcup` directory creation and placement for the XDG install mode ([MR #49](https://gitlab.haskell.org/haskell/ghcup-hs/-/merge_requests/49))
+* Do 755 permissions on executables, wrt #97
+* Add [NO_COLOR](https://no-color.org/) support wrt [MR #47](https://gitlab.haskell.org/haskell/ghcup-hs/-/merge_requests/47)
 
 ## 0.1.12 -- 2020-11-21
 

HACKING.md

@@ -52,8 +52,19 @@ organised tree-ish in `GHCup.Utils` and `GHCup.Utils.*`.
 Anything dealing with ghcup specific directories is in
 `GHCup.Utils.Dirs`.
 
-Download information on where to fetch bindists from is in
-`GHCup.Data.GHCupDownloads`.
+Download information on where to fetch bindists from is in the appropriate
+yaml files: `ghcup-<yaml-ver>.yaml`.
+
+## Common Tasks
+
+### Adding a new GHC version
+
+1. open the latest `ghcup-<yaml-ver>.yaml`
+2. find the latest ghc version (in yaml tree e.g. `ghcupDownloads -> GHC -> 8.10.3`)
+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-tarballs -f ghcup-<yaml-ver>.yaml -u 'ghc-8\.10\.4'`
 
 ## Major refactors
 

app/ghcup-gen/Main.hs

@@ -14,6 +14,7 @@ import           GHCup.Types
 import           GHCup.Types.JSON               ( )
 import           GHCup.Utils.Logger
 
+import           Data.Char                      ( toLower )
 #if !MIN_VERSION_base(4,13,0)
 import           Data.Semigroup                 ( (<>) )
 #endif
@@ -21,6 +22,7 @@ import           Options.Applicative     hiding ( style )
 import           System.Console.Pretty
 import           System.Exit
 import           System.IO                      ( stdout )
+import           Text.Regex.Posix
 import           Validate
 
 import qualified Data.ByteString               as B
@@ -32,7 +34,7 @@ data Options = Options
   }
 
 data Command = ValidateYAML ValidateYAMLOpts
-             | ValidateTarballs ValidateYAMLOpts
+             | ValidateTarballs ValidateYAMLOpts TarballFilter
 
 
 data Input
@@ -63,6 +65,22 @@ data ValidateYAMLOpts = ValidateYAMLOpts
 validateYAMLOpts :: Parser ValidateYAMLOpts
 validateYAMLOpts = ValidateYAMLOpts <$> optional inputP
 
+tarballFilterP :: Parser TarballFilter
+tarballFilterP = option readm $
+  long "tarball-filter" <> short 'u' <> metavar "<tool>-<version>" <> value def
+    <> help "Only check certain tarballs (format: <tool>-<version>)"
+  where
+    def = TarballFilter Nothing (makeRegex ("" :: String))
+    readm = do
+      s <- str
+      case span (/= '-') s of
+        (_, []) -> fail "invalid format, missing '-' after the tool name"
+        (t, v) | [tool] <- [ tool | tool <- [minBound..maxBound], low (show tool) == low t ] ->
+          TarballFilter <$> pure (Just tool) <*> makeRegexOptsM compIgnoreCase execBlank (drop 1 v)
+        _ -> fail "invalid tool"
+    low = fmap toLower
+
+
 opts :: Parser Options
 opts = Options <$> com
 
@@ -78,11 +96,9 @@ com = subparser
      )
   <> (command
        "check-tarballs"
-       (   ValidateTarballs
-       <$> (info
-             (validateYAMLOpts <**> helper)
-             (progDesc "Validate all tarballs (download and checksum)")
-           )
+       (info
+         ((ValidateTarballs <$> validateYAMLOpts <*> tarballFilterP) <**> helper)
+         (progDesc "Validate all tarballs (download and checksum)")
        )
      )
   )
@@ -100,13 +116,13 @@ main = do
               B.getContents >>= valAndExit validate
             ValidateYAMLOpts { vInput = Just (FileInput file) } ->
               B.readFile file >>= valAndExit validate
-          ValidateTarballs vopts -> case vopts of
+          ValidateTarballs vopts tarballFilter -> case vopts of
             ValidateYAMLOpts { vInput = Nothing } ->
-              B.getContents >>= valAndExit validateTarballs
+              B.getContents >>= valAndExit (validateTarballs tarballFilter)
             ValidateYAMLOpts { vInput = Just StdInput } ->
-              B.getContents >>= valAndExit validateTarballs
+              B.getContents >>= valAndExit (validateTarballs tarballFilter)
             ValidateYAMLOpts { vInput = Just (FileInput file) } ->
-              B.readFile file >>= valAndExit validateTarballs
+              B.readFile file >>= valAndExit (validateTarballs tarballFilter)
   pure ()
 
  where

app/ghcup-gen/Validate.hs

@@ -7,6 +7,7 @@ module Validate where
 import           GHCup
 import           GHCup.Download
 import           GHCup.Types
+import           GHCup.Types.Optics
 import           GHCup.Utils.Dirs
 import           GHCup.Utils.Logger
 import           GHCup.Utils.Version.QQ
@@ -21,6 +22,7 @@ import           Control.Monad.Trans.Reader     ( runReaderT )
 import           Control.Monad.Trans.Resource   ( runResourceT
                                                 , MonadUnliftIO
                                                 )
+import           Data.Containers.ListUtils      ( nubOrd )
 import           Data.IORef
 import           Data.List
 import           Data.String.Interpolate
@@ -30,6 +32,7 @@ import           Optics
 import           System.Exit
 import           System.IO
 import           Text.ParserCombinators.ReadP
+import           Text.Regex.Posix
 
 import qualified Data.ByteString               as B
 import qualified Data.Map.Strict               as M
@@ -64,7 +67,7 @@ validate dls = do
     forM_ (M.toList dls) $ \(t, versions) ->
       forM_ (M.toList versions) $ \(v, vi) ->
         forM_ (M.toList $ _viArch vi) $ \(arch, pspecs) -> do
-          checkHasRequiredPlatforms t v arch (M.keys pspecs)
+          checkHasRequiredPlatforms t v (_viTags vi) arch (M.keys pspecs)
 
     checkGHCVerIsValid
     forM_ (M.toList dls) $ \(t, _) -> checkMandatoryTags t
@@ -78,17 +81,18 @@ validate dls = do
         lift $ $(logInfo) [i|All good|]
         pure ExitSuccess
  where
-  checkHasRequiredPlatforms t v arch pspecs = do
+  checkHasRequiredPlatforms t v tags arch pspecs = do
     let v' = prettyVer v
+        arch' = prettyArch arch
     when (not $ any (== Linux UnknownLinux) pspecs) $ do
       lift $ $(logError)
-        [i|Linux UnknownLinux missing for for #{t} #{v'} #{arch}|]
+        [i|Linux UnknownLinux missing for for #{t} #{v'} #{arch'}|]
       addError
     when ((not $ any (== Darwin) pspecs) && arch == A_64) $ do
-      lift $ $(logError) [i|Darwin missing for #{t} #{v'} #{arch}|]
+      lift $ $(logError) [i|Darwin missing for #{t} #{v'} #{arch'}|]
       addError
     when ((not $ any (== FreeBSD) pspecs) && arch == A_64) $ lift $ $(logWarn)
-      [i|FreeBSD missing for #{t} #{v'} #{arch}|]
+      [i|FreeBSD missing for #{t} #{v'} #{arch'}|]
 
     -- alpine needs to be set explicitly, because
     -- we cannot assume that "Linux UnknownLinux" runs on Alpine
@@ -96,8 +100,9 @@ validate dls = do
     when (not $ any (== Linux Alpine) pspecs) $
       case t of
         GHCup -> (lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch}|]) >> addError
-        Cabal | v > [vver|2.4.1.0|] -> (lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch}|]) >> addError
-        _     -> lift $ $(logWarn) [i|Linux Alpine missing for #{t} #{v'} #{arch}|]
+        Cabal | v > [vver|2.4.1.0|] -> (lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch'}|]) >> addError
+        GHC | Latest `elem` tags || Recommended `elem` tags -> lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch'}|]
+        _ -> lift $ $(logWarn) [i|Linux Alpine missing for #{t} #{v'} #{arch'}|]
 
   checkUniqueTags tool = do
     let allTags = join $ M.elems $ availableToolVersions dls tool
@@ -157,6 +162,11 @@ validate dls = do
   isBase (Base _) = True
   isBase _        = False
 
+data TarballFilter = TarballFilter
+  { tfTool    :: Maybe Tool
+  , tfVersion :: Regex
+  }
+
 validateTarballs :: ( Monad m
                     , MonadLogger m
                     , MonadThrow m
@@ -164,23 +174,20 @@ validateTarballs :: ( Monad m
                     , MonadUnliftIO m
                     , MonadMask m
                     )
-                 => GHCupDownloads
+                 => TarballFilter
+                 -> GHCupDownloads
                  -> m ExitCode
-validateTarballs dls = do
+validateTarballs (TarballFilter tool versionRegex) dls = do
   ref <- liftIO $ newIORef 0
 
   flip runReaderT ref $ do
-     -- download/verify all binary tarballs
-    let
-      dlbis = nub $ join $ (M.elems dls) <&> \versions ->
-        join $ (M.elems versions) <&> \vi ->
-          join $ (M.elems $ _viArch vi) <&> \pspecs ->
-            join $ (M.elems pspecs) <&> \pverspecs -> (M.elems pverspecs)
-    forM_ dlbis $ downloadAll
-
-    let dlsrc = nub $ join $ (M.elems dls) <&> \versions ->
-          join $ (M.elems versions) <&> maybe [] (: []) . _viSourceDL
-    forM_ dlsrc $ downloadAll
+     -- download/verify all tarballs
+    let dlis = nubOrd $ dls ^.. each
+          %& indices (maybe (const True) (==) tool) %> each
+          %& indices (matchTest versionRegex . T.unpack . prettyVer)
+          % (viSourceDL % _Just `summing` viArch % each % each % each)
+    when (null dlis) $ $(logError) [i|no tarballs selected by filter|] *> addError
+    forM_ dlis $ downloadAll
 
     -- exit
     e <- liftIO $ readIORef ref
@@ -191,13 +198,13 @@ validateTarballs dls = do
         pure ExitSuccess
 
  where
+  runLogger = myLoggerT LoggerConfig { lcPrintDebug = True
+                                     , colorOutter  = B.hPut stderr
+                                     , rawOutter    = (\_ -> pure ())
+                                     }
   downloadAll dli = do
     dirs <- liftIO getDirs
     let settings = AppState (Settings True False Never Curl False GHCupURL) dirs defaultKeyBindings
-    let runLogger = myLoggerT LoggerConfig { lcPrintDebug = True
-                                           , colorOutter  = B.hPut stderr
-                                           , rawOutter    = (\_ -> pure ())
-                                           }
 
     r <-
       runLogger

app/ghcup/BrickMain.hs

@@ -44,6 +44,7 @@ import           Data.Vector                    ( Vector
 import           Data.Versions           hiding ( str )
 import           Haskus.Utils.Variant.Excepts
 import           Prelude                 hiding ( appendFile )
+import           System.Environment
 import           System.Exit
 import           System.IO.Unsafe
 import           URI.ByteString
@@ -118,8 +119,8 @@ showKey (Vty.KDown) = "↓"
 showKey key = tail (show key)
 
 
-ui :: BrickState -> Widget String
-ui BrickState { appSettings = as@(BrickSettings {}), ..}
+ui :: AttrMap -> BrickState -> Widget String
+ui dimAttrs BrickState { appSettings = as@(BrickSettings {}), ..}
   = ( padBottom Max
     $ ( withBorderStyle unicode
       $ borderWithLabel (str "GHCup")
@@ -150,9 +151,9 @@ ui BrickState { appSettings = as@(BrickSettings {}), ..}
         ver = case lCross of
           Nothing -> T.unpack . prettyVer $ lVer
           Just c  -> T.unpack (c <> "-" <> prettyVer lVer)
-        dim = if lNoBindist
-          then updateAttrMap (const dimAttributes) . withAttr "no-bindist"
-          else id
+        dim
+          | lNoBindist = updateAttrMap (const dimAttrs) . withAttr "no-bindist"
+          | otherwise  = id
         hooray
           | elem Latest lTag && not lInstalled =
               withAttr "hooray"
@@ -239,39 +240,49 @@ minHSize :: Int -> Widget n -> Widget n
 minHSize s' = hLimit s' . vLimit 1 . (<+> fill ' ')
 
 
-app :: App BrickState e String
-app = App { appDraw         = \st -> [ui st]
-          , appHandleEvent  = eventHandler
-          , appStartEvent   = return
-          , appAttrMap      = const defaultAttributes
-          , appChooseCursor = neverShowCursor
-          }
+app :: AttrMap -> AttrMap -> App BrickState e String
+app attrs dimAttrs =
+  App { appDraw         = \st -> [ui dimAttrs st]
+  , appHandleEvent  = eventHandler
+  , appStartEvent   = return
+  , appAttrMap      = const attrs
+  , appChooseCursor = neverShowCursor
+  }
 
-defaultAttributes :: AttrMap
-defaultAttributes = attrMap
+defaultAttributes :: Bool -> AttrMap
+defaultAttributes no_color = attrMap
   Vty.defAttr
-  [ ("active"       , Vty.defAttr `Vty.withBackColor` Vty.blue)
-  , ("not-installed", Vty.defAttr `Vty.withForeColor` Vty.red)
-  , ("set"          , Vty.defAttr `Vty.withForeColor` Vty.green)
-  , ("installed"    , Vty.defAttr `Vty.withForeColor` Vty.green)
-  , ("recommended"  , Vty.defAttr `Vty.withForeColor` Vty.green)
-  , ("hls-powered"  , Vty.defAttr `Vty.withForeColor` Vty.green)
-  , ("latest"       , Vty.defAttr `Vty.withForeColor` Vty.yellow)
-  , ("prerelease"   , Vty.defAttr `Vty.withForeColor` Vty.red)
-  , ("compiled"     , Vty.defAttr `Vty.withForeColor` Vty.blue)
-  , ("stray"        , Vty.defAttr `Vty.withForeColor` Vty.blue)
-  , ("help"         , Vty.defAttr `Vty.withStyle` Vty.italic)
-  , ("hooray"       , Vty.defAttr `Vty.withForeColor` Vty.brightWhite)
+  [ ("active"       , Vty.defAttr `withBackColor` Vty.blue)
+  , ("not-installed", Vty.defAttr `withForeColor` Vty.red)
+  , ("set"          , Vty.defAttr `withForeColor` Vty.green)
+  , ("installed"    , Vty.defAttr `withForeColor` Vty.green)
+  , ("recommended"  , Vty.defAttr `withForeColor` Vty.green)
+  , ("hls-powered"  , Vty.defAttr `withForeColor` Vty.green)
+  , ("latest"       , Vty.defAttr `withForeColor` Vty.yellow)
+  , ("prerelease"   , Vty.defAttr `withForeColor` Vty.red)
+  , ("compiled"     , Vty.defAttr `withForeColor` Vty.blue)
+  , ("stray"        , Vty.defAttr `withForeColor` Vty.blue)
+  , ("help"         , Vty.defAttr `withStyle`     Vty.italic)
+  , ("hooray"       , Vty.defAttr `withForeColor` Vty.brightWhite)
   ]
+  where
+    withForeColor | no_color  = const
+                  | otherwise = Vty.withForeColor
 
+    withBackColor | no_color  = \attr _ -> attr `Vty.withStyle` Vty.reverseVideo
+                  | otherwise = Vty.withBackColor
 
-dimAttributes :: AttrMap
-dimAttributes = attrMap
+    withStyle                 = Vty.withStyle
+
+dimAttributes :: Bool -> AttrMap
+dimAttributes no_color = attrMap
   (Vty.defAttr `Vty.withStyle` Vty.dim)
-  [ ("active"    , Vty.defAttr `Vty.withBackColor` Vty.blue)
+  [ ("active"    , Vty.defAttr `withBackColor` Vty.blue)
   , ("no-bindist", Vty.defAttr `Vty.withStyle` Vty.dim)
   ]
-
+  where
+    withBackColor | no_color  = \attr _ -> attr `Vty.withStyle` Vty.reverseVideo
+                  | otherwise = Vty.withBackColor
 
 eventHandler :: BrickState -> BrickEvent n e -> EventM n (Next BrickState)
 eventHandler st@(BrickState {..}) ev = do
@@ -520,11 +531,13 @@ brickMain s l av pfreq' = do
   writeIORef logger'   l
   let runLogger = myLoggerT l
 
+  no_color <- isJust <$> lookupEnv "NO_COLOR"
+
   eAppData <- getAppData (Just av) pfreq'
   case eAppData of
     Right ad ->
       defaultMain
-          app
+          (app (defaultAttributes no_color) (dimAttributes no_color))
           (BrickState ad
                     defaultAppSettings
                     (constructList ad defaultAppSettings Nothing)

app/ghcup/Main.hs

@@ -59,7 +59,8 @@ import           Options.Applicative     hiding ( style )
 import           Options.Applicative.Help.Pretty ( text )
 import           Prelude                 hiding ( appendFile )
 import           Safe
-import           System.Console.Pretty
+import           System.Console.Pretty   hiding ( color )
+import qualified System.Console.Pretty         as Pretty
 import           System.Environment
 import           System.Exit
 import           System.IO               hiding ( appendFile )
@@ -1178,7 +1179,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                             pure ExitSuccess
                           VLeft (V (AlreadyInstalled _ v)) -> do
                             runLogger $ $(logWarn)
-                              [i|GHC ver #{prettyVer v} already installed, you may want to run 'ghcup rm ghc #{prettyVer v}' first|]
+                              [i|GHC ver #{prettyVer v} already installed; if you really want to reinstall it, you may want to run 'ghcup rm ghc #{prettyVer v}' first|]
                             pure ExitSuccess
                           VLeft (V (BuildFailed tmpdir e)) -> do
                             case keepDirs settings of
@@ -1219,7 +1220,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                           pure ExitSuccess
                         VLeft (V (AlreadyInstalled _ v)) -> do
                           runLogger $ $(logWarn)
-                            [i|Cabal ver #{prettyVer v} already installed, you may want to run 'ghcup rm cabal #{prettyVer v}' first|]
+                            [i|Cabal ver #{prettyVer v} already installed; if you really want to reinstall it, you may want to run 'ghcup rm cabal #{prettyVer v}' first|]
                           pure ExitSuccess
                         VLeft (V NoDownload) -> do
 
@@ -1252,7 +1253,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                           pure ExitSuccess
                         VLeft (V (AlreadyInstalled _ v)) -> do
                           runLogger $ $(logWarn)
-                            [i|HLS ver #{prettyVer v} already installed, you may want to run 'ghcup rm hls #{prettyVer v}' first|]
+                            [i|HLS ver #{prettyVer v} already installed; if you really want to reinstall it, you may want to run 'ghcup rm hls #{prettyVer v}' first|]
                           pure ExitSuccess
                         VLeft (V NoDownload) -> do
 
@@ -1402,7 +1403,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                         pure ExitSuccess
                       VLeft (V (AlreadyInstalled _ v)) -> do
                         runLogger $ $(logWarn)
-                          [i|GHC ver #{prettyVer v} already installed, you may want to run 'ghcup rm ghc #{prettyVer v}' first|]
+                          [i|GHC ver #{prettyVer v} already installed; if you really want to reinstall it, you may want to run 'ghcup rm ghc #{prettyVer v}' first|]
                         pure ExitSuccess
                       VLeft (V (BuildFailed tmpdir e)) -> do
                         case keepDirs settings of
@@ -1531,6 +1532,20 @@ printListResult raw lr = do
   -- https://gitlab.haskell.org/ghc/ghc/issues/8118
   setLocaleEncoding utf8
 
+  no_color <- isJust <$> lookupEnv "NO_COLOR"
+
+  let
+    color | raw || no_color = flip const
+          | otherwise       = Pretty.color
+
+  let
+    printTag Recommended        = color Green "recommended"
+    printTag Latest             = color Yellow "latest"
+    printTag Prerelease         = color Red "prerelease"
+    printTag (Base       pvp'') = "base-" ++ T.unpack (prettyPVP pvp'')
+    printTag (UnknownTag t    ) = t
+    printTag Old                = ""
+
   let
     rows =
       (\x -> if raw
@@ -1552,13 +1567,13 @@ printListResult raw lr = do
                      , intercalate "," $ (filter (/= "") . fmap printTag $ sort lTag)
                      , intercalate ","
                      $  (if hlsPowered
-                          then [color' Green "hls-powered"]
+                          then [color Green "hls-powered"]
                           else mempty
                         )
-                     ++ (if fromSrc then [color' Blue "compiled"] else mempty)
-                     ++ (if lStray then [color' Yellow "stray"] else mempty)
+                     ++ (if fromSrc then [color Blue "compiled"] else mempty)
+                     ++ (if lStray then [color Yellow "stray"] else mempty)
                      ++ (if lNoBindist
-                          then [color' Red "no-bindist"]
+                          then [color Red "no-bindist"]
                           else mempty
                         )
                      ]
@@ -1571,16 +1586,6 @@ printListResult raw lr = do
 
   forM_ padded $ \row -> putStrLn $ intercalate " " row
  where
-  printTag Recommended        = color' Green "recommended"
-  printTag Latest             = color' Yellow "latest"
-  printTag Prerelease         = color' Red "prerelease"
-  printTag (Base       pvp'') = "base-" ++ T.unpack (prettyPVP pvp'')
-  printTag (UnknownTag t    ) = t
-  printTag Old                = ""
-
-  color' = case raw of
-    True  -> flip const
-    False -> color
 
   padTo str' x =
     let lstr = strWidth str'

cabal.ghc8103.project

@@ -0,0 +1,38 @@
+with-compiler: ghc-8.10.3
+
+packages: ./ghcup.cabal
+
+optional-packages: ./3rdparty/*/*.cabal
+
+source-repository-package
+    type: git
+    location: https://github.com/haskus/packages.git
+    tag: 80a1c5fc07f7226c424250ec17f674cd4d618f42
+    subdir: haskus-utils-types
+
+source-repository-package
+    type: git
+    location: https://github.com/hasufell/hpath.git
+    tag: bf6d28cf989b70286e12fecc183d5bbf5454a1a2
+    subdir: hpath-io
+
+source-repository-package
+    type: git
+    location: https://github.com/hasufell/hpath.git
+    tag: bf6d28cf989b70286e12fecc183d5bbf5454a1a2
+    subdir: hpath-directory
+
+optimization: 2
+
+package streamly
+    ghc-options: -O2 -fspec-constr-recursive=16 -fmax-worker-args=16
+
+package ghcup
+    ghc-options: -O2 -fspec-constr-recursive=16 -fmax-worker-args=16
+
+constraints: http-io-streams -brotli
+
+package libarchive
+  flags: -system-libarchive
+
+allow-newer: base, ghc-prim, template-haskell

cabal.ghc8103.project.freeze

@@ -0,0 +1,261 @@
+active-repositories: hackage.haskell.org:merge
+constraints: any.Cabal ==3.2.1.0,
+             any.HUnit ==1.6.2.0,
+             any.IfElse ==0.85,
+             any.QuickCheck ==2.14.2,
+             QuickCheck -old-random +templatehaskell,
+             any.StateVar ==1.2.1,
+             any.abstract-deque ==0.3,
+             abstract-deque -usecas,
+             any.aeson ==1.5.5.1,
+             aeson -bytestring-builder -cffi -developer -fast,
+             any.aeson-pretty ==0.8.8,
+             aeson-pretty -lib-only,
+             any.alex ==3.2.6,
+             alex +small_base,
+             any.ansi-terminal ==0.11,
+             ansi-terminal -example,
+             any.ansi-wl-pprint ==0.6.9,
+             ansi-wl-pprint -example,
+             any.array ==0.5.4.0,
+             any.ascii-string ==1.0.1.4,
+             any.assoc ==1.0.2,
+             any.async ==2.2.2,
+             async -bench,
+             any.atomic-primops ==0.8.4,
+             atomic-primops -debug,
+             any.attoparsec ==0.13.2.4,
+             attoparsec -developer,
+             any.auto-update ==0.1.6,
+             any.base ==4.14.1.0,
+             any.base-compat ==0.11.2,
+             any.base-compat-batteries ==0.11.2,
+             any.base-orphans ==0.8.4,
+             any.base16-bytestring ==1.0.1.0,
+             any.base64-bytestring ==1.2.0.1,
+             any.bifunctors ==5.5.10,
+             bifunctors +semigroups +tagged,
+             any.binary ==0.8.8.0,
+             any.blaze-builder ==0.4.2.1,
+             any.bytestring ==0.10.12.0,
+             any.bz2 ==1.0.1.0,
+             bz2 -cross +with-bzlib,
+             any.c2hs ==0.28.7,
+             c2hs +base3 -regression,
+             any.call-stack ==0.3.0,
+             any.case-insensitive ==1.2.1.0,
+             any.casing ==0.1.4.1,
+             any.cereal ==0.5.8.1,
+             cereal -bytestring-builder,
+             any.chs-cabal ==0.1.1.0,
+             any.chs-deps ==0.1.0.0,
+             chs-deps -cross,
+             any.clock ==0.8.2,
+             clock -llvm,
+             any.cmdargs ==0.10.20,
+             cmdargs +quotation -testprog,
+             any.colour ==2.3.5,
+             any.comonad ==5.0.8,
+             comonad +containers +distributive +indexed-traversable,
+             any.composition-prelude ==3.0.0.2,
+             composition-prelude -development,
+             any.concurrent-output ==1.10.12,
+             any.conduit ==1.3.4,
+             any.conduit-extra ==1.3.5,
+             any.containers ==0.6.2.1,
+             any.contravariant ==1.5.3,
+             contravariant +semigroups +statevar +tagged,
+             any.cryptohash-sha256 ==0.11.102.0,
+             cryptohash-sha256 -exe +use-cbits,
+             any.data-default-class ==0.1.2.0,
+             any.data-fix ==0.3.0,
+             any.deepseq ==1.4.4.0,
+             any.deferred-folds ==0.9.15,
+             any.directory ==1.3.6.0,
+             any.distributive ==0.6.2.1,
+             distributive +semigroups +tagged,
+             any.dlist ==1.0,
+             dlist -werror,
+             any.easy-file ==0.2.2,
+             any.errors ==2.3.0,
+             any.exceptions ==0.10.4,
+             any.fast-logger ==3.0.2,
+             any.filepath ==1.4.2.1,
+             any.focus ==1.0.2,
+             any.foldl ==1.4.10,
+             any.free ==5.1.6,
+             any.fusion-plugin-types ==0.1.0,
+             any.generic-arbitrary ==0.1.0,
+             any.generics-sop ==0.5.1.0,
+             any.ghc-boot-th ==8.10.3,
+             any.ghc-prim ==0.6.1,
+             ghcup -internal-downloader -tar -tui,
+             any.happy ==1.20.0,
+             any.hashable ==1.3.0.0,
+             hashable -examples +integer-gmp +sse2 -sse41,
+             any.haskell-src-exts ==1.23.1,
+             any.haskell-src-meta ==0.8.5,
+             any.haskus-utils-data ==1.3,
+             any.haskus-utils-types ==1.5,
+             any.haskus-utils-variant ==3.0,
+             any.heaps ==0.3.6.1,
+             any.hpath ==0.11.0,
+             any.hpath-directory ==0.14.1,
+             any.hpath-filepath ==0.10.4,
+             any.hpath-io ==0.14.1,
+             any.hpath-posix ==0.13.2,
+             any.hsc2hs ==0.68.7,
+             hsc2hs -in-ghc-tree,
+             any.hspec ==2.7.8,
+             any.hspec-core ==2.7.8,
+             any.hspec-discover ==2.7.8,
+             any.hspec-expectations ==0.8.2,
+             any.hspec-golden-aeson ==0.7.0.0,
+             any.indexed-profunctors ==0.1,
+             any.indexed-traversable ==0.1.1,
+             any.integer-gmp ==1.0.3.0,
+             any.integer-logarithms ==1.0.3.1,
+             integer-logarithms -check-bounds +integer-gmp,
+             any.language-c ==0.8.3,
+             language-c -allwarnings +iecfpextension +separatesyb +usebytestrings,
+             any.libarchive ==3.0.2.1,
+             libarchive -cross -low-memory -system-libarchive,
+             any.libyaml ==0.1.2,
+             libyaml -no-unicode -system-libyaml,
+             any.lifted-base ==0.2.3.12,
+             any.list-t ==1.0.4,
+             any.lockfree-queue ==0.2.3.1,
+             lzma -static,
+             any.math-functions ==0.3.4.1,
+             math-functions +system-erf +system-expm1,
+             any.megaparsec ==9.0.1,
+             megaparsec -dev,
+             any.microlens ==0.4.11.2,
+             any.microlens-mtl ==0.2.0.1,
+             any.microlens-th ==0.4.3.9,
+             any.mmorph ==1.1.4,
+             any.monad-control ==1.0.2.3,
+             any.monad-logger ==0.3.36,
+             monad-logger +template_haskell,
+             any.monad-loops ==0.4.3,
+             monad-loops +base4,
+             any.mono-traversable ==1.0.15.1,
+             any.mtl ==2.2.2,
+             any.mwc-random ==0.15.0.1,
+             any.network ==3.1.2.1,
+             network -devel,
+             any.old-locale ==1.0.0.7,
+             any.old-time ==1.1.0.3,
+             any.optics ==0.3,
+             any.optics-core ==0.3.0.1,
+             any.optics-extra ==0.3,
+             any.optics-th ==0.3.0.2,
+             any.optics-vl ==0.2.1,
+             any.optparse-applicative ==0.16.1.0,
+             optparse-applicative +process,
+             any.os-release ==1.0.1,
+             os-release -devel,
+             any.parallel ==3.2.2.0,
+             any.parsec ==3.1.14.0,
+             any.parser-combinators ==1.2.1,
+             parser-combinators -dev,
+             any.pretty ==1.1.3.6,
+             any.pretty-terminal ==0.1.0.0,
+             any.primitive ==0.7.0.1,
+             any.primitive-extras ==0.8,
+             any.primitive-unlifted ==0.1.3.0,
+             any.process ==1.6.9.0,
+             any.profunctors ==5.6.1,
+             any.quickcheck-arbitrary-adt ==0.3.1.0,
+             any.quickcheck-io ==0.2.0,
+             any.random ==1.2.0,
+             any.recursion-schemes ==5.2.1,
+             recursion-schemes +template-haskell,
+             any.regex-base ==0.94.0.0,
+             any.regex-posix ==0.96.0.0,
+             regex-posix -_regex-posix-clib,
+             any.resourcet ==1.2.4.2,
+             any.rts ==1.0,
+             any.safe ==0.3.19,
+             any.safe-exceptions ==0.1.7.1,
+             any.scientific ==0.3.6.2,
+             scientific -bytestring-builder -integer-simple,
+             any.semigroupoids ==5.3.5,
+             semigroupoids +comonad +containers +contravariant +distributive +tagged +unordered-containers,
+             any.setenv ==0.1.1.3,
+             any.sop-core ==0.5.0.1,
+             any.split ==0.2.3.4,
+             any.splitmix ==0.1.0.3,
+             splitmix -optimised-mixer,
+             any.stm ==2.5.0.0,
+             any.stm-chans ==3.0.0.4,
+             any.streaming-commons ==0.2.2.1,
+             streaming-commons -use-bytestring-builder,
+             any.streamly ==0.7.2,
+             streamly -debug -dev -examples -examples-sdl -fusion-plugin -has-llvm -inspection -no-fusion -streamk,
+             any.streamly-bytestring ==0.1.2,
+             any.streamly-posix ==0.1.0.1,
+             any.strict ==0.4.0.1,
+             strict +assoc,
+             any.strict-base ==0.4.0.0,
+             any.string-interpolate ==0.3.0.2,
+             string-interpolate -bytestring-builder -extended-benchmarks -text-builder,
+             any.syb ==0.7.2.1,
+             any.tagged ==0.8.6.1,
+             tagged +deepseq +transformers,
+             any.tasty ==1.3.1,
+             tasty +clock,
+             any.tasty-hunit ==0.10.0.3,
+             any.tasty-quickcheck ==0.10.1.2,
+             any.template-haskell ==2.16.0.0,
+             any.terminal-size ==0.3.2.1,
+             any.terminfo ==0.4.1.4,
+             any.text ==1.2.4.1,
+             any.text-conversions ==0.3.1,
+             any.text-short ==0.1.3,
+             text-short -asserts,
+             any.tf-random ==0.5,
+             any.th-abstraction ==0.4.2.0,
+             any.th-compat ==0.1,
+             any.th-expand-syns ==0.4.6.0,
+             any.th-lift ==0.8.2,
+             any.th-lift-instances ==0.1.18,
+             any.th-orphans ==0.13.11,
+             any.th-reify-many ==0.1.9,
+             any.these ==1.1.1.1,
+             these +assoc,
+             any.time ==1.9.3,
+             any.time-compat ==1.9.5,
+             time-compat -old-locale,
+             any.transformers ==0.5.6.2,
+             any.transformers-base ==0.4.5.2,
+             transformers-base +orphaninstances,
+             any.transformers-compat ==0.6.6,
+             transformers-compat -five +five-three -four +generic-deriving +mtl -three -two,
+             any.typed-process ==0.2.6.0,
+             any.unbounded-delays ==0.1.1.1,
+             any.unix ==2.7.2.2,
+             any.unix-bytestring ==0.3.7.3,
+             any.unix-compat ==0.5.3,
+             unix-compat -old-time,
+             any.unix-time ==0.4.7,
+             any.unliftio-core ==0.2.0.1,
+             any.unordered-containers ==0.2.13.0,
+             unordered-containers -debug,
+             any.uri-bytestring ==0.3.3.0,
+             uri-bytestring -lib-werror,
+             any.utf8-string ==1.0.2,
+             any.uuid-types ==1.0.3,
+             any.vector ==0.12.2.0,
+             vector +boundschecks -internalchecks -unsafechecks -wall,
+             any.vector-algorithms ==0.8.0.4,
+             vector-algorithms +bench +boundschecks -internalchecks -llvm +properties -unsafechecks,
+             any.versions ==4.0.2,
+             any.vty ==5.32,
+             any.wcwidth ==0.0.2,
+             wcwidth -cli +split-base,
+             any.word8 ==0.1.3,
+             any.yaml ==0.11.5.0,
+             yaml +no-examples +no-exe,
+             zlib -non-blocking-ffi -pkg-config -static
+index-state: hackage.haskell.org 2021-02-04T20:08:20Z

ghcup-0.0.2.yaml

@@ -1117,7 +1117,6 @@ ghcupDownloads:
             unknown_versioning: *ghc-8101-32-deb9
     8.10.2:
       viTags:
-      - Latest
       - base-4.14.1.0
       viChangeLog: https://downloads.haskell.org/~ghc/8.10.2/docs/html/users_guide/8.10.2-notes.html
       viSourceDL:
@@ -1193,6 +1192,79 @@ ghcupDownloads:
               dlUri: https://files.hasufell.de/ghc/ghc-8.10.2-i386-alpine-linux.tar.xz
               dlSubdir: ghc-8.10.2
               dlHash: 9ee1cf1e85e9536088b3c9e80e975074e525ea378cd4eb156071bbc4b7b38327
+    8.10.3:
+      viTags:
+      - Latest
+      - base-4.14.1.0
+      viChangeLog: https://downloads.haskell.org/~ghc/8.10.3/docs/html/users_guide/8.10.3-notes.html
+      viSourceDL:
+        dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-src.tar.xz
+        dlSubdir: ghc-8.10.3
+        dlHash: 9c573a4621a78723950617c223559bdc325ea6a3409264aedf68f05510b0880b
+      viArch:
+        A_64:
+          Linux_Debian:
+            '9': &ghc-8103-64-deb9
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-deb9-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: 95e4aadea30701fe5ab84d15f757926d843ded7115e11c4cd827809ca830718d
+            '10': &ghc-8103-64-deb10
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-deb10-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: c8f3d9f0e61a89eaba1d3ad8fb2eced1af0e81576811261b887993bee12538ac
+            unknown_versioning: *ghc-8103-64-deb9
+          Linux_Ubuntu:
+            unknown_versioning: &ghc-8103-64-fedora
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-fedora27-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: f8739b12008712d6b6a9ffc6c39f9d05af77ef3bcb932c9aff20fa0893c8c159
+            '16.04': *ghc-8103-64-deb9
+            '18.04': *ghc-8103-64-deb9
+          Linux_Mint:
+            unknown_versioning: *ghc-8103-64-deb10
+          Linux_Fedora:
+            '27': *ghc-8103-64-fedora
+            unknown_versioning: *ghc-8103-64-fedora
+          Linux_CentOS:
+            '7': &ghc-8103-64-centos
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-centos7-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: f562ca61979ff1d21e34e69e59028cb742a8eff8d84e46bbd3a750f2ac7d8ed1
+            unknown_versioning: *ghc-8103-64-centos
+          Linux_RedHat:
+            unknown_versioning: *ghc-8103-64-centos
+          Linux_Alpine:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-alpine3.10-linux-integer-simple.tar.xz
+              dlSubdir: ghc-8.10.3-x86_64-unknown-linux
+              dlHash: 8506c478ebbfb5441c3c36c07c36fc8532cacb2b3e13c6733bd44cb17b3ce96c
+          Linux_AmazonLinux:
+            unknown_versioning: *ghc-8103-64-centos
+          Linux_UnknownLinux:
+            unknown_versioning: *ghc-8103-64-fedora
+          Darwin:
+            unknown_versioning:
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+              dlSubdir: ghc-8.10.3
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   Cabal:
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       viTags: []

ghcup-0.0.3.yaml

@@ -1117,7 +1117,6 @@ ghcupDownloads:
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     8.10.2:
       viTags:
-      - Latest
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       viChangeLog: https://downloads.haskell.org/~ghc/8.10.2/docs/html/users_guide/8.10.2-notes.html
       viSourceDL:
@@ -1193,78 +1192,146 @@ ghcupDownloads:
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               dlSubdir: ghc-8.10.2
               dlHash: 9ee1cf1e85e9536088b3c9e80e975074e525ea378cd4eb156071bbc4b7b38327
-    9.0.0.20200925:
+    8.10.3:
+      viTags:
+      - Latest
+      - base-4.14.1.0
+      viChangeLog: https://downloads.haskell.org/~ghc/8.10.3/docs/html/users_guide/8.10.3-notes.html
+      viSourceDL:
+        dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-src.tar.xz
+        dlSubdir: ghc-8.10.3
+        dlHash: 9c573a4621a78723950617c223559bdc325ea6a3409264aedf68f05510b0880b
+      viArch:
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+          Linux_Debian:
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+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-deb9-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: 95e4aadea30701fe5ab84d15f757926d843ded7115e11c4cd827809ca830718d
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+              dlSubdir: ghc-8.10.3
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+          Linux_Ubuntu:
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+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-fedora27-linux.tar.xz
+              dlSubdir: ghc-8.10.3
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+            unknown_versioning: *ghc-8103-64-fedora
+          Linux_CentOS:
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+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-centos7-linux.tar.xz
+              dlSubdir: ghc-8.10.3
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+          Linux_RedHat:
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+          Linux_Alpine:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-alpine3.10-linux-integer-simple.tar.xz
+              dlSubdir: ghc-8.10.3-x86_64-unknown-linux
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+          Linux_AmazonLinux:
+            unknown_versioning: *ghc-8103-64-centos
+          Linux_UnknownLinux:
+            unknown_versioning: *ghc-8103-64-fedora
+          Darwin:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-apple-darwin.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: 2635f35d76e44e69afdfd37cae89d211975cc20f71f784363b72003e59f22015
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+              dlSubdir: ghc-8.10.3
+              dlHash: 749007e995104db05cf6e3ad5bc36238cab8afac8055145661e5730e8f8af040
+        A_32:
+          Linux_Debian:
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+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-i386-deb9-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: f0addd2a16b705f58ff9e8702c3ddf3e2d6bd0d3555707b5b5095e51bafee7b1
+            unknown_versioning: *ghc-8103-32-deb9
+          Linux_Ubuntu:
+            unknown_versioning: *ghc-8103-32-deb9
+          Linux_Mint:
+            unknown_versioning: *ghc-8103-32-deb9
+          Linux_UnknownLinux:
+            unknown_versioning: *ghc-8103-32-deb9
+    9.0.0.20201227:
       viTags:
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       viSourceDL:
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-        dlSubdir: ghc-9.0.0.20200925
-        dlHash: 142189a3a741af1deb40020c031f05aebfc2b6fd077ffd0c230cf405587cdbb0
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+        dlSubdir: ghc-9.0.0.20201227
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       viArch:
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           Linux_Ubuntu:
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-              dlUri: https://downloads.haskell.org/~ghc/9.0.1-alpha1/ghc-9.0.0.20200925-x86_64-fedora27-linux.tar.xz
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-            '18.04': *ghc-901a1-64-deb9
+            unknown_versioning: &ghc-901r1-64-fedora
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1-rc1/ghc-9.0.0.20201227-x86_64-fedora27-linux.tar.xz
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+            unknown_versioning: *ghc-901r1-64-deb10
           Linux_Fedora:
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-            unknown_versioning: *ghc-901a1-64-fedora
+            '27': *ghc-901r1-64-fedora
+            unknown_versioning: *ghc-901r1-64-fedora
           Linux_CentOS:
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-              dlUri: https://downloads.haskell.org/~ghc/9.0.1-alpha1/ghc-9.0.0.20200925-x86_64-centos7-linux.tar.xz
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+            '7': &ghc-901r1-64-centos
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1-rc1/ghc-9.0.0.20201227-x86_64-centos7-linux.tar.xz
+              dlSubdir: ghc-9.0.0.20201227
+              dlHash: 563370553544c825b0f43427065af789c56ee7ec9cccd497b9dc28c13fc537c5
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           Linux_RedHat:
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+            unknown_versioning: *ghc-901r1-64-centos
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghc/9.0.1-alpha1/ghc-9.0.0.20200925-x86_64-alpine3.10-linux-integer-simple.tar.xz
-              dlSubdir: ghc-9.0.0.20200925-x86_64-unknown-linux
-              dlHash: 05c0176e39cc89a95047060a589df0686ea1eb99b3de7f2cfadbe5e68bf93f68
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1-rc1/ghc-9.0.0.20201227-x86_64-alpine3.10-linux-integer-simple.tar.xz
+              dlSubdir: ghc-9.0.0.20201227-x86_64-unknown-linux
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           Linux_AmazonLinux:
-            unknown_versioning: *ghc-901a1-64-centos
+            unknown_versioning: *ghc-901r1-64-centos
           Linux_UnknownLinux:
-            unknown_versioning: *ghc-901a1-64-fedora
+            unknown_versioning: *ghc-901r1-64-fedora
           Darwin:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghc/9.0.1-alpha1/ghc-9.0.0.20200925-x86_64-apple-darwin.tar.xz
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-              dlSubdir: ghc-9.0.0.20200925
-              dlHash: 1e094cbbf9636b1f231bc99e44197fe7a05f570cf46f079bba1a0ca796c3c30c
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1-rc1/ghc-9.0.0.20201227-x86_64-apple-darwin.tar.xz
+              dlSubdir: ghc-9.0.0.20201227
+              dlHash: e6e5bf34c002d52d7108b9d4c8621ae3d21059509f8868bb81b0ba4fda6320da
         A_32:
           Linux_Debian:
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-            unknown_versioning: *ghc-901a1-32-deb9
+            '9': &ghc-901r1-32-deb9
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1-rc1/ghc-9.0.0.20201227-i386-deb9-linux.tar.xz
+              dlSubdir: ghc-9.0.0.20201227
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           Linux_Ubuntu:
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+            unknown_versioning: *ghc-901r1-32-deb9
           Linux_Mint:
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+            unknown_versioning: *ghc-901r1-32-deb9
           Linux_UnknownLinux:
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+            unknown_versioning: *ghc-901r1-32-deb9
   Cabal:
     2.4.1.0:
       viTags: []
@@ -1414,20 +1481,20 @@ ghcupDownloads:
           Linux_Alpine:
             unknown_versioning: *ghcup-32
   HLS:
-    0.7.1:
+    0.8.0:
       viTags:
         - Recommended
         - Latest
-      viChangeLog: https://github.com/haskell/haskell-language-server/blob/master/ChangeLog.md#071
+      viChangeLog: https://github.com/haskell/haskell-language-server/blob/master/ChangeLog.md#080
       viArch:
         A_64:
           Linux_UnknownLinux:
             unknown_versioning: &hls-64
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-              dlHash: e74f3bd1f91613a1859a411f369dc34afce9e3e9b7c99ea4f251d81111627f62
+              dlUri: https://github.com/haskell/haskell-language-server/releases/download/0.8.0/haskell-language-server-Linux-0.8.0.tar.gz
+              dlHash: ba1306ab1af7a5fa1174b19bc3aa8904f5b238d9d6eac04d07fd692db9af4534
           Darwin:
             unknown_versioning:
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-              dlHash: 87ac37cfc74abb4f348a799ee6e76266fe1972dead72b7b11ee1411cc83924ed
+              dlUri: https://github.com/haskell/haskell-language-server/releases/download/0.8.0/haskell-language-server-macOS-0.8.0.tar.gz
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ghcup-0.0.4.yaml

@@ -28,7 +28,7 @@ toolRequirements:
           - libncurses5
           - libtinfo5
           notes: ''
-        ">= 20.04":
+        "( >= 20.04 && < 20.10 )":
           distroPKGs:
           - build-essential
           - curl
@@ -40,6 +40,18 @@ toolRequirements:
           - libncurses5
           - libtinfo5
           notes: ''
+        "( >= 20.10 )":
+          distroPKGs:
+          - build-essential
+          - curl
+          - libffi-dev
+          - libffi8ubuntu1
+          - libgmp-dev
+          - libgmp10
+          - libncurses-dev
+          - libncurses5
+          - libtinfo5
+          notes: ''
       Linux_CentOS:
         '( >= 7 && < 8 )':
           distroPKGs:
@@ -193,7 +205,7 @@ ghcupDownloads:
             unknown_versioning: *ghc-802-64-deb8
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.0.2-x86_64-alpine-linux.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.0.2/ghc-8.0.2-x86_64-alpine-linux.tar.xz
               dlSubdir: ghc-8.0.2
               dlHash: 517783b660a27ebf95b2568d47292fd633d5f9a4de4c80ad1ccf05e1b9d7313f
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           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.0.2-i386-alpine-linux.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.0.2/ghc-8.0.2-i386-alpine-linux.tar.xz
               dlSubdir: ghc-8.0.2
               dlHash: b4cd12a1048b2fff2f23c9eec0dd3a1174d54d017f8d79ec79af4534118e6881
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@@ -251,7 +263,7 @@ ghcupDownloads:
             unknown_versioning: *ghc-822-64-deb8
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.2.2-x86_64-alpine-linux.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.2.2/ghc-8.2.2-x86_64-alpine-linux.tar.xz
               dlSubdir: ghc-8.2.2
               dlHash: adcf3a320a3c402aba07ae9586990dc3c0b550e96aeffb1b9e194313d3ba716d
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@@ -287,7 +299,7 @@ ghcupDownloads:
             unknown_versioning: *ghc-822-32-deb8
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.2.2-i386-alpine-linux.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.2.2/ghc-8.2.2-i386-alpine-linux.tar.xz
               dlSubdir: ghc-8.2.2
               dlHash: 467534c32552cfd318753112dbc70af003693aad4b0081f2a07e61f5b5ea2c22
           Linux_UnknownLinux:
@@ -482,7 +494,7 @@ ghcupDownloads:
             unknown_versioning: *ghc-844-64-centos
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.4.4-x86_64-alpine-linux.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.4.4/ghc-8.4.4-x86_64-alpine-linux.tar.xz
               dlSubdir: ghc-8.4.4
               dlHash: 336affff8314d3dc5e85d9c09015ae2ba8a7658b459c8c8ae77ecaa551a56ae7
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@@ -511,7 +523,7 @@ ghcupDownloads:
             unknown_versioning: *ghc-844-32-deb8
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.4.4-i386-alpine-linux.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.4.4/ghc-8.4.4-i386-alpine-linux.tar.xz
               dlSubdir: ghc-8.4.4
               dlHash: 892888d388ef5c9cadf5cfba1146d62237c25b9b066fb62fee940b2b285fd308
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@@ -765,7 +777,7 @@ ghcupDownloads:
             unknown_versioning: *ghc-865-64-centos
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.6.5-x86_64-alpine-linux.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.6.5/ghc-8.6.5-x86_64-alpine-linux.tar.xz
               dlSubdir: ghc-8.6.5
               dlHash: b9d3ed7f7aa24ef2d58bb579252289caa0b8877adee3685e3af2fb73d440afdc
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           FreeBSD:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.6.5-x86_64-portbld-freebsd.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.6.5/ghc-8.6.5-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.6.5
               dlHash: 83a3059a630d40a98e26cb5b520354e12094a96e36ba2f5ab002dad94cf2fb37
         A_32:
@@ -794,7 +806,7 @@ ghcupDownloads:
             unknown_versioning: *ghc-865-32-deb9
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.6.5-i386-alpine-linux.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.6.5/ghc-8.6.5-i386-alpine-linux.tar.xz
               dlSubdir: ghc-8.6.5
               dlHash: 3737837550d9b177acfe150e3a3cd4545427ded020487c2ed5194d7b8f116349
           Linux_UnknownLinux:
@@ -963,7 +975,7 @@ ghcupDownloads:
               dlHash: 7016de90dd226b06fc79d0759c5d4c83c2ab01d8c678905442c28bd948dbb782
           FreeBSD:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.8.3-x86_64-portbld-freebsd.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.8.3/ghc-8.8.3-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.8.3
               dlHash: 569719075b4d14b3875a899df522090ae31e6fe085e6dffe518e875b09a2f0be
         A_32:
@@ -980,7 +992,6 @@ ghcupDownloads:
             unknown_versioning: *ghc-883-32-deb9
     8.8.4:
       viTags:
-      - Recommended
       - base-4.13.0.0
       viChangeLog: https://downloads.haskell.org/~ghc/8.8.4/docs/html/users_guide/8.8.4-notes.html
       viSourceDL:
@@ -1017,7 +1028,7 @@ ghcupDownloads:
             unknown_versioning: *ghc-884-64-centos
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.8.4-x86_64-alpine-linux.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.8.4/ghc-8.8.4-x86_64-alpine-linux.tar.xz
               dlSubdir: ghc-8.8.4
               dlHash: 90c6a1661de7f20c7d169cd6270125035b3332063e45103ce028df0beecf434e
           Linux_AmazonLinux:
@@ -1031,7 +1042,7 @@ ghcupDownloads:
               dlHash: e80a789e9d8cfb41dd87f3284b75432427c4461c1731d220d04ead8733ccdb5e
           FreeBSD:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.8.4-x86_64-portbld-freebsd.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.8.4/ghc-8.8.4-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.8.4
               dlHash: 8cebe5ccf454e82acd1ff52ca57590d1ab0f3f44a981b46257ec12158c8c447e
         A_32:
@@ -1046,7 +1057,7 @@ ghcupDownloads:
             unknown_versioning: *ghc-884-32-deb9
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.8.4-i386-alpine-linux.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.8.4/ghc-8.8.4-i386-alpine-linux.tar.xz
               dlSubdir: ghc-8.8.4
               dlHash: 1d18e89ee031197e55c48683e78a7ffc67601ac5fd9f73aac555eb064b3859a2
           Linux_UnknownLinux:
@@ -1107,7 +1118,7 @@ ghcupDownloads:
               dlHash: 65b1ca361093de4804a7e40b3e68178e1ef720f84f743641ec8d95e56a45b3a8
           FreeBSD:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.10.1-x86_64-portbld-freebsd.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.10.1/ghc-8.10.1-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.10.1
               dlHash: e8646ec9b60fd40aa9505ee055f22f04601290ab7a1342c2cf37c34de9d3f142
         A_32:
@@ -1123,14 +1134,14 @@ ghcupDownloads:
             unknown_versioning: *ghc-8101-32-deb9
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.10.1-i386-alpine-linux.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.10.1/ghc-8.10.1-i386-alpine-linux.tar.xz
               dlSubdir: ghc-8.10.1
               dlHash: 7360cc6b29e9b4ab08f6ea5bc3bcca6f5c216933e81ef1620dcdd700f1fdb289
           Linux_UnknownLinux:
             unknown_versioning: *ghc-8101-32-deb9
     8.10.2:
       viTags:
-      - Latest
+      - old
       - base-4.14.1.0
       viChangeLog: https://downloads.haskell.org/~ghc/8.10.2/docs/html/users_guide/8.10.2-notes.html
       viSourceDL:
@@ -1202,80 +1213,239 @@ ghcupDownloads:
             unknown_versioning: *ghc-8102-32-deb9
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://files.hasufell.de/ghc/ghc-8.10.2-i386-alpine-linux.tar.xz
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.10.2/ghc-8.10.2-i386-alpine-linux.tar.xz
               dlSubdir: ghc-8.10.2
               dlHash: 9ee1cf1e85e9536088b3c9e80e975074e525ea378cd4eb156071bbc4b7b38327
-    9.0.0.20200925:
+    8.10.3:
       viTags:
-      - Prerelease
-      - base-4.15.0.0
+      - base-4.14.1.0
+      viChangeLog: https://downloads.haskell.org/~ghc/8.10.3/docs/html/users_guide/8.10.3-notes.html
       viSourceDL:
-        dlUri: https://downloads.haskell.org/~ghc/9.0.1-alpha1/ghc-9.0.0.20200925-src.tar.xz
-        dlSubdir: ghc-9.0.0.20200925
-        dlHash: 142189a3a741af1deb40020c031f05aebfc2b6fd077ffd0c230cf405587cdbb0
+        dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-src.tar.xz
+        dlSubdir: ghc-8.10.3
+        dlHash: ccdc8319549028a708d7163e2967382677b1a5a379ff94d948195b5cf46eb931
       viArch:
         A_64:
           Linux_Debian:
-            '( >= 9 && < 10 )': &ghc-901a1-64-deb9
-              dlUri: https://downloads.haskell.org/~ghc/9.0.1-alpha1/ghc-9.0.0.20200925-x86_64-deb9-linux.tar.xz
-              dlSubdir: ghc-9.0.0.20200925
-              dlHash: d44ab6f933292066d3f4bafc7e1a4209f8044069f9360bd60a97d2de05a73db2
-            '( >= 10 && < 11 )': &ghc-901a1-64-deb10
-              dlUri: https://downloads.haskell.org/~ghc/9.0.1-alpha1/ghc-9.0.0.20200925-x86_64-deb10-linux-dwarf.tar.xz
-              dlSubdir: ghc-9.0.0.20200925
-              dlHash: 958f98a97d244899d986168c89e4babe2b85ceaa4b0cf1c4631ea1dfa82ad75e
-            unknown_versioning: *ghc-901a1-64-deb9
+            '( >= 9 && < 10 )': &ghc-8103-64-deb9
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-deb9-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: 95e4aadea30701fe5ab84d15f757926d843ded7115e11c4cd827809ca830718d
+            '( >= 10 && < 11 )': &ghc-8103-64-deb10
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-deb10-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: c8f3d9f0e61a89eaba1d3ad8fb2eced1af0e81576811261b887993bee12538ac
+            unknown_versioning: *ghc-8103-64-deb9
           Linux_Ubuntu:
-            unknown_versioning: &ghc-901a1-64-fedora
-              dlUri: https://downloads.haskell.org/~ghc/9.0.1-alpha1/ghc-9.0.0.20200925-x86_64-fedora27-linux.tar.xz
-              dlSubdir: ghc-9.0.0.20200925
-              dlHash: 2711afabbaab7abd1b8fdf846802ce6ca8e531641d64bbf75780d4de64180dca
-            '( >= 16 && < 19 )': *ghc-901a1-64-deb9
+            unknown_versioning: &ghc-8103-64-fedora
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-fedora27-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: f8739b12008712d6b6a9ffc6c39f9d05af77ef3bcb932c9aff20fa0893c8c159
+            '( >= 16 && < 19 )': *ghc-8103-64-deb9
           Linux_Mint:
-            unknown_versioning: *ghc-901a1-64-deb10
+            unknown_versioning: *ghc-8103-64-deb10
           Linux_Fedora:
-            '( >= 27 && < 28 )': *ghc-901a1-64-fedora
-            unknown_versioning: *ghc-901a1-64-fedora
+            '( >= 27 && < 28 )': *ghc-8103-64-fedora
+            unknown_versioning: *ghc-8103-64-fedora
           Linux_CentOS:
-            '( >= 7 && < 8 )': &ghc-901a1-64-centos
-              dlUri: https://downloads.haskell.org/~ghc/9.0.1-alpha1/ghc-9.0.0.20200925-x86_64-centos7-linux.tar.xz
-              dlSubdir: ghc-9.0.0.20200925
-              dlHash: 5f6cd94e0d3917fa5c87031706e665f5d9b997f5c991c9c4c4e2900c39dc98ac
-            unknown_versioning: *ghc-901a1-64-centos
+            '( >= 7 && < 8 )': &ghc-8103-64-centos
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-centos7-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: f562ca61979ff1d21e34e69e59028cb742a8eff8d84e46bbd3a750f2ac7d8ed1
+            unknown_versioning: *ghc-8103-64-centos
           Linux_RedHat:
-            unknown_versioning: *ghc-901a1-64-centos
+            unknown_versioning: *ghc-8103-64-centos
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghc/9.0.1-alpha1/ghc-9.0.0.20200925-x86_64-alpine3.10-linux-integer-simple.tar.xz
-              dlSubdir: ghc-9.0.0.20200925-x86_64-unknown-linux
-              dlHash: 05c0176e39cc89a95047060a589df0686ea1eb99b3de7f2cfadbe5e68bf93f68
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-alpine3.10-linux-integer-simple.tar.xz
+              dlSubdir: ghc-8.10.3-x86_64-unknown-linux
+              dlHash: 8506c478ebbfb5441c3c36c07c36fc8532cacb2b3e13c6733bd44cb17b3ce96c
           Linux_AmazonLinux:
-            unknown_versioning: *ghc-901a1-64-centos
+            unknown_versioning: *ghc-8103-64-centos
           Linux_UnknownLinux:
-            unknown_versioning: *ghc-901a1-64-fedora
+            unknown_versioning: *ghc-8103-64-fedora
           Darwin:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghc/9.0.1-alpha1/ghc-9.0.0.20200925-x86_64-apple-darwin.tar.xz
-              dlSubdir: ghc-9.0.0.20200925
-              dlHash: fb85a78f2bdad53c591261e21c80f3f50fa2b68bbb22632d9be6960af7b27813
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-apple-darwin.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: 2635f35d76e44e69afdfd37cae89d211975cc20f71f784363b72003e59f22015
           FreeBSD:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghc/9.0.1-alpha1/ghc-9.0.0.20200925-x86_64-unknown-freebsd.tar.xz
-              dlSubdir: ghc-9.0.0.20200925
-              dlHash: 1e094cbbf9636b1f231bc99e44197fe7a05f570cf46f079bba1a0ca796c3c30c
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-portbld-freebsd.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: 749007e995104db05cf6e3ad5bc36238cab8afac8055145661e5730e8f8af040
         A_32:
           Linux_Debian:
-            '( >= 9 && < 10 )': &ghc-901a1-32-deb9
-              dlUri: https://downloads.haskell.org/~ghc/9.0.1-alpha1/ghc-9.0.0.20200925-i386-deb9-linux.tar.xz
-              dlSubdir: ghc-9.0.0.20200925
-              dlHash: a533641720c33f953ca5d100bc7da219d4cf52eae081c94c97b9ac4cbd9c1d06
-            unknown_versioning: *ghc-901a1-32-deb9
+            '( >= 9 && < 10 )': &ghc-8103-32-deb9
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-i386-deb9-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: f0addd2a16b705f58ff9e8702c3ddf3e2d6bd0d3555707b5b5095e51bafee7b1
+            unknown_versioning: *ghc-8103-32-deb9
           Linux_Ubuntu:
-            unknown_versioning: *ghc-901a1-32-deb9
+            unknown_versioning: *ghc-8103-32-deb9
           Linux_Mint:
-            unknown_versioning: *ghc-901a1-32-deb9
+            unknown_versioning: *ghc-8103-32-deb9
           Linux_UnknownLinux:
-            unknown_versioning: *ghc-901a1-32-deb9
+            unknown_versioning: *ghc-8103-32-deb9
+          Linux_Alpine:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.10.3/ghc-8.10.3-i386-alpine-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: 309201cdefd2d13b8b3fd09c26c6137048c490d219a0a9c7407c3ce1d011f60c
+    8.10.4:
+      viTags:
+      - Recommended
+      - base-4.14.1.0
+      viChangeLog: https://downloads.haskell.org/~ghc/8.10.4/docs/html/users_guide/8.10.4-notes.html
+      viSourceDL:
+        dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-src.tar.xz
+        dlSubdir: ghc-8.10.4
+        dlHash: 52af871b4e08550257d720c2944ac85727d0b948407cef1bebfe7508c224910e
+      viArch:
+        A_64:
+          Linux_Debian:
+            '( >= 9 && < 10 )': &ghc-8104-64-deb9
+              dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-x86_64-deb9-linux.tar.xz
+              dlSubdir: ghc-8.10.4
+              dlHash: 5694200a5c38f22c142baf850b1d2f3784211d2ec9302e11693259a1ae8e38b7
+            '( >= 10 && < 11 )': &ghc-8104-64-deb10
+              dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-x86_64-deb10-linux.tar.xz
+              dlSubdir: ghc-8.10.4
+              dlHash: 816365565e9927459b035515a7db6a0db62f9796f327389b6f8a0035d12fbda0
+            unknown_versioning: *ghc-8104-64-deb9
+          Linux_Ubuntu:
+            unknown_versioning: &ghc-8104-64-fedora
+              dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-x86_64-fedora27-linux.tar.xz
+              dlSubdir: ghc-8.10.4
+              dlHash: a189eed900a8717d6d7906bafd10b9a9a9688ad942d1c75e19df480376dff9ea
+            '( >= 16 && < 19 )': *ghc-8104-64-deb9
+          Linux_Mint:
+            unknown_versioning: *ghc-8104-64-deb10
+          Linux_Fedora:
+            '( >= 27 && < 28 )': *ghc-8104-64-fedora
+            unknown_versioning: *ghc-8104-64-fedora
+          Linux_CentOS:
+            '( >= 7 && < 8 )': &ghc-8104-64-centos
+              dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-x86_64-centos7-linux.tar.xz
+              dlSubdir: ghc-8.10.4
+              dlHash: fb8a91f0cf06594172aff46c2f6f7486179e1c3760855c79fbdd3012598cc2cd
+            unknown_versioning: *ghc-8104-64-centos
+          Linux_RedHat:
+            unknown_versioning: *ghc-8104-64-centos
+          Linux_Alpine:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-x86_64-alpine3.10-linux-integer-simple.tar.xz
+              dlSubdir: ghc-8.10.4-x86_64-unknown-linux
+              dlHash: 74c2c07537832708502716ef4ec40019f8e552ddda13c8eadf8f7c4b03a79359
+          Linux_AmazonLinux:
+            unknown_versioning: *ghc-8104-64-centos
+          Linux_UnknownLinux:
+            unknown_versioning: *ghc-8104-64-fedora
+          Darwin:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-x86_64-apple-darwin.tar.xz
+              dlSubdir: ghc-8.10.4
+              dlHash: 725ecf6543e63b81a3581fb8c97afd21a08ae11bc0fa4f8ee25d45f0362ef6d5
+          FreeBSD:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-x86_64-portbld-freebsd.tar.xz
+              dlSubdir: ghc-8.10.4
+              dlHash: c9776a2ccf9629b03e967206a507fcdcb6c5189800a626e9461ababf6733c357
+        A_32:
+          Linux_Debian:
+            '( >= 9 && < 10 )': &ghc-8104-32-deb9
+              dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-i386-deb9-linux.tar.xz
+              dlSubdir: ghc-8.10.4
+              dlHash: 0022c5b9ac22825bb7b4745af3d92cef0ba1ecd01fab3ef387ddbd47146569ad
+            unknown_versioning: *ghc-8104-32-deb9
+          Linux_Ubuntu:
+            unknown_versioning: *ghc-8104-32-deb9
+          Linux_Mint:
+            unknown_versioning: *ghc-8104-32-deb9
+          Linux_UnknownLinux:
+            unknown_versioning: *ghc-8104-32-deb9
+          Linux_Alpine:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.10.4/ghc-8.10.4-i386-alpine-linux.tar.xz
+              dlSubdir: ghc-8.10.4
+              dlHash: 9161a98bed763692101854d83af69c1316030cfe5ee6f6acde283d04ef139735
+    9.0.1:
+      viTags:
+      - Latest
+      - base-4.15.0.0
+      viChangeLog: https://downloads.haskell.org/~ghc/9.0.1/docs/html/users_guide/9.0.1-notes.html
+      viSourceDL:
+        dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-src.tar.xz
+        dlSubdir: ghc-9.0.1
+        dlHash: a5230314e4065f9fcc371dfe519748fd85c825b279abf72a24e09b83578a35f9
+      viArch:
+        A_64:
+          Linux_Debian:
+            '( >= 9 && < 10 )': &ghc-901-64-deb9
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-x86_64-deb9-linux.tar.xz
+              dlSubdir: ghc-9.0.1
+              dlHash: 4ca6252492f59fe589029fadca4b6f922d6a9f0ff39d19a2bd9886fde4e183d5
+            '( >= 10 && < 11 )': &ghc-901-64-deb10
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-x86_64-deb10-linux.tar.xz
+              dlSubdir: ghc-9.0.1
+              dlHash: c253e7eb62cc9da6524c491c85ec8d3727c2ca6035a8653388e636aaa30a2a0f
+            unknown_versioning: *ghc-901-64-deb9
+          Linux_Ubuntu:
+            unknown_versioning: &ghc-901-64-fedora
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-x86_64-fedora27-linux.tar.xz
+              dlSubdir: ghc-9.0.1
+              dlHash: 1fb8e27eeec51b4cdbfd1b3c16727adc5f77388d3e925e63799d8232647f316d
+            '( >= 16 && < 19 )': *ghc-901-64-deb9
+          Linux_Mint:
+            unknown_versioning: *ghc-901-64-deb10
+          Linux_Fedora:
+            '( >= 27 && < 28 )': *ghc-901-64-fedora
+            unknown_versioning: *ghc-901-64-fedora
+          Linux_CentOS:
+            '( >= 7 && < 8 )': &ghc-901-64-centos
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-x86_64-centos7-linux.tar.xz
+              dlSubdir: ghc-9.0.1
+              dlHash: a23750950b6995a66ba59afe82bbc505bd3479d6ab59cf66f45bc6c056e4d87b
+            unknown_versioning: *ghc-901-64-centos
+          Linux_RedHat:
+            unknown_versioning: *ghc-901-64-centos
+          Linux_Alpine:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-x86_64-alpine3.10-linux-integer-simple.tar.xz
+              dlSubdir: ghc-9.0.1-x86_64-unknown-linux
+              dlHash: 7c1a0154c9e361b75be6cb0305533bb8a3b963c54e8092ffd1759e5710805a5c
+          Linux_AmazonLinux:
+            unknown_versioning: *ghc-901-64-centos
+          Linux_UnknownLinux:
+            unknown_versioning: *ghc-901-64-fedora
+          Darwin:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-x86_64-apple-darwin.tar.xz
+              dlSubdir: ghc-9.0.1
+              dlHash: 122d60509147d0117779d275f0215bde2ff63a64cda9d88f149432d0cae71b22
+          FreeBSD:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-x86_64-portbld-freebsd.tar.xz
+              dlSubdir: ghc-9.0.1
+              dlHash: 9dbc06d8832cae5c9f86dd7b2db729b3748a47beb4fd4b1e62bb66119817c3c1
+        A_32:
+          Linux_Debian:
+            '( >= 9 && < 10 )': &ghc-901-32-deb9
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-i386-deb9-linux.tar.xz
+              dlSubdir: ghc-9.0.1
+              dlHash: 880e37cea8328401bcfecfe4bb56eb85195f30135b140140b3f24094264f8ba5
+            unknown_versioning: *ghc-901-32-deb9
+          Linux_Ubuntu:
+            unknown_versioning: *ghc-901-32-deb9
+          Linux_Mint:
+            unknown_versioning: *ghc-901-32-deb9
+          Linux_UnknownLinux:
+            unknown_versioning: *ghc-901-32-deb9
+          Linux_Alpine:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/9.0.1/ghc-9.0.1-i386-alpine-linux.tar.xz
+              dlSubdir: ghc-9.0.1
+              dlHash: ebfeb3b91e6f2bb5a49fd3376746f7fd1b89e62e9838bf5b1530a8756ff1e6aa
   Cabal:
     2.4.1.0:
       viTags:
@@ -1342,8 +1512,7 @@ ghcupDownloads:
               dlHash: 6898ccd6e6dc0872999c06daaf61d546164e12f60a1880d09852c9f0c59c5cf6
     3.2.0.0:
       viTags:
-      - Recommended
-      - Latest
+      - old
       viChangeLog: https://downloads.haskell.org/~cabal/cabal-install-3.2.0.0/changelog
       viArch:
         A_64:
@@ -1372,30 +1541,40 @@ ghcupDownloads:
             unknown_versioning:
               dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.2.0.0/cabal-install-3.2.0.0-i386-unknown-linux.tar.xz
               dlHash: 2b3ac28549916de5f3379241797eaf60e84b6c001f2abbe73d9fadbbaf768e93
-    3.4.0.0-rc4:
+    3.4.0.0:
       viTags:
-      - Prerelease
+      - Recommended
+      - Latest
       viChangeLog: https://github.com/haskell/cabal/blob/master/release-notes/cabal-install-3.4.0.0.md
       viArch:
         A_64:
           Linux_Ubuntu:
-            unknown_versioning: &cabal-3400rc4-ubuntu
-              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc4/cabal-install-3.4.0.0-x86_64-ubuntu-16.04.tar.xz
-              dlHash: a1be168876816a624b206c55596d9bb5f442541c889ee2438d664698122b9ffe
+            unknown_versioning: &cabal-3400-ubuntu
+              dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.4.0.0/cabal-install-3.4.0.0-x86_64-ubuntu-16.04.tar.xz
+              dlHash: cf28f9ffd763476aa2b1730d85cbf155d366fac541f78ee3951e8cb2d6de63e6
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc4/cabal-install-3.4.0.0-x86_64-alpine-3.11.6-static-noofd.tar.xz
-              dlHash: 49dab6684483594e4c7c3e561ec477268002605253ad34701b471277efbe91bc
+              dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.4.0.0/cabal-install-3.4.0.0-x86_64-alpine-3.11.6-static-noofd.tar.xz
+              dlHash: c74073fe79110946182e522fcadc8dcabf07c87583e8cf7801ed4e0c327241f6
           Linux_UnknownLinux:
-            unknown_versioning: *cabal-3400rc4-ubuntu
+            unknown_versioning: *cabal-3400-ubuntu
           Darwin:
             unknown_versioning:
-              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc4/cabal-install-3.4.0.0-x86_64-darwin-sierra.tar.xz
-              dlHash: a3f809a3388e90b9fdf52444e30ea9aad3894e2cbe53c37fc3311ceb106eda9e
+              dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.4.0.0/cabal-install-3.4.0.0-x86_64-darwin-sierra.tar.xz
+              dlHash: cb10be9a53e856aa2d852fd88fb6944f138783ffe0ea84d93c9a69244e34ea91
           FreeBSD:
             unknown_versioning:
-              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc4/cabal-install-3.4.0.0-x86_64-freebsd-12.1-release.tar.xz
-              dlHash: 9705e16d03497b46be4ad477e6c64d10890af853eafa8a9adf6dba89aa9e05f7
+              dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.4.0.0/cabal-install-3.4.0.0-x86_64-freebsd-12.1-release.tar.xz
+              dlHash: a1e2db664ec00e42a1e071a4181f6476f6e0bad321f1ddc0cf27831119f4c6d4
+        A_32:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.4.0.0/cabal-install-3.4.0.0-i386-debian-9.tar.xz
+              dlHash: ef3750644a53f7b1fad141b2ad02d4c7a3b239ec0cbfa7f0528fb02c1dfcebce
+          Linux_Alpine:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/cabal/3.4.0.0/cabal-install-3.4.0.0-i386-alpine-linux-musl.tar.gz
+              dlHash: 95adb65f3a72aa8d9ce83685bc06e1eee5b801f56e204e27e957e8a35abd9cf8
   GHCup:
     0.1.12:
       viTags:
@@ -1427,20 +1606,20 @@ ghcupDownloads:
           Linux_Alpine:
             unknown_versioning: *ghcup-32
   HLS:
-    0.7.1:
+    0.9.0:
       viTags:
         - Recommended
         - Latest
-      viChangeLog: https://github.com/haskell/haskell-language-server/blob/master/ChangeLog.md#071
+      viChangeLog: https://github.com/haskell/haskell-language-server/blob/master/ChangeLog.md#090
       viArch:
         A_64:
           Linux_UnknownLinux:
             unknown_versioning: &hls-64
-              dlUri: https://github.com/haskell/haskell-language-server/releases/download/0.7.1/haskell-language-server-Linux-0.7.1.tar.gz
-              dlHash: e74f3bd1f91613a1859a411f369dc34afce9e3e9b7c99ea4f251d81111627f62
+              dlUri: https://github.com/haskell/haskell-language-server/releases/download/0.9.0/haskell-language-server-Linux-0.9.0.tar.gz
+              dlHash: 6933216e2fcdc51a32a828f7880403d83433b6585ff393da196f6db1d4e1e53f
           Darwin:
             unknown_versioning:
-              dlUri: https://github.com/haskell/haskell-language-server/releases/download/0.7.1/haskell-language-server-macOS-0.7.1.tar.gz
-              dlHash: 87ac37cfc74abb4f348a799ee6e76266fe1972dead72b7b11ee1411cc83924ed
+              dlUri: https://github.com/haskell/haskell-language-server/releases/download/0.9.0/haskell-language-server-macOS-0.9.0.tar.gz
+              dlHash: f6197977941e803e128889f1170bebca97a80c1b62234bf5c7b1032ab3df68f4
           Linux_Alpine:
             unknown_versioning: *hls-64

ghcup.cabal

@@ -431,6 +431,7 @@ executable ghcup-gen
     , optics
     , optparse-applicative
     , pretty-terminal
+    , regex-posix
     , resourcet
     , safe-exceptions
     , string-interpolate

lib/GHCup.hs

@@ -1314,12 +1314,24 @@ upgradeGHCup dls mtarget force pfreq = do
   tmp   <- lift withGHCupTmpDir
   let fn = [rel|ghcup|]
   p <- liftE $ download dli tmp (Just fn)
-  let fullDest = fromMaybe (binDir </> fn) mtarget
-  liftIO $ hideError NoSuchThing $ deleteFile fullDest
+  let destDir = dirname destFile
+      destFile = fromMaybe (binDir </> fn) mtarget
+  lift $ $(logDebug) [i|mkdir -p #{toFilePath destDir}|]
+  liftIO $ createDirRecursive' destDir
+  lift $ $(logDebug) [i|rm -f #{toFilePath destFile}|]
+  liftIO $ hideError NoSuchThing $ deleteFile destFile
+  lift $ $(logDebug) [i|cp #{toFilePath p} #{toFilePath destFile}|]
   handleIO (throwE . CopyError . show) $ liftIO $ copyFile p
-                                                           fullDest
+                                                           destFile
                                                            Overwrite
-  lift $ chmod_755 fullDest
+  lift $ chmod_755 destFile
+
+  liftIO (isInPath destFile) >>= \b -> when (not b) $
+    lift $ $(logWarn) [i|"#{toFilePath (dirname destFile)}" is not in PATH! You have to add it in order to use ghcup.|]
+  liftIO (isShadowed destFile) >>= \case
+    Nothing -> pure ()
+    Just pa -> lift $ $(logWarn) [i|ghcup is shadowed by "#{toFilePath pa}". The upgrade will not be in effect, unless you remove "#{toFilePath pa}" or make sure "#{toFilePath destDir}" comes before "#{toFilePath (dirname pa)}" in PATH.|]
+
   pure latestVer
 
 

lib/GHCup/Types.hs

@@ -79,7 +79,7 @@ data Tool = GHC
           | Cabal
           | GHCup
           | HLS
-  deriving (Eq, GHC.Generic, Ord, Show)
+  deriving (Eq, GHC.Generic, Ord, Show, Enum, Bounded)
 
 
 -- | All necessary information of a tool version, including
@@ -172,7 +172,7 @@ data DownloadInfo = DownloadInfo
   , _dlSubdir :: Maybe TarDir
   , _dlHash   :: Text
   }
-  deriving (Eq, GHC.Generic, Show)
+  deriving (Eq, Ord, GHC.Generic, Show)
 
 
 
@@ -185,7 +185,7 @@ data DownloadInfo = DownloadInfo
 -- | How to descend into a tar archive.
 data TarDir = RealDir (Path Rel)
             | RegexDir String     -- ^ will be compiled to regex, the first match will "win"
-            deriving (Eq, GHC.Generic, Show)
+            deriving (Eq, Ord, GHC.Generic, Show)
 
 
 -- | Where to fetch GHCupDownloads from.

lib/GHCup/Utils/File.hs

@@ -407,6 +407,32 @@ searchPath paths needle = go paths
       else pure False
 
 
+-- | Check wether a binary is shadowed by another one that comes before
+-- it in PATH. Returns the path to said binary, if any.
+isShadowed :: Path Abs -> IO (Maybe (Path Abs))
+isShadowed p = do
+  let dir = dirname p
+  fn <- basename p
+  spaths <- catMaybes . fmap parseAbs <$> (liftIO getSearchPath)
+  if dir `elem` spaths
+  then do
+    let shadowPaths = takeWhile (/= dir) spaths
+    searchPath shadowPaths fn
+  else pure Nothing
+
+
+-- | Check whether the binary is in PATH. This returns only `True`
+-- if the directory containing the binary is part of PATH.
+isInPath :: Path Abs -> IO Bool
+isInPath p = do
+  let dir = dirname p
+  fn <- basename p
+  spaths <- catMaybes . fmap parseAbs <$> (liftIO getSearchPath)
+  if dir `elem` spaths
+  then isJust <$> searchPath [dir] fn
+  else pure False
+
+
 findFiles :: Path Abs -> Regex -> IO [Path Rel]
 findFiles path regex = do
   dirStream <- openDirStream (toFilePath path)