Fix optparse tests on windows

.editorconfig

@@ -0,0 +1,11 @@
+root = true
+
+[*]
+end_of_line = LF
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.hs]
+indent_style = space
+indent_size = 2
+max_line_length = 80

.github/scripts/build.sh

@@ -27,9 +27,11 @@ build_with_cache --project-file=cabal.project.release -w "${GHC}" --enable-tests
 mkdir -p out
 binary=$(cabal --project-file=cabal.project.release list-bin ghcup)
 binary_test=$(cabal --project-file=cabal.project.release list-bin ghcup-test)
+binary_opttest=$(cabal --project-file=cabal.project.release list-bin ghcup-optparse-test)
 ver=$("${binary}" --numeric-version)
 strip_binary "${binary}"
 cp "${binary}" "out/${ARTIFACT}-${ver}${ext}"
 cp "${binary_test}" "out/test-${ARTIFACT}-${ver}${ext}"
+cp "${binary_opttest}" "out/test-optparse-${ARTIFACT}-${ver}${ext}"
 cp ./dist-newstyle/cache/plan.json "out/${ARTIFACT}.plan.json"
 

.github/scripts/test.sh

@@ -18,8 +18,10 @@ mkdir -p "${GHCUP_BIN}"
 
 cp "out/${ARTIFACT}"-* "$GHCUP_BIN/ghcup${ext}"
 cp "out/test-${ARTIFACT}"-* "ghcup-test${ext}"
+cp "out/test-optparse-${ARTIFACT}"-* "ghcup-test-optparse${ext}"
 chmod +x "$GHCUP_BIN/ghcup${ext}"
 chmod +x "ghcup-test${ext}"
+chmod +x "ghcup-test-optparse${ext}"
 
 "$GHCUP_BIN/ghcup${ext}" --version
 eghcup --version
@@ -29,7 +31,8 @@ sha_sum "$(raw_eghcup --offline whereis ghcup)"
 ### Haskell test suite
 
 ./ghcup-test${ext}
-rm ghcup-test${ext}
+./ghcup-test-optparse${ext}
+rm ghcup-test${ext} ghcup-test-optparse${ext}
 
 ### manual cli based testing
 

app/ghcup/GHCup/OptParse/ChangeLog.hs

@@ -49,7 +49,7 @@ data ChangeLogOptions = ChangeLogOptions
   { clOpen    :: Bool
   , clTool    :: Maybe Tool
   , clToolVer :: Maybe ToolVersion
-  }
+  } deriving (Eq, Show)
 
 
 
@@ -75,7 +75,7 @@ changelogP =
                 e       -> Left e
               )
             )
-            (short 't' <> long "tool" <> metavar "<ghc|cabal|hls|ghcup>" <> help
+            (short 't' <> long "tool" <> metavar "<ghc|cabal|hls|ghcup|stack>" <> help
               "Open changelog for given tool (default: ghc)"
               <> completer toolCompleter
             )

app/ghcup/GHCup/OptParse/Common.hs

@@ -83,6 +83,7 @@ data SetToolVersion = SetGHCVersion GHCTargetVersion
                     | SetToolDay Day
                     | SetRecommended
                     | SetNext
+                    deriving (Eq, Show)
 
 prettyToolVer :: ToolVersion -> String
 prettyToolVer (GHCVersion v')  = T.unpack $ tVerToText v'

app/ghcup/GHCup/OptParse/Compile.hs

@@ -57,6 +57,7 @@ import Text.Read (readEither)
 
 data CompileCommand = CompileGHC GHCCompileOptions
                     | CompileHLS HLSCompileOptions
+                    deriving (Eq, Show)
 
 
 
@@ -78,7 +79,7 @@ data GHCCompileOptions = GHCCompileOptions
   , buildFlavour :: Maybe String
   , buildSystem  :: Maybe BuildSystem
   , isolateDir   :: Maybe FilePath
-  }
+  } deriving (Eq, Show)
 
 
 data HLSCompileOptions = HLSCompileOptions
@@ -93,7 +94,7 @@ data HLSCompileOptions = HLSCompileOptions
   , patches      :: Maybe (Either FilePath [URI])
   , targetGHCs   :: [ToolVersion]
   , cabalArgs    :: [Text]
-  }
+  } deriving (Eq, Show)
 
 
 
@@ -283,7 +284,7 @@ ghcCompileOpts =
             (  short 'i'
             <> long "isolate"
             <> metavar "DIR"
-            <> help "install in an isolated directory instead of the default one, no symlinks to this installation will be made"
+            <> help "install in an isolated absolute directory instead of the default one, no symlinks to this installation will be made"
             <> completer (bashCompleter "directory")
             )
            )
@@ -366,7 +367,7 @@ hlsCompileOpts =
             (  short 'i'
             <> long "isolate"
             <> metavar "DIR"
-            <> help "install in an isolated directory instead of the default one, no symlinks to this installation will be made"
+            <> help "install in an isolated absolute directory instead of the default one, no symlinks to this installation will be made"
             <> completer (bashCompleter "directory")
             )
            )

app/ghcup/GHCup/OptParse/Config.hs

@@ -52,6 +52,7 @@ data ConfigCommand
   | SetConfig String (Maybe String)
   | InitConfig
   | AddReleaseChannel Bool URI
+  deriving (Eq, Show)
 
 
 

app/ghcup/GHCup/OptParse/GC.hs

@@ -47,7 +47,7 @@ data GCOptions = GCOptions
   , gcHLSNoGHC :: Bool
   , gcCache :: Bool
   , gcTmp :: Bool
-  }
+  } deriving (Eq, Show)
 
 
 

app/ghcup/GHCup/OptParse/Install.hs

@@ -54,6 +54,7 @@ data InstallCommand = InstallGHC InstallOptions
                     | InstallCabal InstallOptions
                     | InstallHLS InstallOptions
                     | InstallStack InstallOptions
+                    deriving (Eq, Show)
 
 
 
@@ -70,7 +71,7 @@ data InstallOptions = InstallOptions
   , isolateDir   :: Maybe FilePath
   , forceInstall :: Bool
   , addConfArgs  :: [T.Text]
-  }
+  } deriving (Eq, Show)
 
 
 
@@ -196,7 +197,7 @@ installOpts tool =
            (  short 'i'
            <> long "isolate"
            <> metavar "DIR"
-           <> help "install in an isolated dir instead of the default one"
+           <> help "install in an isolated absolute directory instead of the default one"
            <> completer (bashCompleter "directory")
            )
           )

app/ghcup/GHCup/OptParse/List.hs

@@ -58,7 +58,7 @@ data ListOptions = ListOptions
   , lHideOld   :: Bool
   , lShowNightly :: Bool
   , lRawFormat :: Bool
-  }
+  } deriving (Eq, Show)
 
 
 

app/ghcup/GHCup/OptParse/Rm.hs

@@ -50,6 +50,7 @@ data RmCommand = RmGHC RmOptions
                | RmCabal Version
                | RmHLS Version
                | RmStack Version
+               deriving (Eq, Show)
 
 
 
@@ -61,7 +62,7 @@ data RmCommand = RmGHC RmOptions
 
 data RmOptions = RmOptions
   { ghcVer :: GHCTargetVersion
-  }
+  } deriving (Eq, Show)
 
 
 

app/ghcup/GHCup/OptParse/Run.hs

@@ -68,7 +68,7 @@ data RunOptions = RunOptions
   , runBinDir     :: Maybe FilePath
   , runQuick      :: Bool
   , runCOMMAND    :: [String]
-  }
+  } deriving (Eq, Show)
 
 
 

app/ghcup/GHCup/OptParse/Set.hs

@@ -53,6 +53,7 @@ data SetCommand = SetGHC SetOptions
                 | SetCabal SetOptions
                 | SetHLS SetOptions
                 | SetStack SetOptions
+                deriving (Eq, Show)
 
 
 
@@ -64,7 +65,7 @@ data SetCommand = SetGHC SetOptions
 
 data SetOptions = SetOptions
   { sToolVer :: SetToolVersion
-  }
+  } deriving (Eq, Show)
 
 
 

app/ghcup/GHCup/OptParse/UnSet.hs

@@ -48,6 +48,7 @@ data UnsetCommand = UnsetGHC   UnsetOptions
                   | UnsetCabal UnsetOptions
                   | UnsetHLS   UnsetOptions
                   | UnsetStack UnsetOptions
+                  deriving (Eq, Show)
 
 
 
@@ -59,7 +60,7 @@ data UnsetCommand = UnsetGHC   UnsetOptions
 
 data UnsetOptions = UnsetOptions
   { sToolVer :: Maybe T.Text -- target platform triple
-  }
+  } deriving (Eq, Show)
 
 
 
@@ -68,7 +69,7 @@ data UnsetOptions = UnsetOptions
     --[ Parsers ]--
     ---------------
 
-          
+
 unsetParser :: Parser UnsetCommand
 unsetParser =
   subparser
@@ -113,7 +114,14 @@ unsetParser =
   unsetGHCFooter :: String
   unsetGHCFooter = [s|Discussion:
     Unsets the the current GHC version. That means there won't
-    be a ~/.ghcup/bin/ghc anymore.|]
+    be a ~/.ghcup/bin/ghc anymore.
+
+Examples:
+  # unset ghc 
+  ghcup unset ghc
+
+  # unset ghc for the target version
+  ghcup unset ghc armv7-unknown-linux-gnueabihf|]
 
   unsetCabalFooter :: String
   unsetCabalFooter = [s|Discussion:

app/ghcup/GHCup/OptParse/Upgrade.hs

@@ -50,7 +50,7 @@ import Data.Versions         hiding (str)
 data UpgradeOpts = UpgradeInplace
                  | UpgradeAt FilePath
                  | UpgradeGHCupDir
-                 deriving Show
+                 deriving (Eq, Show)
 
 
 

app/ghcup/GHCup/OptParse/Whereis.hs

@@ -54,6 +54,7 @@ data WhereisCommand = WhereisTool Tool (Maybe ToolVersion)
                     | WhereisCacheDir
                     | WhereisLogsDir
                     | WhereisConfDir
+                    deriving (Eq, Show)
 
 
 
@@ -66,7 +67,7 @@ data WhereisCommand = WhereisTool Tool (Maybe ToolVersion)
 
 data WhereisOptions = WhereisOptions {
    directory :: Bool
-}
+} deriving (Eq, Show)
 
 
 

app/ghcup/Main.hs

@@ -181,15 +181,13 @@ Report bugs at <https://github.com/haskell/ghcup-hs/issues>|]
           -- logger interpreter
           logfile <- runReaderT initGHCupFileLogging dirs
           no_color <- isJust <$> lookupEnv "NO_COLOR"
-          liftIO $ hSetBuffering stderr LineBuffering
-          liftIO $ hSetBuffering logfile LineBuffering
           let loggerConfig = LoggerConfig
                 { lcPrintDebug = verbose settings
                 , consoleOutter  = T.hPutStr stderr
                 , fileOutter    =
                     case optCommand of
                       Nuke -> \_ -> pure ()
-                      _ -> T.hPutStr logfile
+                      _ -> T.appendFile logfile
                 , fancyColors = not no_color
                 }
           let leanAppstate = LeanAppState settings dirs keybindings loggerConfig

cabal.project

@@ -23,3 +23,5 @@ package aeson
 package streamly
   flags: +use-unliftio
 
+package *
+  test-show-details: direct

docs/guide.md

@@ -491,6 +491,7 @@ First, obtain the gpg keys:
 ```sh
 gpg --batch --keyserver keys.openpgp.org     --recv-keys 7D1E8AFD1D4A16D71FADA2F2CCC85C0E40C06A8C
 gpg --batch --keyserver keyserver.ubuntu.com --recv-keys FE5AB6C91FEA597C3B31180B73EDE9E8CFBAEF01
+gpg --batch --keyserver keyserver.ubuntu.com --recv-keys 88B57FCF7DB53B4DB3BFA4B1588764FBE22D19C4
 ```
 
 Then verify the gpg key in one of these ways:

docs/install.md

@@ -104,14 +104,19 @@ GHCup supports the following tools, which are also known as the **Haskell Toolch
 <table>
 <thead><tr><th>GHC Version</th><th>Tags</th></tr></thead>
 <tbody>
-<tr><td>9.6.1</td><td><span style="color:blue">latest</span>, base-4.18.0.0</td></tr>
+<tr><td>9.6.2</td><td><span style="color:blue">latest</span>, base-4.18.0.0</td></tr>
+<tr><td>9.6.1</td><td>base-4.18.0.0</td></tr>
+<tr><td>9.4.7</td><td>base-4.17.2.0</td></tr>
+<tr><td>9.4.6</td><td>base-4.17.2.0</td></tr>
+<tr><td>9.4.5</td><td>base-4.17.1.0</td></tr>
 <tr><td>9.4.4</td><td>base-4.17.0.0</td></tr>
 <tr><td>9.4.3</td><td>base-4.17.0.0</td></tr>
 <tr><td>9.4.2</td><td>base-4.17.0.0</td></tr>
 <tr><td>9.4.1</td><td>base-4.17.0.0</td></tr>
+<tr><td>9.2.8</td><td><span style="color:green">recommended</span>, base-4.16.4.0</td></tr>
 <tr><td>9.2.7</td><td>base-4.16.4.0</td></tr>
 <tr><td>9.2.6</td><td>base-4.16.4.0</td></tr>
-<tr><td>9.2.5</td><td><span style="color:green">recommended</span>, base-4.16.4.0</td></tr>
+<tr><td>9.2.5</td><td>base-4.16.4.0</td></tr>
 <tr><td>9.2.4</td><td>base-4.16.3.0</td></tr>
 <tr><td>9.2.3</td><td>base-4.16.2.0</td></tr>
 <tr><td>9.2.2</td><td>base-4.16.1.0</td></tr>
@@ -166,8 +171,13 @@ GHCup supports the following tools, which are also known as the **Haskell Toolch
 <table>
 <thead><tr><th>HLS Version</th><th>Tags</th></tr></thead>
 <tbody>
-<tr><td>1.9.1.0</td><td><span style="color:blue">latest</span></td></tr>
+<tr><td>2.2.0.0</td><td><span style="color:blue">latest</span>, <span style="color:green">recommended</span></td></tr>
-<tr><td>1.9.0.0</td><td><span style="color:green">recommended</span></td></tr>
+<tr><td>2.1.0.0</td><td></td></tr>
+<tr><td>2.0.0.1</td><td></td></tr>
+<tr><td>2.0.0.0</td><td></td></tr>
+<tr><td>1.10.0.0</td><td></td></tr>
+<tr><td>1.9.1.0</td><td></td></tr>
+<tr><td>1.9.0.0</td><td></td></tr>
 <tr><td>1.8.0.0</td><td></td></tr>
 <tr><td>1.7.0.0</td><td></td></tr>
 <tr><td>1.6.1.0</td><td></td></tr>
@@ -186,7 +196,8 @@ GHCup supports the following tools, which are also known as the **Haskell Toolch
 <table>
 <thead><tr><th>Stack Version</th><th>Tags</th></tr></thead>
 <tbody>
-<tr><td>2.9.3</td><td><span style="color:blue">latest</span>, <span style="color:green">recommended</span></td></tr>
+<tr><td>2.11.1</td><td><span style="color:blue">latest</span></td></tr>
+<tr><td>2.9.3</td><td><span style="color:green">recommended</span></td></tr>
 <tr><td>2.9.1</td><td></td></tr>
 <tr><td>2.7.5</td><td></td></tr>
 <tr><td>2.7.3</td><td></td></tr>
@@ -200,7 +211,7 @@ GHCup supports the following tools, which are also known as the **Haskell Toolch
 
 This list may not be exhaustive and specifies support for bindists only.
 
-| Platform | Architecture | ghcup | GHC | cabal | HLS | stack | 
+| Platform | Architecture | ghcup | GHC | cabal | HLS | stack |
 | ------ | ------ | ------ | ------ | ------ | ------ | ------ |
 | Windows 7 | amd64 | ❔ | ✅ | ✅ | ✅ | ✅ |
 | Windows 10 | amd64 | ✅ | ✅ | ✅ | ✅ | ✅ |

ghcup.cabal

@@ -53,6 +53,43 @@ flag no-exe
   default:     False
   manual:      True
 
+common app-common-depends
+  build-depends:
+    , aeson                  >=1.4
+    , aeson-pretty           ^>=0.8.8
+    , async                  ^>=2.2.3
+    , base                   >=4.12     && <5
+    , bytestring             >=0.10     && <0.12
+    , cabal-install-parsers  >=0.4.5
+    , cabal-plan             ^>=0.7.2
+    , containers             ^>=0.6
+    , deepseq                ^>=1.4
+    , directory              ^>=1.3.6.0
+    , filepath               ^>=1.4.2.1
+    , haskus-utils-types     ^>=1.5
+    , haskus-utils-variant   ^>=3.2.1
+    , libarchive             ^>=3.0.3.0
+    , megaparsec             >=8.0.0    && <9.3
+    , mtl                    ^>=2.2
+    , optparse-applicative   >=0.15.1.0 && <0.18
+    , pretty                 ^>=1.1.3.1
+    , pretty-terminal        ^>=0.1.0.0
+    , process                ^>=1.6.11.0
+    , resourcet              ^>=1.2.2
+    , safe                   ^>=0.3.18
+    , safe-exceptions        ^>=0.1
+    , tagsoup                ^>=0.14
+    , template-haskell       >=2.7      && <2.20
+    , temporary              ^>=1.3
+    , text                   ^>=2.0
+    , time                   >=1.9.3    && <1.12
+    , unordered-containers   ^>=0.2
+    , uri-bytestring         ^>=0.3.2.2
+    , utf8-string            ^>=1.0
+    , vector                 ^>=0.12
+    , versions               >=4.0.1    && <5.1
+    , yaml-streamly          ^>=0.12.0
+
 library
   exposed-modules:
     GHCup
@@ -137,7 +174,7 @@ library
     , pretty-terminal       ^>=0.1.0.0
     , regex-posix           ^>=0.96
     , resourcet             ^>=1.2.2
-    , retry                 ^>=0.8.1.2 || ^>=0.9
+    , retry                 >=0.8.1.2    && <0.10
     , safe                  ^>=0.3.18
     , safe-exceptions       ^>=0.1
     , split                 ^>=0.2.3.4
@@ -146,7 +183,7 @@ library
     , template-haskell      >=2.7        && <2.20
     , temporary             ^>=1.3
     , text                  ^>=2.0
-    , time                  ^>=1.9.3 || ^>=1.10 || ^>=1.11
+    , time                  >=1.9.3      && <1.12
     , transformers          ^>=0.5
     , unliftio-core         ^>=0.2.0.1
     , unordered-containers  ^>=0.2.10.0
@@ -201,7 +238,67 @@ library
     cpp-options:   -DBRICK
     build-depends: vty ^>=5.37
 
+library ghcup-optparse
+  import:             app-common-depends
+  exposed-modules:
+    GHCup.OptParse
+    GHCup.OptParse.ChangeLog
+    GHCup.OptParse.Common
+    GHCup.OptParse.Compile
+    GHCup.OptParse.Config
+    GHCup.OptParse.DInfo
+    GHCup.OptParse.GC
+    GHCup.OptParse.Install
+    GHCup.OptParse.List
+    GHCup.OptParse.Nuke
+    GHCup.OptParse.Prefetch
+    GHCup.OptParse.Rm
+    GHCup.OptParse.Run
+    GHCup.OptParse.Set
+    GHCup.OptParse.Test
+    GHCup.OptParse.ToolRequirements
+    GHCup.OptParse.UnSet
+    GHCup.OptParse.Upgrade
+    GHCup.OptParse.Whereis
+
+  hs-source-dirs:     app/ghcup
+  default-language:   Haskell2010
+  default-extensions:
+    LambdaCase
+    MultiWayIf
+    NamedFieldPuns
+    PackageImports
+    RecordWildCards
+    ScopedTypeVariables
+    StrictData
+    TupleSections
+
+  ghc-options:
+    -Wall -fwarn-tabs -fwarn-incomplete-uni-patterns
+    -fwarn-incomplete-record-updates
+
+  build-depends:      ghcup
+
+  if flag(internal-downloader)
+    cpp-options: -DINTERNAL_DOWNLOADER
+
+  if (flag(tui) && !os(windows))
+    cpp-options:   -DBRICK
+    other-modules: BrickMain
+    build-depends:
+      , brick         ^>=1.5
+      , transformers  ^>=0.5
+      , unix          ^>=2.7
+      , vty           ^>=5.37
+
+  if os(windows)
+    cpp-options: -DIS_WINDOWS
+
+  else
+    build-depends: unix ^>=2.7
+
 executable ghcup
+  import:             app-common-depends
   main-is:            Main.hs
   other-modules:
     GHCup.OptParse
@@ -241,41 +338,8 @@ executable ghcup
     -fwarn-incomplete-record-updates -threaded
 
   build-depends:
-    , aeson                  >=1.4
-    , aeson-pretty           ^>=0.8.8
-    , async                  ^>=2.2.3
-    , base                   >=4.12     && <5
-    , bytestring             >=0.10     && <0.12
-    , cabal-install-parsers  >=0.4.5
-    , cabal-plan             ^>=0.7.2
-    , containers             ^>=0.6
-    , deepseq                ^>=1.4
-    , directory              ^>=1.3.6.0
-    , filepath               ^>=1.4.2.1
     , ghcup
-    , haskus-utils-types     ^>=1.5
+    , ghcup-optparse
-    , haskus-utils-variant   ^>=3.2.1
-    , libarchive             ^>=3.0.3.0
-    , megaparsec             >=8.0.0    && <9.3
-    , mtl                    ^>=2.2
-    , optparse-applicative   >=0.15.1.0 && <0.18
-    , pretty                 ^>=1.1.3.1
-    , pretty-terminal        ^>=0.1.0.0
-    , process                ^>=1.6.11.0
-    , resourcet              ^>=1.2.2
-    , safe                   ^>=0.3.18
-    , safe-exceptions        ^>=0.1
-    , tagsoup                ^>=0.14
-    , template-haskell       >=2.7      && <2.20
-    , temporary              ^>=1.3
-    , text                   ^>=2.0
-    , time                   ^>=1.9.3 || ^>=1.10 || ^>=1.11
-    , unordered-containers   ^>=0.2
-    , uri-bytestring         ^>=0.3.2.2
-    , utf8-string            ^>=1.0
-    , vector                 ^>=0.12
-    , versions               >=4.0.1    && <5.1
-    , yaml-streamly          ^>=0.12.0
 
   if flag(internal-downloader)
     cpp-options: -DINTERNAL_DOWNLOADER
@@ -302,7 +366,7 @@ test-suite ghcup-test
   type:               exitcode-stdio-1.0
   main-is:            Main.hs
   build-tool-depends: hspec-discover:hspec-discover -any
-  hs-source-dirs:     test
+  hs-source-dirs:     test/ghcup-test
   other-modules:
     GHCup.ArbitraryTypes
     GHCup.Prelude.File.Posix.TraversalsSpec
@@ -336,8 +400,8 @@ test-suite ghcup-test
     , QuickCheck                ^>=2.14.1
     , quickcheck-arbitrary-adt  ^>=0.3.1.0
     , streamly                  ^>=0.8.2
-    , time                      ^>=1.9.3 || ^>=1.10 || ^>=1.11
     , text                      ^>=2.0
+    , time                      >=1.9.3   && <1.12
     , uri-bytestring            ^>=0.3.2.2
     , versions                  >=4.0.1   && <5.1
 
@@ -346,3 +410,39 @@ test-suite ghcup-test
 
   else
     build-depends: unix ^>=2.7
+
+test-suite ghcup-optparse-test
+  type:             exitcode-stdio-1.0
+  hs-source-dirs:   test/optparse-test
+  main-is:          Main.hs
+  other-modules:
+    ChangeLogTest
+    CompileTest
+    ConfigTest
+    GCTest
+    InstallTest
+    ListTest
+    OtherCommandTest
+    RmTest
+    RunTest
+    SetTest
+    UnsetTest
+    UpgradeTest
+    Utils
+    WhereisTest
+
+  if os(windows)
+    cpp-options: -DIS_WINDOWS
+
+  default-language: Haskell2010
+  ghc-options:      -Wall
+  build-depends:
+    , base
+    , ghcup
+    , ghcup-optparse
+    , optparse-applicative
+    , tasty
+    , tasty-hunit
+    , text
+    , uri-bytestring
+    , versions

hie.yaml

@@ -5,4 +5,6 @@ cradle:
   - component: "ghcup:exe:ghcup"
     path: ./app/ghcup
   - component: "ghcup:test:ghcup-test"
-    path: ./test
+    path: ./test/ghcup-test
+  - component: "ghcup:test:ghcup-optparse-test"
+    path: ./test/optparse-test

lib/GHCup/Download.hs

@@ -87,8 +87,6 @@ import qualified Data.Text.IO                  as T
 import qualified Data.Text.Encoding            as E
 import qualified Data.Yaml.Aeson               as Y
 
-import qualified UnliftIO.Async                as Async
-
 
 
 
@@ -113,7 +111,6 @@ getDownloadsF :: ( FromJSONKey Tool
                  , MonadThrow m
                  , MonadFail m
                  , MonadMask m
-                 , MonadUnliftIO m
                  )
               => Excepts
                    '[DigestError, ContentLengthError, GPGError, JSONError , DownloadFailed , FileDoesNotExistError]
@@ -124,12 +121,12 @@ getDownloadsF = do
   case urlSource of
     GHCupURL -> liftE $ getBase ghcupURL
     (OwnSource exts) -> do
-      ext  <- Async.mapConcurrently (either pure (liftE . getBase)) exts
+      ext  <- liftE $ mapM (either pure getBase) exts
       mergeGhcupInfo ext
     (OwnSpec av) -> pure av
     (AddSource exts) -> do
       base <- liftE $ getBase ghcupURL
-      ext  <- Async.mapConcurrently (either pure (liftE . getBase)) exts
+      ext  <- liftE $ mapM (either pure getBase) exts
       mergeGhcupInfo (base:ext)
 
  where

lib/GHCup/Errors.hs

@@ -430,8 +430,6 @@ instance HFErrorProject JSONError where
   eBase _ = 160
   eDesc _ = "JSON decoding failed"
 
-instance Exception JSONError
-
 -- | A file that is supposed to exist does not exist
 -- (e.g. when we use file scheme to "download" something).
 data FileDoesNotExistError = FileDoesNotExistError FilePath
@@ -445,8 +443,6 @@ instance HFErrorProject FileDoesNotExistError where
   eBase _ = 170
   eDesc _ = "A file that is supposed to exist does not exist (oops)"
 
-instance Exception FileDoesNotExistError
-
 -- | The file already exists
 -- (e.g. when we use isolated installs with the same path).
 -- (e.g. This is done to prevent any overwriting)
@@ -486,8 +482,6 @@ instance HFErrorProject DigestError where
   eBase _ = 200
   eDesc _ = "File digest verification failed"
 
-instance Exception DigestError
-
 -- | File PGP verification failed.
 data GPGError = forall xs . (ToVariantMaybe DownloadFailed xs, PopVariant DownloadFailed xs, Show (V xs), Pretty (V xs)) => GPGError (V xs)
 
@@ -500,8 +494,6 @@ instance HFErrorProject GPGError where
   eBase _ = 210
   eDesc _ = "File PGP verification failed"
 
-instance Exception GPGError
-
 -- | Unexpected HTTP status.
 data HTTPStatusError = HTTPStatusError Int (M.Map (CI ByteString) ByteString)
   deriving Show
@@ -715,8 +707,6 @@ instance HFErrorProject DownloadFailed where
   eNum (DownloadFailed xs) = 5000 + eNum xs
   eDesc _ = "A download failed."
 
-instance Exception DownloadFailed
-
 data InstallSetError = forall xs1 xs2 . (Show (V xs1), Pretty (V xs1), HFErrorProject (V xs1), Show (V xs2), Pretty (V xs2), HFErrorProject (V xs2)) => InstallSetError (V xs1) (V xs2)
 
 instance Pretty InstallSetError where

lib/GHCup/GHC.hs

@@ -83,6 +83,7 @@ import qualified Text.Megaparsec               as MP
 data GHCVer = SourceDist Version
             | GitDist GitBranch
             | RemoteDist URI
+            deriving (Eq, Show)
 
 
 

lib/GHCup/HLS.hs

@@ -75,6 +75,7 @@ data HLSVer = SourceDist Version
             | GitDist GitBranch
             | HackageDist Version
             | RemoteDist URI
+            deriving (Eq, Show)
 
 
 

lib/GHCup/List.hs

@@ -65,7 +65,7 @@ import qualified Data.Text                     as T
 data ListCriteria = ListInstalled  Bool
                   | ListSet        Bool
                   | ListAvailable  Bool
-                  deriving Show
+                  deriving (Eq, Show)
 
 -- | A list result describes a single tool version
 -- and various of its properties.

lib/GHCup/Prelude/Logger.hs

@@ -34,7 +34,6 @@ import           Control.Monad.IO.Class
 import           Control.Monad.Reader
 import           Prelude                 hiding ( appendFile )
 import           System.FilePath
-import           System.IO
 import           System.IO.Error
 import           Text.Regex.Posix
 
@@ -46,7 +45,7 @@ initGHCupFileLogging :: ( MonadReader env m
                         , HasDirs env
                         , MonadIO m
                         , MonadMask m
-                        ) => m Handle
+                        ) => m FilePath
 initGHCupFileLogging = do
   Dirs { logsDir } <- getDirs
   let logfile = fromGHCupPath logsDir </> "ghcup.log"
@@ -59,5 +58,4 @@ initGHCupFileLogging = do
   forM_ logFiles $ hideError doesNotExistErrorType . recycleFile . (fromGHCupPath logsDir </>)
 
   liftIO $ writeFile logfile ""
-  liftIO $ openFile logfile AppendMode
+  pure logfile
-

lib/GHCup/Types.hs

@@ -7,11 +7,7 @@
 {-# LANGUAGE FlexibleContexts  #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE TemplateHaskell   #-}
-{-# LANGUAGE TypeOperators   #-}
-{-# LANGUAGE ScopedTypeVariables #-}
-{-# LANGUAGE TypeFamilies        #-}
 {-# LANGUAGE DuplicateRecordFields #-}
-{-# LANGUAGE UndecidableInstances #-}
 
 {-|
 Module      : GHCup.Types
@@ -32,15 +28,13 @@ module GHCup.Types
 
 import {-# SOURCE #-} GHCup.Utils.Dirs          ( fromGHCupPath, GHCupPath )
 
-import           Control.Monad
-import           Control.Monad.Trans.Class      ( lift )
 import           Control.DeepSeq                ( NFData, rnf )
 import           Data.Map.Strict                ( Map )
 import           Data.List.NonEmpty             ( NonEmpty (..) )
 import           Data.Time.Calendar             ( Day )
 import           Data.Text                      ( Text )
 import           Data.Versions
-import           GHC.IO.Exception               ( ExitCode, IOException(..) )
+import           GHC.IO.Exception               ( ExitCode )
 import           Optics                         ( makeLenses )
 import           Text.PrettyPrint.HughesPJClass (Pretty, pPrint, text)
 import           URI.ByteString
@@ -51,13 +45,8 @@ import           Graphics.Vty                   ( Key(..) )
 import qualified Data.ByteString.Lazy          as BL
 import qualified Data.Text                     as T
 import qualified GHC.Generics                  as GHC
-
+import qualified Data.List.NonEmpty            as NE
-import           Control.Monad.IO.Unlift
+import           Data.Foldable                  (foldMap)
-import           UnliftIO.Exception
-import           Haskus.Utils.Variant.Excepts
-import           Haskus.Utils.Variant.VEither
-import Control.Monad.Except (ExceptT(..), runExceptT)
-
 
 #if !defined(BRICK)
 data Key = KEsc  | KChar Char | KBS | KEnter
@@ -649,6 +638,17 @@ data VersionRange = SimpleRange (NonEmpty VersionCmp) -- And
 
 instance NFData VersionRange
 
+instance Pretty VersionCmp where
+  pPrint (VR_gt v) = text "> " <> pPrint v
+  pPrint (VR_gteq v) = text ">= " <> pPrint v
+  pPrint (VR_lt v) = text "< " <> pPrint v
+  pPrint (VR_lteq v) = text "<= " <> pPrint v
+  pPrint (VR_eq v) = text "= " <> pPrint v
+
+instance Pretty VersionRange where
+  pPrint (SimpleRange xs) = foldl1 (\x y -> x <> text " && " <> y) $ NE.map pPrint xs
+  pPrint (OrRange xs vr) = foldMap pPrint xs <> " || " <> pPrint vr
+
 instance Pretty Versioning where
   pPrint = text . T.unpack . prettyV
 
@@ -725,6 +725,7 @@ data ToolVersion = GHCVersion GHCTargetVersion
                  | ToolVersion Version
                  | ToolTag Tag
                  | ToolDay Day
+                 deriving (Eq, Show)
 
 instance Pretty ToolVersion where
   pPrint (GHCVersion v) = pPrint v
@@ -737,20 +738,3 @@ instance Pretty ToolVersion where
 data BuildSystem = Hadrian
                  | Make
   deriving (Show, Eq)
-
-instance forall es m . (MonadUnliftIO m, Exception (V es)) => MonadUnliftIO (Excepts es m) where
-    withRunInIO exceptSToIO = Excepts $ fmap (either VLeft VRight) $ try $ do
-        withRunInIO $ \runInIO ->
-            exceptSToIO (runInIO . ((\case
-                                     VLeft v -> liftIO $ throwIO $ toException v
-                                     VRight a -> pure a) <=< runE))
-
-
-instance Exception (V '[]) where
-
-instance
-   ( Exception x
-   , Typeable xs
-   , Exception (V xs)
-   ) => Exception (V (x ': xs))
-

test/ghcup-test/GHCup/Prelude/File/Posix/TraversalsSpec.hs

@@ -24,7 +24,7 @@ spec = do
   -- https://github.com/haskell/ghcup-hs/issues/415
   describe "GHCup.Prelude.File.Posix.Traversals" $ do
     it "readDirEnt" $ do
-      dirstream <- liftIO $ openDirStreamPortable "test/data"
+      dirstream <- liftIO $ openDirStreamPortable "test/ghcup-test/data"
       (dt1, fp1) <- readDirEntPortable dirstream
       (dt2, fp2) <- readDirEntPortable dirstream
       (dt3, fp3) <- readDirEntPortable dirstream

test/ghcup-test/GHCup/Types/JSONSpec.hs

@@ -17,6 +17,6 @@ spec = do
   roundtripAndGoldenSpecsWithSettings (defaultSettings { goldenDirectoryOption = CustomDirectoryName goldenDir }) (Proxy @GHCupInfo)
  where
   goldenDir
-    | isWindows = "test/golden/windows"
+    | isWindows = "test/ghcup-test/golden/windows"
-    | otherwise = "test/golden/unix"
+    | otherwise = "test/ghcup-test/golden/unix"
 

test/optparse-test/ChangeLogTest.hs

@@ -0,0 +1,49 @@
+module ChangeLogTest where
+
+import Test.Tasty
+import GHCup.OptParse
+import Utils
+import Test.Tasty.HUnit
+import Control.Monad.IO.Class
+import GHCup.Types
+import Data.Versions
+import Data.List.NonEmpty (NonEmpty ((:|)))
+
+changeLogTests :: TestTree
+changeLogTests = testGroup "changelog" $ map (uncurry check) checkList
+  where
+    check :: String -> ChangeLogOptions -> TestTree
+    check args expected = testCase args $ do
+      res <- changeLogParseWith (words args)
+      liftIO $ res @?= expected
+
+checkList :: [(String, ChangeLogOptions)]
+checkList =
+  [ ("changelog", ChangeLogOptions False Nothing Nothing)
+  , ("changelog -o", ChangeLogOptions True Nothing Nothing)
+  , ("changelog -t ghc", ChangeLogOptions False (Just GHC) Nothing)
+  , ("changelog -t cabal", ChangeLogOptions False (Just Cabal) Nothing)
+  , ("changelog -t hls", ChangeLogOptions False (Just HLS) Nothing)
+  , ("changelog -t stack", ChangeLogOptions False (Just Stack) Nothing)
+  , ("changelog -t ghcup", ChangeLogOptions False (Just GHCup) Nothing)
+  , ("changelog 9.2", ChangeLogOptions False Nothing
+      (Just $ GHCVersion
+        $ GHCTargetVersion
+          Nothing
+          (mkVersion $ (Digits 9 :| []) :| [Digits 2 :| []]))
+    )
+  , ("changelog recommended", ChangeLogOptions False Nothing (Just $ ToolTag Recommended))
+  , ("changelog -t cabal recommended", ChangeLogOptions False (Just Cabal) (Just $ ToolTag Recommended))
+  , ("changelog -t cabal 3.10.1.0", ChangeLogOptions False (Just Cabal)
+      (Just $ GHCVersion
+        $ GHCTargetVersion
+          Nothing
+          (mkVersion $ (Digits 3 :| []) :| [Digits 10 :| [],Digits 1 :| [],Digits 0 :| []]))
+    )
+  , ("changelog 2023-07-22", ChangeLogOptions False Nothing (Just (ToolDay (read "2023-07-22"))))
+  ]
+
+changeLogParseWith :: [String] -> IO ChangeLogOptions
+changeLogParseWith args = do
+  ChangeLog a <- parseWith args
+  pure a

test/optparse-test/CompileTest.hs

@@ -0,0 +1,190 @@
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE QuasiQuotes #-}
+{-# LANGUAGE CPP #-}
+
+module CompileTest where
+
+import Test.Tasty
+import GHCup.OptParse
+import Utils
+import Data.Versions
+import GHCup.Types
+import URI.ByteString.QQ
+import qualified GHCup.OptParse.Compile as GHC (GHCCompileOptions(..))
+import qualified GHCup.OptParse.Compile as HLS (HLSCompileOptions(..))
+import GHCup.GHC as GHC
+import GHCup.HLS as HLS
+
+
+compileTests :: TestTree
+compileTests = testGroup "compile"
+  $ map (buildTestTree compileParseWith)
+      [ ("ghc", compileGhcCheckList)
+      , ("hls", compileHlsCheckList)
+      ]
+
+mkDefaultGHCCompileOptions :: GHCVer -> Either Version FilePath -> GHCCompileOptions
+mkDefaultGHCCompileOptions target boot =
+  GHCCompileOptions
+    target
+    boot
+    Nothing
+    Nothing
+    (Just $ Right [])
+    Nothing
+    []
+    False
+    Nothing
+    Nothing
+    Nothing
+    Nothing
+
+mkDefaultHLSCompileOptions :: HLSVer -> [ToolVersion] -> HLSCompileOptions
+mkDefaultHLSCompileOptions target ghcs =
+  HLSCompileOptions
+    target
+    Nothing
+    True
+    False
+    (Left False)
+    Nothing
+    Nothing
+    Nothing
+    (Just $ Right [])
+    ghcs
+    []
+
+compileGhcCheckList :: [(String, CompileCommand)]
+compileGhcCheckList = mapSecond CompileGHC
+  [ ("compile ghc -v 9.4.5 -b 9.2.8", baseOptions)
+  , ("compile ghc -g a32db0b -b 9.2.8", mkDefaultGHCCompileOptions
+        (GHC.GitDist $ GitBranch "a32db0b" Nothing)
+        (Left $ mkVersion' "9.2.8")
+    )
+  , ("compile ghc -g a32db0b -b 9.2.8 -r https://gitlab.haskell.org/ghc/ghc.git",
+        mkDefaultGHCCompileOptions
+          (GHC.GitDist $ GitBranch "a32db0b" (Just "https://gitlab.haskell.org/ghc/ghc.git"))
+          (Left $ mkVersion' "9.2.8")
+    )
+  , ("compile ghc -g a32db0b -r https://gitlab.haskell.org/ghc/ghc.git -b /usr/bin/ghc-9.2.2",
+        mkDefaultGHCCompileOptions
+          (GHC.GitDist $ GitBranch "a32db0b" (Just "https://gitlab.haskell.org/ghc/ghc.git"))
+          (Right "/usr/bin/ghc-9.2.2")
+    )
+  , ("compile ghc --remote-source-dist https://gitlab.haskell.org/ghc/ghc.git -b 9.2.8", mkDefaultGHCCompileOptions
+        (GHC.RemoteDist [uri|https://gitlab.haskell.org/ghc/ghc.git|])
+        (Left $ mkVersion' "9.2.8")
+    )
+  , (baseCmd <> "-j20", baseOptions{GHC.jobs = Just 20})
+  , (baseCmd <> "--jobs 10", baseOptions{GHC.jobs = Just 10})
+  , (baseCmd <> "-c build.mk", baseOptions{GHC.buildConfig = Just "build.mk"})
+  , (baseCmd <> "--config build.mk", baseOptions{GHC.buildConfig = Just "build.mk"})
+  , (baseCmd <> "--patch file:///example.patch", baseOptions{GHC.patches = Just $ Right [[uri|file:///example.patch|]]})
+  , (baseCmd <> "-p patch_dir", baseOptions{GHC.patches = Just (Left "patch_dir")})
+  , (baseCmd <> "--patchdir patch_dir", baseOptions{GHC.patches = Just (Left "patch_dir")})
+  , (baseCmd <> "-x armv7-unknown-linux-gnueabihf", baseOptions{GHC.crossTarget = Just "armv7-unknown-linux-gnueabihf"})
+  , (baseCmd <> "--cross-target armv7-unknown-linux-gnueabihf", baseOptions{GHC.crossTarget = Just "armv7-unknown-linux-gnueabihf"})
+  , (baseCmd <> "-- --enable-unregisterised", baseOptions{GHC.addConfArgs = ["--enable-unregisterised"]})
+  , (baseCmd <> "--set", baseOptions{GHC.setCompile = True})
+  , (baseCmd <> "-o 9.4.5-p1", baseOptions{GHC.ovewrwiteVer = Just $ mkVersion' "9.4.5-p1"})
+  , (baseCmd <> "--overwrite-version 9.4.5-p1", baseOptions{GHC.ovewrwiteVer = Just $ mkVersion' "9.4.5-p1"})
+  , (baseCmd <> "-f make", baseOptions{GHC.buildFlavour = Just "make"})
+  , (baseCmd <> "--flavour make", baseOptions{GHC.buildFlavour = Just "make"})
+  , (baseCmd <> "--hadrian", baseOptions{GHC.buildSystem = Just Hadrian})
+  , (baseCmd <> "--make", baseOptions{GHC.buildSystem = Just Make})
+#ifdef IS_WINDOWS
+  , (baseCmd <> "-i C:\\\\tmp\\out_dir", baseOptions{GHC.isolateDir = Just "C:\\\\tmp\\out_dir"})
+  , (baseCmd <> "--isolate C:\\\\tmp\\out_dir", baseOptions{GHC.isolateDir = Just "C:\\\\tmp\\out_dir"})
+#else
+  , (baseCmd <> "-i /tmp/out_dir", baseOptions{GHC.isolateDir = Just "/tmp/out_dir"})
+  , (baseCmd <> "--isolate /tmp/out_dir", baseOptions{GHC.isolateDir = Just "/tmp/out_dir"})
+#endif
+  ]
+  where
+    baseCmd :: String
+    baseCmd = "compile ghc -v 9.4.5 -b 9.2.8 "
+
+    baseOptions :: GHCCompileOptions
+    baseOptions =
+      mkDefaultGHCCompileOptions
+        (GHC.SourceDist $ mkVersion' "9.4.5")
+        (Left $ mkVersion' "9.2.8")
+
+compileHlsCheckList :: [(String, CompileCommand)]
+compileHlsCheckList = mapSecond CompileHLS
+  [ ("compile hls -v 2.0.0.0 --ghc 9.2.8", baseOptions)
+  , ("compile hls --version 2.0.0.0 --ghc 9.2.8", baseOptions)
+  , ("compile hls -g a32db0b --ghc 9.2.8",
+        mkDefaultHLSCompileOptions
+          (HLS.GitDist $ GitBranch {ref = "a32db0b", repo = Nothing})
+          [ghc928]
+    )
+  , ("compile hls --git-ref a32db0b --ghc 9.2.8",
+        mkDefaultHLSCompileOptions
+          (HLS.GitDist $ GitBranch {ref = "a32db0b", repo = Nothing})
+          [ghc928]
+    )
+  , ("compile hls -g a32db0b -r https://github.com/haskell/haskell-language-server.git --ghc 9.2.8",
+        mkDefaultHLSCompileOptions
+          (HLS.GitDist $ GitBranch {ref = "a32db0b", repo = Just "https://github.com/haskell/haskell-language-server.git"})
+          [ghc928]
+    )
+  , ("compile hls -g a32db0b --repository https://github.com/haskell/haskell-language-server.git --ghc 9.2.8",
+        mkDefaultHLSCompileOptions
+          (HLS.GitDist $ GitBranch {ref = "a32db0b", repo = Just "https://github.com/haskell/haskell-language-server.git"})
+          [ghc928]
+    )
+  , ("compile hls --source-dist 2.0.0.0 --ghc 9.2.8",
+        mkDefaultHLSCompileOptions
+          (HLS.SourceDist $ mkVersion' "2.0.0.0")
+          [ghc928]
+    )
+  , ("compile hls --remote-source-dist https://github.com/haskell/haskell-language-server/archive/refs/tags/2.0.0.1.tar.gz --ghc 9.2.8",
+        mkDefaultHLSCompileOptions
+          (HLS.RemoteDist [uri|https://github.com/haskell/haskell-language-server/archive/refs/tags/2.0.0.1.tar.gz|])
+          [ghc928]
+    )
+  , ("compile hls -v 2.0.0.0 --ghc latest",
+        mkDefaultHLSCompileOptions
+          (HLS.HackageDist $ mkVersion' "2.0.0.0")
+          [ToolTag Latest]
+    )
+  , (baseCmd <> "-j20", baseOptions{HLS.jobs = Just 20})
+  , (baseCmd <> "--jobs 10", baseOptions{HLS.jobs = Just 10})
+  , (baseCmd <> "--no-set", baseOptions{HLS.setCompile = False})
+  , (baseCmd <> "--cabal-update", baseOptions{HLS.updateCabal = True})
+  , (baseCmd <> "-o 2.0.0.0-p1", baseOptions{HLS.ovewrwiteVer = Right $ mkVersion' "2.0.0.0-p1"})
+  , (baseCmd <> "--overwrite-version 2.0.0.0-p1", baseOptions{HLS.ovewrwiteVer = Right $ mkVersion' "2.0.0.0-p1"})
+  , (baseCmd <> "--git-describe-version", baseOptions{HLS.ovewrwiteVer = Left True})
+#ifdef IS_WINDOWS
+  , (baseCmd <> "-i C:\\\\tmp\\out_dir", baseOptions{HLS.isolateDir = Just "C:\\\\tmp\\out_dir"})
+  , (baseCmd <> "--isolate C:\\\\tmp\\out_dir", baseOptions{HLS.isolateDir = Just "C:\\\\tmp\\out_dir"})
+#else
+  , (baseCmd <> "-i /tmp/out_dir", baseOptions{HLS.isolateDir = Just "/tmp/out_dir"})
+  , (baseCmd <> "--isolate /tmp/out_dir", baseOptions{HLS.isolateDir = Just "/tmp/out_dir"})
+#endif
+  , (baseCmd <> "--cabal-project file:///tmp/cabal.project", baseOptions{HLS.cabalProject = Just $ Right [uri|file:///tmp/cabal.project|]})
+  , (baseCmd <> "--cabal-project cabal.ghc8107.project", baseOptions{HLS.cabalProject = Just $ Left "cabal.ghc8107.project"})
+  , (baseCmd <> "--cabal-project-local file:///tmp/cabal.project.local", baseOptions{HLS.cabalProjectLocal = Just [uri|file:///tmp/cabal.project.local|]})
+  , (baseCmd <> "--patch file:///example.patch", baseOptions{HLS.patches = Just $ Right [[uri|file:///example.patch|]]})
+  , (baseCmd <> "-p patch_dir", baseOptions{HLS.patches = Just (Left "patch_dir")})
+  , (baseCmd <> "--patchdir patch_dir", baseOptions{HLS.patches = Just (Left "patch_dir")})
+  , (baseCmd <> "-- --enable-tests", baseOptions{HLS.cabalArgs = ["--enable-tests"]})
+  ]
+  where
+    baseCmd :: String
+    baseCmd = "compile hls -v 2.0.0.0 --ghc 9.2.8 "
+
+    baseOptions :: HLSCompileOptions
+    baseOptions =
+      mkDefaultHLSCompileOptions
+        (HLS.HackageDist $ mkVersion' "2.0.0.0")
+        [ghc928]
+
+    ghc928 :: ToolVersion
+    ghc928 = GHCVersion $ GHCTargetVersion Nothing (mkVersion' "9.2.8")
+
+compileParseWith :: [String] -> IO CompileCommand
+compileParseWith args = do
+  Compile a <- parseWith args
+  pure a

test/optparse-test/ConfigTest.hs

@@ -0,0 +1,34 @@
+{-# LANGUAGE QuasiQuotes #-}
+
+module ConfigTest where
+
+import Test.Tasty
+import Test.Tasty.HUnit
+import GHCup.OptParse
+import Utils
+import Control.Monad.IO.Class
+import URI.ByteString.QQ
+
+configTests :: TestTree
+configTests = testGroup "config" $ map (uncurry check) checkList
+  where
+    check :: String -> ConfigCommand -> TestTree
+    check args expected = testCase args $ do
+      res <- configParseWith (words args)
+      liftIO $ res @?= expected
+
+checkList :: [(String, ConfigCommand)]
+checkList =
+  [ ("config", ShowConfig)
+  , ("config init", InitConfig)
+  , ("config show", ShowConfig)
+  , ("config add-release-channel https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-prereleases-0.0.7.yaml"
+    , AddReleaseChannel False [uri|https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-prereleases-0.0.7.yaml|]
+    )
+  , ("config set cache true", SetConfig "cache" (Just "true"))
+  ]
+
+configParseWith :: [String] -> IO ConfigCommand
+configParseWith args = do
+  Config a <- parseWith args
+  pure a

test/optparse-test/GCTest.hs

@@ -0,0 +1,42 @@
+module GCTest where
+
+import Test.Tasty
+import GHCup.OptParse
+import Utils
+
+
+gcTests :: TestTree
+gcTests = buildTestTree gcParseWith ("gc", gcCheckList)
+
+defaultOptions :: GCOptions
+defaultOptions =
+  GCOptions
+    False
+    False
+    False
+    False
+    False
+    False
+
+gcCheckList :: [(String, GCOptions)]
+gcCheckList =
+  [ ("gc", defaultOptions)
+  , ("gc -o", defaultOptions{gcOldGHC = True})
+  , ("gc --ghc-old", defaultOptions{gcOldGHC = True})
+  , ("gc -p", defaultOptions{gcProfilingLibs = True})
+  , ("gc --profiling-libs", defaultOptions{gcProfilingLibs = True})
+  , ("gc -s", defaultOptions{gcShareDir = True})
+  , ("gc --share-dir", defaultOptions{gcShareDir = True})
+  , ("gc -h", defaultOptions{gcHLSNoGHC = True})
+  , ("gc --hls-no-ghc", defaultOptions{gcHLSNoGHC = True})
+  , ("gc -c", defaultOptions{gcCache = True})
+  , ("gc --cache", defaultOptions{gcCache = True})
+  , ("gc -t", defaultOptions{gcTmp = True})
+  , ("gc --tmpdirs", defaultOptions{gcTmp = True})
+  , ("gc -o -p -s -h -c -t", GCOptions True True True True True True)
+  ]
+
+gcParseWith :: [String] -> IO GCOptions
+gcParseWith args = do
+  GC a <- parseWith args
+  pure a

test/optparse-test/InstallTest.hs

@@ -0,0 +1,223 @@
+{-# LANGUAGE CPP               #-}
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE QuasiQuotes       #-}
+
+module InstallTest where
+
+import Test.Tasty
+import GHCup.OptParse hiding (HLSCompileOptions(isolateDir))
+import Utils
+import GHCup.Types
+import Data.Versions
+import Data.List.NonEmpty (NonEmpty ((:|)))
+import GHCup.OptParse.Install as Install
+import URI.ByteString.QQ
+
+-- Some interests:
+--   install ghc *won't* select `set as activate version` as default
+--   install cabal *will* select `set as activate version` as default
+--   install hls *will* select `set as activate version` as default
+--   install stack *will* select `set as activate version` as default
+
+installTests :: TestTree
+installTests = testGroup "install"
+  $ map
+      (buildTestTree installParseWith)
+      [ ("old-style", oldStyleCheckList)
+      , ("ghc", installGhcCheckList)
+      , ("cabal", installCabalCheckList)
+      , ("hls", installHlsCheckList)
+      , ("stack", installStackCheckList)
+      ]
+
+defaultOptions :: InstallOptions
+defaultOptions = InstallOptions Nothing Nothing False Nothing False []
+
+-- | Don't set as active version
+mkInstallOptions :: ToolVersion -> InstallOptions
+mkInstallOptions ver = InstallOptions (Just ver) Nothing False Nothing False []
+
+-- | Set as active version
+mkInstallOptions' :: ToolVersion -> InstallOptions
+mkInstallOptions' ver = InstallOptions (Just ver) Nothing True Nothing False []
+
+oldStyleCheckList :: [(String, Either InstallCommand InstallOptions)]
+oldStyleCheckList =
+      ("install", Right defaultOptions)
+    : ("install --set", Right defaultOptions{instSet = True})
+    : ("install --force", Right defaultOptions{forceInstall = True})
+#ifdef IS_WINDOWS
+    : ("install -i C:\\\\", Right defaultOptions{Install.isolateDir = Just "C:\\\\"})
+#else
+    : ("install -i /", Right defaultOptions{Install.isolateDir = Just "/"})
+#endif
+    : ("install -u https://gitlab.haskell.org/ghc/ghc/-/jobs/artifacts/master/raw/ghc-x86_64-linux-fedora33-release.tar.xz head"
+    , Right defaultOptions
+        { instBindist = Just [uri|https://gitlab.haskell.org/ghc/ghc/-/jobs/artifacts/master/raw/ghc-x86_64-linux-fedora33-release.tar.xz|]
+        , instVer = Just $ GHCVersion $ GHCTargetVersion Nothing (mkVersion $ (Str "head" :| []) :| [])
+        }
+    )
+    : mapSecond
+        (Right . mkInstallOptions)
+        [ ("install ghc-9.2", GHCVersion
+              $ GHCTargetVersion
+                (Just "ghc")
+                (mkVersion $ (Digits 9 :| []) :| [Digits 2 :| []])
+          )
+          -- invalid
+        , ("install next", GHCVersion
+              $ GHCTargetVersion
+                Nothing
+                (mkVersion $ (Str "next" :| []) :| [])
+          )
+        , ("install latest", ToolTag Latest)
+        , ("install nightly", GHCVersion
+              $ GHCTargetVersion
+                Nothing
+                (mkVersion $ (Str "nightly" :| []) :| [])
+          )
+        , ("install recommended", ToolTag Recommended)
+        , ("install prerelease", GHCVersion
+              $ GHCTargetVersion
+                Nothing
+                (mkVersion $ (Str "prerelease" :| []) :| [])
+          )
+        , ("install latest-prerelease", ToolTag LatestPrerelease)
+        , ("install latest-nightly", ToolTag LatestNightly)
+        , ("install ghc-javascript-unknown-ghcjs-9.6", GHCVersion
+              $ GHCTargetVersion
+                (Just "ghc-javascript-unknown-ghcjs")
+                (mkVersion $ (Digits 9 :| []) :| [Digits 6 :| []])
+          )
+        , ("install base-4.18", ToolTag (Base (PVP {_pComponents = 4 :| [18]})))
+        , ("install cabal-3.10", GHCVersion
+              $ GHCTargetVersion
+                (Just "cabal")
+                (mkVersion $ (Digits 3 :| []) :| [Digits 10 :| []])
+          )
+        , ("install hls-2.0.0.0", GHCVersion
+              $ GHCTargetVersion
+                (Just "hls")
+                (mkVersion $ (Digits 2 :| []) :| [Digits 0 :| [], Digits 0 :| [], Digits 0 :| []])
+          )
+        , ("install stack-2.9.3", GHCVersion
+              $ GHCTargetVersion
+                (Just "stack")
+                (mkVersion $ (Digits 2 :| []) :| [Digits 9 :| [], Digits 3 :| []])
+          )
+        ]
+
+installGhcCheckList :: [(String, Either InstallCommand InstallOptions)]
+installGhcCheckList =
+  ("install ghc", Left $ InstallGHC defaultOptions)
+  : mapSecond (Left . InstallGHC . mkInstallOptions)
+    [ ("install ghc 9.2", GHCVersion
+          $ GHCTargetVersion
+            Nothing
+            (mkVersion $ (Digits 9 :| []) :| [Digits 2 :| []])
+      )
+    , ("install ghc next", GHCVersion
+          $ GHCTargetVersion
+            Nothing
+            (mkVersion $ (Str "next" :| []) :| [])
+      )
+    , ("install ghc latest", ToolTag Latest)
+    , ("install ghc nightly", GHCVersion
+          $ GHCTargetVersion
+            Nothing
+            (mkVersion $ (Str "nightly" :| []) :| [])
+      )
+    , ("install ghc recommended", ToolTag Recommended)
+    , ("install ghc prerelease", GHCVersion
+          $ GHCTargetVersion
+            Nothing
+            (mkVersion $ (Str "prerelease" :| []) :| [])
+      )
+    , ("install ghc latest-prerelease", ToolTag LatestPrerelease)
+    , ("install ghc latest-nightly", ToolTag LatestNightly)
+    , ("install ghc javascript-unknown-ghcjs-9.6", GHCVersion
+          $ GHCTargetVersion
+            (Just "javascript-unknown-ghcjs")
+            (mkVersion $ (Digits 9 :| []) :| [Digits 6 :| []])
+      )
+    , ("install ghc base-4.18", ToolTag (Base (PVP {_pComponents = 4 :| [18]})))
+    , ("install ghc ghc-9.2", GHCVersion
+          $ GHCTargetVersion
+            (Just "ghc")
+            (mkVersion $ (Digits 9 :| []) :| [Digits 2 :| []])
+      )
+    ]
+
+installCabalCheckList :: [(String, Either InstallCommand InstallOptions)]
+installCabalCheckList =
+  ("install cabal", Left $ InstallCabal defaultOptions{instSet = True})
+  : mapSecond (Left . InstallCabal . mkInstallOptions')
+    [ ("install cabal 3.10", ToolVersion $ mkVersion $ (Digits 3 :| []) :| [Digits 10 :| []])
+    , ("install cabal next", ToolVersion $ mkVersion $ (Str "next" :| []) :| [])
+    , ("install cabal latest", ToolTag Latest)
+    , ("install cabal nightly", ToolVersion $ mkVersion $ (Str "nightly" :| []) :| [])
+    , ("install cabal recommended", ToolTag Recommended)
+    , ("install cabal prerelease", ToolVersion $ mkVersion $ (Str "prerelease" :| []) :| [])
+    , ("install cabal latest-prerelease", ToolTag LatestPrerelease)
+    , ("install cabal latest-nightly", ToolTag LatestNightly)
+    , ("install cabal base-4.18", ToolTag (Base (PVP {_pComponents = 4 :| [18]})))
+    , ("install cabal cabal-3.10", ToolVersion
+          $ Version
+            { _vEpoch = Nothing
+            , _vChunks = (Str "cabal" :| []) :| []
+            , _vRel = [Digits 3 :| [], Digits 10 :| []]
+            , _vMeta = Nothing
+            }
+      )
+    ]
+
+installHlsCheckList :: [(String, Either InstallCommand InstallOptions)]
+installHlsCheckList =
+  ("install hls", Left $ InstallHLS defaultOptions{instSet = True})
+  : mapSecond (Left . InstallHLS . mkInstallOptions')
+    [ ("install hls 3.10", ToolVersion $ mkVersion $ (Digits 3 :| []) :| [Digits 10 :| []])
+    , ("install hls next", ToolVersion $ mkVersion $ (Str "next" :| []) :| [])
+    , ("install hls latest", ToolTag Latest)
+    , ("install hls nightly", ToolVersion $ mkVersion $ (Str "nightly" :| []) :| [])
+    , ("install hls recommended", ToolTag Recommended)
+    , ("install hls prerelease", ToolVersion $ mkVersion $ (Str "prerelease" :| []) :| [])
+    , ("install hls latest-prerelease", ToolTag LatestPrerelease)
+    , ("install hls latest-nightly", ToolTag LatestNightly)
+    , ("install hls base-4.18", ToolTag (Base (PVP {_pComponents = 4 :| [18]})))
+    , ("install hls hls-2.0", ToolVersion
+          $ Version
+            { _vEpoch = Nothing
+            , _vChunks = (Str "hls" :| []) :| []
+            , _vRel = [Digits 2 :| [], Digits 0 :| []]
+            , _vMeta = Nothing
+            }
+      )
+    ]
+
+installStackCheckList :: [(String, Either InstallCommand InstallOptions)]
+installStackCheckList =
+  ("install stack", Left $ InstallStack defaultOptions{instSet = True})
+  : mapSecond (Left . InstallStack . mkInstallOptions')
+    [ ("install stack 3.10", ToolVersion $ mkVersion $ (Digits 3 :| []) :| [Digits 10 :| []])
+    , ("install stack next", ToolVersion $ mkVersion $ (Str "next" :| []) :| [])
+    , ("install stack latest", ToolTag Latest)
+    , ("install stack nightly", ToolVersion $ mkVersion $ (Str "nightly" :| []) :| [])
+    , ("install stack recommended", ToolTag Recommended)
+    , ("install stack prerelease", ToolVersion $ mkVersion $ (Str "prerelease" :| []) :| [])
+    , ("install stack latest-prerelease", ToolTag LatestPrerelease)
+    , ("install stack latest-nightly", ToolTag LatestNightly)
+    , ("install stack base-4.18", ToolTag (Base (PVP {_pComponents = 4 :| [18]})))
+    , ("install stack stack-2.9", ToolVersion
+          $ Version
+            { _vEpoch = Nothing
+            , _vChunks = (Str "stack" :| []) :| []
+            , _vRel = [Digits 2 :| [], Digits 9 :| []]
+            , _vMeta = Nothing
+            }
+      )
+    ]
+
+installParseWith :: [String] -> IO (Either InstallCommand InstallOptions)
+installParseWith args = do
+  Install a <- parseWith args
+  pure a

test/optparse-test/ListTest.hs

@@ -0,0 +1,46 @@
+module ListTest where
+
+import Test.Tasty
+import GHCup.OptParse
+import Utils
+import GHCup.List
+import GHCup.Types
+
+
+listTests :: TestTree
+listTests = buildTestTree listParseWith ("list", listCheckList)
+
+defaultOptions :: ListOptions
+defaultOptions = ListOptions Nothing Nothing Nothing Nothing False False False
+
+listCheckList :: [(String, ListOptions)]
+listCheckList =
+  [ ("list", defaultOptions)
+  , ("list -t ghc", defaultOptions{loTool = Just GHC})
+  , ("list -t cabal", defaultOptions{loTool = Just Cabal})
+  , ("list -t hls", defaultOptions{loTool = Just HLS})
+  , ("list -t stack", defaultOptions{loTool = Just Stack})
+  , ("list -c installed", defaultOptions{lCriteria = Just $ ListInstalled True})
+  , ("list -c +installed", defaultOptions{lCriteria = Just $ ListInstalled True})
+  , ("list -c -installed", defaultOptions{lCriteria = Just $ ListInstalled False})
+  , ("list -c set", defaultOptions{lCriteria = Just $ ListSet True})
+  , ("list -c +set", defaultOptions{lCriteria = Just $ ListSet True})
+  , ("list -c -set", defaultOptions{lCriteria = Just $ ListSet False})
+  , ("list -c available", defaultOptions{lCriteria = Just $ ListAvailable True})
+  , ("list -c +available", defaultOptions{lCriteria = Just $ ListAvailable True})
+  , ("list -c -available", defaultOptions{lCriteria = Just $ ListAvailable False})
+  , ("list -s 2023-07-22", defaultOptions{lFrom = Just $ read "2023-07-22"})
+  , ("list -u 2023-07-22", defaultOptions{lTo = Just $ read "2023-07-22"})
+  , ("list --since 2023-07-22 --until 2023-07-22", defaultOptions{lFrom = Just $ read "2023-07-22", lTo = Just $ read "2023-07-22"})
+  , ("list -o", defaultOptions{lHideOld = True})
+  , ("list --hide-old", defaultOptions{lHideOld = True})
+  , ("list -n", defaultOptions{lShowNightly = True})
+  , ("list --show-nightly", defaultOptions{lShowNightly = True})
+  , ("list -r", defaultOptions{lRawFormat = True})
+  , ("list --raw-format", defaultOptions{lRawFormat = True})
+  ]
+
+listParseWith :: [String] -> IO ListOptions
+listParseWith args = do
+  List a <- parseWith args
+  pure a

test/optparse-test/Main.hs

@@ -0,0 +1,33 @@
+module Main where
+
+import Test.Tasty
+import qualified SetTest
+import qualified OtherCommandTest
+import qualified ChangeLogTest
+import qualified ConfigTest
+import qualified InstallTest
+import qualified UnsetTest
+import qualified RmTest
+import qualified ListTest
+import qualified UpgradeTest
+import qualified CompileTest
+import qualified WhereisTest
+import qualified GCTest
+import qualified RunTest
+
+main :: IO ()
+main = defaultMain $ testGroup "ghcup"
+  [ SetTest.setTests
+  , OtherCommandTest.otherCommandTests
+  , ChangeLogTest.changeLogTests
+  , ConfigTest.configTests
+  , InstallTest.installTests
+  , UnsetTest.unsetTests
+  , RmTest.rmTests
+  , ListTest.listTests
+  , UpgradeTest.upgradeTests
+  , CompileTest.compileTests
+  , WhereisTest.whereisTests
+  , GCTest.gcTests
+  , RunTest.runTests
+  ]

test/optparse-test/OtherCommandTest.hs

@@ -0,0 +1,38 @@
+module OtherCommandTest where
+
+import Test.Tasty
+import Test.Tasty.HUnit
+import GHCup.OptParse
+import Utils
+import Control.Monad.IO.Class
+
+otherCommandTests :: TestTree
+otherCommandTests = testGroup "other command"
+  [ testCase "debug-info" $ do
+      res <- parseWith ["debug-info"]
+      liftIO $ assertBool "debug-info parse failed" (isDInfo res)
+  , testCase "tool-requirements" $ do
+      ToolRequirements opt <- parseWith ["tool-requirements"]
+      liftIO $ tlrRaw opt @?= False
+  , testCase "tool-requirements -r" $ do
+      ToolRequirements opt <- parseWith ["tool-requirements", "--raw-format"]
+      liftIO $ tlrRaw opt @?= True
+  , testCase "nuke" $ do
+      res <- parseWith ["nuke"]
+      liftIO $ assertBool "nuke parse failed" (isNuke res)
+  , testCase "test ghc" $ do
+      res <- parseWith ["test", "ghc"]
+      liftIO $ assertBool "test parse failed" (isTest res)
+  ]
+
+isDInfo :: Command -> Bool
+isDInfo DInfo = True
+isDInfo _     = False
+
+isNuke :: Command -> Bool
+isNuke Nuke = True
+isNuke _    = False
+
+isTest :: Command -> Bool
+isTest (Test _) = True
+isTest _        = False

test/optparse-test/RmTest.hs

@@ -0,0 +1,80 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module RmTest where
+
+import Test.Tasty
+import GHCup.OptParse
+import Utils
+import GHCup.Types
+import Data.List.NonEmpty (NonEmpty ((:|)))
+import Data.Versions
+
+
+rmTests :: TestTree
+rmTests =
+  testGroup "rm"
+    $ map (buildTestTree rmParseWith)
+        [ ("old-style", oldStyleCheckList)
+        , ("ghc", rmGhcCheckList)
+        , ("cabal", rmCabalCheckList)
+        , ("hls", rmHlsCheckList)
+        , ("stack", rmStackCheckList)
+        ]
+
+oldStyleCheckList :: [(String, Either RmCommand RmOptions)]
+oldStyleCheckList = mapSecond (Right . RmOptions)
+  [ -- failed with ("rm", xxx)
+    ("rm 9.2.8", mkTVer (mkVersion $ (Digits 9 :| []) :| [Digits 2 :| [], Digits 8 :| []]))
+  , ("rm ghc-9.2.8",  GHCTargetVersion (Just "ghc") (mkVersion $ (Digits 9 :| []) :| [Digits 2 :| [], Digits 8 :| []]))
+  ]
+
+rmGhcCheckList :: [(String, Either RmCommand RmOptions)]
+rmGhcCheckList = mapSecond (Left . RmGHC . RmOptions)
+  [ -- failed with ("rm ghc", xxx)
+    ("rm ghc 9.2.8", mkTVer (mkVersion $ (Digits 9 :| []) :| [Digits 2 :| [], Digits 8 :| []]))
+  , ("rm ghc ghc-9.2.8",  GHCTargetVersion (Just "ghc") (mkVersion $ (Digits 9 :| []) :| [Digits 2 :| [], Digits 8 :| []]))
+  ]
+
+rmCabalCheckList :: [(String, Either RmCommand RmOptions)]
+rmCabalCheckList = mapSecond (Left . RmCabal)
+  [ -- failed with ("rm cabal", xxx)
+    ("rm cabal 3.10", mkVersion $ (Digits 3 :| []) :| [Digits 10 :| []])
+  , ("rm cabal cabal-3.10", Version
+        { _vEpoch = Nothing
+        , _vChunks = (Str "cabal" :| []) :| []
+        , _vRel = [Digits 3 :| [], Digits 10 :| []]
+        , _vMeta = Nothing
+        }
+    )
+  ]
+
+rmHlsCheckList :: [(String, Either RmCommand RmOptions)]
+rmHlsCheckList = mapSecond (Left . RmHLS)
+  [ -- failed with ("rm hls", xxx)
+    ("rm hls 2.0", mkVersion $ (Digits 2 :| []) :| [Digits 0 :| []])
+  , ("rm hls hls-2.0", Version
+        { _vEpoch = Nothing
+        , _vChunks = (Str "hls" :| []) :| []
+        , _vRel = [Digits 2 :| [], Digits 0 :| []]
+        , _vMeta = Nothing
+        }
+    )
+  ]
+
+rmStackCheckList :: [(String, Either RmCommand RmOptions)]
+rmStackCheckList = mapSecond (Left . RmStack)
+  [ -- failed with ("rm stack", xxx)
+    ("rm stack 2.9.1", mkVersion $ (Digits 2 :| []) :| [Digits 9 :| [], Digits 1 :| []])
+  , ("rm stack stack-2.9.1", Version
+        { _vEpoch = Nothing
+        , _vChunks = (Str "stack" :| []) :| []
+        , _vRel = [Digits 2 :| [], Digits 9 :| [], Digits 1 :| []]
+        , _vMeta = Nothing
+        }
+    )
+  ]
+
+rmParseWith :: [String] -> IO (Either RmCommand RmOptions)
+rmParseWith args = do
+  Rm a <- parseWith args
+  pure a

test/optparse-test/RunTest.hs

@@ -0,0 +1,66 @@
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE CPP               #-}
+
+module RunTest where
+
+import Test.Tasty
+import GHCup.OptParse
+import Utils
+import GHCup.Types
+
+
+runTests :: TestTree
+runTests = buildTestTree runParseWith ("run", runCheckList)
+
+defaultOptions :: RunOptions
+defaultOptions =
+  RunOptions
+    False
+    False
+    False
+    Nothing
+    Nothing
+    Nothing
+    Nothing
+    Nothing
+    False
+    []
+
+runCheckList :: [(String, RunOptions)]
+runCheckList =
+  [ ("run", defaultOptions)
+  , ("run -a", defaultOptions{runAppendPATH = True})
+  , ("run --append", defaultOptions{runAppendPATH = True})
+  , ("run -i", defaultOptions{runInstTool' = True})
+  , ("run --install", defaultOptions{runInstTool' = True})
+  , ("run -m", defaultOptions{runMinGWPath = True})
+  , ("run --mingw-path", defaultOptions{runMinGWPath = True})
+  , ("run --ghc 9.2.8", defaultOptions{runGHCVer = Just $ GHCVersion $ mkTVer $ mkVersion' "9.2.8"})
+  , ("run --ghc latest", defaultOptions{runGHCVer = Just $ ToolTag Latest})
+  , ("run --cabal 3.10", defaultOptions{runCabalVer = Just $ ToolVersion $ mkVersion' "3.10"})
+  , ("run --hls 2.0", defaultOptions{runHLSVer = Just $ ToolVersion $ mkVersion' "2.0"})
+  , ("run --stack 2.9", defaultOptions{runStackVer = Just $ ToolVersion $ mkVersion' "2.9"})
+#ifdef IS_WINDOWS
+  , ("run -b C:\\\\tmp\\dir", defaultOptions{runBinDir = Just "C:\\\\tmp\\dir"})
+  , ("run --bindir C:\\\\tmp\\dir", defaultOptions{runBinDir = Just "C:\\\\tmp\\dir"})
+#else
+  , ("run -b /tmp/dir", defaultOptions{runBinDir = Just "/tmp/dir"})
+  , ("run --bindir /tmp/dir", defaultOptions{runBinDir = Just "/tmp/dir"})
+#endif
+  , ("run -q", defaultOptions{runQuick = True})
+  , ("run --quick", defaultOptions{runQuick = True})
+  , ("run --ghc latest --cabal 3.10 --stack 2.9 --hls 2.0 --install",
+        defaultOptions
+          { runGHCVer = Just $ ToolTag Latest
+          , runCabalVer = Just $ ToolVersion $ mkVersion' "3.10"
+          , runHLSVer = Just $ ToolVersion $ mkVersion' "2.0"
+          , runStackVer = Just $ ToolVersion $ mkVersion' "2.9"
+          , runInstTool' = True
+          }
+    )
+  ]
+
+runParseWith :: [String] -> IO RunOptions
+runParseWith args = do
+  Run a <- parseWith args
+  pure a

test/optparse-test/SetTest.hs

@@ -0,0 +1,176 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module SetTest where
+
+import GHCup.OptParse
+import Test.Tasty
+import GHCup.Types
+import Data.Versions
+import Data.List.NonEmpty (NonEmpty ((:|)))
+import Utils
+
+setTests :: TestTree
+setTests =
+  testGroup "set"
+    $ map
+        (buildTestTree setParseWith)
+        [ ("old-style", oldStyleCheckList)
+        , ("ghc", setGhcCheckList)
+        , ("cabal", setCabalCheckList)
+        , ("hls", setHlsCheckList)
+        , ("stack", setStackCheckList)
+        ]
+
+oldStyleCheckList :: [(String, Either SetCommand SetOptions)]
+oldStyleCheckList = mapSecond (Right . SetOptions)
+  [ ("set", SetRecommended)
+  , ("set ghc-9.2", SetGHCVersion
+          $ GHCTargetVersion
+            (Just "ghc")
+            (mkVersion $ (Digits 9 :| []) :| [Digits 2 :| []])
+    )
+  , ("set next", SetNext)
+  , ("set latest", SetToolTag Latest)
+  , ("set nightly", SetGHCVersion
+          $ GHCTargetVersion
+            Nothing
+            (mkVersion $ (Str "nightly" :| []) :| [])
+    )
+    -- different from `set`
+  , ("set recommended", SetToolTag Recommended)
+  , ("set prerelease", SetGHCVersion
+          $ GHCTargetVersion
+            Nothing
+            (mkVersion $ (Str "prerelease" :| []) :| [])
+    )
+  , ("set latest-prerelease", SetToolTag LatestPrerelease)
+  , ("set latest-nightly", SetToolTag LatestNightly)
+  , ("set ghc-javascript-unknown-ghcjs-9.6", SetGHCVersion
+          $ GHCTargetVersion
+            (Just "ghc-javascript-unknown-ghcjs")
+            (mkVersion $ (Digits 9 :| []) :| [Digits 6 :| []])
+    )
+  , ("set base-4.18", SetToolTag (Base (PVP {_pComponents = 4 :| [18]})))
+  , ("set cabal-3.10", SetGHCVersion
+          $ GHCTargetVersion
+            (Just "cabal")
+            (mkVersion $ (Digits 3 :| []) :| [Digits 10 :| []])
+    )
+  , ("set hls-2.0.0.0", SetGHCVersion
+        $ GHCTargetVersion
+            (Just "hls")
+            (mkVersion $ (Digits 2 :| []) :| [Digits 0 :| [], Digits 0 :| [], Digits 0 :| []])
+    )
+  , ("set stack-2.9.3", SetGHCVersion
+        $ GHCTargetVersion
+            (Just "stack")
+            (mkVersion $ (Digits 2 :| []) :| [Digits 9 :| [], Digits 3 :| []])
+    )
+  ]
+
+setGhcCheckList :: [(String, Either SetCommand SetOptions)]
+setGhcCheckList = mapSecond (Left . SetGHC . SetOptions)
+  [ ("set ghc", SetRecommended)
+  , ("set ghc 9.2", SetGHCVersion
+        $ GHCTargetVersion
+          Nothing
+          (mkVersion $ (Digits 9 :| []) :| [Digits 2 :| []])
+    )
+  , ("set ghc next", SetNext)
+  , ("set ghc latest", SetToolTag Latest)
+  , ("set ghc nightly", SetGHCVersion
+        $ GHCTargetVersion
+          Nothing
+          (mkVersion $ (Str "nightly" :| []) :| [])
+    )
+  , ("set ghc recommended", SetToolTag Recommended)
+  , ("set ghc prerelease", SetGHCVersion
+        $ GHCTargetVersion
+          Nothing
+          (mkVersion $ (Str "prerelease" :| []) :| [])
+    )
+  , ("set ghc latest-prerelease", SetToolTag LatestPrerelease)
+  , ("set ghc latest-nightly", SetToolTag LatestNightly)
+  , ("set ghc javascript-unknown-ghcjs-9.6", SetGHCVersion
+        $ GHCTargetVersion
+          (Just "javascript-unknown-ghcjs")
+          (mkVersion $ (Digits 9 :| []) :| [Digits 6 :| []])
+    )
+  , ("set ghc base-4.18", SetToolTag (Base (PVP {_pComponents = 4 :| [18]})))
+  , ("set ghc ghc-9.2", SetGHCVersion
+        $ GHCTargetVersion
+          (Just "ghc")
+          (mkVersion $ (Digits 9 :| []) :| [Digits 2 :| []])
+    )
+  ]
+
+setCabalCheckList :: [(String, Either SetCommand SetOptions)]
+setCabalCheckList = mapSecond (Left . SetCabal . SetOptions)
+  [ ("set cabal", SetRecommended)
+  , ("set cabal 3.10", SetToolVersion $ mkVersion $ (Digits 3 :| []) :| [Digits 10 :| []])
+  , ("set cabal next", SetNext)
+  , ("set cabal latest", SetToolTag Latest)
+  , ("set cabal nightly", SetToolVersion $ mkVersion $ (Str "nightly" :| []) :| [])
+  , ("set cabal recommended", SetToolTag Recommended)
+  , ("set cabal prerelease", SetToolVersion $ mkVersion $ (Str "prerelease" :| []) :| [])
+  , ("set cabal latest-prerelease", SetToolTag LatestPrerelease)
+  , ("set cabal latest-nightly", SetToolTag LatestNightly)
+  , ("set cabal base-4.18", SetToolTag (Base (PVP {_pComponents = 4 :| [18]})))
+  , ("set cabal cabal-3.10", SetToolVersion
+      $ Version
+        { _vEpoch = Nothing
+        , _vChunks = (Str "cabal" :| []) :| []
+        , _vRel = [Digits 3 :| [], Digits 10 :| []]
+        , _vMeta = Nothing
+        }
+    )
+  ]
+
+setHlsCheckList :: [(String, Either SetCommand SetOptions)]
+setHlsCheckList = mapSecond (Left . SetHLS . SetOptions)
+  [ ("set hls", SetRecommended)
+  , ("set hls 2.0", SetToolVersion $ mkVersion $ (Digits 2 :| []) :| [Digits 0 :| []])
+  , ("set hls next", SetNext)
+  , ("set hls latest", SetToolTag Latest)
+  , ("set hls nightly", SetToolVersion $ mkVersion $ (Str "nightly" :| []) :| [])
+  , ("set hls recommended", SetToolTag Recommended)
+  , ("set hls prerelease", SetToolVersion $ mkVersion $ (Str "prerelease" :| []) :| [])
+  , ("set hls latest-prerelease", SetToolTag LatestPrerelease)
+  , ("set hls latest-nightly", SetToolTag LatestNightly)
+  , ("set hls base-4.18", SetToolTag (Base (PVP {_pComponents = 4 :| [18]})))
+  , ("set hls hls-2.0", SetToolVersion
+      $ Version
+        { _vEpoch = Nothing
+        , _vChunks = (Str "hls" :| []) :| []
+        , _vRel = [Digits 2 :| [], Digits 0 :| []]
+        , _vMeta = Nothing
+        }
+    )
+  ]
+
+setStackCheckList :: [(String, Either SetCommand SetOptions)]
+setStackCheckList = mapSecond (Left . SetStack . SetOptions)
+  [ ("set stack", SetRecommended)
+  , ("set stack 2.9", SetToolVersion $ mkVersion $ (Digits 2 :| []) :| [Digits 9 :| []])
+  , ("set stack next", SetNext)
+  , ("set stack latest", SetToolTag Latest)
+  , ("set stack nightly", SetToolVersion $ mkVersion $ (Str "nightly" :| []) :| [])
+  , ("set stack recommended", SetToolTag Recommended)
+  , ("set stack prerelease", SetToolVersion $ mkVersion $ (Str "prerelease" :| []) :| [])
+  , ("set stack latest-prerelease", SetToolTag LatestPrerelease)
+  , ("set stack latest-nightly", SetToolTag LatestNightly)
+  , ("set stack base-4.18", SetToolTag (Base (PVP {_pComponents = 4 :| [18]})))
+  , ("set stack stack-2.9", SetToolVersion
+      $ Version
+        { _vEpoch = Nothing
+        , _vChunks = (Str "stack" :| []) :| []
+        , _vRel = [Digits 2 :| [], Digits 9 :| []]
+        , _vMeta = Nothing
+        }
+    )
+  ]
+
+setParseWith :: [String] -> IO (Either SetCommand SetOptions)
+setParseWith args = do
+  Set a <- parseWith args
+  pure a

test/optparse-test/UnsetTest.hs

@@ -0,0 +1,50 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module UnsetTest where
+
+import Test.Tasty
+import GHCup.OptParse
+import Utils
+
+
+unsetTests :: TestTree
+unsetTests =
+  testGroup "unset"
+    $ map (buildTestTree unsetParseWith)
+        [ ("ghc", unsetGhcCheckList)
+        , ("cabal", unsetCabalCheckList)
+        , ("hls", unsetHlsCheckList)
+        , ("stack", unsetStackCheckList)
+        ]
+
+unsetGhcCheckList :: [(String, UnsetCommand)]
+unsetGhcCheckList = mapSecond (UnsetGHC . UnsetOptions)
+  [ ("unset ghc", Nothing)
+  , ("unset ghc armv7-unknown-linux-gnueabihf", Just "armv7-unknown-linux-gnueabihf")
+  ]
+
+unsetCabalCheckList :: [(String, UnsetCommand)]
+unsetCabalCheckList = mapSecond (UnsetCabal . UnsetOptions)
+  [ ("unset cabal", Nothing)
+    -- This never used
+  , ("unset cabal armv7-unknown-linux-gnueabihf", Just "armv7-unknown-linux-gnueabihf")
+  ]
+
+unsetHlsCheckList :: [(String, UnsetCommand)]
+unsetHlsCheckList = mapSecond (UnsetHLS . UnsetOptions)
+  [ ("unset hls", Nothing)
+    -- This never used
+  , ("unset hls armv7-unknown-linux-gnueabihf", Just "armv7-unknown-linux-gnueabihf")
+  ]
+
+unsetStackCheckList :: [(String, UnsetCommand)]
+unsetStackCheckList = mapSecond (UnsetStack . UnsetOptions)
+  [ ("unset stack", Nothing)
+    -- This never used
+  , ("unset stack armv7-unknown-linux-gnueabihf", Just "armv7-unknown-linux-gnueabihf")
+  ]
+
+unsetParseWith :: [String] -> IO UnsetCommand
+unsetParseWith args = do
+  UnSet a <- parseWith args
+  pure a

test/optparse-test/UpgradeTest.hs

@@ -0,0 +1,38 @@
+{-# LANGUAGE TupleSections #-}
+
+module UpgradeTest where
+
+import Test.Tasty
+import GHCup.OptParse
+import Utils
+
+
+upgradeTests :: TestTree
+upgradeTests = buildTestTree upgradeParseWith ("upgrade", upgradeCheckList)
+
+type FullUpgradeOpts =
+  ( UpgradeOpts
+  , Bool -- ^Force update
+  , Bool -- ^Fails after upgrading if the upgraded ghcup binary is shadowed by something else in PATH (useful for CI)
+  )
+
+mkDefaultOptions :: UpgradeOpts -> FullUpgradeOpts
+mkDefaultOptions = (, False, False)
+
+upgradeCheckList :: [(String, FullUpgradeOpts)]
+upgradeCheckList =
+  [ ("upgrade", mkDefaultOptions UpgradeGHCupDir)
+  , ("upgrade -f", (UpgradeGHCupDir, True, False))
+  , ("upgrade --force", (UpgradeGHCupDir, True, False))
+  , ("upgrade --fail-if-shadowed", (UpgradeGHCupDir, False, True))
+  , ("upgrade -i", mkDefaultOptions UpgradeInplace)
+  , ("upgrade --inplace", mkDefaultOptions UpgradeInplace)
+  , ("upgrade -t ~", mkDefaultOptions $ UpgradeAt "~")
+  , ("upgrade --target ~", mkDefaultOptions $ UpgradeAt "~")
+  , ("upgrade -t ~ -f", (UpgradeAt "~", True, False))
+  ]
+
+upgradeParseWith :: [String] -> IO FullUpgradeOpts
+upgradeParseWith args = do
+  Upgrade a b c <- parseWith args
+  pure (a, b, c)

test/optparse-test/Utils.hs

@@ -0,0 +1,45 @@
+{-# OPTIONS_GHC -Wno-incomplete-uni-patterns #-}
+module Utils where
+
+import GHCup.OptParse as GHCup
+import Options.Applicative
+import Data.Bifunctor
+import Data.Versions
+import Data.List.NonEmpty (NonEmpty)
+import Test.Tasty
+import Test.Tasty.HUnit
+import Control.Monad.IO.Class
+import qualified Data.Text as T
+
+parseWith :: [String] -> IO Command
+parseWith args =
+  optCommand <$> handleParseResult
+    (execParserPure defaultPrefs (info GHCup.opts fullDesc) args)
+
+padLeft :: Int -> String -> String
+padLeft desiredLength s = padding ++ s
+  where padding = replicate (desiredLength - length s) ' '
+
+mapSecond :: (b -> c) -> [(a,b)] -> [(a,c)]
+mapSecond = map . second
+
+mkVersion :: NonEmpty VChunk -> Version
+mkVersion chunks = Version Nothing chunks [] Nothing
+
+mkVersion' :: T.Text -> Version
+mkVersion' txt =
+  let Right ver = version txt
+  in ver
+
+buildTestTree
+  :: (Eq a, Show a)
+  => ([String] -> IO a) -- ^ The parse function
+  -> (String, [(String, a)]) -- ^ The check list @(test group, [(cli command, expected value)])@
+  -> TestTree
+buildTestTree parse (title, checkList) =
+  testGroup title
+    $ zipWith (uncurry . check) [1 :: Int ..] checkList
+  where
+    check idx args expected = testCase (padLeft 2 (show idx) ++ "." ++ args) $ do
+      res <- parse (words args)
+      liftIO $ res @?= expected

test/optparse-test/WhereisTest.hs

@@ -0,0 +1,40 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module WhereisTest where
+
+import Test.Tasty
+import GHCup.OptParse
+import Utils
+import GHCup.Types
+
+whereisTests :: TestTree
+whereisTests = buildTestTree whereisParseWith ("whereis", whereisCheckList)
+
+whereisCheckList :: [(String, (WhereisOptions, WhereisCommand))]
+whereisCheckList = concatMap mk
+  [ ("whereis ghc", WhereisTool GHC Nothing)
+  , ("whereis ghc 9.2.8", WhereisTool GHC (Just $ GHCVersion $ mkTVer $ mkVersion' "9.2.8"))
+  , ("whereis ghc ghc-9.2.8", WhereisTool GHC (Just $ GHCVersion $ GHCTargetVersion (Just "ghc") (mkVersion' "9.2.8")))
+  , ("whereis ghc latest", WhereisTool GHC (Just $ ToolTag Latest))
+  , ("whereis cabal", WhereisTool Cabal Nothing)
+  , ("whereis hls", WhereisTool HLS Nothing)
+  , ("whereis stack", WhereisTool Stack Nothing)
+  , ("whereis ghcup", WhereisTool GHCup Nothing)
+  , ("whereis basedir", WhereisBaseDir)
+  , ("whereis bindir", WhereisBinDir)
+  , ("whereis cachedir", WhereisCacheDir)
+  , ("whereis logsdir", WhereisLogsDir)
+  , ("whereis confdir", WhereisConfDir)
+  ]
+  where
+    mk :: (String, WhereisCommand) -> [(String, (WhereisOptions, WhereisCommand))]
+    mk (cmd, res) =
+      [ (cmd, (WhereisOptions False, res))
+      , (cmd <> " -d", (WhereisOptions True, res))
+      , (cmd <> " --directory", (WhereisOptions True, res))
+      ]
+
+whereisParseWith :: [String] -> IO (WhereisOptions, WhereisCommand)
+whereisParseWith args = do
+  Whereis a b <- parseWith args
+  pure (a, b)