Allow to control the metadata cache, fixes #278

.github/workflows/release.yaml

@@ -44,8 +44,8 @@ jobs:
 
       - uses: haskell/actions/setup@v1.2
         with:
-          ghc-version: 8.10.4
+          ghc-version: 8.10.7
-          cabal-version: 3.4.0.0
+          cabal-version: 3.6.2.0
 
       - name: create ~/.local/bin
         run: mkdir -p "$HOME/.local/bin"

.gitlab-ci.yml

@@ -11,6 +11,10 @@ variables:
   # Commit of ghc/ci-images repository from which to pull Docker images
   DOCKER_REV: 8d0224e6b2a08157649651e69302380b2bd24e11
 
+  # Sequential version number of all cached things.
+  # Bump to invalidate GitLab CI cache.
+  CACHE_REV: 0
+
 ############################################################
 # CI Step
 ############################################################
@@ -164,26 +168,40 @@ variables:
     - .test_ghcup_version
     - .darwin:aarch64
     - .root_cleanup
+  cache:
+    key: darwin-brew-$CACHE_REV
+    paths:
+      - .brew
+      - .brew_cache
+  before_script:
+    # Install brew locally in the project dir. Packages will also be installed here.
+    - '[ -e "$CI_PROJECT_DIR/.brew" ] || git clone --depth=1 https://github.com/Homebrew/brew $CI_PROJECT_DIR/.brew'
+    - export PATH="$CI_PROJECT_DIR/.brew/bin:$CI_PROJECT_DIR/.brew/sbin:$PATH"
+
+    # otherwise we seem to get intel binaries
+    - export HOMEBREW_CHANGE_ARCH_TO_ARM=1
+
+    # make sure to not pollute the machine with temp files etc
+    - mkdir -p $CI_PROJECT_DIR/.brew_cache
+    - export HOMEBREW_CACHE=$CI_PROJECT_DIR/.brew_cache
+    - mkdir -p $CI_PROJECT_DIR/.brew_logs
+    - export HOMEBREW_LOGS=$CI_PROJECT_DIR/.brew_logs
+    - mkdir -p $CI_PROJECT_DIR/.brew_tmp
+    - export HOMEBREW_TEMP=$CI_PROJECT_DIR/.brew_tmp
+
+    # update and install packages
+    - brew update
+    - brew install llvm
+    - brew install autoconf automake coreutils
   script: |
-    set -Eeuo pipefail
+    export PATH="$CI_PROJECT_DIR/.brew/opt/llvm/bin:$CI_PROJECT_DIR/.brew/bin:$CI_PROJECT_DIR/.brew/sbin:$PATH"
-    function runInNixShell() {
+    export CC=$CI_PROJECT_DIR/.brew/opt/llvm/bin/clang
-      time nix-shell $CI_PROJECT_DIR/.gitlab/shell.nix \
+    export CXX=$CI_PROJECT_DIR/.brew/opt/llvm/bin/clang++
-        -I nixpkgs=https://github.com/angerman/nixpkgs/archive/75f7281738b.tar.gz \
+    export LD=ld
-        --argstr system "aarch64-darwin" \
+    export AR=$CI_PROJECT_DIR/.brew/opt/llvm/bin/llvm-ar
-        --pure \
+    export RANLIB=$CI_PROJECT_DIR/.brew/opt/llvm/bin/llvm-ranlib
-        --keep CI_PROJECT_DIR \
+    ./.gitlab/before_script/darwin/install_deps.sh
-        --keep MACOSX_DEPLOYMENT_TARGET \
+    ./.gitlab/script/ghcup_version.sh
-        --keep JSON_VERSION \
-        --keep ARTIFACT \
-        --keep OS \
-        --keep ARCH \
-        --keep CABAL_DIR \
-        --keep GHC_VERSION \
-        --keep CABAL_VERSION \
-        --run "$1" 2>&1
-    }
-    runInNixShell ./.gitlab/before_script/darwin/install_deps.sh 2>&1
-    runInNixShell ./.gitlab/script/ghcup_version.sh 2>&1
 
 .test_ghcup_version:freebsd12:
   extends:
@@ -388,6 +406,7 @@ test:mac:aarch64:
     CABAL_VERSION: "3.6.2.0"
   needs: []
   allow_failure: true
+  when: manual
 
 
 ######## freebsd test ########
@@ -508,32 +527,47 @@ release:darwin:aarch64:
     - .darwin:aarch64
     - .release_ghcup
     - .root_cleanup
+  cache:
+    key: darwin-brew-$CACHE_REV
+    paths:
+      - .brew
+      - .brew_cache
+  before_script:
+    # Install brew locally in the project dir. Packages will also be installed here.
+    - '[ -e "$CI_PROJECT_DIR/.brew" ] || git clone --depth=1 https://github.com/Homebrew/brew $CI_PROJECT_DIR/.brew'
+    - export PATH="$CI_PROJECT_DIR/.brew/bin:$CI_PROJECT_DIR/.brew/sbin:$PATH"
+
+    # otherwise we seem to get intel binaries
+    - export HOMEBREW_CHANGE_ARCH_TO_ARM=1
+
+    # make sure to not pollute the machine with temp files etc
+    - mkdir -p $CI_PROJECT_DIR/.brew_cache
+    - export HOMEBREW_CACHE=$CI_PROJECT_DIR/.brew_cache
+    - mkdir -p $CI_PROJECT_DIR/.brew_logs
+    - export HOMEBREW_LOGS=$CI_PROJECT_DIR/.brew_logs
+    - mkdir -p $CI_PROJECT_DIR/.brew_tmp
+    - export HOMEBREW_TEMP=$CI_PROJECT_DIR/.brew_tmp
+
+    # update and install packages
+    - brew update
+    - brew install llvm
+    - brew install autoconf automake
   script: |
-    set -Eeuo pipefail
+    export PATH="$CI_PROJECT_DIR/.brew/opt/llvm/bin:$CI_PROJECT_DIR/.brew/bin:$CI_PROJECT_DIR/.brew/sbin:$PATH"
-    function runInNixShell() {
+    export CC=$CI_PROJECT_DIR/.brew/opt/llvm/bin/clang
-      time nix-shell $CI_PROJECT_DIR/.gitlab/shell.nix \
+    export CXX=$CI_PROJECT_DIR/.brew/opt/llvm/bin/clang++
-        -I nixpkgs=https://github.com/angerman/nixpkgs/archive/75f7281738b.tar.gz \
+    export LD=ld
-        --argstr system "aarch64-darwin" \
+    export AR=$CI_PROJECT_DIR/.brew/opt/llvm/bin/llvm-ar
-        --pure \
+    export RANLIB=$CI_PROJECT_DIR/.brew/opt/llvm/bin/llvm-ranlib
-        --keep CI_PROJECT_DIR \
+    ./.gitlab/before_script/darwin/install_deps.sh
-        --keep MACOSX_DEPLOYMENT_TARGET \
+    ./.gitlab/script/ghcup_release.sh
-        --keep JSON_VERSION \
-        --keep ARTIFACT \
-        --keep OS \
-        --keep ARCH \
-        --keep CABAL_DIR \
-        --keep GHC_VERSION \
-        --keep CABAL_VERSION \
-        --run "$1" 2>&1
-    }
-    runInNixShell ./.gitlab/before_script/darwin/install_deps.sh 2>&1
-    runInNixShell ./.gitlab/script/ghcup_release.sh 2>&1
   variables:
     ARTIFACT: "aarch64-apple-darwin-ghcup"
     GHC_VERSION: "8.10.7"
     CABAL_VERSION: "3.6.2.0"
     MACOSX_DEPLOYMENT_TARGET: "10.7"
   allow_failure: true
+  when: manual
 
 
 ######## freebsd release ########

.gitlab/ghcup_env

@@ -6,6 +6,6 @@ if [ "${OS}" = "WINDOWS" ] ; then
 else
 	export GHCUP_INSTALL_BASE_PREFIX="$CI_PROJECT_DIR"
 	export GHCUP_BIN="$CI_PROJECT_DIR/.ghcup/bin"
-	export PATH="$GHCUP_BIN:$CI_PROJECT_DIR/.local/bin:/opt/llvm/bin:$PATH"
+	export PATH="$GHCUP_BIN:$CI_PROJECT_DIR/.local/bin:$PATH"
 	export TMPDIR="$CI_PROJECT_DIR/tmp"
 fi

.gitlab/script/ghcup_cross.sh

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

.gitlab/script/ghcup_git.sh

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

.gitlab/script/ghcup_hls.sh

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

.gitlab/script/ghcup_version.sh

@@ -5,6 +5,8 @@ set -eux
 . "$( cd "$(dirname "$0")" ; pwd -P )/../ghcup_env"
 
 mkdir -p "$CI_PROJECT_DIR"/.local/bin
+mkdir -p data/
+git clone https://github.com/haskell/ghcup-metadata.git data/metadata
 
 CI_PROJECT_DIR=$(pwd)
 
@@ -83,7 +85,6 @@ else
 	ext=''
 fi
 	cp "$(ecabal new-exec -w ghc-${GHC_VERSION} --verbose=0 --offline sh -- -c 'command -v ghcup')" "$CI_PROJECT_DIR"/.local/bin/ghcup${ext}
-	cp "$(ecabal new-exec -w ghc-${GHC_VERSION} --verbose=0 --offline sh -- -c 'command -v ghcup-gen')" "$CI_PROJECT_DIR"/.local/bin/ghcup-gen${ext}
 
 ### cleanup
 
@@ -92,8 +93,6 @@ rm -rf "${GHCUP_DIR}"
 ### manual cli based testing
 
 
-ghcup-gen check -f data/metadata/ghcup-${JSON_VERSION}.yaml
-
 eghcup --numeric-version
 
 eghcup install ghc ${GHC_VERSION}

.gitlab/shell.nix

@@ -1,90 +0,0 @@
-{ system ? "aarch64-darwin"
-#, nixpkgs ? fetchTarball https://github.com/angerman/nixpkgs/archive/257cb120334.tar.gz #apple-silicon.tar.gz
-, pkgs ? import <nixpkgs> { inherit system; }
-, compiler ? if system == "aarch64-darwin" then "ghc8103Binary" else "ghc8103"
-}: pkgs.mkShell {
-  # this prevents nix from trying to write the env-vars file.
-  # we can't really, as NIX_BUILD_TOP/env-vars is not set.
-  noDumpEnvVars=1;
-
-  # stop polluting LDFLAGS with -liconv
-  dontAddExtraLibs = true;
-
-  # we need to inject ncurses into --with-curses-libraries.
-  # the real fix is to teach terminfo to use libcurses on macOS.
-  # CONFIGURE_ARGS = "--with-intree-gmp --with-curses-libraries=${pkgs.ncurses.out}/lib";
-  CONFIGURE_ARGS = "--with-intree-gmp --with-curses-libraries=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib --with-iconv-includes=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include --with-iconv-libraries=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib SH=/bin/bash";
-
-  # magic speedup pony :facepalm:
-  #
-  # nix has the ugly habbit of duplicating ld flags more than necessary.  This
-  # somewhat consolidates this.
-  shellHook = ''
-  export NIX_LDFLAGS=$(for a in $NIX_LDFLAGS; do echo $a; done |sort|uniq|xargs)
-  export NIX_LDFLAGS_FOR_TARGET=$(for a in $NIX_LDFLAGS_FOR_TARGET; do echo $a; done |sort|uniq|xargs)
-  export NIX_LDFLAGS_FOR_TARGET=$(comm -3 <(for l in $NIX_LDFLAGS_FOR_TARGET; do echo $l; done) <(for l in $NIX_LDFLAGS; do echo $l; done))
-
-
-  # Impurity hack for GHC releases.
-  #################################
-  # We don't want binary releases to depend on nix, thus we'll need to make sure we don't leak in references.
-  # GHC externally depends only on iconv and curses.  However we can't force a specific curses library for
-  # the terminfo package, as such we'll need to make sure we only look in the system path for the curses library
-  # and not pick up the tinfo from the nix provided ncurses package.
-  #
-  # We also need to force us to use the systems COREFOUNDATION, not the one that nix builds. Again this is impure,
-  # but it will allow us to have proper binary distributions.
-  #
-  # do not use nixpkgs provided core foundation
-  export NIX_COREFOUNDATION_RPATH=/System/Library/Frameworks
-  # drop curses from the LDFLAGS, we really want the system ones, not the nix ones.
-  export NIX_LDFLAGS=$(for lib in $NIX_LDFLAGS; do case "$lib" in *curses*);; *) echo -n "$lib ";; esac; done;)
-  export NIX_CFLAGS_COMPILE+=" -Wno-nullability-completeness -Wno-availability -Wno-expansion-to-defined -Wno-builtin-requires-header -Wno-unused-command-line-argument"
-
-  # unconditionally add the MacOSX.sdk and TargetConditional.h
-  export NIX_CFLAGS_COMPILE+=" -isystem /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include"
-  export NIX_LDFLAGS="-L/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib $NIX_LDFLAGS"
-
-  '';
-
-  nativeBuildInputs = (with pkgs; [
-    # This needs to come *before* ghc,
-    # otherwise we migth end up with the clang from
-    # the bootstrap GHC in PATH with higher priority.
-    clang_11
-    llvm_11
-
-    haskell.compiler.${compiler}
-    haskell.packages.${compiler}.cabal-install
-    haskell.packages.${compiler}.alex
-    haskell.packages.${compiler}.happy # _1_19_12 is needed for older GHCs.
-
-    automake
-    autoconf
-    m4
-
-    gmp
-    zlib.out
-    zlib.dev
-    glibcLocales
-    # locale doesn't build yet :-/
-    # locale
-
-    git
-
-    python3
-    # python3Full
-    # python3Packages.sphinx
-    perl
-
-    which
-    wget
-	curl
-    file
-
-    xz
-    xlibs.lndir
-
-    cacert ])
-  ++ (with pkgs.darwin.apple_sdk.frameworks; [ Foundation Security ]);
-}

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Revision history for ghcup
 
+## 0.1.17.3 -- 2021-10-27
+
+* clean up during unpack failures as well
+* migrate te aeson-2.0.1.0
+* switch to yaml-streamly to fix performance regression wrt [#270](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/270)
+* use [github.com/haskell/ghcup-metadata](https://github.com/haskell/ghcup-metadata) for metadata file download (better caching)
+
 ## 0.1.17.2 -- 2021-09-30
 
 * Honour GHC bootstrap compiler during git clone stages wrt [#250](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/250)

README.md

@@ -9,3 +9,5 @@
 GHCup is an installer for the general purpose language [Haskell](https://www.haskell.org/).
 
 Visit the [documentation](https://www.haskell.org/ghcup/) for installation instructions.
+
+If you're looking for the metadata YAML files, see here: [https://github.com/haskell/ghcup-metadata](https://github.com/haskell/ghcup-metadata)

app/ghcup-gen/Main.hs

@@ -1,154 +0,0 @@
-{-# LANGUAGE CPP               #-}
-{-# LANGUAGE DataKinds         #-}
-{-# LANGUAGE DuplicateRecordFields #-}
-{-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE TypeApplications  #-}
-
-
-module Main where
-
-import           GHCup.Types
-import           GHCup.Errors
-import           GHCup.Platform
-import           GHCup.Utils.Dirs
-import           GHCup.Utils.Logger
-import           GHCup.Types.JSON               ( )
-
-import           Control.Monad.Trans.Reader     ( runReaderT )
-import           Control.Monad.IO.Class
-import           Data.Char                      ( toLower )
-import           Data.Maybe
-#if !MIN_VERSION_base(4,13,0)
-import           Data.Semigroup                 ( (<>) )
-#endif
-import           Options.Applicative     hiding ( style )
-import           Haskus.Utils.Variant.Excepts
-import           System.Console.Pretty
-import           System.Environment
-import           System.Exit
-import           System.IO                      ( stderr )
-import           Text.Regex.Posix
-import           Validate
-import           Text.PrettyPrint.HughesPJClass ( prettyShow )
-
-import qualified Data.Text.IO                  as T
-import qualified Data.Text                     as T
-import qualified Data.ByteString               as B
-import qualified Data.YAML.Aeson               as Y
-
-
-data Options = Options
-  { optCommand :: Command
-  }
-
-data Command = ValidateYAML ValidateYAMLOpts
-             | ValidateTarballs ValidateYAMLOpts TarballFilter
-
-
-data Input
-  = FileInput FilePath -- optsparse-applicative doesn't handle ByteString correctly anyway
-  | StdInput
-
-fileInput :: Parser Input
-fileInput =
-  FileInput
-    <$> strOption
-          (long "file" <> short 'f' <> metavar "FILENAME" <> help
-            "Input file to validate"
-          )
-
-stdInput :: Parser Input
-stdInput = flag'
-  StdInput
-  (short 'i' <> long "stdin" <> help "Validate from stdin (default)")
-
-inputP :: Parser Input
-inputP = fileInput <|> stdInput
-
-data ValidateYAMLOpts = ValidateYAMLOpts
-  { vInput :: Maybe Input
-  }
-
-validateYAMLOpts :: Parser ValidateYAMLOpts
-validateYAMLOpts = ValidateYAMLOpts <$> 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 (Right 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 ] ->
-          pure (TarballFilter $ Right $ Just tool) <*> makeRegexOptsM compIgnoreCase execBlank (drop 1 v)
-        (t, v) | [tool] <- [ tool | tool <- [minBound..maxBound], low (show tool) == low t ] ->
-          pure (TarballFilter $ Left tool) <*> makeRegexOptsM compIgnoreCase execBlank (drop 1 v)
-        _ -> fail "invalid tool"
-    low = fmap toLower
-
-
-opts :: Parser Options
-opts = Options <$> com
-
-com :: Parser Command
-com = subparser
-  (  command
-       "check"
-       (   ValidateYAML
-       <$> info (validateYAMLOpts <**> helper)
-                (progDesc "Validate the YAML")
-       )
-  <> command
-       "check-tarballs"
-       (info
-         ((ValidateTarballs <$> validateYAMLOpts <*> tarballFilterP) <**> helper)
-         (progDesc "Validate all tarballs (download and checksum)")
-       )
-  )
-
-
-
-main :: IO ()
-main = do
-  no_color <- isJust <$> lookupEnv "NO_COLOR"
-  let loggerConfig = LoggerConfig { lcPrintDebug  = True
-                                  , consoleOutter = T.hPutStr stderr
-                                  , fileOutter    = \_ -> pure ()
-                                  , fancyColors   = not no_color
-                                  }
-  dirs <- liftIO getAllDirs
-  let leanAppstate = LeanAppState (Settings True False Never Curl True GHCupURL False GPGNone False) dirs defaultKeyBindings loggerConfig
-
-  pfreq <- (
-    flip runReaderT leanAppstate . runE @'[NoCompatiblePlatform, NoCompatibleArch, DistroNotFound] $ platformRequest
-    ) >>= \case
-            VRight r -> pure r
-            VLeft e -> do
-              flip runReaderT leanAppstate $ logError $ T.pack $ prettyShow e
-              liftIO $ exitWith (ExitFailure 2)
-
-  let appstate = AppState (Settings True False Never Curl True GHCupURL False GPGNone False) dirs defaultKeyBindings (GHCupInfo mempty mempty mempty) pfreq loggerConfig
-
-  _ <- customExecParser (prefs showHelpOnError) (info (opts <**> helper) idm)
-    >>= \Options {..} -> case optCommand of
-          ValidateYAML vopts -> withValidateYamlOpts vopts (\dl m -> flip runReaderT appstate $ validate dl m)
-          ValidateTarballs vopts tarballFilter -> withValidateYamlOpts vopts (\dl m -> flip runReaderT appstate $ validateTarballs tarballFilter dl m)
-  pure ()
-
- where
-  withValidateYamlOpts vopts f = case vopts of
-    ValidateYAMLOpts { vInput = Nothing } ->
-      B.getContents >>= valAndExit f
-    ValidateYAMLOpts { vInput = Just StdInput } ->
-      B.getContents >>= valAndExit f
-    ValidateYAMLOpts { vInput = Just (FileInput file) } ->
-      B.readFile file >>= valAndExit f
-  valAndExit f contents = do
-    (GHCupInfo _ av gt) <- case Y.decode1Strict contents of
-      Right r -> pure r
-      Left  (_, e) -> die (color Red $ show e)
-    f av gt
-      >>= exitWith

app/ghcup-gen/Validate.hs

@@ -1,280 +0,0 @@
-{-# LANGUAGE CPP              #-}
-{-# LANGUAGE DataKinds        #-}
-{-# LANGUAGE FlexibleContexts #-}
-{-# LANGUAGE QuasiQuotes      #-}
-{-# LANGUAGE TemplateHaskell  #-}
-{-# LANGUAGE TypeApplications #-}
-{-# LANGUAGE ViewPatterns     #-}
-{-# LANGUAGE OverloadedStrings #-}
-
-module Validate where
-
-import           GHCup
-import           GHCup.Download
-import           GHCup.Errors
-import           GHCup.Types
-import           GHCup.Types.Optics
-import           GHCup.Utils
-import           GHCup.Utils.Logger
-import           GHCup.Utils.Version.QQ
-
-import           Codec.Archive
-import           Control.Applicative
-import           Control.Exception.Safe
-import           Control.Monad
-import           Control.Monad.IO.Class
-import           Control.Monad.Reader.Class
-import           Control.Monad.Trans.Class      ( lift )
-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.Versions
-import           Haskus.Utils.Variant.Excepts
-import           Optics
-import           System.FilePath
-import           System.Exit
-import           Text.ParserCombinators.ReadP
-import           Text.PrettyPrint.HughesPJClass ( prettyShow )
-import           Text.Regex.Posix
-
-import qualified Data.Map.Strict               as M
-import qualified Data.Text                     as T
-import qualified Data.Version                  as V
-
-
-data ValidationError = InternalError String
-  deriving Show
-
-instance Exception ValidationError
-
-
-addError :: (MonadReader (IORef Int) m, MonadIO m, Monad m) => m ()
-addError = do
-  ref <- ask
-  liftIO $ modifyIORef ref (+ 1)
-
-
-validate :: (Monad m, MonadReader env m, HasLog env, MonadThrow m, MonadIO m, MonadUnliftIO m)
-         => GHCupDownloads
-         -> M.Map GlobalTool DownloadInfo
-         -> m ExitCode
-validate dls _ = do
-  ref <- liftIO $ newIORef 0
-
-  -- verify binary downloads --
-  flip runReaderT ref $ do
-    -- unique tags
-    forM_ (M.toList dls) $ \(t, _) -> checkUniqueTags t
-
-    -- required platforms
-    forM_ (M.toList dls) $ \(t, versions) ->
-      forM_ (M.toList versions) $ \(v, vi) ->
-        forM_ (M.toList $ _viArch vi) $ \(arch, pspecs) -> do
-          checkHasRequiredPlatforms t v (_viTags vi) arch (M.keys pspecs)
-
-    checkGHCVerIsValid
-    forM_ (M.toList dls) $ \(t, _) -> checkMandatoryTags t
-    _ <- checkGHCHasBaseVersion
-
-    -- exit
-    e <- liftIO $ readIORef ref
-    if e > 0
-      then pure $ ExitFailure e
-      else do
-        lift $ logInfo "All good"
-        pure ExitSuccess
- where
-  checkHasRequiredPlatforms t v tags arch pspecs = do
-    let v' = prettyVer v
-        arch' = prettyShow arch
-    when (Linux UnknownLinux `notElem` pspecs) $ do
-      lift $ logError $
-        "Linux UnknownLinux missing for for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack arch'
-      addError
-    when ((Darwin `notElem` pspecs) && arch == A_64) $ do
-      lift $ logError $ "Darwin missing for for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack arch'
-      addError
-    when ((FreeBSD `notElem` pspecs) && arch == A_64) $ lift $ logWarn $
-      "FreeBSD missing for for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack arch'
-    when (Windows `notElem` pspecs && arch == A_64) $ do
-      lift $ logError $ "Windows missing for for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack arch'
-      addError
-
-    -- alpine needs to be set explicitly, because
-    -- we cannot assume that "Linux UnknownLinux" runs on Alpine
-    -- (although it could be static)
-    when (Linux Alpine `notElem` pspecs) $
-      case t of
-        GHCup | arch `elem` [A_64, A_32] -> lift (logError $ "Linux Alpine missing for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack (prettyShow arch)) >> addError
-        Cabal | v > [vver|2.4.1.0|]
-              , arch `elem` [A_64, A_32] -> lift (logError $ "Linux Alpine missing for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack (prettyShow arch)) >> addError
-        GHC | Latest `elem` tags || Recommended `elem` tags
-            , arch `elem` [A_64, A_32] -> lift (logError $ "Linux Alpine missing for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack (prettyShow arch))
-        _ -> lift $ logWarn $ "Linux Alpine missing for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack (prettyShow arch)
-
-  checkUniqueTags tool = do
-    let allTags = _viTags =<< M.elems (availableToolVersions dls tool)
-    let nonUnique =
-          fmap fst
-            .   filter (\(_, b) -> not b)
-            <$> ( mapM
-                    (\case
-                      [] -> throwM $ InternalError "empty inner list"
-                      (t : ts) ->
-                        pure $ (t, ) (not (isUniqueTag t) || null ts)
-                    )
-                . group
-                . sort
-                $ allTags
-                )
-    case join nonUnique of
-      [] -> pure ()
-      xs -> do
-        lift $ logError $ "Tags not unique for " <> T.pack (prettyShow tool) <> ": " <> T.pack (prettyShow xs)
-        addError
-   where
-    isUniqueTag Latest         = True
-    isUniqueTag Recommended    = True
-    isUniqueTag Old            = False
-    isUniqueTag Prerelease     = False
-    isUniqueTag (Base       _) = False
-    isUniqueTag (UnknownTag _) = False
-
-  checkGHCVerIsValid = do
-    let ghcVers = toListOf (ix GHC % to M.keys % folded) dls
-    forM_ ghcVers $ \v ->
-      case [ x | (x,"") <- readP_to_S V.parseVersion (T.unpack . prettyVer $ v) ] of
-        [_] -> pure ()
-        _   -> do
-          lift $ logError $ "GHC version " <> prettyVer v <> " is not valid"
-          addError
-
-  -- a tool must have at least one of each mandatory tags
-  checkMandatoryTags tool = do
-    let allTags = _viTags =<< M.elems (availableToolVersions dls tool)
-    forM_ [Latest, Recommended] $ \t -> case t `elem` allTags of
-      False -> do
-        lift $ logError $ "Tag " <> T.pack (prettyShow t) <> " missing from " <> T.pack (prettyShow tool)
-        addError
-      True -> pure ()
-
-  -- all GHC versions must have a base tag
-  checkGHCHasBaseVersion = do
-    let allTags = M.toList $ availableToolVersions dls GHC
-    forM allTags $ \(ver, _viTags -> tags) -> case any isBase tags of
-      False -> do
-        lift $ logError $ "Base tag missing from GHC ver " <> prettyVer ver
-        addError
-      True -> pure ()
-
-  isBase (Base _) = True
-  isBase _        = False
-
-data TarballFilter = TarballFilter
-  { tfTool    :: Either GlobalTool (Maybe Tool)
-  , tfVersion :: Regex
-  }
-
-validateTarballs :: ( Monad m
-                    , MonadReader env m
-                    , HasLog env
-                    , HasDirs env
-                    , HasSettings env
-                    , MonadThrow m
-                    , MonadIO m
-                    , MonadUnliftIO m
-                    , MonadMask m
-                    , Alternative m
-                    , MonadFail m
-                    )
-                 => TarballFilter
-                 -> GHCupDownloads
-                 -> M.Map GlobalTool DownloadInfo
-                 -> m ExitCode
-validateTarballs (TarballFilter etool versionRegex) dls gt = do
-  ref <- liftIO $ newIORef 0
-
-   -- download/verify all tarballs
-  let dlis = either (const []) (\tool -> nubOrd $ dls ^.. each %& indices (maybe (const True) (==) tool) %> each %& indices (matchTest versionRegex . T.unpack . prettyVer) % (viSourceDL % _Just `summing` viArch % each % each % each)) etool
-  let gdlis = nubOrd $ gt ^.. each
-  let allDls = either (const gdlis) (const dlis) etool
-  when (null allDls) $ logError "no tarballs selected by filter" *> runReaderT addError ref
-  forM_ allDls (downloadAll ref)
-
-  -- exit
-  e <- liftIO $ readIORef ref
-  if e > 0
-    then pure $ ExitFailure e
-    else do
-      logInfo "All good"
-      pure ExitSuccess
-
- where
-  downloadAll :: ( MonadUnliftIO m
-                 , MonadIO m
-                 , MonadReader env m
-                 , HasLog env
-                 , HasDirs env
-                 , HasSettings env
-                 , MonadCatch m
-                 , MonadMask m
-                 , MonadThrow m
-                 )
-              => IORef Int
-              -> DownloadInfo
-              -> m ()
-  downloadAll ref dli = do
-    r <- runResourceT
-      . runE @'[DigestError
-               , GPGError
-               , DownloadFailed
-               , UnknownArchive
-               , ArchiveResult
-               ]
-      $ do
-        case etool of
-          Right (Just GHCup) -> do
-            tmpUnpack <- lift mkGhcupTmpDir
-            _ <- liftE $ download (_dlUri dli) Nothing (Just (_dlHash dli)) tmpUnpack Nothing False
-            pure Nothing
-          Right _ -> do
-            p <- liftE $ downloadCached dli Nothing
-            fmap (Just . head . splitDirectories . head)
-              . liftE
-              . getArchiveFiles
-              $ p
-          Left ShimGen -> do
-            tmpUnpack <- lift mkGhcupTmpDir
-            _ <- liftE $ download (_dlUri dli) Nothing (Just (_dlHash dli)) tmpUnpack Nothing False
-            pure Nothing
-    case r of
-      VRight (Just basePath) -> do
-        case _dlSubdir dli of
-          Just (RealDir prel) -> do
-            logInfo
-              $ " verifying subdir: " <> T.pack prel
-            when (basePath /= prel) $ do
-              logError $
-                "Subdir doesn't match: expected " <> T.pack prel <> ", got " <> T.pack basePath
-              runReaderT addError ref
-          Just (RegexDir regexString) -> do
-            logInfo $
-              "verifying subdir (regex): " <> T.pack regexString
-            let regex = makeRegexOpts
-                  compIgnoreCase
-                  execBlank
-                  regexString
-            unless (match regex basePath) $ do
-              logError $
-                "Subdir doesn't match: expected regex " <> T.pack regexString <> ", got " <> T.pack basePath
-              runReaderT addError ref
-          Nothing -> pure ()
-      VRight Nothing -> pure ()
-      VLeft  e -> do
-        logError $
-          "Could not download (or verify hash) of " <> T.pack (show dli) <> ", Error was: " <> T.pack (prettyShow e)
-        runReaderT addError ref

app/ghcup/BrickMain.hs

@@ -536,17 +536,7 @@ settings' = unsafePerformIO $ do
                                   , fileOutter    = \_ -> pure ()
                                   , fancyColors   = True
                                   }
-  newIORef $ AppState (Settings { cache      = True
+  newIORef $ AppState defaultSettings
-                                , noVerify   = False
-                                , keepDirs   = Never
-                                , downloader = Curl
-                                , verbose    = False
-                                , urlSource  = GHCupURL
-                                , noNetwork  = False
-                                , gpgSetting = GPGNone
-                                , noColor    = False
-                                , ..
-                                })
                       dirs
                       defaultKeyBindings
                       (GHCupInfo mempty mempty mempty)

app/ghcup/GHCup/OptParse.hs

@@ -67,6 +67,7 @@ data Options = Options
   -- global options
     optVerbose     :: Maybe Bool
   , optCache       :: Maybe Bool
+  , optMetaCache   :: Maybe Integer
   , optUrlSource   :: Maybe URI
   , optNoVerify    :: Maybe Bool
   , optKeepDirs    :: Maybe KeepDirs
@@ -105,6 +106,7 @@ opts =
   Options
     <$> invertableSwitch "verbose" 'v' False (help "Enable verbosity (default: disabled)")
     <*> invertableSwitch "cache" 'c' False (help "Cache downloads in ~/.ghcup/cache (default: disabled)")
+    <*> optional (option auto (long "metadata-caching" <> help "How long the yaml metadata caching interval is (in seconds), 0 to disable" <> internal))
     <*> optional
           (option
             (eitherReader parseUri)

app/ghcup/GHCup/OptParse/Common.hs

@@ -299,7 +299,7 @@ tagCompleter tool add = listIOCompleter $ do
         , fancyColors    = False
         }
   let appState = LeanAppState
-        (Settings True False Never Curl False GHCupURL True GPGNone False)
+        (defaultSettings { noNetwork = True })
         dirs'
         defaultKeyBindings
         loggerConfig
@@ -322,7 +322,7 @@ versionCompleter criteria tool = listIOCompleter $ do
         , fileOutter     = mempty
         , fancyColors    = False
         }
-  let settings = Settings True False Never Curl False GHCupURL True GPGNone False
+  let settings = defaultSettings { noNetwork = True }
   let leanAppState = LeanAppState
                    settings
                    dirs'

app/ghcup/GHCup/OptParse/Config.hs

@@ -21,19 +21,20 @@ import           GHCup.Utils.String.QQ
 #if !MIN_VERSION_base(4,13,0)
 import           Control.Monad.Fail             ( MonadFail )
 #endif
+import           Control.Exception              ( displayException )
 import           Control.Monad.Reader
 import           Control.Monad.Trans.Resource
-import           Data.Bifunctor
 import           Data.Functor
 import           Data.Maybe
 import           Haskus.Utils.Variant.Excepts
 import           Options.Applicative     hiding ( style )
+import           Options.Applicative.Help.Pretty ( text )
 import           Prelude                 hiding ( appendFile )
 import           System.Exit
 
 import qualified Data.Text                     as T
 import qualified Data.ByteString.UTF8          as UTF8
-import qualified Data.YAML.Aeson               as Y
+import qualified Data.Yaml.Aeson               as Y
 import Control.Exception.Safe (MonadMask)
 
 
@@ -46,7 +47,7 @@ import Control.Exception.Safe (MonadMask)
 
 data ConfigCommand
   = ShowConfig
-  | SetConfig String String
+  | SetConfig String (Maybe String)
   | InitConfig
 
 
@@ -67,8 +68,8 @@ configP = subparser
  where
   initP = info (pure InitConfig) (progDesc "Write default config to ~/.ghcup/config.yaml")
   showP = info (pure ShowConfig) (progDesc "Show current config (default)")
-  setP  = info argsP (progDesc "Set config KEY to VALUE")
+  setP  = info argsP (progDesc "Set config KEY to VALUE (or specify as single json value)" <> footerDoc (Just $ text configSetFooter))
-  argsP = SetConfig <$> argument str (metavar "KEY") <*> argument str (metavar "VALUE")
+  argsP = SetConfig <$> argument str (metavar "<JSON_VALUE | YAML_KEY>") <*> optional (argument str (metavar "YAML_VALUE"))
 
 
 
@@ -88,7 +89,19 @@ configFooter = [s|Examples:
   ghcup config init
 
   # set <key> <value> configuration pair
-  ghcup config <key> <value>|]
+  ghcup config set <key> <value>|]
+
+
+configSetFooter :: String
+configSetFooter = [s|Examples:
+  # disable caching
+  ghcup config set cache false
+
+  # switch downloader to wget
+  ghcup config set downloader Wget
+
+  # set mirror for ghcup metadata
+  ghcup config set '{url-source: { OwnSource: "<url>"}}'|]
 
 
 
@@ -98,17 +111,18 @@ configFooter = [s|Examples:
 
 
 formatConfig :: UserSettings -> String
-formatConfig = UTF8.toString . Y.encode1Strict
+formatConfig = UTF8.toString . Y.encode
 
 
 updateSettings :: Monad m => UTF8.ByteString -> Settings -> Excepts '[JSONError] m Settings
 updateSettings config' settings = do
-  settings' <- lE' JSONDecodeError . first snd . Y.decode1Strict $ config'
+  settings' <- lE' (JSONDecodeError . displayException) . Y.decodeEither' $ config'
   pure $ mergeConf settings' settings
   where
    mergeConf :: UserSettings -> Settings -> Settings
    mergeConf UserSettings{..} Settings{..} =
      let cache'      = fromMaybe cache uCache
+         metaCache'  = fromMaybe metaCache uMetaCache
          noVerify'   = fromMaybe noVerify uNoVerify
          keepDirs'   = fromMaybe keepDirs uKeepDirs
          downloader' = fromMaybe downloader uDownloader
@@ -116,7 +130,7 @@ updateSettings config' settings = do
          urlSource'  = fromMaybe urlSource uUrlSource
          noNetwork'  = fromMaybe noNetwork uNoNetwork
          gpgSetting' = fromMaybe gpgSetting uGPGSetting
-     in Settings cache' noVerify' keepDirs' downloader' verbose' urlSource' noNetwork' gpgSetting' noColor
+     in Settings cache' metaCache' noVerify' keepDirs' downloader' verbose' urlSource' noNetwork' gpgSetting' noColor
 
 
 
@@ -147,22 +161,27 @@ config configCommand settings keybindings runLogger = case configCommand of
     liftIO $ putStrLn $ formatConfig $ fromSettings settings (Just keybindings)
     pure ExitSuccess
 
-  (SetConfig k v) -> do
+  (SetConfig k (Just v)) ->
     case v of
       "" -> do
         runLogger $ logError "Empty values are not allowed"
         pure $ ExitFailure 55
-      _  -> do
+      _  -> doConfig (k <> ": " <> v <> "\n")
-        r <- runE @'[JSONError] $ do
-          settings' <- updateSettings (UTF8.fromString (k <> ": " <> v <> "\n")) settings
-          path <- liftIO getConfigFilePath
-          liftIO $ writeFile path $ formatConfig $ fromSettings settings' (Just keybindings)
-          lift $ runLogger $ logDebug $ T.pack $ show settings'
-          pure ()
 
-        case r of
+  (SetConfig json Nothing) -> doConfig json
-            VRight _ -> pure ExitSuccess
+
-            VLeft (V (JSONDecodeError e)) -> do
+ where
-              runLogger $ logError $ "Error decoding config: " <> T.pack e
+  doConfig val = do
-              pure $ ExitFailure 65
+    r <- runE @'[JSONError] $ do
-            VLeft _ -> pure $ ExitFailure 65
+      settings' <- updateSettings (UTF8.fromString val) settings
+      path <- liftIO getConfigFilePath
+      liftIO $ writeFile path $ formatConfig $ fromSettings settings' (Just keybindings)
+      lift $ runLogger $ logDebug $ T.pack $ show settings'
+      pure ()
+
+    case r of
+        VRight _ -> pure ExitSuccess
+        VLeft (V (JSONDecodeError e)) -> do
+          runLogger $ logError $ "Error decoding config: " <> T.pack e
+          pure $ ExitFailure 65
+        VLeft _ -> pure $ ExitFailure 65

app/ghcup/GHCup/OptParse/DInfo.hs

@@ -51,7 +51,7 @@ describe_result = $( LitE . StringL <$>
                      runIO (do
                              CapturedProcess{..} <-  do
                               dirs <- liftIO getAllDirs
-                              let settings = AppState (Settings True False Never Curl False GHCupURL False GPGNone False)
+                              let settings = AppState (defaultSettings { noNetwork = True })
                                                dirs
                                                defaultKeyBindings
                               flip runReaderT settings $ executeOut "git" ["describe"] Nothing

app/ghcup/Main.hs

@@ -55,6 +55,7 @@ import qualified Data.ByteString               as B
 import qualified Data.Text                     as T
 import qualified Data.Text.IO                  as T
 import qualified Data.Text.Encoding            as E
+import qualified GHCup.Types                   as Types
 
 
 
@@ -72,15 +73,16 @@ toSettings options = do
  where
    mergeConf :: Options -> UserSettings -> Bool -> (Settings, KeyBindings)
    mergeConf Options{..} UserSettings{..} noColor =
-     let cache       = fromMaybe (fromMaybe False uCache) optCache
+     let cache       = fromMaybe (fromMaybe (Types.cache defaultSettings) uCache) optCache
-         noVerify    = fromMaybe (fromMaybe False uNoVerify) optNoVerify
+         metaCache   = fromMaybe (fromMaybe (Types.metaCache defaultSettings) uMetaCache) optMetaCache
-         verbose     = fromMaybe (fromMaybe False uVerbose) optVerbose
+         noVerify    = fromMaybe (fromMaybe (Types.noVerify defaultSettings) uNoVerify) optNoVerify
-         keepDirs    = fromMaybe (fromMaybe Errors uKeepDirs) optKeepDirs
+         verbose     = fromMaybe (fromMaybe (Types.verbose defaultSettings) uVerbose) optVerbose
+         keepDirs    = fromMaybe (fromMaybe (Types.keepDirs defaultSettings) uKeepDirs) optKeepDirs
          downloader  = fromMaybe (fromMaybe defaultDownloader uDownloader) optsDownloader
          keyBindings = maybe defaultKeyBindings mergeKeys uKeyBindings
-         urlSource   = maybe (fromMaybe GHCupURL uUrlSource) OwnSource optUrlSource
+         urlSource   = maybe (fromMaybe (Types.urlSource defaultSettings) uUrlSource) OwnSource optUrlSource
-         noNetwork   = fromMaybe (fromMaybe False uNoNetwork) optNoNetwork
+         noNetwork   = fromMaybe (fromMaybe (Types.noNetwork defaultSettings) uNoNetwork) optNoNetwork
-         gpgSetting  = fromMaybe (fromMaybe GPGNone uGPGSetting) optGpg
+         gpgSetting  = fromMaybe (fromMaybe (Types.gpgSetting defaultSettings) uGPGSetting) optGpg
      in (Settings {..}, keyBindings)
 #if defined(INTERNAL_DOWNLOADER)
    defaultDownloader = Internal

cabal.ghc8107.project

@@ -8,7 +8,9 @@ package ghcup
     tests: True
     flags: +tui
 
-constraints: http-io-streams -brotli
+constraints: http-io-streams -brotli,
+             any.Cabal ==3.6.2.0,
+             any.aeson >= 2.0.1.0
 
 package libarchive
   flags: -system-libarchive
@@ -19,6 +21,9 @@ package aeson-pretty
 package cabal-plan
   flags: -exe
 
+package aeson
+  flags: +ordered-keymap
+
 allow-newer: base, ghc-prim, template-haskell, language-c
 
 with-compiler: ghc-8.10.7

cabal.ghc8107.project.freeze

@@ -1,18 +1,17 @@
 active-repositories: hackage.haskell.org:merge
-constraints: any.Cabal ==3.2.1.0 || ==3.6.1.0,
+constraints: any.Cabal ==3.6.2.0,
              Cabal -bundled-binary-generic,
              any.HUnit ==1.6.2.0,
              any.HsOpenSSL ==0.11.7.2,
              HsOpenSSL -fast-bignum -homebrew-openssl -macports-openssl -use-pkg-config,
-             any.HsYAML ==0.2.1.0,
-             HsYAML -exe,
-             any.HsYAML-aeson ==0.2.0.0,
              any.QuickCheck ==2.14.2,
              QuickCheck -old-random +templatehaskell,
              any.StateVar ==1.2.2,
-             any.aeson ==1.5.6.0,
+             any.abstract-deque ==0.3,
-             aeson -bytestring-builder -cffi -developer -fast,
+             abstract-deque -usecas,
-             any.aeson-pretty ==0.8.8,
+             any.aeson ==2.0.1.0,
+             aeson -bytestring-builder -cffi +ordered-keymap,
+             any.aeson-pretty ==0.8.9,
              aeson-pretty +lib-only,
              any.alex ==3.2.6,
              alex +small_base,
@@ -22,8 +21,10 @@ constraints: any.Cabal ==3.2.1.0 || ==3.6.1.0,
              ansi-wl-pprint -example,
              any.array ==0.5.4.0,
              any.assoc ==1.0.2,
-             any.async ==2.2.3,
+             any.async ==2.2.4,
              async -bench,
+             any.atomic-primops ==0.8.4,
+             atomic-primops -debug,
              any.attoparsec ==0.13.2.5,
              attoparsec -developer,
              any.base ==4.14.3.0,
@@ -35,15 +36,15 @@ constraints: any.Cabal ==3.2.1.0 || ==3.6.1.0,
              any.bifunctors ==5.5.11,
              bifunctors +semigroups +tagged,
              any.binary ==0.8.8.0,
-             any.blaze-builder ==0.4.2.1,
+             any.blaze-builder ==0.4.2.2,
-             any.brick ==0.64.1,
+             any.brick ==0.64.2,
              brick -demos,
              any.bytestring ==0.10.12.0,
              any.bz2 ==1.0.1.0,
              bz2 -cross +with-bzlib,
              any.c2hs ==0.28.8,
              c2hs +base3 -regression,
-             any.cabal-plan ==0.7.2.0,
+             any.cabal-plan ==0.7.2.1,
              cabal-plan -_ -exe -license-report,
              any.call-stack ==0.4.0,
              any.case-insensitive ==1.2.1.0,
@@ -66,7 +67,7 @@ constraints: any.Cabal ==3.2.1.0 || ==3.6.1.0,
              any.cpphs ==1.20.9.1,
              cpphs -old-locale,
              any.cryptohash-sha1 ==0.11.100.1,
-             any.cryptohash-sha256 ==0.11.102.0,
+             any.cryptohash-sha256 ==0.11.102.1,
              cryptohash-sha256 -exe +use-cbits,
              any.data-clist ==0.1.2.3,
              any.data-fix ==0.3.2,
@@ -80,16 +81,18 @@ constraints: any.Cabal ==3.2.1.0 || ==3.6.1.0,
              any.exceptions ==0.10.4,
              any.filepath ==1.4.2.1,
              any.free ==5.1.7,
+             any.fusion-plugin-types ==0.1.0,
              any.generic-arbitrary ==0.1.0,
              any.ghc-boot-th ==8.10.7,
              any.ghc-byteorder ==4.11.0.0.10,
              any.ghc-prim ==0.6.1,
              any.happy ==1.20.0,
-             any.hashable ==1.3.3.0,
+             any.hashable ==1.3.4.1,
              hashable +integer-gmp -random-initial-seed,
              any.haskus-utils-data ==1.4,
              any.haskus-utils-types ==1.5.1,
              any.haskus-utils-variant ==3.1,
+             any.heaps ==0.4,
              any.hsc2hs ==0.68.7,
              hsc2hs -in-ghc-tree,
              any.hspec ==2.7.10,
@@ -109,16 +112,20 @@ constraints: any.Cabal ==3.2.1.0 || ==3.6.1.0,
              io-streams +network -nointeractivetests +zlib,
              any.language-c ==0.9.0.1,
              language-c -allwarnings +iecfpextension +usebytestrings,
-             any.libarchive ==3.0.3.0,
+             any.libarchive ==3.0.3.1,
              libarchive -cross -low-memory -system-libarchive,
+             any.libyaml-streamly ==0.2.0,
+             libyaml-streamly -no-unicode -system-libyaml,
+             any.lockfree-queue ==0.2.3.1,
              any.lzma-static ==5.2.5.4,
              any.megaparsec ==9.0.1,
              megaparsec -dev,
              any.microlens ==0.4.12.0,
              any.microlens-mtl ==0.2.0.1,
              any.microlens-th ==0.4.3.10,
+             any.monad-control ==1.0.3.1,
              any.mtl ==2.2.2,
-             any.network ==3.1.2.2,
+             any.network ==3.1.2.5,
              network -devel,
              any.network-uri ==2.6.4.1,
              any.openssl-streams ==1.2.3.0,
@@ -129,7 +136,7 @@ constraints: any.Cabal ==3.2.1.0 || ==3.6.1.0,
              any.optics-th ==0.4,
              any.optparse-applicative ==0.16.1.0,
              optparse-applicative +process,
-             any.os-release ==1.0.2,
+             any.os-release ==1.0.2.1,
              os-release -devel,
              any.parallel ==3.2.2.0,
              any.parsec ==3.1.14.0,
@@ -150,18 +157,24 @@ constraints: any.Cabal ==3.2.1.0 || ==3.6.1.0,
              any.regex-posix ==0.96.0.1,
              regex-posix -_regex-posix-clib,
              any.resourcet ==1.2.4.3,
+             any.retry ==0.8.1.2,
+             retry -lib-werror,
              any.rts ==1.0.1,
              any.safe ==0.3.19,
              any.safe-exceptions ==0.1.7.2,
              any.scientific ==0.3.7.0,
              scientific -bytestring-builder -integer-simple,
-             any.semigroupoids ==5.3.5,
+             any.semialign ==1.2,
+             semialign +semigroupoids,
+             any.semigroupoids ==5.3.6,
              semigroupoids +comonad +containers +contravariant +distributive +tagged +unordered-containers,
              any.setenv ==0.1.1.3,
              any.split ==0.2.3.4,
              any.splitmix ==0.1.0.3,
              splitmix -optimised-mixer,
              any.stm ==2.5.0.1,
+             any.streamly ==0.8.0,
+             streamly -debug -dev -fusion-plugin -has-llvm -inspection -no-fusion +opt -streamk -use-c-malloc,
              any.strict ==0.4.0.1,
              strict +assoc,
              any.strict-base ==0.4.0.0,
@@ -190,7 +203,7 @@ constraints: any.Cabal ==3.2.1.0 || ==3.6.1.0,
              any.transformers-compat ==0.7,
              transformers-compat -five +five-three -four +generic-deriving +mtl -three -two,
              any.unix ==2.7.2.2,
-             any.unix-bytestring ==0.3.7.3,
+             any.unix-bytestring ==0.3.7.5,
              any.unix-compat ==0.5.3,
              unix-compat -old-time,
              any.unliftio-core ==0.2.0.1,
@@ -204,10 +217,13 @@ constraints: any.Cabal ==3.2.1.0 || ==3.6.1.0,
              vector +boundschecks -internalchecks -unsafechecks -wall,
              any.versions ==5.0.0,
              any.vty ==5.33,
+             any.witherable ==0.4.2,
              any.word-wrap ==0.5,
              any.word8 ==0.1.3,
              any.xor ==0.0.1.0,
+             any.yaml-streamly ==0.12.0,
+             yaml-streamly +no-examples +no-exe,
              any.zlib ==0.6.2.3,
              zlib -bundled-c-zlib -non-blocking-ffi -pkg-config,
              any.zlib-bindings ==0.1.1.5
-index-state: hackage.haskell.org 2021-10-01T15:16:26Z
+index-state: hackage.haskell.org 2021-10-24T10:21:56Z

cabal.ghc901.project

@@ -8,7 +8,9 @@ package ghcup
     tests: True
     flags: +tui
 
-constraints: http-io-streams -brotli
+constraints: http-io-streams -brotli,
+             any.Cabal ==3.6.2.0,
+             any.aeson >= 2.0.1.0
 
 package libarchive
   flags: -system-libarchive
@@ -19,6 +21,9 @@ package aeson-pretty
 package cabal-plan
   flags: -exe
 
+package aeson
+  flags: +ordered-keymap
+
 allow-newer: base, ghc-prim, template-haskell, language-c
 
 with-compiler: ghc-9.0.1

cabal.ghc901.project.freeze

@@ -1,18 +1,17 @@
 active-repositories: hackage.haskell.org:merge
-constraints: any.Cabal ==3.4.0.0 || ==3.6.1.0,
+constraints: any.Cabal ==3.6.2.0,
              Cabal -bundled-binary-generic,
              any.HUnit ==1.6.2.0,
              any.HsOpenSSL ==0.11.7.2,
              HsOpenSSL -fast-bignum -homebrew-openssl -macports-openssl -use-pkg-config,
-             any.HsYAML ==0.2.1.0,
-             HsYAML -exe,
-             any.HsYAML-aeson ==0.2.0.0,
              any.QuickCheck ==2.14.2,
              QuickCheck -old-random +templatehaskell,
              any.StateVar ==1.2.2,
-             any.aeson ==1.5.6.0,
+             any.abstract-deque ==0.3,
-             aeson -bytestring-builder -cffi -developer -fast,
+             abstract-deque -usecas,
-             any.aeson-pretty ==0.8.8,
+             any.aeson ==2.0.1.0,
+             aeson -bytestring-builder -cffi +ordered-keymap,
+             any.aeson-pretty ==0.8.9,
              aeson-pretty +lib-only,
              any.alex ==3.2.6,
              alex +small_base,
@@ -22,8 +21,10 @@ constraints: any.Cabal ==3.4.0.0 || ==3.6.1.0,
              ansi-wl-pprint -example,
              any.array ==0.5.4.0,
              any.assoc ==1.0.2,
-             any.async ==2.2.3,
+             any.async ==2.2.4,
              async -bench,
+             any.atomic-primops ==0.8.4,
+             atomic-primops -debug,
              any.attoparsec ==0.13.2.5,
              attoparsec -developer,
              any.base ==4.15.0.0,
@@ -35,15 +36,15 @@ constraints: any.Cabal ==3.4.0.0 || ==3.6.1.0,
              any.bifunctors ==5.5.11,
              bifunctors +semigroups +tagged,
              any.binary ==0.8.8.0,
-             any.blaze-builder ==0.4.2.1,
+             any.blaze-builder ==0.4.2.2,
-             any.brick ==0.64.1,
+             any.brick ==0.64.2,
              brick -demos,
              any.bytestring ==0.10.12.1,
              any.bz2 ==1.0.1.0,
              bz2 -cross +with-bzlib,
              any.c2hs ==0.28.8,
              c2hs +base3 -regression,
-             any.cabal-plan ==0.7.2.0,
+             any.cabal-plan ==0.7.2.1,
              cabal-plan -_ -exe -license-report,
              any.call-stack ==0.4.0,
              any.case-insensitive ==1.2.1.0,
@@ -66,7 +67,7 @@ constraints: any.Cabal ==3.4.0.0 || ==3.6.1.0,
              any.cpphs ==1.20.9.1,
              cpphs -old-locale,
              any.cryptohash-sha1 ==0.11.100.1,
-             any.cryptohash-sha256 ==0.11.102.0,
+             any.cryptohash-sha256 ==0.11.102.1,
              cryptohash-sha256 -exe +use-cbits,
              any.data-clist ==0.1.2.3,
              any.data-fix ==0.3.2,
@@ -80,17 +81,19 @@ constraints: any.Cabal ==3.4.0.0 || ==3.6.1.0,
              any.exceptions ==0.10.4,
              any.filepath ==1.4.2.1,
              any.free ==5.1.7,
+             any.fusion-plugin-types ==0.1.0,
              any.generic-arbitrary ==0.1.0,
              any.ghc-bignum ==1.0,
              any.ghc-boot-th ==9.0.1,
              any.ghc-byteorder ==4.11.0.0.10,
              any.ghc-prim ==0.7.0,
              any.happy ==1.20.0,
-             any.hashable ==1.3.3.0,
+             any.hashable ==1.3.4.1,
              hashable +integer-gmp -random-initial-seed,
              any.haskus-utils-data ==1.4,
              any.haskus-utils-types ==1.5.1,
              any.haskus-utils-variant ==3.1,
+             any.heaps ==0.4,
              any.hsc2hs ==0.68.7,
              hsc2hs -in-ghc-tree,
              any.hspec ==2.7.10,
@@ -109,16 +112,20 @@ constraints: any.Cabal ==3.4.0.0 || ==3.6.1.0,
              io-streams +network -nointeractivetests +zlib,
              any.language-c ==0.9.0.1,
              language-c -allwarnings +iecfpextension +usebytestrings,
-             any.libarchive ==3.0.3.0,
+             any.libarchive ==3.0.3.1,
              libarchive -cross -low-memory -system-libarchive,
+             any.libyaml-streamly ==0.2.0,
+             libyaml-streamly -no-unicode -system-libyaml,
+             any.lockfree-queue ==0.2.3.1,
              any.lzma-static ==5.2.5.4,
              any.megaparsec ==9.0.1,
              megaparsec -dev,
              any.microlens ==0.4.12.0,
              any.microlens-mtl ==0.2.0.1,
              any.microlens-th ==0.4.3.10,
+             any.monad-control ==1.0.3.1,
              any.mtl ==2.2.2,
-             any.network ==3.1.2.2,
+             any.network ==3.1.2.5,
              network -devel,
              any.network-uri ==2.6.4.1,
              any.openssl-streams ==1.2.3.0,
@@ -129,7 +136,7 @@ constraints: any.Cabal ==3.4.0.0 || ==3.6.1.0,
              any.optics-th ==0.4,
              any.optparse-applicative ==0.16.1.0,
              optparse-applicative +process,
-             any.os-release ==1.0.2,
+             any.os-release ==1.0.2.1,
              os-release -devel,
              any.parallel ==3.2.2.0,
              any.parsec ==3.1.14.0,
@@ -150,18 +157,24 @@ constraints: any.Cabal ==3.4.0.0 || ==3.6.1.0,
              any.regex-posix ==0.96.0.1,
              regex-posix -_regex-posix-clib,
              any.resourcet ==1.2.4.3,
+             any.retry ==0.8.1.2,
+             retry -lib-werror,
              any.rts ==1.0,
              any.safe ==0.3.19,
              any.safe-exceptions ==0.1.7.2,
              any.scientific ==0.3.7.0,
              scientific -bytestring-builder -integer-simple,
-             any.semigroupoids ==5.3.5,
+             any.semialign ==1.2,
+             semialign +semigroupoids,
+             any.semigroupoids ==5.3.6,
              semigroupoids +comonad +containers +contravariant +distributive +tagged +unordered-containers,
              any.setenv ==0.1.1.3,
              any.split ==0.2.3.4,
              any.splitmix ==0.1.0.3,
              splitmix -optimised-mixer,
              any.stm ==2.5.0.0,
+             any.streamly ==0.8.0,
+             streamly -debug -dev -fusion-plugin -has-llvm -inspection -no-fusion +opt -streamk -use-c-malloc,
              any.strict ==0.4.0.1,
              strict +assoc,
              any.strict-base ==0.4.0.0,
@@ -190,7 +203,7 @@ constraints: any.Cabal ==3.4.0.0 || ==3.6.1.0,
              any.transformers-compat ==0.7,
              transformers-compat -five +five-three -four +generic-deriving +mtl -three -two,
              any.unix ==2.7.2.2,
-             any.unix-bytestring ==0.3.7.3,
+             any.unix-bytestring ==0.3.7.5,
              any.unix-compat ==0.5.3,
              unix-compat -old-time,
              any.unliftio-core ==0.2.0.1,
@@ -204,10 +217,13 @@ constraints: any.Cabal ==3.4.0.0 || ==3.6.1.0,
              vector +boundschecks -internalchecks -unsafechecks -wall,
              any.versions ==5.0.0,
              any.vty ==5.33,
+             any.witherable ==0.4.2,
              any.word-wrap ==0.5,
              any.word8 ==0.1.3,
              any.xor ==0.0.1.0,
+             any.yaml-streamly ==0.12.0,
+             yaml-streamly +no-examples +no-exe,
              any.zlib ==0.6.2.3,
              zlib -bundled-c-zlib -non-blocking-ffi -pkg-config,
              any.zlib-bindings ==0.1.1.5
-index-state: hackage.haskell.org 2021-10-01T15:16:26Z
+index-state: hackage.haskell.org 2021-10-24T10:21:56Z

cabal.project

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

data/config.yaml

@@ -36,6 +36,10 @@ key-bindings:
   show-all-tools:
     KChar: 't'
 
+# The caching for the metadata files containing download info, depending on last access time
+# of the file. These usually are in '~/.ghcup/cache/ghcup-<ver>.yaml'.
+meta-cache: 300 # in seconds
+
 # Where to get GHC/cabal/hls download info/versions from. For more detailed explanation
 # check the 'URLSource' type in the code.
 url-source:

docs/dev.md

@@ -66,18 +66,14 @@ Some light suggestions:
 
 ### Adding a new GHC version
 
-1. open the latest `data/metadata/ghcup-<yaml-ver>.yaml`
+Head over to: [https://github.com/haskell/ghcup-metadata#adding-a-new-ghc-version](https://github.com/haskell/ghcup-metadata#adding-a-new-ghc-version)
-2. find the latest ghc version (in yaml tree e.g. `ghcupDownloads -> GHC -> 8.10.7`)
-3. copy-paste it
-4. adjust the version, tags, changelog, source url
-5. adjust the various bindist urls (make sure to also change the yaml anchors)
-6. run `cabal run exe:ghcup-gen -- check          -f data/metadata/ghcup-<yaml-ver>.yaml`
-7. run `cabal run exe:ghcup-gen -- check-tarballs -f data/metadata/ghcup-<yaml-ver>.yaml -u 'ghc-8\.10\.8'`
 
 ### Adding a new CLI command
 
 An example illustration on how to deal with [optparse-applicative](https://hackage.haskell.org/package/optparse-applicative) can be seen here: [https://gitlab.haskell.org/haskell/ghcup-hs/-/commit/c19dd5ee8b2edbaf0336af143f1c75b6f4843e26](https://gitlab.haskell.org/haskell/ghcup-hs/-/commit/c19dd5ee8b2edbaf0336af143f1c75b6f4843e26)
 
+Every subcommand now lives in its own module under [GHCup.OptParse.MyCommand](https://gitlab.haskell.org/haskell/ghcup-hs/-/tree/master/app/ghcup/GHCup/OptParse).
+
 ## Major refactors
 
 1. First major refactor included adding cross support. This added
@@ -89,6 +85,7 @@ An example illustration on how to deal with [optparse-applicative](https://hacka
    The major changes here were switching `hpath` library out for `filepath`/`directory` (sadly) and
    introducing a non-unix way of handling processes via the `process` library. It also introduced considerable
    amounts of CPP wrt file handling, installation etc.
+3. This refactor split up the huge `Main.hs` and put every subcommand in its own module: [#212](https://gitlab.haskell.org/haskell/ghcup-hs/-/merge_requests/212)
 
 # Releasing
 
@@ -98,21 +95,19 @@ An example illustration on how to deal with [optparse-applicative](https://hacka
 
 3. Add ChangeLog entry
 
-4. Add/fix downloads in `ghcup-<ver>.yaml` (under `data/metadata`), then verify with `ghcup-gen check -f data/metadata/ghcup-<ver>.yaml` and possibly (example only) `ghcup-gen check-tarballs -f data/metadata/ghcup-<ver>.yaml -u 'ghc-8.10.7'`. Generally, new GHC/cabal/stack/hls versions are only added to the latest yaml file. New GHCup versions are added to all (great care must be taken here to not break the parser... e.g. ARM platforms don't parse in all older formats).
+4. Commit and git push with tag. Wait for tests to succeed and release artifacts to build.
 
-5. Commit and git push with tag. Wait for tests to succeed and release artifacts to build.
+5. Download release artifacts and upload them `downloads.haskell.org/~ghcup` along with checksum files (`sha256sum --tag * > SHA256SUMS && gpg --detach-sign -u <your-email> SHA256SUMS`)
 
-6. Download release artifacts and upload them `downloads.haskell.org/~ghcup` along with checksum files (`sha256sum --tag * > SHA256SUMS && gpg --detach-sign -u <your-email> SHA256SUMS`)
+6. Add ghcup release artifacts to ALL yaml files, see [ghcup-metadata repo](https://github.com/haskell/ghcup-metadata)
 
-7. Add ghcup release artifacts to ALL yaml files (see point 4.)
+7. Upload the final `ghcup-<ver>.yaml` (and a detached GPG sig of it) to `webhost.haskell.org/ghcup/data/` (for yaml versions <= 0.0.6) as well as [https://github.com/haskell/ghcup-metadata](https://github.com/haskell/ghcup-metadata) (for all versions).
 
-8. Upload the final `data/metadata/ghcup-<ver>.yaml` (and a detached GPG sig of it) to `webhost.haskell.org/ghcup/data/`.
+8. Upload `bootstrap-haskell` and `bootstrap-haskell.ps1` to `webhost.haskell.org/ghcup/sh/`
 
-9. Update `bootstrap-haskell` and `bootstrap-haskell.ps1` to `webhost.haskell.org/ghcup/sh/`
+9. Update the top-level ghcup symlinks at `downloads.haskell.org/~ghcup`
 
-10. Update the top-level ghcup symlinks at `downloads.haskell.org/~ghcup`
+10. Post on reddit/discourse/etc. and collect rewards
-
-11. Post on reddit/discourse/etc. and collect rewards
 
 # Documentation
 

docs/guide.md

@@ -53,6 +53,25 @@ as e.g. `/etc/bash_completion.d/ghcup` (depending on distro)
 and make sure your bashrc sources the startup script
 (`/usr/share/bash-completion/bash_completion` on some distros).
 
+## Caching
+
+GHCup has a few caching mechanisms to avoid redownloads. All cached files end up in `~/.ghcup/cache` by default.
+
+### Downloads cache
+
+Downloaded tarballs (such as GHC, cabal, etc.) are not cached by default unless you pass `ghcup --cache` or set caching
+in your [config](#configuration) via `ghcup config set cache true`.
+
+### Metadata cache
+
+The metadata files (also see [github.com/haskell/ghcup-metadata](https://github.com/haskell/ghcup-metadata))
+have a 5 minutes cache per default depending on the last access time of the file. That means if you run
+`ghcup list` 10 times in a row, only the first time will trigger a download attempt.
+
+### Clearing the cache
+
+If you experience problems, consider clearing the cache via `ghcup gc --cache`.
+
 ## Compiling GHC from source
 
 Compiling from source is supported for both source tarballs and arbitrary git refs. See `ghcup compile ghc --help`

docs/modules_small.svg

@@ -4,363 +4,638 @@
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-<text text-anchor="middle" x="387" y="-483.25" font-family="Times-Roman" font-size="14.00">Download</text>
+<text text-anchor="middle" x="1165" y="-740.29" font-family="Times-Roman" font-size="14.00">Download</text>
 </g>
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-<g id="node7" class="node">
+<g id="node24" class="node">
 <title>u12</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="2" cx="688" cy="-393.95" rx="27" ry="18"/>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="2" cx="825" cy="-571.99" rx="27" ry="18"/>
-<text text-anchor="middle" x="688" y="-390.25" font-family="Times-Roman" font-size="14.00">File</text>
+<text text-anchor="middle" x="825" y="-568.29" font-family="Times-Roman" font-size="14.00">File</text>
 </g>
 <!-- u1&#45;&gt;u12 -->
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+<g id="edge13" class="edge">
 <title>u1&#45;&gt;u12</title>
-<path fill="none" stroke="black" d="M416.08,-471.48C425.43,-467.42 435.96,-463.44 446,-460.95 491.68,-449.63 616.67,-467.2 657,-442.95 665.62,-437.77 672.27,-429.17 677.16,-420.67"/>
+<path fill="none" stroke="black" d="M1125,-731.45C1042,-707.49 858.55,-654.33 856,-651.99 841.25,-638.47 833.42,-617.06 829.33,-599.94"/>
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+<g id="node32" class="node">
 <title>u11</title>
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+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="1045" cy="-571.99" rx="28.7" ry="18"/>
-<text text-anchor="middle" x="603" y="-390.25" font-family="Times-Roman" font-size="14.00">Dirs</text>
+<text text-anchor="middle" x="1045" y="-568.29" font-family="Times-Roman" font-size="14.00">Dirs</text>
 </g>
 <!-- u1&#45;&gt;u11 -->
-<g id="edge14" class="edge">
+<g id="edge12" class="edge">
 <title>u1&#45;&gt;u11</title>
-<path fill="none" stroke="black" d="M419.14,-472.31C427.86,-468.62 437.29,-464.63 446,-460.95 489.08,-442.77 538.85,-421.87 570.6,-408.54"/>
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+<polygon fill="black" stroke="black" points="1063.78,-595.29 1055.36,-588.87 1057.94,-599.14 1063.78,-595.29"/>
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 <!-- u13 -->
-<g id="node18" class="node">
+<g id="node35" class="node">
 <title>u13</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="109" cy="-300.95" rx="44.39" ry="18"/>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="1414" cy="-571.99" rx="44.39" ry="18"/>
-<text text-anchor="middle" x="109" y="-297.25" font-family="Times-Roman" font-size="14.00">Version</text>
+<text text-anchor="middle" x="1414" y="-568.29" font-family="Times-Roman" font-size="14.00">Version</text>
 </g>
 <!-- u1&#45;&gt;u13 -->
-<g id="edge13" class="edge">
+<g id="edge11" class="edge">
 <title>u1&#45;&gt;u13</title>
-<path fill="none" stroke="black" d="M356.68,-471.88C346.23,-467.63 334.3,-463.44 323,-460.95 290.82,-453.87 49.58,-466.95 27,-442.95 4.16,-418.68 12.6,-398.02 27,-367.95 36.61,-347.88 55.63,-331.97 72.94,-320.81"/>
+<path fill="none" stroke="black" d="M1206.8,-732.08C1250.56,-718.96 1319.26,-693.39 1366,-651.99 1382.37,-637.49 1394.91,-616.04 1403.06,-599.16"/>
-<polygon fill="black" stroke="black" points="75.07,-323.61 81.77,-315.4 71.41,-317.64 75.07,-323.61"/>
+<polygon fill="black" stroke="black" points="1406.35,-600.37 1407.35,-589.82 1399.99,-597.45 1406.35,-600.37"/>
 </g>
 <!-- u17 -->
 <g id="node2" class="node">
 <title>u17</title>
-<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="332" cy="-393.95" rx="30.59" ry="18"/>
+<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="1267" cy="-571.99" rx="30.59" ry="18"/>
-<text text-anchor="middle" x="332" y="-390.25" font-family="Times-Roman" font-size="14.00">Utils</text>
+<text text-anchor="middle" x="1267" y="-568.29" font-family="Times-Roman" font-size="14.00">Utils</text>
 </g>
 <!-- u5 -->
-<g id="node6" class="node">
+<g id="node23" class="node">
 <title>u5</title>
-<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="410" cy="-300.95" rx="33.6" ry="18"/>
+<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="1238" cy="-436.99" rx="33.6" ry="18"/>
-<text text-anchor="middle" x="410" y="-297.25" font-family="Times-Roman" font-size="14.00">JSON</text>
+<text text-anchor="middle" x="1238" y="-433.29" font-family="Times-Roman" font-size="14.00">JSON</text>
 </g>
 <!-- u17&#45;&gt;u5 -->
-<g id="edge16" class="edge">
+<g id="edge14" class="edge">
 <title>u17&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M345.23,-377.52C357.37,-363.35 375.54,-342.16 389.55,-325.81"/>
+<path fill="none" stroke="black" d="M1263.27,-553.87C1258.35,-531.33 1249.65,-491.44 1243.86,-464.85"/>
-<polygon fill="black" stroke="black" points="392.59,-327.64 396.44,-317.77 387.28,-323.09 392.59,-327.64"/>
+<polygon fill="black" stroke="black" points="1247.27,-464.06 1241.72,-455.04 1240.43,-465.56 1247.27,-464.06"/>
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 <!-- u19 -->
 <g id="node3" class="node">
 <title>u19</title>
-<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="256" cy="-486.95" rx="57.69" ry="18"/>
+<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="1296" cy="-743.99" rx="57.69" ry="18"/>
-<text text-anchor="middle" x="256" y="-483.25" font-family="Times-Roman" font-size="14.00">IOStreams</text>
+<text text-anchor="middle" x="1296" y="-740.29" font-family="Times-Roman" font-size="14.00">IOStreams</text>
 </g>
 <!-- u19&#45;&gt;u17 -->
-<g id="edge17" class="edge">
+<g id="edge15" class="edge">
 <title>u19&#45;&gt;u17</title>
-<path fill="none" stroke="black" d="M272.49,-469.68C280.19,-461.83 289.33,-452.14 297,-442.95 303.18,-435.56 309.51,-427.17 315.06,-419.49"/>
+<path fill="none" stroke="black" d="M1293.06,-725.75C1288.01,-696.15 1277.65,-635.42 1271.63,-600.1"/>
-<polygon fill="black" stroke="black" points="318.21,-421.09 321.16,-410.91 312.51,-417.03 318.21,-421.09"/>
+<polygon fill="black" stroke="black" points="1275.04,-599.29 1269.9,-590.02 1268.14,-600.46 1275.04,-599.29"/>
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-<g id="node4" class="node">
-<title>u3</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="399" cy="-220.95" rx="36.29" ry="18"/>
-<text text-anchor="middle" x="399" y="-217.25" font-family="Times-Roman" font-size="14.00">Types</text>
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-<g id="node5" class="node">
-<title>u4</title>
-<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="319" cy="-300.95" rx="39.79" ry="18"/>
-<text text-anchor="middle" x="319" y="-297.25" font-family="Times-Roman" font-size="14.00">Optics</text>
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-<!-- u4&#45;&gt;u3 -->
-<g id="edge18" class="edge">
-<title>u4&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M335.19,-284.17C346.87,-272.78 362.8,-257.24 375.83,-244.55"/>
-<polygon fill="black" stroke="black" points="378.39,-246.94 383.11,-237.45 373.5,-241.92 378.39,-246.94"/>
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-<!-- u6 -->
-<g id="node12" class="node">
-<title>u6</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="638" cy="-486.95" rx="64.19" ry="18"/>
-<text text-anchor="middle" x="638" y="-483.25" font-family="Times-Roman" font-size="14.00">MegaParsec</text>
-</g>
-<!-- u5&#45;&gt;u6 -->
-<g id="edge19" class="edge">
-<title>u5&#45;&gt;u6</title>
-<path fill="none" stroke="black" d="M425.28,-317.32C443.67,-335.87 472.3,-364.95 474,-367.95 491,-397.97 469.27,-418.9 494,-442.95 518.89,-467.15 536.76,-450.95 570,-460.95 577.45,-463.2 585.27,-465.82 592.85,-468.5"/>
-<polygon fill="black" stroke="black" points="591.68,-471.8 602.27,-471.91 594.06,-465.22 591.68,-471.8"/>
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-<!-- u7 -->
-<g id="node13" class="node">
-<title>u7</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="618" cy="-220.95" rx="44.39" ry="18"/>
-<text text-anchor="middle" x="618" y="-217.25" font-family="Times-Roman" font-size="14.00">Prelude</text>
-</g>
-<!-- u5&#45;&gt;u7 -->
-<g id="edge20" class="edge">
-<title>u5&#45;&gt;u7</title>
-<path fill="none" stroke="black" d="M429.11,-285.89C434.97,-281.99 441.58,-277.99 448,-274.95 487.67,-256.18 535.63,-241.92 570.48,-232.95"/>
-<polygon fill="black" stroke="black" points="571.56,-236.29 580.4,-230.45 569.85,-229.51 571.56,-236.29"/>
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-<!-- u9 -->
-<g id="node8" class="node">
-<title>u9</title>
-<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="699" cy="-300.95" rx="51.19" ry="18"/>
-<text text-anchor="middle" x="699" y="-297.25" font-family="Times-Roman" font-size="14.00">Common</text>
-</g>
-<!-- u12&#45;&gt;u9 -->
-<g id="edge30" class="edge">
-<title>u12&#45;&gt;u9</title>
-<path fill="none" stroke="black" d="M690.07,-375.84C691.65,-362.75 693.87,-344.43 695.69,-329.32"/>
-<polygon fill="black" stroke="black" points="699.21,-329.34 696.94,-318.99 692.27,-328.5 699.21,-329.34"/>
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-<!-- u9&#45;&gt;u7 -->
-<g id="edge31" class="edge">
-<title>u9&#45;&gt;u7</title>
-<path fill="none" stroke="black" d="M682.22,-283.79C670.52,-272.53 654.74,-257.34 641.76,-244.83"/>
-<polygon fill="black" stroke="black" points="644.12,-242.24 634.48,-237.83 639.26,-247.29 644.12,-242.24"/>
-</g>
-<!-- u10 -->
-<g id="node9" class="node">
-<title>u10</title>
-<ellipse fill="#77ff77" stroke="black" stroke-width="0" cx="618" cy="-55.95" rx="27" ry="18"/>
-<text text-anchor="middle" x="618" y="-52.25" font-family="Times-Roman" font-size="14.00">QQ</text>
-</g>
-<!-- u16 -->
-<g id="node10" class="node">
-<title>u16</title>
-<ellipse fill="#ffff77" stroke="black" stroke-width="0" cx="747" cy="-486.95" rx="27" ry="18"/>
-<text text-anchor="middle" x="747" y="-483.25" font-family="Times-Roman" font-size="14.00">QQ</text>
-</g>
-<!-- u15 -->
-<g id="node11" class="node">
-<title>u15</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="823" cy="-486.95" rx="30.59" ry="18"/>
-<text text-anchor="middle" x="823" y="-483.25" font-family="Times-Roman" font-size="14.00">Utils</text>
-</g>
-<!-- u15&#45;&gt;u12 -->
-<g id="edge22" class="edge">
-<title>u15&#45;&gt;u12</title>
-<path fill="none" stroke="black" d="M803.42,-472.71C797.8,-468.92 791.66,-464.77 786,-460.95 761.96,-444.74 734.59,-426.31 714.9,-413.05"/>
-<polygon fill="black" stroke="black" points="716.68,-410.03 706.43,-407.35 712.77,-415.84 716.68,-410.03"/>
-</g>
-<!-- u15&#45;&gt;u11 -->
-<g id="edge21" class="edge">
-<title>u15&#45;&gt;u11</title>
-<path fill="none" stroke="black" d="M805.88,-471.91C799.92,-467.72 792.97,-463.55 786,-460.95 723.08,-437.5 693.45,-477.7 636,-442.95 627.23,-437.65 620.23,-429.02 614.98,-420.54"/>
-<polygon fill="black" stroke="black" points="617.89,-418.57 609.96,-411.54 611.78,-421.98 617.89,-418.57"/>
-</g>
-<!-- u6&#45;&gt;u3 -->
-<g id="edge23" class="edge">
-<title>u6&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M608.52,-470.77C594.78,-463.16 578.53,-453.36 565,-442.95 527.38,-414.03 523.93,-400.08 489,-367.95 479.95,-359.63 474.21,-360.56 468,-349.95 450.82,-320.62 469.18,-304.85 453,-274.95 446.44,-262.83 436.18,-251.74 426.36,-242.87"/>
-<polygon fill="black" stroke="black" points="428.53,-240.12 418.66,-236.26 423.97,-245.43 428.53,-240.12"/>
-</g>
-<!-- u8 -->
-<g id="node14" class="node">
-<title>u8</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="618" cy="-139.95" rx="42.49" ry="18"/>
-<text text-anchor="middle" x="618" y="-136.25" font-family="Times-Roman" font-size="14.00">Logger</text>
-</g>
-<!-- u7&#45;&gt;u8 -->
-<g id="edge25" class="edge">
-<title>u7&#45;&gt;u8</title>
-<path fill="none" stroke="black" stroke-dasharray="5,2" d="M618,-202.81C618,-192.67 618,-179.59 618,-168.07"/>
-<polygon fill="black" stroke="black" points="621.5,-168.06 618,-158.06 614.5,-168.06 621.5,-168.06"/>
-</g>
-<!-- u2 -->
-<g id="node17" class="node">
-<title>u2</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="520" cy="-300.95" rx="37.89" ry="18"/>
-<text text-anchor="middle" x="520" y="-297.25" font-family="Times-Roman" font-size="14.00">Errors</text>
-</g>
-<!-- u7&#45;&gt;u2 -->
-<g id="edge24" class="edge">
-<title>u7&#45;&gt;u2</title>
-<path fill="none" stroke="black" d="M598.83,-237.21C584.07,-248.96 563.49,-265.34 547.06,-278.42"/>
-<polygon fill="black" stroke="black" points="544.54,-275.95 538.9,-284.91 548.9,-281.43 544.54,-275.95"/>
-</g>
-<!-- u8&#45;&gt;u4 -->
-<g id="edge26" class="edge">
-<title>u8&#45;&gt;u4</title>
-<path fill="none" stroke="black" d="M576.88,-144.38C511.17,-150.66 386.55,-166.09 354,-194.95 331.93,-214.52 323.74,-248.37 320.73,-272.34"/>
-<polygon fill="black" stroke="black" points="317.22,-272.27 319.67,-282.57 324.18,-272.99 317.22,-272.27"/>
-</g>
-<!-- u8&#45;&gt;u9 -->
-<g id="edge27" class="edge">
-<title>u8&#45;&gt;u9</title>
-<path fill="none" stroke="black" stroke-dasharray="5,2" d="M637.21,-156.09C648.59,-166.01 662.41,-179.89 671,-194.95 684.9,-219.32 692.1,-250.8 695.69,-272.91"/>
-<polygon fill="black" stroke="black" points="692.25,-273.56 697.18,-282.94 699.17,-272.53 692.25,-273.56"/>
-</g>
-<!-- u8&#45;&gt;u10 -->
-<g id="edge28" class="edge">
-<title>u8&#45;&gt;u10</title>
-<path fill="none" stroke="black" d="M618,-121.56C618,-110.73 618,-96.56 618,-84.25"/>
-<polygon fill="black" stroke="black" points="621.5,-84.04 618,-74.04 614.5,-84.04 621.5,-84.04"/>
-</g>
-<!-- u11&#45;&gt;u5 -->
-<g id="edge29" class="edge">
-<title>u11&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M575.99,-387.58C537.44,-379.55 469,-363.89 448,-349.95 439.06,-344.02 431.26,-335.31 425.1,-326.92"/>
-<polygon fill="black" stroke="black" points="427.82,-324.71 419.28,-318.44 422.05,-328.67 427.82,-324.71"/>
-</g>
-<!-- u0 -->
-<g id="node16" class="node">
-<title>u0</title>
-<ellipse fill="#bbffbb" stroke="black" stroke-width="2" cx="627" cy="-605.95" rx="42.49" ry="18"/>
-<text text-anchor="middle" x="627" y="-602.25" font-family="Times-Roman" font-size="14.00">GHCup</text>
-</g>
-<!-- u0&#45;&gt;u1 -->
-<g id="edge4" class="edge">
-<title>u0&#45;&gt;u1</title>
-<path fill="none" stroke="black" d="M584.67,-604.4C545.83,-602.07 488.09,-593.82 446,-566.95 425.91,-554.13 410.22,-531.89 400.09,-514.27"/>
-<polygon fill="black" stroke="black" points="402.91,-512.13 395.04,-505.04 396.77,-515.5 402.91,-512.13"/>
-</g>
-<!-- u0&#45;&gt;u16 -->
-<g id="edge6" class="edge">
-<title>u0&#45;&gt;u16</title>
-<path fill="none" stroke="black" d="M663.33,-596.57C681.18,-590.83 701.84,-581.54 716,-566.95 729.77,-552.77 737.62,-531.76 741.97,-514.97"/>
-<polygon fill="black" stroke="black" points="745.4,-515.69 744.26,-505.16 738.58,-514.11 745.4,-515.69"/>
-</g>
-<!-- u0&#45;&gt;u15 -->
-<g id="edge5" class="edge">
-<title>u0&#45;&gt;u15</title>
-<path fill="none" stroke="black" d="M669.23,-604.64C704.08,-602.27 753,-593.85 786,-566.95 801.95,-553.96 811.39,-532.52 816.74,-515.25"/>
-<polygon fill="black" stroke="black" points="820.24,-515.72 819.56,-505.15 813.5,-513.84 820.24,-515.72"/>
-</g>
-<!-- u14 -->
-<g id="node19" class="node">
-<title>u14</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="508" cy="-486.95" rx="48.19" ry="18"/>
-<text text-anchor="middle" x="508" y="-483.25" font-family="Times-Roman" font-size="14.00">Platform</text>
-</g>
-<!-- u0&#45;&gt;u14 -->
-<g id="edge3" class="edge">
-<title>u0&#45;&gt;u14</title>
-<path fill="none" stroke="black" d="M599.25,-592.23C586.98,-585.76 572.9,-577.11 562,-566.95 545.64,-551.71 531.56,-530.66 521.88,-514.12"/>
-<polygon fill="black" stroke="black" points="524.68,-511.96 516.71,-504.98 518.59,-515.41 524.68,-511.96"/>
-</g>
-<!-- u2&#45;&gt;u3 -->
-<g id="edge7" class="edge">
-<title>u2&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M498.37,-286.01C479.01,-273.53 450.45,-255.12 428.91,-241.23"/>
-<polygon fill="black" stroke="black" points="430.75,-238.25 420.45,-235.78 426.95,-244.14 430.75,-238.25"/>
-</g>
-<!-- u13&#45;&gt;u3 -->
-<g id="edge8" class="edge">
-<title>u13&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M144.85,-290.31C198.89,-275.78 300.93,-248.33 357.9,-233.01"/>
-<polygon fill="black" stroke="black" points="358.91,-236.36 367.66,-230.38 357.09,-229.6 358.91,-236.36"/>
-</g>
-<!-- u14&#45;&gt;u5 -->
-<g id="edge9" class="edge">
-<title>u14&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M492.36,-469.49C485.88,-461.9 478.78,-452.48 474,-442.95 458.54,-412.12 468.2,-399.39 454,-367.95 447.34,-353.21 437.53,-338.1 428.85,-326.06"/>
-<polygon fill="black" stroke="black" points="431.57,-323.84 422.81,-317.89 425.94,-328.01 431.57,-323.84"/>
-</g>
-<!-- u14&#45;&gt;u12 -->
-<g id="edge10" class="edge">
-<title>u14&#45;&gt;u12</title>
-<path fill="none" stroke="black" d="M534.95,-471.89C543.43,-467.9 552.95,-463.86 562,-460.95 602.92,-447.83 621.35,-466.95 657,-442.95 665.13,-437.48 671.61,-429.08 676.49,-420.83"/>
-<polygon fill="black" stroke="black" points="679.72,-422.21 681.33,-411.74 673.54,-418.92 679.72,-422.21"/>
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-<!-- u18 -->
-<g id="node20" class="node">
-<title>u18</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="109" cy="-393.95" rx="73.39" ry="18"/>
-<text text-anchor="middle" x="109" y="-390.25" font-family="Times-Roman" font-size="14.00">Requirements</text>
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-<!-- u18&#45;&gt;u5 -->
-<g id="edge12" class="edge">
-<title>u18&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M147.73,-378.58C159.84,-374.58 173.34,-370.6 186,-367.95 265.56,-351.31 295.73,-387.15 368,-349.95 378.45,-344.58 387.45,-335.41 394.41,-326.53"/>
-<polygon fill="black" stroke="black" points="397.39,-328.37 400.44,-318.22 391.73,-324.26 397.39,-328.37"/>
-</g>
-<!-- u18&#45;&gt;u13 -->
-<g id="edge11" class="edge">
-<title>u18&#45;&gt;u13</title>
-<path fill="none" stroke="black" d="M109,-375.84C109,-362.75 109,-344.43 109,-329.32"/>
-<polygon fill="black" stroke="black" points="112.5,-328.99 109,-318.99 105.5,-328.99 112.5,-328.99"/>
-</g>
-<!-- u20 -->
-<g id="node21" class="node">
-<title>u20</title>
-<ellipse fill="#bbffbb" stroke="black" stroke-width="0" cx="627" cy="-769.95" rx="32.49" ry="18"/>
-<text text-anchor="middle" x="627" y="-766.25" font-family="Times-Roman" font-size="14.00">Main</text>
 </g>
 <!-- u21 -->
-<g id="node22" class="node">
+<g id="node4" class="node">
 <title>u21</title>
-<ellipse fill="#bbffbb" stroke="black" stroke-width="0" cx="627" cy="-689.95" rx="46.29" ry="18"/>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="742" cy="-1215.99" rx="51.99" ry="18"/>
-<text text-anchor="middle" x="627" y="-686.25" font-family="Times-Roman" font-size="14.00">Validate</text>
+<text text-anchor="middle" x="742" y="-1212.29" font-family="Times-Roman" font-size="14.00">OptParse</text>
+</g>
+<!-- u23 -->
+<g id="node6" class="node">
+<title>u23</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="846" cy="-1098.99" rx="38.19" ry="18"/>
+<text text-anchor="middle" x="846" y="-1095.29" font-family="Times-Roman" font-size="14.00">Install</text>
+</g>
+<!-- u21&#45;&gt;u23 -->
+<g id="edge16" class="edge">
+<title>u21&#45;&gt;u23</title>
+<path fill="none" stroke="black" d="M756.9,-1198.51C774.61,-1178.93 804.29,-1146.11 824.49,-1123.77"/>
+<polygon fill="black" stroke="black" points="827.35,-1125.83 831.46,-1116.07 822.16,-1121.13 827.35,-1125.83"/>
+</g>
+<!-- u24 -->
+<g id="node7" class="node">
+<title>u24</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="929" cy="-1098.99" rx="27" ry="18"/>
+<text text-anchor="middle" x="929" y="-1095.29" font-family="Times-Roman" font-size="14.00">Set</text>
+</g>
+<!-- u21&#45;&gt;u24 -->
+<g id="edge17" class="edge">
+<title>u21&#45;&gt;u24</title>
+<path fill="none" stroke="black" d="M766.45,-1199.96C801.13,-1178.63 864.45,-1139.69 900.98,-1117.22"/>
+<polygon fill="black" stroke="black" points="902.97,-1120.1 909.66,-1111.88 899.31,-1114.14 902.97,-1120.1"/>
+</g>
+<!-- u25 -->
+<g id="node8" class="node">
+<title>u25</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1197" cy="-1098.99" rx="38.19" ry="18"/>
+<text text-anchor="middle" x="1197" y="-1095.29" font-family="Times-Roman" font-size="14.00">UnSet</text>
+</g>
+<!-- u21&#45;&gt;u25 -->
+<g id="edge18" class="edge">
+<title>u21&#45;&gt;u25</title>
+<path fill="none" stroke="black" d="M785.46,-1206.08C860.33,-1190.39 1018.18,-1155.79 1149,-1116.99 1152.09,-1116.07 1155.28,-1115.07 1158.47,-1114.03"/>
+<polygon fill="black" stroke="black" points="1159.62,-1117.34 1167.97,-1110.82 1157.37,-1110.7 1159.62,-1117.34"/>
+</g>
+<!-- u26 -->
+<g id="node9" class="node">
+<title>u26</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1001" cy="-1098.99" rx="27" ry="18"/>
+<text text-anchor="middle" x="1001" y="-1095.29" font-family="Times-Roman" font-size="14.00">Rm</text>
+</g>
+<!-- u21&#45;&gt;u26 -->
+<g id="edge19" class="edge">
+<title>u21&#45;&gt;u26</title>
+<path fill="none" stroke="black" d="M773.51,-1201.46C816.81,-1182.8 897.08,-1147.94 965,-1116.99 966.79,-1116.17 968.63,-1115.33 970.49,-1114.47"/>
+<polygon fill="black" stroke="black" points="972.15,-1117.56 979.72,-1110.15 969.18,-1111.21 972.15,-1117.56"/>
+</g>
+<!-- u27 -->
+<g id="node10" class="node">
+<title>u27</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1093" cy="-1098.99" rx="47.39" ry="18"/>
+<text text-anchor="middle" x="1093" y="-1095.29" font-family="Times-Roman" font-size="14.00">Compile</text>
+</g>
+<!-- u21&#45;&gt;u27 -->
+<g id="edge20" class="edge">
+<title>u21&#45;&gt;u27</title>
+<path fill="none" stroke="black" d="M778.57,-1203.01C843.42,-1181.76 978.33,-1137.56 1048.47,-1114.58"/>
+<polygon fill="black" stroke="black" points="1049.92,-1117.79 1058.34,-1111.35 1047.74,-1111.13 1049.92,-1117.79"/>
+</g>
+<!-- u28 -->
+<g id="node11" class="node">
+<title>u28</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="64" cy="-1098.99" rx="40.09" ry="18"/>
+<text text-anchor="middle" x="64" y="-1095.29" font-family="Times-Roman" font-size="14.00">Config</text>
+</g>
+<!-- u21&#45;&gt;u28 -->
+<g id="edge21" class="edge">
+<title>u21&#45;&gt;u28</title>
+<path fill="none" stroke="black" d="M692.47,-1210.33C585.48,-1199.59 325.33,-1169.91 113,-1116.99 109.85,-1116.21 106.62,-1115.31 103.4,-1114.34"/>
+<polygon fill="black" stroke="black" points="104.39,-1110.98 93.8,-1111.28 102.27,-1117.65 104.39,-1110.98"/>
+</g>
+<!-- u29 -->
+<g id="node12" class="node">
+<title>u29</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="415" cy="-1098.99" rx="46.59" ry="18"/>
+<text text-anchor="middle" x="415" y="-1095.29" font-family="Times-Roman" font-size="14.00">Whereis</text>
+</g>
+<!-- u21&#45;&gt;u29 -->
+<g id="edge22" class="edge">
+<title>u21&#45;&gt;u29</title>
+<path fill="none" stroke="black" d="M706.69,-1202.57C646.37,-1181.36 523.67,-1138.21 458.29,-1115.21"/>
+<polygon fill="black" stroke="black" points="459.28,-1111.85 448.69,-1111.84 456.96,-1118.46 459.28,-1111.85"/>
+</g>
+<!-- u30 -->
+<g id="node13" class="node">
+<title>u30</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="507" cy="-1098.99" rx="27" ry="18"/>
+<text text-anchor="middle" x="507" y="-1095.29" font-family="Times-Roman" font-size="14.00">List</text>
+</g>
+<!-- u21&#45;&gt;u30 -->
+<g id="edge23" class="edge">
+<title>u21&#45;&gt;u30</title>
+<path fill="none" stroke="black" d="M713.18,-1200.89C668.44,-1178.99 582.69,-1137.03 537.15,-1114.75"/>
+<polygon fill="black" stroke="black" points="538.6,-1111.55 528.07,-1110.3 535.52,-1117.84 538.6,-1111.55"/>
+</g>
+<!-- u31 -->
+<g id="node14" class="node">
+<title>u31</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1303" cy="-1098.99" rx="50.09" ry="18"/>
+<text text-anchor="middle" x="1303" y="-1095.29" font-family="Times-Roman" font-size="14.00">Upgrade</text>
+</g>
+<!-- u21&#45;&gt;u31 -->
+<g id="edge24" class="edge">
+<title>u21&#45;&gt;u31</title>
+<path fill="none" stroke="black" d="M787.97,-1207.41C876.68,-1192.47 1077.4,-1157.17 1244,-1116.99 1248.02,-1116.02 1252.18,-1114.95 1256.34,-1113.84"/>
+<polygon fill="black" stroke="black" points="1257.28,-1117.21 1265.99,-1111.19 1255.42,-1110.46 1257.28,-1117.21"/>
+</g>
+<!-- u32 -->
+<g id="node15" class="node">
+<title>u32</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="614" cy="-1098.99" rx="61.99" ry="18"/>
+<text text-anchor="middle" x="614" y="-1095.29" font-family="Times-Roman" font-size="14.00">ChangeLog</text>
+</g>
+<!-- u21&#45;&gt;u32 -->
+<g id="edge25" class="edge">
+<title>u21&#45;&gt;u32</title>
+<path fill="none" stroke="black" d="M724.2,-1199C702.26,-1179.29 664.8,-1145.63 639.73,-1123.11"/>
+<polygon fill="black" stroke="black" points="641.84,-1120.29 632.06,-1116.21 637.16,-1125.5 641.84,-1120.29"/>
+</g>
+<!-- u33 -->
+<g id="node16" class="node">
+<title>u33</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="742" cy="-1098.99" rx="48.19" ry="18"/>
+<text text-anchor="middle" x="742" y="-1095.29" font-family="Times-Roman" font-size="14.00">Prefetch</text>
+</g>
+<!-- u21&#45;&gt;u33 -->
+<g id="edge26" class="edge">
+<title>u21&#45;&gt;u33</title>
+<path fill="none" stroke="black" d="M742,-1197.52C742,-1178.93 742,-1149.23 742,-1127.49"/>
+<polygon fill="black" stroke="black" points="745.5,-1127.24 742,-1117.24 738.5,-1127.24 745.5,-1127.24"/>
+</g>
+<!-- u34 -->
+<g id="node17" class="node">
+<title>u34</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="235" cy="-1098.99" rx="27" ry="18"/>
+<text text-anchor="middle" x="235" y="-1095.29" font-family="Times-Roman" font-size="14.00">GC</text>
+</g>
+<!-- u21&#45;&gt;u34 -->
+<g id="edge27" class="edge">
+<title>u21&#45;&gt;u34</title>
+<path fill="none" stroke="black" d="M694.23,-1208.86C608.04,-1196.96 421.48,-1167.38 271,-1116.99 269.08,-1116.35 267.13,-1115.63 265.19,-1114.86"/>
+<polygon fill="black" stroke="black" points="266.16,-1111.47 255.6,-1110.73 263.4,-1117.9 266.16,-1111.47"/>
+</g>
+<!-- u35 -->
+<g id="node18" class="node">
+<title>u35</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="315" cy="-1098.99" rx="35.19" ry="18"/>
+<text text-anchor="middle" x="315" y="-1095.29" font-family="Times-Roman" font-size="14.00">DInfo</text>
+</g>
+<!-- u21&#45;&gt;u35 -->
+<g id="edge28" class="edge">
+<title>u21&#45;&gt;u35</title>
+<path fill="none" stroke="black" d="M699.03,-1205.74C627.68,-1189.99 480.59,-1155.89 359,-1116.99 356.46,-1116.18 353.84,-1115.29 351.23,-1114.37"/>
+<polygon fill="black" stroke="black" points="352.41,-1111.08 341.81,-1110.93 350,-1117.65 352.41,-1111.08"/>
+</g>
+<!-- u36 -->
+<g id="node19" class="node">
+<title>u36</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1461" cy="-1098.99" rx="90.18" ry="18"/>
+<text text-anchor="middle" x="1461" y="-1095.29" font-family="Times-Roman" font-size="14.00">ToolRequirements</text>
+</g>
+<!-- u21&#45;&gt;u36 -->
+<g id="edge29" class="edge">
+<title>u21&#45;&gt;u36</title>
+<path fill="none" stroke="black" d="M788.7,-1207.83C892.07,-1191.92 1148.03,-1152.27 1362,-1116.99 1369.56,-1115.74 1377.44,-1114.42 1385.32,-1113.09"/>
+<polygon fill="black" stroke="black" points="1385.98,-1116.53 1395.25,-1111.41 1384.81,-1109.63 1385.98,-1116.53"/>
+</g>
+<!-- u37 -->
+<g id="node20" class="node">
+<title>u37</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="156" cy="-1098.99" rx="33.6" ry="18"/>
+<text text-anchor="middle" x="156" y="-1095.29" font-family="Times-Roman" font-size="14.00">Nuke</text>
+</g>
+<!-- u21&#45;&gt;u37 -->
+<g id="edge30" class="edge">
+<title>u21&#45;&gt;u37</title>
+<path fill="none" stroke="black" d="M693.33,-1209.49C597.41,-1197.93 377.73,-1167.91 199,-1116.99 196.41,-1116.25 193.76,-1115.42 191.12,-1114.52"/>
+<polygon fill="black" stroke="black" points="192.23,-1111.2 181.64,-1111.08 189.84,-1117.78 192.23,-1111.2"/>
+</g>
+<!-- u22 -->
+<g id="node5" class="node">
+<title>u22</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="742" cy="-981.99" rx="51.19" ry="18"/>
+<text text-anchor="middle" x="742" y="-978.29" font-family="Times-Roman" font-size="14.00">Common</text>
+</g>
+<!-- u0 -->
+<g id="node33" class="node">
+<title>u0</title>
+<ellipse fill="#bbffbb" stroke="black" stroke-width="2" cx="705" cy="-864.99" rx="42.49" ry="18"/>
+<text text-anchor="middle" x="705" y="-861.29" font-family="Times-Roman" font-size="14.00">GHCup</text>
+</g>
+<!-- u22&#45;&gt;u0 -->
+<g id="edge31" class="edge">
+<title>u22&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M736.54,-964.02C730.5,-945.25 720.69,-914.76 713.61,-892.76"/>
+<polygon fill="black" stroke="black" points="716.88,-891.48 710.48,-883.03 710.21,-893.62 716.88,-891.48"/>
+</g>
+<!-- u23&#45;&gt;u22 -->
+<g id="edge32" class="edge">
+<title>u23&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M831.54,-1082C813.97,-1062.57 784.14,-1029.59 763.78,-1007.08"/>
+<polygon fill="black" stroke="black" points="766.31,-1004.66 757.01,-999.59 761.12,-1009.35 766.31,-1004.66"/>
+</g>
+<!-- u24&#45;&gt;u22 -->
+<g id="edge33" class="edge">
+<title>u24&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M909.69,-1086.12C877.99,-1066.62 814.52,-1027.58 775.4,-1003.53"/>
+<polygon fill="black" stroke="black" points="776.84,-1000.31 766.49,-998.05 773.18,-1006.27 776.84,-1000.31"/>
+</g>
+<!-- u25&#45;&gt;u0 -->
+<g id="edge34" class="edge">
+<title>u25&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M1170.9,-1085.68C1088.88,-1047.01 836.24,-927.88 741.44,-883.17"/>
+<polygon fill="black" stroke="black" points="742.78,-879.94 732.24,-878.84 739.8,-886.27 742.78,-879.94"/>
+</g>
+<!-- u26&#45;&gt;u22 -->
+<g id="edge35" class="edge">
+<title>u26&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M979.72,-1087.83C974.89,-1085.55 969.78,-1083.17 965,-1080.99 901.54,-1052.07 827.31,-1019.75 782.51,-1000.4"/>
+<polygon fill="black" stroke="black" points="783.71,-997.11 773.14,-996.36 780.94,-1003.53 783.71,-997.11"/>
+</g>
+<!-- u27&#45;&gt;u22 -->
+<g id="edge36" class="edge">
+<title>u27&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M1058.38,-1086.65C994.71,-1065.79 859,-1021.32 787.79,-997.99"/>
+<polygon fill="black" stroke="black" points="788.78,-994.63 778.19,-994.85 786.6,-1001.29 788.78,-994.63"/>
+</g>
+<!-- u15 -->
+<g id="node28" class="node">
+<title>u15</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="705" cy="-571.99" rx="30.59" ry="18"/>
+<text text-anchor="middle" x="705" y="-568.29" font-family="Times-Roman" font-size="14.00">Utils</text>
+</g>
+<!-- u28&#45;&gt;u15 -->
+<g id="edge37" class="edge">
+<title>u28&#45;&gt;u15</title>
+<path fill="none" stroke="black" d="M67.99,-1080.83C82.87,-1020.89 141.11,-819.44 271,-725.99 416.7,-621.17 526.05,-761.83 668,-651.99 684.52,-639.21 693.98,-617.26 699.19,-599.74"/>
+<polygon fill="black" stroke="black" points="702.58,-600.61 701.79,-590.04 695.82,-598.8 702.58,-600.61"/>
+</g>
+<!-- u29&#45;&gt;u22 -->
+<g id="edge38" class="edge">
+<title>u29&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M448.46,-1086.22C507.6,-1065.42 630.64,-1022.15 697.09,-998.78"/>
+<polygon fill="black" stroke="black" points="698.59,-1001.97 706.86,-995.35 696.27,-995.36 698.59,-1001.97"/>
+</g>
+<!-- u30&#45;&gt;u22 -->
+<g id="edge39" class="edge">
+<title>u30&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M528.27,-1087.58C568.07,-1068.1 654.29,-1025.91 704.21,-1001.48"/>
+<polygon fill="black" stroke="black" points="705.94,-1004.53 713.38,-996.99 702.86,-998.25 705.94,-1004.53"/>
+</g>
+<!-- u31&#45;&gt;u0 -->
+<g id="edge40" class="edge">
+<title>u31&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M1271.29,-1084.99C1209.35,-1059.66 1067.86,-1002.15 948,-955.99 877.11,-928.69 794.01,-898.24 745.65,-880.68"/>
+<polygon fill="black" stroke="black" points="746.76,-877.36 736.17,-877.24 744.37,-883.94 746.76,-877.36"/>
+</g>
+<!-- u32&#45;&gt;u22 -->
+<g id="edge41" class="edge">
+<title>u32&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M632.07,-1081.76C654.08,-1061.98 691.42,-1028.44 716.39,-1006"/>
+<polygon fill="black" stroke="black" points="718.92,-1008.43 724.02,-999.14 714.25,-1003.22 718.92,-1008.43"/>
+</g>
+<!-- u33&#45;&gt;u22 -->
+<g id="edge42" class="edge">
+<title>u33&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M742,-1080.52C742,-1061.93 742,-1032.23 742,-1010.49"/>
+<polygon fill="black" stroke="black" points="745.5,-1010.24 742,-1000.24 738.5,-1010.24 745.5,-1010.24"/>
+</g>
+<!-- u34&#45;&gt;u0 -->
+<g id="edge43" class="edge">
+<title>u34&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M253.73,-1086.02C294.34,-1060.34 393.93,-998.82 482,-955.99 543.91,-925.88 618.59,-897.22 663.9,-880.63"/>
+<polygon fill="black" stroke="black" points="665.18,-883.89 673.38,-877.18 662.79,-877.31 665.18,-883.89"/>
+</g>
+<!-- u35&#45;&gt;u0 -->
+<g id="edge44" class="edge">
+<title>u35&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M337.09,-1084.85C402.43,-1045.98 595.06,-931.39 672.36,-885.41"/>
+<polygon fill="black" stroke="black" points="674.39,-888.27 681.2,-880.15 670.81,-882.25 674.39,-888.27"/>
+</g>
+<!-- u14 -->
+<g id="node36" class="node">
+<title>u14</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="934" cy="-743.99" rx="48.19" ry="18"/>
+<text text-anchor="middle" x="934" y="-740.29" font-family="Times-Roman" font-size="14.00">Platform</text>
+</g>
+<!-- u36&#45;&gt;u14 -->
+<g id="edge45" class="edge">
+<title>u36&#45;&gt;u14</title>
+<path fill="none" stroke="black" d="M1436.29,-1081.44C1349.76,-1023.48 1060.5,-829.72 964.94,-765.71"/>
+<polygon fill="black" stroke="black" points="966.82,-762.76 956.56,-760.1 962.93,-768.58 966.82,-762.76"/>
+</g>
+<!-- u18 -->
+<g id="node37" class="node">
+<title>u18</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="1461" cy="-743.99" rx="73.39" ry="18"/>
+<text text-anchor="middle" x="1461" y="-740.29" font-family="Times-Roman" font-size="14.00">Requirements</text>
+</g>
+<!-- u36&#45;&gt;u18 -->
+<g id="edge46" class="edge">
+<title>u36&#45;&gt;u18</title>
+<path fill="none" stroke="black" d="M1461,-1080.96C1461,-1024.36 1461,-842.13 1461,-772.44"/>
+<polygon fill="black" stroke="black" points="1464.5,-772.26 1461,-762.26 1457.5,-772.26 1464.5,-772.26"/>
+</g>
+<!-- u37&#45;&gt;u0 -->
+<g id="edge47" class="edge">
+<title>u37&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M175.44,-1084.01C214.9,-1056.2 307.95,-993.37 394,-955.99 483.86,-916.95 595.52,-889.35 657.64,-875.71"/>
+<polygon fill="black" stroke="black" points="658.52,-879.1 667.55,-873.56 657.03,-872.26 658.52,-879.1"/>
+</g>
+<!-- u3 -->
+<g id="node21" class="node">
+<title>u3</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="1257" cy="-319.99" rx="36.29" ry="18"/>
+<text text-anchor="middle" x="1257" y="-316.29" font-family="Times-Roman" font-size="14.00">Types</text>
+</g>
+<!-- u4 -->
+<g id="node22" class="node">
+<title>u4</title>
+<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="1329" cy="-436.99" rx="39.79" ry="18"/>
+<text text-anchor="middle" x="1329" y="-433.29" font-family="Times-Roman" font-size="14.00">Optics</text>
+</g>
+<!-- u4&#45;&gt;u3 -->
+<g id="edge48" class="edge">
+<title>u4&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M1318.68,-419.51C1306.65,-400.3 1286.64,-368.33 1272.68,-346.04"/>
+<polygon fill="black" stroke="black" points="1275.57,-344.05 1267.3,-337.44 1269.64,-347.77 1275.57,-344.05"/>
+</g>
+<!-- u6 -->
+<g id="node29" class="node">
+<title>u6</title>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="934" cy="-571.99" rx="64.19" ry="18"/>
+<text text-anchor="middle" x="934" y="-568.29" font-family="Times-Roman" font-size="14.00">MegaParsec</text>
+</g>
+<!-- u5&#45;&gt;u6 -->
+<g id="edge49" class="edge">
+<title>u5&#45;&gt;u6</title>
+<path fill="none" stroke="black" d="M1225.64,-453.75C1216.72,-464.19 1203.86,-477.47 1190,-485.99 1117.08,-530.81 1088.16,-518.79 1007,-545.99 999.06,-548.65 990.64,-551.5 982.45,-554.3"/>
+<polygon fill="black" stroke="black" points="981.32,-550.99 972.99,-557.53 983.58,-557.61 981.32,-550.99"/>
+</g>
+<!-- u7 -->
+<g id="node30" class="node">
+<title>u7</title>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="1030" cy="-319.99" rx="44.39" ry="18"/>
+<text text-anchor="middle" x="1030" y="-316.29" font-family="Times-Roman" font-size="14.00">Prelude</text>
+</g>
+<!-- u5&#45;&gt;u7 -->
+<g id="edge50" class="edge">
+<title>u5&#45;&gt;u7</title>
+<path fill="none" stroke="black" d="M1218.11,-422.39C1212.34,-418.59 1205.98,-414.53 1200,-410.99 1154.95,-384.33 1101.33,-356.57 1066.52,-339.06"/>
+<polygon fill="black" stroke="black" points="1067.74,-335.75 1057.23,-334.4 1064.6,-342.01 1067.74,-335.75"/>
+</g>
+<!-- u9 -->
+<g id="node25" class="node">
+<title>u9</title>
+<ellipse fill="#77ff77" stroke="black" stroke-width="0" cx="803" cy="-436.99" rx="51.19" ry="18"/>
+<text text-anchor="middle" x="803" y="-433.29" font-family="Times-Roman" font-size="14.00">Common</text>
+</g>
+<!-- u12&#45;&gt;u9 -->
+<g id="edge59" class="edge">
+<title>u12&#45;&gt;u9</title>
+<path fill="none" stroke="black" d="M822.17,-553.87C818.46,-531.43 811.9,-491.79 807.5,-465.2"/>
+<polygon fill="black" stroke="black" points="810.91,-464.33 805.82,-455.04 804,-465.48 810.91,-464.33"/>
+</g>
+<!-- u9&#45;&gt;u7 -->
+<g id="edge60" class="edge">
+<title>u9&#45;&gt;u7</title>
+<path fill="none" stroke="black" d="M831.29,-421.66C872.57,-400.75 949.27,-361.89 994.36,-339.05"/>
+<polygon fill="black" stroke="black" points="996.13,-342.07 1003.47,-334.43 992.97,-335.83 996.13,-342.07"/>
+</g>
+<!-- u10 -->
+<g id="node26" class="node">
+<title>u10</title>
+<ellipse fill="#ffff77" stroke="black" stroke-width="0" cx="1030" cy="-80.99" rx="27" ry="18"/>
+<text text-anchor="middle" x="1030" y="-77.29" font-family="Times-Roman" font-size="14.00">QQ</text>
+</g>
+<!-- u16 -->
+<g id="node27" class="node">
+<title>u16</title>
+<ellipse fill="#7777ff" stroke="black" stroke-width="0" cx="629" cy="-571.99" rx="27" ry="18"/>
+<text text-anchor="middle" x="629" y="-568.29" font-family="Times-Roman" font-size="14.00">QQ</text>
+</g>
+<!-- u15&#45;&gt;u1 -->
+<g id="edge51" class="edge">
+<title>u15&#45;&gt;u1</title>
+<path fill="none" stroke="black" d="M707.81,-589.96C711.74,-608.15 720.7,-636.49 740,-651.99 869.4,-755.91 944.8,-686.54 1106,-725.99 1109.21,-726.78 1112.51,-727.62 1115.82,-728.5"/>
+<polygon fill="black" stroke="black" points="1115.2,-731.95 1125.77,-731.2 1117.04,-725.2 1115.2,-731.95"/>
+</g>
+<!-- u6&#45;&gt;u3 -->
+<g id="edge52" class="edge">
+<title>u6&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M972.89,-557.62C1042.12,-533.81 1179.56,-486.5 1180,-485.99 1202.36,-460.38 1181.75,-442.3 1195,-410.99 1205.36,-386.51 1222.94,-361.88 1236.75,-344.58"/>
+<polygon fill="black" stroke="black" points="1239.56,-346.68 1243.17,-336.72 1234.13,-342.25 1239.56,-346.68"/>
+</g>
+<!-- u8 -->
+<g id="node31" class="node">
+<title>u8</title>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="1030" cy="-202.99" rx="42.49" ry="18"/>
+<text text-anchor="middle" x="1030" y="-199.29" font-family="Times-Roman" font-size="14.00">Logger</text>
+</g>
+<!-- u7&#45;&gt;u8 -->
+<g id="edge54" class="edge">
+<title>u7&#45;&gt;u8</title>
+<path fill="none" stroke="black" stroke-dasharray="5,2" d="M1030,-301.52C1030,-282.93 1030,-253.23 1030,-231.49"/>
+<polygon fill="black" stroke="black" points="1033.5,-231.24 1030,-221.24 1026.5,-231.24 1033.5,-231.24"/>
+</g>
+<!-- u2 -->
+<g id="node34" class="node">
+<title>u2</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="1128" cy="-436.99" rx="37.89" ry="18"/>
+<text text-anchor="middle" x="1128" y="-433.29" font-family="Times-Roman" font-size="14.00">Errors</text>
+</g>
+<!-- u7&#45;&gt;u2 -->
+<g id="edge53" class="edge">
+<title>u7&#45;&gt;u2</title>
+<path fill="none" stroke="black" d="M1043.83,-337.21C1060.5,-356.78 1088.66,-389.83 1107.78,-412.26"/>
+<polygon fill="black" stroke="black" points="1105.22,-414.66 1114.37,-420 1110.55,-410.12 1105.22,-414.66"/>
+</g>
+<!-- u8&#45;&gt;u4 -->
+<g id="edge55" class="edge">
+<title>u8&#45;&gt;u4</title>
+<path fill="none" stroke="black" d="M1072.08,-205.27C1132.49,-209.51 1242.99,-226.65 1302,-293.99 1329.81,-325.73 1332.74,-377.05 1331.47,-408.52"/>
+<polygon fill="black" stroke="black" points="1327.96,-408.58 1330.88,-418.77 1334.95,-408.98 1327.96,-408.58"/>
+</g>
+<!-- u8&#45;&gt;u9 -->
+<g id="edge56" class="edge">
+<title>u8&#45;&gt;u9</title>
+<path fill="none" stroke="black" stroke-dasharray="5,2" d="M1014.36,-219.98C975.12,-260.08 872.38,-365.08 826.14,-412.34"/>
+<polygon fill="black" stroke="black" points="823.45,-410.08 818.96,-419.68 828.46,-414.98 823.45,-410.08"/>
+</g>
+<!-- u8&#45;&gt;u10 -->
+<g id="edge57" class="edge">
+<title>u8&#45;&gt;u10</title>
+<path fill="none" stroke="black" d="M1030,-184.8C1030,-165.1 1030,-132.57 1030,-109.38"/>
+<polygon fill="black" stroke="black" points="1033.5,-109.15 1030,-99.15 1026.5,-109.15 1033.5,-109.15"/>
+</g>
+<!-- u11&#45;&gt;u5 -->
+<g id="edge58" class="edge">
+<title>u11&#45;&gt;u5</title>
+<path fill="none" stroke="black" d="M1062.1,-557.23C1067.11,-553.42 1072.68,-549.4 1078,-545.99 1125.54,-515.51 1144.66,-519.65 1190,-485.99 1199.71,-478.78 1209.34,-469.64 1217.41,-461.28"/>
+<polygon fill="black" stroke="black" points="1220.04,-463.58 1224.33,-453.89 1214.94,-458.8 1220.04,-463.58"/>
+</g>
+<!-- u0&#45;&gt;u16 -->
+<g id="edge4" class="edge">
+<title>u0&#45;&gt;u16</title>
+<path fill="none" stroke="black" d="M700.59,-847.09C687.91,-798.57 651.35,-658.57 635.96,-599.64"/>
+<polygon fill="black" stroke="black" points="639.34,-598.73 633.43,-589.94 632.57,-600.5 639.34,-598.73"/>
+</g>
+<!-- u0&#45;&gt;u15 -->
+<g id="edge3" class="edge">
+<title>u0&#45;&gt;u15</title>
+<path fill="none" stroke="black" d="M705,-846.66C705,-797.93 705,-659.45 705,-600.31"/>
+<polygon fill="black" stroke="black" points="708.5,-600.23 705,-590.23 701.5,-600.23 708.5,-600.23"/>
+</g>
+<!-- u0&#45;&gt;u14 -->
+<g id="edge2" class="edge">
+<title>u0&#45;&gt;u14</title>
+<path fill="none" stroke="black" d="M730.82,-850.57C771.64,-829.36 851.2,-788.02 897.73,-763.84"/>
+<polygon fill="black" stroke="black" points="899.59,-766.81 906.85,-759.1 896.37,-760.6 899.59,-766.81"/>
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+<!-- u2&#45;&gt;u3 -->
+<g id="edge5" class="edge">
+<title>u2&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M1145.13,-420.72C1167.39,-400.87 1206.44,-366.06 1232.01,-343.27"/>
+<polygon fill="black" stroke="black" points="1234.66,-345.59 1239.8,-336.32 1230.01,-340.37 1234.66,-345.59"/>
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+<!-- u13&#45;&gt;u3 -->
+<g id="edge6" class="edge">
+<title>u13&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M1413.93,-553.61C1413.03,-522.51 1407.48,-456.35 1378,-410.99 1356.72,-378.25 1319.17,-353.11 1291.53,-337.83"/>
+<polygon fill="black" stroke="black" points="1293.04,-334.67 1282.57,-333.03 1289.73,-340.84 1293.04,-334.67"/>
+</g>
+<!-- u14&#45;&gt;u5 -->
+<g id="edge7" class="edge">
+<title>u14&#45;&gt;u5</title>
+<path fill="none" stroke="black" d="M970.19,-731.9C1005.99,-718.88 1059.19,-693.62 1086,-651.99 1111.67,-612.13 1073.1,-586.34 1098,-545.99 1123.63,-504.44 1152.09,-516.75 1190,-485.99 1199.39,-478.37 1208.96,-469.15 1217.06,-460.83"/>
+<polygon fill="black" stroke="black" points="1219.67,-463.17 1224.04,-453.52 1214.6,-458.34 1219.67,-463.17"/>
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+<!-- u14&#45;&gt;u12 -->
+<g id="edge8" class="edge">
+<title>u14&#45;&gt;u12</title>
+<path fill="none" stroke="black" d="M917.2,-726.88C899.99,-709.65 873.37,-680.88 856,-651.99 846.1,-635.52 838.24,-615.33 832.91,-599.48"/>
+<polygon fill="black" stroke="black" points="836.18,-598.22 829.78,-589.77 829.52,-600.36 836.18,-598.22"/>
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+<!-- u18&#45;&gt;u5 -->
+<g id="edge10" class="edge">
+<title>u18&#45;&gt;u5</title>
+<path fill="none" stroke="black" d="M1467.83,-725.94C1481.37,-689.08 1507.02,-600.87 1467,-545.99 1415.57,-475.47 1352.95,-533.91 1280,-485.99 1270.56,-479.79 1261.98,-470.91 1255.06,-462.47"/>
+<polygon fill="black" stroke="black" points="1257.62,-460.06 1248.74,-454.29 1252.09,-464.34 1257.62,-460.06"/>
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+<!-- u18&#45;&gt;u13 -->
+<g id="edge9" class="edge">
+<title>u18&#45;&gt;u13</title>
+<path fill="none" stroke="black" d="M1456.23,-725.75C1448.05,-696.15 1431.26,-635.42 1421.5,-600.1"/>
+<polygon fill="black" stroke="black" points="1424.75,-598.72 1418.71,-590.02 1418,-600.59 1424.75,-598.72"/>
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+<!-- u20 -->
+<g id="node38" class="node">
+<title>u20</title>
+<ellipse fill="#bbffbb" stroke="black" stroke-width="0" cx="742" cy="-1387.99" rx="32.49" ry="18"/>
+<text text-anchor="middle" x="742" y="-1384.29" font-family="Times-Roman" font-size="14.00">Main</text>
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+<path fill="none" stroke="black" d="M742,-1369.75C742,-1340.15 742,-1279.42 742,-1244.1"/>
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docs/modules_wide.svg

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-<text text-anchor="middle" x="428.85" y="-468.8" font-family="Times-Roman" font-size="14.00">Download</text>
+<text text-anchor="middle" x="1232" y="-533.61" font-family="Times-Roman" font-size="14.00">Download</text>
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+<text text-anchor="middle" x="834" y="-452.43" font-family="Times-Roman" font-size="14.00">Utils</text>
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-<text text-anchor="middle" x="518.39" y="-431.3" font-family="Times-Roman" font-size="14.00">Download</text>
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+<ellipse fill="#ffbbff" stroke="black" stroke-width="2" cx="825" cy="-380.66" rx="27" ry="18"/>
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 <title>u1&#45;&gt;u12</title>
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+<polygon fill="black" stroke="black" points="831.62,-407.99 826.49,-398.73 824.72,-409.17 831.62,-407.99"/>
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-<g id="node15" class="node">
+<g id="node32" class="node">
 <title>u11</title>
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+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="1045" cy="-380.66" rx="28.7" ry="18"/>
-<text text-anchor="middle" x="808.39" y="-348.3" font-family="Times-Roman" font-size="14.00">Dirs</text>
+<text text-anchor="middle" x="1045" y="-376.96" font-family="Times-Roman" font-size="14.00">Dirs</text>
 </g>
 <!-- u1&#45;&gt;u11 -->
-<g id="edge14" class="edge">
+<g id="edge12" class="edge">
 <title>u1&#45;&gt;u11</title>
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-<g id="node18" class="node">
+<g id="node35" class="node">
 <title>u13</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="146.39" cy="-269" rx="44.39" ry="18"/>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="1414" cy="-380.66" rx="44.39" ry="18"/>
-<text text-anchor="middle" x="146.39" y="-265.3" font-family="Times-Roman" font-size="14.00">Version</text>
+<text text-anchor="middle" x="1414" y="-376.96" font-family="Times-Roman" font-size="14.00">Version</text>
 </g>
 <!-- u1&#45;&gt;u13 -->
-<g id="edge13" class="edge">
+<g id="edge11" class="edge">
 <title>u1&#45;&gt;u13</title>
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+<path fill="none" stroke="black" d="M1205.09,-483.12C1212.97,-481.1 1221.21,-479.17 1229,-477.66 1259.12,-471.82 1340.24,-477.32 1366,-460.66 1384.87,-448.45 1397.46,-425.95 1405,-408.08"/>
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 <g id="node2" class="node">
 <title>u17</title>
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+<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="1267" cy="-380.66" rx="30.59" ry="18"/>
-<text text-anchor="middle" x="445.39" y="-348.3" font-family="Times-Roman" font-size="14.00">Utils</text>
+<text text-anchor="middle" x="1267" y="-376.96" font-family="Times-Roman" font-size="14.00">Utils</text>
 </g>
 <!-- u5 -->
-<g id="node6" class="node">
+<g id="node23" class="node">
 <title>u5</title>
-<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="549.39" cy="-269" rx="33.6" ry="18"/>
+<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="1238" cy="-291.66" rx="33.6" ry="18"/>
-<text text-anchor="middle" x="549.39" y="-265.3" font-family="Times-Roman" font-size="14.00">JSON</text>
+<text text-anchor="middle" x="1238" y="-287.96" font-family="Times-Roman" font-size="14.00">JSON</text>
 </g>
 <!-- u17&#45;&gt;u5 -->
-<g id="edge16" class="edge">
+<g id="edge14" class="edge">
 <title>u17&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M463.03,-337.26C479.49,-324.44 504.26,-305.15 523.05,-290.51"/>
+<path fill="none" stroke="black" d="M1261.41,-362.89C1257.3,-350.57 1251.64,-333.58 1246.91,-319.4"/>
-<polygon fill="black" stroke="black" points="525.22,-293.26 530.96,-284.35 520.92,-287.74 525.22,-293.26"/>
+<polygon fill="black" stroke="black" points="1250.16,-318.06 1243.67,-309.68 1243.52,-320.27 1250.16,-318.06"/>
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 <!-- u19 -->
 <g id="node3" class="node">
 <title>u19</title>
-<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="343.39" cy="-435" rx="57.69" ry="18"/>
+<ellipse fill="#bbbbff" stroke="black" stroke-width="0" cx="1296" cy="-495.66" rx="57.69" ry="18"/>
-<text text-anchor="middle" x="343.39" y="-431.3" font-family="Times-Roman" font-size="14.00">IOStreams</text>
+<text text-anchor="middle" x="1296" y="-491.96" font-family="Times-Roman" font-size="14.00">IOStreams</text>
 </g>
 <!-- u19&#45;&gt;u17 -->
-<g id="edge17" class="edge">
+<g id="edge15" class="edge">
 <title>u19&#45;&gt;u17</title>
-<path fill="none" stroke="black" d="M378.72,-420.5C389.55,-415.38 401.06,-408.84 410.39,-401 418.16,-394.47 425.12,-385.87 430.76,-377.75"/>
+<path fill="none" stroke="black" d="M1291.6,-477.5C1286.88,-459.14 1279.35,-429.78 1273.86,-408.39"/>
-<polygon fill="black" stroke="black" points="433.77,-379.54 436.33,-369.25 427.92,-375.7 433.77,-379.54"/>
+<polygon fill="black" stroke="black" points="1277.23,-407.43 1271.35,-398.61 1270.45,-409.17 1277.23,-407.43"/>
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-<g id="node4" class="node">
-<title>u3</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="534.39" cy="-197" rx="36.29" ry="18"/>
-<text text-anchor="middle" x="534.39" y="-193.3" font-family="Times-Roman" font-size="14.00">Types</text>
-</g>
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-<g id="node5" class="node">
-<title>u4</title>
-<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="427.39" cy="-269" rx="39.79" ry="18"/>
-<text text-anchor="middle" x="427.39" y="-265.3" font-family="Times-Roman" font-size="14.00">Optics</text>
-</g>
-<!-- u4&#45;&gt;u3 -->
-<g id="edge18" class="edge">
-<title>u4&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M449.04,-253.83C464.95,-243.42 486.78,-229.15 504.37,-217.64"/>
-<polygon fill="black" stroke="black" points="506.68,-220.31 513.13,-211.91 502.85,-214.45 506.68,-220.31"/>
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-<g id="node12" class="node">
-<title>u6</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="855.39" cy="-435" rx="64.19" ry="18"/>
-<text text-anchor="middle" x="855.39" y="-431.3" font-family="Times-Roman" font-size="14.00">MegaParsec</text>
-</g>
-<!-- u5&#45;&gt;u6 -->
-<g id="edge19" class="edge">
-<title>u5&#45;&gt;u6</title>
-<path fill="none" stroke="black" d="M566.7,-284.68C579.52,-295.01 597.75,-308.62 615.39,-318 624.58,-322.89 630.09,-318.59 637.39,-326 662.15,-351.13 635.32,-379.63 663.39,-401 674.37,-409.36 773.88,-406.14 787.39,-409 795.7,-410.76 804.37,-413.33 812.61,-416.16"/>
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-<!-- u7 -->
-<g id="node13" class="node">
-<title>u7</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="828.39" cy="-197" rx="44.39" ry="18"/>
-<text text-anchor="middle" x="828.39" y="-193.3" font-family="Times-Roman" font-size="14.00">Prelude</text>
-</g>
-<!-- u5&#45;&gt;u7 -->
-<g id="edge20" class="edge">
-<title>u5&#45;&gt;u7</title>
-<path fill="none" stroke="black" d="M567.9,-253.71C573.85,-249.71 580.65,-245.72 587.39,-243 648.94,-218.19 724.91,-206.91 774.9,-201.88"/>
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-</g>
-<!-- u9 -->
-<g id="node8" class="node">
-<title>u9</title>
-<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="936.39" cy="-269" rx="51.19" ry="18"/>
-<text text-anchor="middle" x="936.39" y="-265.3" font-family="Times-Roman" font-size="14.00">Common</text>
-</g>
-<!-- u12&#45;&gt;u9 -->
-<g id="edge30" class="edge">
-<title>u12&#45;&gt;u9</title>
-<path fill="none" stroke="black" d="M925.36,-333.82C927.2,-323.19 929.6,-309.31 931.69,-297.2"/>
-<polygon fill="black" stroke="black" points="935.17,-297.6 933.42,-287.15 928.27,-296.41 935.17,-297.6"/>
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-<!-- u9&#45;&gt;u7 -->
-<g id="edge31" class="edge">
-<title>u9&#45;&gt;u7</title>
-<path fill="none" stroke="black" d="M912.96,-252.81C897.32,-242.68 876.58,-229.24 859.56,-218.2"/>
-<polygon fill="black" stroke="black" points="861.33,-215.18 851.04,-212.68 857.53,-221.06 861.33,-215.18"/>
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-<!-- u10 -->
-<g id="node9" class="node">
-<title>u10</title>
-<ellipse fill="#77ff77" stroke="black" stroke-width="0" cx="828.39" cy="-50" rx="27" ry="18"/>
-<text text-anchor="middle" x="828.39" y="-46.3" font-family="Times-Roman" font-size="14.00">QQ</text>
-</g>
-<!-- u16 -->
-<g id="node10" class="node">
-<title>u16</title>
-<ellipse fill="#ffff77" stroke="black" stroke-width="0" cx="1001.39" cy="-435" rx="27" ry="18"/>
-<text text-anchor="middle" x="1001.39" y="-431.3" font-family="Times-Roman" font-size="14.00">QQ</text>
-</g>
-<!-- u15 -->
-<g id="node11" class="node">
-<title>u15</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="1103.39" cy="-435" rx="30.59" ry="18"/>
-<text text-anchor="middle" x="1103.39" y="-431.3" font-family="Times-Roman" font-size="14.00">Utils</text>
-</g>
-<!-- u15&#45;&gt;u12 -->
-<g id="edge22" class="edge">
-<title>u15&#45;&gt;u12</title>
-<path fill="none" stroke="black" d="M1080.91,-422.68C1072.07,-418.31 1061.8,-413.33 1052.39,-409 1019.33,-393.79 981.02,-377.44 954.59,-366.35"/>
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-</g>
-<!-- u15&#45;&gt;u11 -->
-<g id="edge21" class="edge">
-<title>u15&#45;&gt;u11</title>
-<path fill="none" stroke="black" d="M1082.81,-421.48C1073.8,-416.65 1062.9,-411.66 1052.39,-409 1009.49,-398.14 893.64,-419.41 853.39,-401 842.1,-395.84 832.28,-386.4 824.72,-377.25"/>
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-</g>
-<!-- u6&#45;&gt;u3 -->
-<g id="edge23" class="edge">
-<title>u6&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M817.86,-420.3C799.34,-413.36 779.12,-405.48 770.39,-401 716.1,-373.14 711.12,-350.84 655.39,-326 642.79,-320.38 635.87,-326.98 625.39,-318 597.74,-294.3 614.8,-271.71 592.39,-243 584.81,-233.29 574.68,-224.49 565.01,-217.31"/>
-<polygon fill="black" stroke="black" points="566.89,-214.35 556.71,-211.43 562.85,-220.06 566.89,-214.35"/>
-</g>
-<!-- u8 -->
-<g id="node14" class="node">
-<title>u8</title>
-<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="828.39" cy="-125" rx="42.49" ry="18"/>
-<text text-anchor="middle" x="828.39" y="-121.3" font-family="Times-Roman" font-size="14.00">Logger</text>
-</g>
-<!-- u7&#45;&gt;u8 -->
-<g id="edge25" class="edge">
-<title>u7&#45;&gt;u8</title>
-<path fill="none" stroke="black" stroke-dasharray="5,2" d="M828.39,-178.7C828.39,-170.98 828.39,-161.71 828.39,-153.11"/>
-<polygon fill="black" stroke="black" points="831.89,-153.1 828.39,-143.1 824.89,-153.1 831.89,-153.1"/>
-</g>
-<!-- u2 -->
-<g id="node17" class="node">
-<title>u2</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="696.39" cy="-269" rx="37.89" ry="18"/>
-<text text-anchor="middle" x="696.39" y="-265.3" font-family="Times-Roman" font-size="14.00">Errors</text>
-</g>
-<!-- u7&#45;&gt;u2 -->
-<g id="edge24" class="edge">
-<title>u7&#45;&gt;u2</title>
-<path fill="none" stroke="black" d="M802.53,-211.71C781.65,-222.79 752.12,-238.45 729.51,-250.44"/>
-<polygon fill="black" stroke="black" points="727.8,-247.38 720.6,-255.16 731.07,-253.57 727.8,-247.38"/>
-</g>
-<!-- u8&#45;&gt;u4 -->
-<g id="edge26" class="edge">
-<title>u8&#45;&gt;u4</title>
-<path fill="none" stroke="black" d="M786.3,-127.22C706.73,-130.23 537.84,-140.15 489.39,-171 463.54,-187.46 446.42,-218.99 436.84,-241.64"/>
-<polygon fill="black" stroke="black" points="433.54,-240.45 433.08,-251.04 440.04,-243.06 433.54,-240.45"/>
-</g>
-<!-- u8&#45;&gt;u9 -->
-<g id="edge27" class="edge">
-<title>u8&#45;&gt;u9</title>
-<path fill="none" stroke="black" stroke-dasharray="5,2" d="M849.03,-140.76C859.52,-148.9 872,-159.65 881.39,-171 899.5,-192.89 914.92,-221.56 924.79,-242.04"/>
-<polygon fill="black" stroke="black" points="921.62,-243.54 929.04,-251.1 927.96,-240.56 921.62,-243.54"/>
-</g>
-<!-- u8&#45;&gt;u10 -->
-<g id="edge28" class="edge">
-<title>u8&#45;&gt;u10</title>
-<path fill="none" stroke="black" d="M828.39,-106.7C828.39,-98.25 828.39,-87.87 828.39,-78.37"/>
-<polygon fill="black" stroke="black" points="831.89,-78.18 828.39,-68.18 824.89,-78.18 831.89,-78.18"/>
-</g>
-<!-- u11&#45;&gt;u5 -->
-<g id="edge29" class="edge">
-<title>u11&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M781.07,-346.57C749.06,-341.43 694.42,-332.79 647.39,-326 620.76,-322.16 610.78,-331.29 587.39,-318 577.83,-312.56 569.78,-303.68 563.6,-295.02"/>
-<polygon fill="black" stroke="black" points="566.46,-293 558.04,-286.57 560.61,-296.85 566.46,-293"/>
-</g>
-<!-- u0 -->
-<g id="node16" class="node">
-<title>u0</title>
-<ellipse fill="#bbffbb" stroke="black" stroke-width="2" cx="840.39" cy="-541" rx="42.49" ry="18"/>
-<text text-anchor="middle" x="840.39" y="-537.3" font-family="Times-Roman" font-size="14.00">GHCup</text>
-</g>
-<!-- u0&#45;&gt;u1 -->
-<g id="edge4" class="edge">
-<title>u0&#45;&gt;u1</title>
-<path fill="none" stroke="black" d="M798.15,-540.08C733.62,-539.53 614.12,-535.65 577.39,-515 556.17,-503.07 540.32,-480.02 530.42,-461.88"/>
-<polygon fill="black" stroke="black" points="533.49,-460.2 525.79,-452.93 527.27,-463.42 533.49,-460.2"/>
-</g>
-<!-- u0&#45;&gt;u16 -->
-<g id="edge6" class="edge">
-<title>u0&#45;&gt;u16</title>
-<path fill="none" stroke="black" d="M881.32,-536.43C914.21,-532.8 957.04,-526.09 970.39,-515 985.87,-502.13 993.66,-480.49 997.55,-463.11"/>
-<polygon fill="black" stroke="black" points="1001.06,-463.44 999.51,-452.96 994.18,-462.12 1001.06,-463.44"/>
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-<!-- u0&#45;&gt;u15 -->
-<g id="edge5" class="edge">
-<title>u0&#45;&gt;u15</title>
-<path fill="none" stroke="black" d="M882.83,-539.21C936.42,-537.51 1024.95,-532.11 1052.39,-515 1071.91,-502.83 1085.39,-480.12 1093.57,-462.17"/>
-<polygon fill="black" stroke="black" points="1096.87,-463.35 1097.57,-452.78 1090.43,-460.6 1096.87,-463.35"/>
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-<!-- u14 -->
-<g id="node19" class="node">
-<title>u14</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="680.39" cy="-435" rx="48.19" ry="18"/>
-<text text-anchor="middle" x="680.39" y="-431.3" font-family="Times-Roman" font-size="14.00">Platform</text>
-</g>
-<!-- u0&#45;&gt;u14 -->
-<g id="edge3" class="edge">
-<title>u0&#45;&gt;u14</title>
-<path fill="none" stroke="black" d="M801.74,-533.4C786.24,-529.61 768.7,-523.78 754.39,-515 731.68,-501.06 711.42,-478.33 697.87,-460.82"/>
-<polygon fill="black" stroke="black" points="700.58,-458.59 691.78,-452.7 694.98,-462.8 700.58,-458.59"/>
-</g>
-<!-- u2&#45;&gt;u3 -->
-<g id="edge7" class="edge">
-<title>u2&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M669.27,-256.28C642.05,-244.52 599.95,-226.33 570.04,-213.4"/>
-<polygon fill="black" stroke="black" points="571.35,-210.16 560.79,-209.41 568.58,-216.59 571.35,-210.16"/>
-</g>
-<!-- u13&#45;&gt;u3 -->
-<g id="edge8" class="edge">
-<title>u13&#45;&gt;u3</title>
-<path fill="none" stroke="black" d="M186.09,-260.84C259.14,-247.66 414.32,-219.66 490.43,-205.93"/>
-<polygon fill="black" stroke="black" points="491.41,-209.31 500.63,-204.09 490.17,-202.42 491.41,-209.31"/>
-</g>
-<!-- u14&#45;&gt;u5 -->
-<g id="edge9" class="edge">
-<title>u14&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M656.5,-419.22C649.64,-414.1 642.62,-407.9 637.39,-401 615.71,-372.38 627.41,-355.8 607.39,-326 598.66,-313.01 586.48,-300.68 575.54,-290.91"/>
-<polygon fill="black" stroke="black" points="577.72,-288.16 567.86,-284.28 573.14,-293.46 577.72,-288.16"/>
-</g>
-<!-- u14&#45;&gt;u12 -->
-<g id="edge10" class="edge">
-<title>u14&#45;&gt;u12</title>
-<path fill="none" stroke="black" d="M711.94,-421.27C724.88,-416.59 740.15,-411.77 754.39,-409 784.33,-403.18 865.04,-416.36 891.39,-401 900.07,-395.94 906.74,-387.36 911.63,-378.84"/>
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-<!-- u18 -->
-<g id="node20" class="node">
-<title>u18</title>
-<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="146.39" cy="-352" rx="73.39" ry="18"/>
-<text text-anchor="middle" x="146.39" y="-348.3" font-family="Times-Roman" font-size="14.00">Requirements</text>
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-<!-- u18&#45;&gt;u5 -->
-<g id="edge12" class="edge">
-<title>u18&#45;&gt;u5</title>
-<path fill="none" stroke="black" d="M192.35,-337.85C210.3,-333.27 231.16,-328.62 250.39,-326 300.18,-319.2 428.51,-333.26 476.39,-318 493.93,-312.41 511.26,-301.32 524.62,-291.22"/>
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-<!-- u18&#45;&gt;u13 -->
-<g id="edge11" class="edge">
-<title>u18&#45;&gt;u13</title>
-<path fill="none" stroke="black" d="M146.39,-333.82C146.39,-323.19 146.39,-309.31 146.39,-297.2"/>
-<polygon fill="black" stroke="black" points="149.89,-297.15 146.39,-287.15 142.89,-297.15 149.89,-297.15"/>
-</g>
-<!-- u20 -->
-<g id="node21" class="node">
-<title>u20</title>
-<ellipse fill="#bbffbb" stroke="black" stroke-width="0" cx="840.39" cy="-688" rx="32.49" ry="18"/>
-<text text-anchor="middle" x="840.39" y="-684.3" font-family="Times-Roman" font-size="14.00">Main</text>
 </g>
 <!-- u21 -->
-<g id="node22" class="node">
+<g id="node4" class="node">
 <title>u21</title>
-<ellipse fill="#bbffbb" stroke="black" stroke-width="0" cx="840.39" cy="-616" rx="46.29" ry="18"/>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="742" cy="-810.66" rx="51.99" ry="18"/>
-<text text-anchor="middle" x="840.39" y="-612.3" font-family="Times-Roman" font-size="14.00">Validate</text>
+<text text-anchor="middle" x="742" y="-806.96" font-family="Times-Roman" font-size="14.00">OptParse</text>
+</g>
+<!-- u23 -->
+<g id="node6" class="node">
+<title>u23</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="846" cy="-732.66" rx="38.19" ry="18"/>
+<text text-anchor="middle" x="846" y="-728.96" font-family="Times-Roman" font-size="14.00">Install</text>
+</g>
+<!-- u21&#45;&gt;u23 -->
+<g id="edge16" class="edge">
+<title>u21&#45;&gt;u23</title>
+<path fill="none" stroke="black" d="M763.3,-794.1C778.98,-782.63 800.48,-766.92 817.63,-754.39"/>
+<polygon fill="black" stroke="black" points="820.13,-756.9 826.14,-748.17 816,-751.25 820.13,-756.9"/>
+</g>
+<!-- u24 -->
+<g id="node7" class="node">
+<title>u24</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="929" cy="-732.66" rx="27" ry="18"/>
+<text text-anchor="middle" x="929" y="-728.96" font-family="Times-Roman" font-size="14.00">Set</text>
+</g>
+<!-- u21&#45;&gt;u24 -->
+<g id="edge17" class="edge">
+<title>u21&#45;&gt;u24</title>
+<path fill="none" stroke="black" d="M776.15,-797.08C806.94,-785.56 853.32,-767.76 893,-750.66 894.81,-749.88 896.66,-749.06 898.53,-748.23"/>
+<polygon fill="black" stroke="black" points="900.16,-751.33 907.79,-743.97 897.24,-744.97 900.16,-751.33"/>
+</g>
+<!-- u25 -->
+<g id="node8" class="node">
+<title>u25</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1197" cy="-732.66" rx="38.19" ry="18"/>
+<text text-anchor="middle" x="1197" y="-728.96" font-family="Times-Roman" font-size="14.00">UnSet</text>
+</g>
+<!-- u21&#45;&gt;u25 -->
+<g id="edge18" class="edge">
+<title>u21&#45;&gt;u25</title>
+<path fill="none" stroke="black" d="M792.1,-805.59C869.52,-798.59 1022.5,-781.91 1149,-750.66 1152.18,-749.88 1155.44,-748.96 1158.69,-747.97"/>
+<polygon fill="black" stroke="black" points="1159.91,-751.26 1168.34,-744.84 1157.75,-744.6 1159.91,-751.26"/>
+</g>
+<!-- u26 -->
+<g id="node9" class="node">
+<title>u26</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1001" cy="-732.66" rx="27" ry="18"/>
+<text text-anchor="middle" x="1001" y="-728.96" font-family="Times-Roman" font-size="14.00">Rm</text>
+</g>
+<!-- u21&#45;&gt;u26 -->
+<g id="edge19" class="edge">
+<title>u21&#45;&gt;u26</title>
+<path fill="none" stroke="black" d="M785.47,-800.63C830.94,-790.62 904.05,-772.9 965,-750.66 966.85,-749.98 968.74,-749.25 970.62,-748.47"/>
+<polygon fill="black" stroke="black" points="972.2,-751.6 979.95,-744.38 969.39,-745.19 972.2,-751.6"/>
+</g>
+<!-- u27 -->
+<g id="node10" class="node">
+<title>u27</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1093" cy="-732.66" rx="47.39" ry="18"/>
+<text text-anchor="middle" x="1093" y="-728.96" font-family="Times-Roman" font-size="14.00">Compile</text>
+</g>
+<!-- u21&#45;&gt;u27 -->
+<g id="edge20" class="edge">
+<title>u21&#45;&gt;u27</title>
+<path fill="none" stroke="black" d="M787.79,-801.93C846.05,-791.76 949.62,-772.61 1037,-750.66 1040.61,-749.75 1044.34,-748.76 1048.07,-747.72"/>
+<polygon fill="black" stroke="black" points="1049.25,-751.02 1057.9,-744.89 1047.32,-744.29 1049.25,-751.02"/>
+</g>
+<!-- u28 -->
+<g id="node11" class="node">
+<title>u28</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="64" cy="-732.66" rx="40.09" ry="18"/>
+<text text-anchor="middle" x="64" y="-728.96" font-family="Times-Roman" font-size="14.00">Config</text>
+</g>
+<!-- u21&#45;&gt;u28 -->
+<g id="edge21" class="edge">
+<title>u21&#45;&gt;u28</title>
+<path fill="none" stroke="black" d="M689.99,-808.99C581.5,-806.67 323.62,-796.37 113,-750.66 109.64,-749.93 106.2,-749.04 102.77,-748.06"/>
+<polygon fill="black" stroke="black" points="103.8,-744.71 93.21,-745.08 101.72,-751.4 103.8,-744.71"/>
+</g>
+<!-- u29 -->
+<g id="node12" class="node">
+<title>u29</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="415" cy="-732.66" rx="46.59" ry="18"/>
+<text text-anchor="middle" x="415" y="-728.96" font-family="Times-Roman" font-size="14.00">Whereis</text>
+</g>
+<!-- u21&#45;&gt;u29 -->
+<g id="edge22" class="edge">
+<title>u21&#45;&gt;u29</title>
+<path fill="none" stroke="black" d="M697.62,-801.14C643.73,-790.53 550.22,-771.27 471,-750.66 467.24,-749.68 463.35,-748.61 459.45,-747.51"/>
+<polygon fill="black" stroke="black" points="460.41,-744.14 449.83,-744.71 458.45,-750.86 460.41,-744.14"/>
+</g>
+<!-- u30 -->
+<g id="node13" class="node">
+<title>u30</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="507" cy="-732.66" rx="27" ry="18"/>
+<text text-anchor="middle" x="507" y="-728.96" font-family="Times-Roman" font-size="14.00">List</text>
+</g>
+<!-- u21&#45;&gt;u30 -->
+<g id="edge23" class="edge">
+<title>u21&#45;&gt;u30</title>
+<path fill="none" stroke="black" d="M700.99,-799.47C660.33,-788.91 596.53,-771.1 543,-750.66 541.16,-749.96 539.28,-749.2 537.4,-748.41"/>
+<polygon fill="black" stroke="black" points="538.65,-745.13 528.09,-744.28 535.81,-751.53 538.65,-745.13"/>
+</g>
+<!-- u31 -->
+<g id="node14" class="node">
+<title>u31</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1303" cy="-732.66" rx="50.09" ry="18"/>
+<text text-anchor="middle" x="1303" y="-728.96" font-family="Times-Roman" font-size="14.00">Upgrade</text>
+</g>
+<!-- u21&#45;&gt;u31 -->
+<g id="edge24" class="edge">
+<title>u21&#45;&gt;u31</title>
+<path fill="none" stroke="black" d="M792.66,-806.46C883.72,-800.09 1080.77,-783.54 1244,-750.66 1248.17,-749.82 1252.48,-748.83 1256.78,-747.75"/>
+<polygon fill="black" stroke="black" points="1257.95,-751.06 1266.72,-745.12 1256.16,-744.29 1257.95,-751.06"/>
+</g>
+<!-- u32 -->
+<g id="node15" class="node">
+<title>u32</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="614" cy="-732.66" rx="61.99" ry="18"/>
+<text text-anchor="middle" x="614" y="-728.96" font-family="Times-Roman" font-size="14.00">ChangeLog</text>
+</g>
+<!-- u21&#45;&gt;u32 -->
+<g id="edge25" class="edge">
+<title>u21&#45;&gt;u32</title>
+<path fill="none" stroke="black" d="M717.02,-794.83C697.66,-783.34 670.61,-767.27 649.09,-754.49"/>
+<polygon fill="black" stroke="black" points="650.63,-751.34 640.24,-749.24 647.05,-757.36 650.63,-751.34"/>
+</g>
+<!-- u33 -->
+<g id="node16" class="node">
+<title>u33</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="742" cy="-732.66" rx="48.19" ry="18"/>
+<text text-anchor="middle" x="742" y="-728.96" font-family="Times-Roman" font-size="14.00">Prefetch</text>
+</g>
+<!-- u21&#45;&gt;u33 -->
+<g id="edge26" class="edge">
+<title>u21&#45;&gt;u33</title>
+<path fill="none" stroke="black" d="M742,-792.41C742,-783.18 742,-771.59 742,-761.15"/>
+<polygon fill="black" stroke="black" points="745.5,-760.84 742,-750.84 738.5,-760.84 745.5,-760.84"/>
+</g>
+<!-- u34 -->
+<g id="node17" class="node">
+<title>u34</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="235" cy="-732.66" rx="27" ry="18"/>
+<text text-anchor="middle" x="235" y="-728.96" font-family="Times-Roman" font-size="14.00">GC</text>
+</g>
+<!-- u21&#45;&gt;u34 -->
+<g id="edge27" class="edge">
+<title>u21&#45;&gt;u34</title>
+<path fill="none" stroke="black" d="M690.05,-808.49C602.09,-805.33 418.98,-793.68 271,-750.66 269.06,-750.1 267.09,-749.44 265.13,-748.72"/>
+<polygon fill="black" stroke="black" points="266.08,-745.32 255.5,-744.7 263.39,-751.78 266.08,-745.32"/>
+</g>
+<!-- u35 -->
+<g id="node18" class="node">
+<title>u35</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="315" cy="-732.66" rx="35.19" ry="18"/>
+<text text-anchor="middle" x="315" y="-728.96" font-family="Times-Roman" font-size="14.00">DInfo</text>
+</g>
+<!-- u21&#45;&gt;u35 -->
+<g id="edge28" class="edge">
+<title>u21&#45;&gt;u35</title>
+<path fill="none" stroke="black" d="M692.02,-805.43C618.22,-798.41 476.17,-781.93 359,-750.66 356.35,-749.95 353.63,-749.14 350.92,-748.26"/>
+<polygon fill="black" stroke="black" points="351.81,-744.86 341.22,-744.85 349.49,-751.47 351.81,-744.86"/>
+</g>
+<!-- u36 -->
+<g id="node19" class="node">
+<title>u36</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="1461" cy="-732.66" rx="90.18" ry="18"/>
+<text text-anchor="middle" x="1461" y="-728.96" font-family="Times-Roman" font-size="14.00">ToolRequirements</text>
+</g>
+<!-- u21&#45;&gt;u36 -->
+<g id="edge29" class="edge">
+<title>u21&#45;&gt;u36</title>
+<path fill="none" stroke="black" d="M792.37,-806.16C898.17,-798.52 1151.13,-778.76 1362,-750.66 1370.05,-749.59 1378.45,-748.34 1386.8,-747.02"/>
+<polygon fill="black" stroke="black" points="1387.62,-750.44 1396.94,-745.38 1386.51,-743.53 1387.62,-750.44"/>
+</g>
+<!-- u37 -->
+<g id="node20" class="node">
+<title>u37</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="156" cy="-732.66" rx="33.6" ry="18"/>
+<text text-anchor="middle" x="156" y="-728.96" font-family="Times-Roman" font-size="14.00">Nuke</text>
+</g>
+<!-- u21&#45;&gt;u37 -->
+<g id="edge30" class="edge">
+<title>u21&#45;&gt;u37</title>
+<path fill="none" stroke="black" d="M690.3,-808.63C592.81,-805.69 375.74,-794.35 199,-750.66 196.22,-749.97 193.39,-749.15 190.56,-748.24"/>
+<polygon fill="black" stroke="black" points="191.69,-744.93 181.1,-744.88 189.35,-751.52 191.69,-744.93"/>
+</g>
+<!-- u22 -->
+<g id="node5" class="node">
+<title>u22</title>
+<ellipse fill="#ffbbbb" stroke="black" stroke-width="0" cx="742" cy="-654.66" rx="51.19" ry="18"/>
+<text text-anchor="middle" x="742" y="-650.96" font-family="Times-Roman" font-size="14.00">Common</text>
+</g>
+<!-- u0 -->
+<g id="node33" class="node">
+<title>u0</title>
+<ellipse fill="#bbffbb" stroke="black" stroke-width="2" cx="705" cy="-576.66" rx="42.49" ry="18"/>
+<text text-anchor="middle" x="705" y="-572.96" font-family="Times-Roman" font-size="14.00">GHCup</text>
+</g>
+<!-- u22&#45;&gt;u0 -->
+<g id="edge31" class="edge">
+<title>u22&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M733.79,-636.79C729.05,-627.05 722.98,-614.59 717.64,-603.63"/>
+<polygon fill="black" stroke="black" points="720.71,-601.94 713.19,-594.48 714.42,-605 720.71,-601.94"/>
+</g>
+<!-- u23&#45;&gt;u22 -->
+<g id="edge32" class="edge">
+<title>u23&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M825.95,-717.01C810.53,-705.74 788.99,-690 771.59,-677.28"/>
+<polygon fill="black" stroke="black" points="773.56,-674.39 763.42,-671.31 769.43,-680.04 773.56,-674.39"/>
+</g>
+<!-- u24&#45;&gt;u22 -->
+<g id="edge33" class="edge">
+<title>u24&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M907.79,-721.35C902.96,-719.08 897.82,-716.74 893,-714.66 857.2,-699.23 815.93,-683.23 785.6,-671.79"/>
+<polygon fill="black" stroke="black" points="786.75,-668.48 776.15,-668.24 784.29,-675.03 786.75,-668.48"/>
+</g>
+<!-- u25&#45;&gt;u0 -->
+<g id="edge34" class="edge">
+<title>u25&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M1167.62,-721.04C1161.48,-718.88 1155.04,-716.66 1149,-714.66 1003.04,-666.32 828.31,-614.02 748.55,-590.45"/>
+<polygon fill="black" stroke="black" points="749.43,-587.06 738.85,-587.59 747.45,-593.77 749.43,-587.06"/>
+</g>
+<!-- u26&#45;&gt;u22 -->
+<g id="edge35" class="edge">
+<title>u26&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M979.97,-720.89C975.13,-718.64 969.95,-716.43 965,-714.66 892.52,-688.77 871.13,-693.36 797,-672.66 794.25,-671.89 791.42,-671.08 788.58,-670.25"/>
+<polygon fill="black" stroke="black" points="789.48,-666.87 778.9,-667.37 787.48,-673.58 789.48,-666.87"/>
+</g>
+<!-- u27&#45;&gt;u22 -->
+<g id="edge36" class="edge">
+<title>u27&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M1058.23,-720.39C1051.24,-718.33 1043.92,-716.31 1037,-714.66 931.66,-689.55 902.27,-698.03 797,-672.66 794.04,-671.95 791,-671.16 787.94,-670.33"/>
+<polygon fill="black" stroke="black" points="788.79,-666.93 778.21,-667.56 786.87,-673.66 788.79,-666.93"/>
+</g>
+<!-- u15 -->
+<g id="node28" class="node">
+<title>u15</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="705" cy="-380.66" rx="30.59" ry="18"/>
+<text text-anchor="middle" x="705" y="-376.96" font-family="Times-Roman" font-size="14.00">Utils</text>
+</g>
+<!-- u28&#45;&gt;u15 -->
+<g id="edge37" class="edge">
+<title>u28&#45;&gt;u15</title>
+<path fill="none" stroke="black" d="M71.46,-714.85C93.67,-667.18 164.47,-531.09 271,-477.66 310.47,-457.87 631.26,-485.14 668,-460.66 685.49,-449.01 694.89,-426.77 699.83,-408.86"/>
+<polygon fill="black" stroke="black" points="703.29,-409.46 702.25,-398.92 696.49,-407.8 703.29,-409.46"/>
+</g>
+<!-- u29&#45;&gt;u22 -->
+<g id="edge38" class="edge">
+<title>u29&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M449.8,-720.49C456.78,-718.42 464.1,-716.37 471,-714.66 565.92,-691.09 592.14,-696.47 687,-672.66 689.96,-671.92 692.99,-671.11 696.04,-670.26"/>
+<polygon fill="black" stroke="black" points="697.13,-673.6 705.77,-667.46 695.19,-666.87 697.13,-673.6"/>
+</g>
+<!-- u30&#45;&gt;u22 -->
+<g id="edge39" class="edge">
+<title>u30&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M528.08,-721.03C532.92,-718.78 538.09,-716.52 543,-714.66 605.33,-691.02 623.15,-691.84 687,-672.66 689.74,-671.84 692.55,-670.99 695.38,-670.12"/>
+<polygon fill="black" stroke="black" points="696.5,-673.44 705.04,-667.17 694.46,-666.75 696.5,-673.44"/>
+</g>
+<!-- u31&#45;&gt;u0 -->
+<g id="edge40" class="edge">
+<title>u31&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M1267.21,-719.95C1204.45,-699.67 1070.24,-657.41 955,-628.66 885.44,-611.3 803.91,-595.51 753.35,-586.24"/>
+<polygon fill="black" stroke="black" points="753.82,-582.77 743.35,-584.42 752.56,-589.65 753.82,-582.77"/>
+</g>
+<!-- u32&#45;&gt;u22 -->
+<g id="edge41" class="edge">
+<title>u32&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M639.9,-716.28C659.59,-704.59 686.84,-688.41 708.23,-675.71"/>
+<polygon fill="black" stroke="black" points="710.2,-678.61 717.01,-670.5 706.62,-672.6 710.2,-678.61"/>
+</g>
+<!-- u33&#45;&gt;u22 -->
+<g id="edge42" class="edge">
+<title>u33&#45;&gt;u22</title>
+<path fill="none" stroke="black" d="M742,-714.41C742,-705.18 742,-693.59 742,-683.15"/>
+<polygon fill="black" stroke="black" points="745.5,-682.84 742,-672.84 738.5,-682.84 745.5,-682.84"/>
+</g>
+<!-- u34&#45;&gt;u0 -->
+<g id="edge43" class="edge">
+<title>u34&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M256.18,-721.27C261.01,-719.01 266.15,-716.68 271,-714.66 321.21,-693.69 336.18,-694.54 386,-672.66 424.95,-655.55 430.98,-643.09 471,-628.66 532.58,-606.45 606.93,-592.27 655.04,-584.64"/>
+<polygon fill="black" stroke="black" points="655.85,-588.06 665.19,-583.07 654.78,-581.14 655.85,-588.06"/>
+</g>
+<!-- u35&#45;&gt;u0 -->
+<g id="edge44" class="edge">
+<title>u35&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M342.11,-720.95C409.78,-694.23 586.34,-624.51 665.55,-593.24"/>
+<polygon fill="black" stroke="black" points="667.14,-596.37 675.16,-589.44 664.57,-589.86 667.14,-596.37"/>
+</g>
+<!-- u14 -->
+<g id="node36" class="node">
+<title>u14</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="934" cy="-495.66" rx="48.19" ry="18"/>
+<text text-anchor="middle" x="934" y="-491.96" font-family="Times-Roman" font-size="14.00">Platform</text>
+</g>
+<!-- u36&#45;&gt;u14 -->
+<g id="edge45" class="edge">
+<title>u36&#45;&gt;u14</title>
+<path fill="none" stroke="black" d="M1426.01,-716.06C1331.57,-673.94 1071.92,-558.16 972.98,-514.04"/>
+<polygon fill="black" stroke="black" points="974.21,-510.76 963.65,-509.88 971.36,-517.15 974.21,-510.76"/>
+</g>
+<!-- u18 -->
+<g id="node37" class="node">
+<title>u18</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="1461" cy="-495.66" rx="73.39" ry="18"/>
+<text text-anchor="middle" x="1461" y="-491.96" font-family="Times-Roman" font-size="14.00">Requirements</text>
+</g>
+<!-- u36&#45;&gt;u18 -->
+<g id="edge46" class="edge">
+<title>u36&#45;&gt;u18</title>
+<path fill="none" stroke="black" d="M1461,-714.38C1461,-673.98 1461,-573.06 1461,-524.13"/>
+<polygon fill="black" stroke="black" points="1464.5,-523.97 1461,-513.97 1457.5,-523.97 1464.5,-523.97"/>
+</g>
+<!-- u37&#45;&gt;u0 -->
+<g id="edge47" class="edge">
+<title>u37&#45;&gt;u0</title>
+<path fill="none" stroke="black" d="M178.73,-719.04C219.16,-697.17 306.76,-652.29 386,-628.66 478.02,-601.22 589.65,-587.67 653.49,-581.71"/>
+<polygon fill="black" stroke="black" points="654.05,-585.17 663.7,-580.78 653.42,-578.2 654.05,-585.17"/>
+</g>
+<!-- u3 -->
+<g id="node21" class="node">
+<title>u3</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="2" cx="1257" cy="-213.66" rx="36.29" ry="18"/>
+<text text-anchor="middle" x="1257" y="-209.96" font-family="Times-Roman" font-size="14.00">Types</text>
+</g>
+<!-- u4 -->
+<g id="node22" class="node">
+<title>u4</title>
+<ellipse fill="#bbffff" stroke="black" stroke-width="0" cx="1329" cy="-291.66" rx="39.79" ry="18"/>
+<text text-anchor="middle" x="1329" y="-287.96" font-family="Times-Roman" font-size="14.00">Optics</text>
+</g>
+<!-- u4&#45;&gt;u3 -->
+<g id="edge48" class="edge">
+<title>u4&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M1314.08,-274.91C1303.94,-264.21 1290.37,-249.88 1278.99,-237.88"/>
+<polygon fill="black" stroke="black" points="1281.32,-235.24 1271.9,-230.39 1276.24,-240.05 1281.32,-235.24"/>
+</g>
+<!-- u6 -->
+<g id="node29" class="node">
+<title>u6</title>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="934" cy="-380.66" rx="64.19" ry="18"/>
+<text text-anchor="middle" x="934" y="-376.96" font-family="Times-Roman" font-size="14.00">MegaParsec</text>
+</g>
+<!-- u5&#45;&gt;u6 -->
+<g id="edge49" class="edge">
+<title>u5&#45;&gt;u6</title>
+<path fill="none" stroke="black" d="M1226.6,-309.05C1217.94,-320.06 1204.99,-333.77 1190,-340.66 1152.94,-357.69 1046.95,-346.43 1007,-354.66 997.85,-356.55 988.26,-359.26 979.16,-362.21"/>
+<polygon fill="black" stroke="black" points="977.86,-358.96 969.51,-365.48 980.11,-365.59 977.86,-358.96"/>
+</g>
+<!-- u7 -->
+<g id="node30" class="node">
+<title>u7</title>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="1030" cy="-213.66" rx="44.39" ry="18"/>
+<text text-anchor="middle" x="1030" y="-209.96" font-family="Times-Roman" font-size="14.00">Prelude</text>
+</g>
+<!-- u5&#45;&gt;u7 -->
+<g id="edge50" class="edge">
+<title>u5&#45;&gt;u7</title>
+<path fill="none" stroke="black" d="M1218.91,-276.55C1213.05,-272.65 1206.44,-268.67 1200,-265.66 1160.61,-247.27 1113.01,-233.67 1078.21,-225.15"/>
+<polygon fill="black" stroke="black" points="1078.83,-221.7 1068.29,-222.78 1077.21,-228.51 1078.83,-221.7"/>
+</g>
+<!-- u9 -->
+<g id="node25" class="node">
+<title>u9</title>
+<ellipse fill="#77ff77" stroke="black" stroke-width="0" cx="803" cy="-291.66" rx="51.19" ry="18"/>
+<text text-anchor="middle" x="803" y="-287.96" font-family="Times-Roman" font-size="14.00">Common</text>
+</g>
+<!-- u12&#45;&gt;u9 -->
+<g id="edge59" class="edge">
+<title>u12&#45;&gt;u9</title>
+<path fill="none" stroke="black" d="M820.65,-362.47C817.58,-350.32 813.4,-333.77 809.87,-319.84"/>
+<polygon fill="black" stroke="black" points="813.18,-318.65 807.34,-309.81 806.4,-320.37 813.18,-318.65"/>
+</g>
+<!-- u9&#45;&gt;u7 -->
+<g id="edge60" class="edge">
+<title>u9&#45;&gt;u7</title>
+<path fill="none" stroke="black" d="M831.8,-276.66C840.15,-272.85 849.35,-268.89 858,-265.66 899.83,-250.04 948.74,-235.92 983.69,-226.52"/>
+<polygon fill="black" stroke="black" points="984.85,-229.83 993.61,-223.88 983.05,-223.07 984.85,-229.83"/>
+</g>
+<!-- u10 -->
+<g id="node26" class="node">
+<title>u10</title>
+<ellipse fill="#ffff77" stroke="black" stroke-width="0" cx="1030" cy="-53.66" rx="27" ry="18"/>
+<text text-anchor="middle" x="1030" y="-49.96" font-family="Times-Roman" font-size="14.00">QQ</text>
+</g>
+<!-- u16 -->
+<g id="node27" class="node">
+<title>u16</title>
+<ellipse fill="#7777ff" stroke="black" stroke-width="0" cx="629" cy="-380.66" rx="27" ry="18"/>
+<text text-anchor="middle" x="629" y="-376.96" font-family="Times-Roman" font-size="14.00">QQ</text>
+</g>
+<!-- u15&#45;&gt;u1 -->
+<g id="edge51" class="edge">
+<title>u15&#45;&gt;u1</title>
+<path fill="none" stroke="black" d="M707.32,-398.87C710.83,-417.56 719.45,-446.6 740,-460.66 773.6,-483.65 1065.83,-471.03 1106,-477.66 1109.69,-478.27 1113.47,-479.03 1117.26,-479.89"/>
+<polygon fill="black" stroke="black" points="1116.67,-483.35 1127.21,-482.36 1118.35,-476.55 1116.67,-483.35"/>
+</g>
+<!-- u6&#45;&gt;u3 -->
+<g id="edge52" class="edge">
+<title>u6&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M969.52,-365.51C981.28,-361.37 994.54,-357.25 1007,-354.66 1044.76,-346.8 1151.18,-366.3 1180,-340.66 1205.4,-318.06 1177.53,-294.82 1195,-265.66 1202.54,-253.08 1214.35,-242.23 1225.65,-233.81"/>
+<polygon fill="black" stroke="black" points="1227.95,-236.47 1234.11,-227.86 1223.92,-230.75 1227.95,-236.47"/>
+</g>
+<!-- u8 -->
+<g id="node31" class="node">
+<title>u8</title>
+<ellipse fill="#ffbbff" stroke="black" stroke-width="0" cx="1030" cy="-135.66" rx="42.49" ry="18"/>
+<text text-anchor="middle" x="1030" y="-131.96" font-family="Times-Roman" font-size="14.00">Logger</text>
+</g>
+<!-- u7&#45;&gt;u8 -->
+<g id="edge54" class="edge">
+<title>u7&#45;&gt;u8</title>
+<path fill="none" stroke="black" stroke-dasharray="5,2" d="M1030,-195.41C1030,-186.18 1030,-174.59 1030,-164.15"/>
+<polygon fill="black" stroke="black" points="1033.5,-163.84 1030,-153.84 1026.5,-163.84 1033.5,-163.84"/>
+</g>
+<!-- u2 -->
+<g id="node34" class="node">
+<title>u2</title>
+<ellipse fill="#ffffbb" stroke="black" stroke-width="0" cx="1128" cy="-291.66" rx="37.89" ry="18"/>
+<text text-anchor="middle" x="1128" y="-287.96" font-family="Times-Roman" font-size="14.00">Errors</text>
+</g>
+<!-- u7&#45;&gt;u2 -->
+<g id="edge53" class="edge">
+<title>u7&#45;&gt;u2</title>
+<path fill="none" stroke="black" d="M1049.85,-230.05C1064.58,-241.48 1084.85,-257.2 1101.05,-269.76"/>
+<polygon fill="black" stroke="black" points="1099.06,-272.64 1109.1,-276.01 1103.35,-267.11 1099.06,-272.64"/>
+</g>
+<!-- u8&#45;&gt;u4 -->
+<g id="edge55" class="edge">
+<title>u8&#45;&gt;u4</title>
+<path fill="none" stroke="black" d="M1071.74,-139.12C1139.49,-143.98 1269.17,-157.08 1302,-187.66 1322.76,-207 1328.33,-240.18 1329.47,-263.64"/>
+<polygon fill="black" stroke="black" points="1325.97,-263.75 1329.71,-273.66 1332.97,-263.58 1325.97,-263.75"/>
+</g>
+<!-- u8&#45;&gt;u9 -->
+<g id="edge56" class="edge">
+<title>u8&#45;&gt;u9</title>
+<path fill="none" stroke="black" stroke-dasharray="5,2" d="M1008.49,-151.25C968.13,-178.63 880.88,-237.82 834.11,-269.55"/>
+<polygon fill="black" stroke="black" points="831.91,-266.82 825.6,-275.33 835.84,-272.61 831.91,-266.82"/>
+</g>
+<!-- u8&#45;&gt;u10 -->
+<g id="edge57" class="edge">
+<title>u8&#45;&gt;u10</title>
+<path fill="none" stroke="black" d="M1030,-117.3C1030,-106.96 1030,-93.6 1030,-81.88"/>
+<polygon fill="black" stroke="black" points="1033.5,-81.71 1030,-71.71 1026.5,-81.71 1033.5,-81.71"/>
+</g>
+<!-- u11&#45;&gt;u5 -->
+<g id="edge58" class="edge">
+<title>u11&#45;&gt;u5</title>
+<path fill="none" stroke="black" d="M1060.4,-365.35C1065.63,-361.25 1071.74,-357.21 1078,-354.66 1124.47,-335.76 1144.94,-362.7 1190,-340.66 1201.46,-335.05 1211.82,-325.6 1219.95,-316.56"/>
+<polygon fill="black" stroke="black" points="1222.7,-318.72 1226.49,-308.83 1217.36,-314.2 1222.7,-318.72"/>
+</g>
+<!-- u0&#45;&gt;u16 -->
+<g id="edge4" class="edge">
+<title>u0&#45;&gt;u16</title>
+<path fill="none" stroke="black" d="M698.39,-558.78C685.1,-524.87 655.09,-448.27 639.25,-407.82"/>
+<polygon fill="black" stroke="black" points="642.45,-406.39 635.54,-398.36 635.93,-408.95 642.45,-406.39"/>
+</g>
+<!-- u0&#45;&gt;u15 -->
+<g id="edge3" class="edge">
+<title>u0&#45;&gt;u15</title>
+<path fill="none" stroke="black" d="M705,-558.44C705,-524.72 705,-449.72 705,-409.09"/>
+<polygon fill="black" stroke="black" points="708.5,-408.84 705,-398.84 701.5,-408.84 708.5,-408.84"/>
+</g>
+<!-- u0&#45;&gt;u14 -->
+<g id="edge2" class="edge">
+<title>u0&#45;&gt;u14</title>
+<path fill="none" stroke="black" d="M736.84,-564.68C776.8,-550.89 845.52,-527.18 890.35,-511.72"/>
+<polygon fill="black" stroke="black" points="891.51,-515.02 899.82,-508.45 889.22,-508.4 891.51,-515.02"/>
+</g>
+<!-- u2&#45;&gt;u3 -->
+<g id="edge5" class="edge">
+<title>u2&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M1150.77,-277.25C1171.58,-264.98 1202.56,-246.73 1225.7,-233.1"/>
+<polygon fill="black" stroke="black" points="1227.62,-236.03 1234.46,-227.94 1224.07,-230 1227.62,-236.03"/>
+</g>
+<!-- u13&#45;&gt;u3 -->
+<g id="edge6" class="edge">
+<title>u13&#45;&gt;u3</title>
+<path fill="none" stroke="black" d="M1412.98,-362.38C1410.65,-337.92 1403.02,-293.12 1378,-265.66 1357.81,-243.49 1326.42,-230.64 1300.67,-223.38"/>
+<polygon fill="black" stroke="black" points="1301.32,-219.94 1290.76,-220.78 1299.54,-226.71 1301.32,-219.94"/>
+</g>
+<!-- u14&#45;&gt;u5 -->
+<g id="edge7" class="edge">
+<title>u14&#45;&gt;u5</title>
+<path fill="none" stroke="black" d="M980.15,-490.19C1019.57,-485.37 1072.04,-476.2 1086,-460.66 1117.68,-425.38 1065.12,-388.82 1098,-354.66 1126.68,-324.86 1153.09,-359.32 1190,-340.66 1201.39,-334.9 1211.73,-325.43 1219.87,-316.41"/>
+<polygon fill="black" stroke="black" points="1222.61,-318.59 1226.43,-308.71 1217.28,-314.05 1222.61,-318.59"/>
+</g>
+<!-- u14&#45;&gt;u12 -->
+<g id="edge8" class="edge">
+<title>u14&#45;&gt;u12</title>
+<path fill="none" stroke="black" d="M895.43,-484.64C881.53,-479.41 866.66,-471.72 856,-460.66 842.29,-446.43 834.43,-425.42 830.06,-408.64"/>
+<polygon fill="black" stroke="black" points="833.46,-407.78 827.77,-398.84 826.64,-409.37 833.46,-407.78"/>
+</g>
+<!-- u18&#45;&gt;u5 -->
+<g id="edge10" class="edge">
+<title>u18&#45;&gt;u5</title>
+<path fill="none" stroke="black" d="M1468.63,-477.37C1480.29,-447.97 1498.11,-388.19 1467,-354.66 1438.65,-324.11 1317.28,-359.28 1280,-340.66 1269.49,-335.41 1260.48,-326.27 1253.53,-317.36"/>
+<polygon fill="black" stroke="black" points="1256.2,-315.09 1247.51,-309.03 1250.53,-319.18 1256.2,-315.09"/>
+</g>
+<!-- u18&#45;&gt;u13 -->
+<g id="edge9" class="edge">
+<title>u18&#45;&gt;u13</title>
+<path fill="none" stroke="black" d="M1453.86,-477.5C1446.19,-459.06 1433.9,-429.51 1425,-408.1"/>
+<polygon fill="black" stroke="black" points="1428.12,-406.5 1421.05,-398.61 1421.66,-409.19 1428.12,-406.5"/>
+</g>
+<!-- u20 -->
+<g id="node38" class="node">
+<title>u20</title>
+<ellipse fill="#bbffbb" stroke="black" stroke-width="0" cx="742" cy="-925.66" rx="32.49" ry="18"/>
+<text text-anchor="middle" x="742" y="-921.96" font-family="Times-Roman" font-size="14.00">Main</text>
 </g>
 <!-- u20&#45;&gt;u21 -->
 <g id="edge1" class="edge">
 <title>u20&#45;&gt;u21</title>
-<path fill="none" stroke="black" d="M840.39,-669.7C840.39,-661.98 840.39,-652.71 840.39,-644.11"/>
+<path fill="none" stroke="black" d="M742,-907.5C742,-889.33 742,-860.38 742,-839.05"/>
-<polygon fill="black" stroke="black" points="843.89,-644.1 840.39,-634.1 836.89,-644.1 843.89,-644.1"/>
+<polygon fill="black" stroke="black" points="745.5,-838.98 742,-828.98 738.5,-838.98 745.5,-838.98"/>
-</g>
-<!-- u21&#45;&gt;u0 -->
-<g id="edge2" class="edge">
-<title>u21&#45;&gt;u0</title>
-<path fill="none" stroke="black" d="M840.39,-597.7C840.39,-589.25 840.39,-578.87 840.39,-569.37"/>
-<polygon fill="black" stroke="black" points="843.89,-569.18 840.39,-559.18 836.89,-569.18 843.89,-569.18"/>
 </g>
 </g>
 </svg>

ghcup.cabal

@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               ghcup
-version:            0.1.17.2
+version:            0.1.17.3
 license:            LGPL-3.0-only
 license-file:       LICENSE
 copyright:          Julian Ospald 2020
@@ -18,9 +18,6 @@ build-type:         Simple
 extra-doc-files:
   CHANGELOG.md
   data/config.yaml
-  data/metadata/ghcup-0.0.4.yaml
-  data/metadata/ghcup-0.0.5.yaml
-  data/metadata/ghcup-0.0.6.yaml
   README.md
 
 extra-source-files:
@@ -46,6 +43,11 @@ flag internal-downloader
   default:     False
   manual:      True
 
+flag no-exe
+  description: Don't build any executables 
+  default:     False
+  manual:      True
+
 library
   exposed-modules:
     GHCup
@@ -109,7 +111,6 @@ library
     , filepath              ^>=1.4.2.1
     , haskus-utils-types    ^>=1.5
     , haskus-utils-variant  >=3.0        && <3.2
-    , HsYAML-aeson          ^>=0.2.0.0
     , libarchive            ^>=3.0.3.0
     , lzma-static           ^>=5.2.5.3
     , megaparsec            >=8.0.0      && <9.1
@@ -136,6 +137,7 @@ library
     , vector                ^>=0.12
     , versions              >=4.0.1      && <5.1
     , word8                 ^>=0.1.3
+    , yaml-streamly         ^>=0.12.0
     , zlib                  ^>=0.6.2.2
 
   if (flag(internal-downloader) && !os(windows))
@@ -225,7 +227,6 @@ executable ghcup
     , filepath              ^>=1.4.2.1
     , ghcup
     , haskus-utils-variant  >=3.0      && <3.2
-    , HsYAML-aeson          ^>=0.2.0.0
     , libarchive            ^>=3.0.3.0
     , megaparsec            >=8.0.0    && <9.1
     , mtl                   ^>=2.2
@@ -240,6 +241,7 @@ executable ghcup
     , uri-bytestring        ^>=0.3.2.2
     , utf8-string           ^>=1.0
     , versions              >=4.0.1    && <5.1
+    , yaml-streamly         ^>=0.12.0
 
   if flag(internal-downloader)
     cpp-options: -DINTERNAL_DOWNLOADER
@@ -255,51 +257,8 @@ executable ghcup
 
   if os(windows)
     cpp-options: -DIS_WINDOWS
-
+  if flag(no-exe)
-executable ghcup-gen
+    buildable: False
-  main-is:            Main.hs
-  hs-source-dirs:     app/ghcup-gen
-  other-modules:      Validate
-  default-language:   Haskell2010
-  default-extensions:
-    DeriveGeneric
-    LambdaCase
-    MultiWayIf
-    NamedFieldPuns
-    PackageImports
-    QuasiQuotes
-    RecordWildCards
-    ScopedTypeVariables
-    StrictData
-    TupleSections
-    TypeApplications
-    TypeFamilies
-    ViewPatterns
-
-  ghc-options:
-    -Wall -fwarn-tabs -fwarn-incomplete-uni-patterns
-    -fwarn-incomplete-record-updates -threaded
-
-  build-depends:
-    , base                  >=4.13     && <5
-    , bytestring            ^>=0.10
-    , containers            ^>=0.6
-    , filepath              ^>=1.4.2.1
-    , ghcup
-    , haskus-utils-variant  >=3.0      && <3.2
-    , HsYAML-aeson          ^>=0.2.0.0
-    , libarchive            ^>=3.0.3.0
-    , mtl                   ^>=2.2
-    , optics                ^>=0.4
-    , optparse-applicative  >=0.15.1.0 && <0.17
-    , pretty                ^>=1.1.3.1
-    , pretty-terminal       ^>=0.1.0.0
-    , regex-posix           ^>=0.96
-    , resourcet             ^>=1.2.2
-    , safe-exceptions       ^>=0.1
-    , text                  ^>=1.2.4.0
-    , transformers          ^>=0.5
-    , versions              >=4.0.1    && <5.1
 
 test-suite ghcup-test
   type:               exitcode-stdio-1.0

lib/GHCup/Download.hs

@@ -49,7 +49,6 @@ import           Control.Monad.Reader
 import           Control.Monad.Trans.Resource
                                          hiding ( throwM )
 import           Data.Aeson
-import           Data.Bifunctor
 import           Data.ByteString                ( ByteString )
 #if defined(INTERNAL_DOWNLOADER)
 import           Data.CaseInsensitive           ( mk )
@@ -87,7 +86,7 @@ import qualified Data.Map.Strict               as M
 import qualified Data.Text                     as T
 import qualified Data.Text.IO                  as T
 import qualified Data.Text.Encoding            as E
-import qualified Data.YAML.Aeson               as Y
+import qualified Data.Yaml.Aeson               as Y
 
 
 
@@ -183,15 +182,14 @@ getBase uri = do
 
   -- if we didn't get a filepath from the download, use the cached yaml
   actualYaml <- maybe (lift $ yamlFromCache uri) pure mYaml
-  yamlContents <- liftIOException doesNotExistErrorType (FileDoesNotExistError actualYaml) $ liftIO $ L.readFile actualYaml
   lift $ logDebug $ "Decoding yaml at: " <> T.pack actualYaml
 
   liftE
     . onE_ (onError actualYaml)
-    . lE' @_ @_ @'[JSONError] JSONDecodeError
+    . lEM' @_ @_ @'[JSONError] (\(displayException -> e) -> JSONDecodeError $ unlines [e, "Consider removing " <> actualYaml <> " manually."])
-    . first (\(_, e) -> unlines [e, "Consider removing " <> actualYaml <> " manually."])
+    . liftIO 
-    . Y.decode1
+    . Y.decodeFileEither
-    $ yamlContents
+    $ actualYaml
  where
   -- On error, remove the etags file and set access time to 0. This should ensure the next invocation
   -- may re-download and succeed.
@@ -244,14 +242,18 @@ getBase uri = do
     e <- liftIO $ doesFileExist json_file
     currentTime <- liftIO getCurrentTime
     Dirs { cacheDir } <- lift getDirs
+    Settings { metaCache } <- lift getSettings
 
        -- for local files, let's short-circuit and ignore access time
     if | scheme == "file" -> liftE $ download uri' Nothing Nothing cacheDir Nothing True
        | e -> do
-          accessTime <- liftIO $ getAccessTime json_file
+          accessTime <- fmap utcTimeToPOSIXSeconds $ liftIO $ getAccessTime json_file
-
+          let sinceLastAccess = utcTimeToPOSIXSeconds currentTime - accessTime
+          let cacheInterval = fromInteger metaCache
+          lift $ logDebug $ "last access was " <> T.pack (show sinceLastAccess) <> " ago, cache interval is " <> T.pack (show cacheInterval)
           -- access time won't work on most linuxes, but we can try regardless
-          if | ((utcTimeToPOSIXSeconds currentTime - utcTimeToPOSIXSeconds accessTime) > 300) ->
+          if | metaCache <= 0 -> dlWithMod currentTime json_file
+             | (sinceLastAccess > cacheInterval) ->
                 -- no access in last 5 minutes, re-check upstream mod time
                 dlWithMod currentTime json_file
              | otherwise -> pure json_file

lib/GHCup/Types.hs

@@ -294,6 +294,7 @@ instance NFData (URIRef Absolute) where
 
 data UserSettings = UserSettings
   { uCache       :: Maybe Bool
+  , uMetaCache   :: Maybe Integer
   , uNoVerify    :: Maybe Bool
   , uVerbose     :: Maybe Bool
   , uKeepDirs    :: Maybe KeepDirs
@@ -306,12 +307,13 @@ data UserSettings = UserSettings
   deriving (Show, GHC.Generic)
 
 defaultUserSettings :: UserSettings
-defaultUserSettings = UserSettings Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing
+defaultUserSettings = UserSettings Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing
 
 fromSettings :: Settings -> Maybe KeyBindings -> UserSettings
 fromSettings Settings{..} Nothing =
   UserSettings {
       uCache = Just cache
+    , uMetaCache = Just metaCache
     , uNoVerify = Just noVerify
     , uVerbose = Just verbose
     , uKeepDirs = Just keepDirs
@@ -335,6 +337,7 @@ fromSettings Settings{..} (Just KeyBindings{..}) =
             }
   in UserSettings {
       uCache = Just cache
+    , uMetaCache = Just metaCache
     , uNoVerify = Just noVerify
     , uVerbose = Just verbose
     , uKeepDirs = Just keepDirs
@@ -410,6 +413,7 @@ instance NFData LeanAppState
 
 data Settings = Settings
   { cache      :: Bool
+  , metaCache  :: Integer
   , noVerify   :: Bool
   , keepDirs   :: KeepDirs
   , downloader :: Downloader
@@ -421,6 +425,12 @@ data Settings = Settings
   }
   deriving (Show, GHC.Generic)
 
+defaultMetaCache :: Integer
+defaultMetaCache = 300 -- 5 minutes
+
+defaultSettings :: Settings
+defaultSettings = Settings False defaultMetaCache False Never Curl False GHCupURL False GPGNone False
+
 instance NFData Settings
 
 data Dirs = Dirs

lib/GHCup/Utils.hs

@@ -111,7 +111,7 @@ import qualified Data.List.NonEmpty            as NE
 -- >>> let lc = LoggerConfig { lcPrintDebug = False, consoleOutter = mempty, fileOutter = mempty, fancyColors = False }
 -- >>> dirs' <- getAllDirs
 -- >>> let installedVersions = [ ([pver|8.10.7|], Nothing), ([pver|8.10.4|], Nothing), ([pver|8.8.4|], Nothing), ([pver|8.8.3|], Nothing) ]
--- >>> let settings = Settings True False Never Curl False GHCupURL True GPGNone False
+-- >>> let settings = Settings True 0 False Never Curl False GHCupURL True GPGNone False
 -- >>> let leanAppState = LeanAppState settings dirs' defaultKeyBindings lc
 -- >>> cwd <- getCurrentDirectory
 -- >>> (Right ref) <- pure $ parseURI strictURIParserOptions $ "file://" <> E.encodeUtf8 (T.pack cwd) <> "/data/metadata/" <> (urlBaseName . view pathL' $ ghcupURL)

lib/GHCup/Utils/Dirs.hs

@@ -57,7 +57,7 @@ import           System.IO.Temp
 
 import qualified Data.ByteString               as BS
 import qualified Data.Text                     as T
-import qualified Data.YAML.Aeson               as Y
+import qualified Data.Yaml.Aeson               as Y
 import qualified Text.Megaparsec               as MP
 import Control.Concurrent (threadDelay)
 
@@ -211,7 +211,7 @@ ghcupConfigFile = do
   contents <- liftIO $ handleIO' NoSuchThing (\_ -> pure Nothing) $ Just <$> BS.readFile filepath
   case contents of
       Nothing -> pure defaultUserSettings
-      Just contents' -> lE' JSONDecodeError . first snd . Y.decode1Strict $ contents'
+      Just contents' -> lE' JSONDecodeError . first displayException . Y.decodeEither' $ contents'
 
 
     -------------------------

lib/GHCup/Version.hs

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

scripts/bootstrap/bootstrap-haskell

@@ -25,7 +25,7 @@
 
 plat="$(uname -s)"
 arch=$(uname -m)
-ghver="0.1.17.2"
+ghver="0.1.17.3"
 base_url="https://downloads.haskell.org/~ghcup"
 
 export GHCUP_SKIP_UPDATE_CHECK=yes
@@ -201,10 +201,10 @@ download_ghcup() {
 				i*86)
 					_url=${base_url}/${ghver}/i386-linux-ghcup-${ghver}
 					;;
-				armv7*)
+				armv7*|*armv8l*)
 					_url=${base_url}/${ghver}/armv7-linux-ghcup-${ghver}
 					;;
-				aarch64|arm64|armv8l)
+				aarch64|arm64)
 					# we could be in a 32bit docker container, in which
 					# case uname doesn't give us what we want
 					if [ "$(getconf LONG_BIT)" = "32" ] ; then

stack.yaml

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

test/GHCup/Types/JSONSpec.hs

@@ -3,7 +3,7 @@
 module GHCup.Types.JSONSpec where
 
 import           GHCup.ArbitraryTypes ()
-import           GHCup.Types
+import           GHCup.Types hiding ( defaultSettings )
 import           GHCup.Types.JSON ()
 
 import           Test.Aeson.GenericSpecs