{-# LANGUAGE NoImplicitPrelude   #-}
{-# LANGUAGE OverloadedStrings   #-}
{-# LANGUAGE ScopedTypeVariables #-}

-- | A wrapper around hoogle.

module Stack.Hoogle
  ( hoogleCmd
  ) where

import qualified Data.ByteString.Lazy.Char8 as BL8
import           Data.Char ( isSpace )
import qualified Data.Text as T
import           Distribution.PackageDescription ( packageDescription, package )
import           Distribution.Types.PackageName ( mkPackageName )
import           Distribution.Version ( mkVersion )
import           Lens.Micro ( (?~) )
import           Path ( parseAbsFile )
import           Path.IO hiding ( findExecutable )
import qualified Stack.Build
import           Stack.Build.Target ( NeedTargets (NeedTargets) )
import           Stack.Prelude
import           Stack.Runners
import           Stack.Types.Config
import           Stack.Types.SourceMap
import qualified RIO.Map as Map
import           RIO.Process

-- | Type representing exceptions thrown by functions exported by the

-- "Stack.Hoogle" module.

data HoogleException
  = HoogleDatabaseNotFound
  | HoogleNotFound !Text
  | HoogleOnPathNotFoundBug
  deriving (Int -> HoogleException -> ShowS
[HoogleException] -> ShowS
HoogleException -> FilePath
forall a.
(Int -> a -> ShowS) -> (a -> FilePath) -> ([a] -> ShowS) -> Show a
showList :: [HoogleException] -> ShowS
$cshowList :: [HoogleException] -> ShowS
show :: HoogleException -> FilePath
$cshow :: HoogleException -> FilePath
showsPrec :: Int -> HoogleException -> ShowS
$cshowsPrec :: Int -> HoogleException -> ShowS
Show, Typeable)

instance Exception HoogleException where
  displayException :: HoogleException -> FilePath
displayException HoogleException
HoogleDatabaseNotFound =
    FilePath
"Error: [S-3025]\n"
    forall a. [a] -> [a] -> [a]
++ FilePath
"No Hoogle database. Not building one due to '--no-setup'."
  displayException (HoogleNotFound Text
e) =
    FilePath
"Error: [S-1329]\n"
    forall a. [a] -> [a] -> [a]
++ Text -> FilePath
T.unpack Text
e
    forall a. [a] -> [a] -> [a]
++ FilePath
"\n"
    forall a. [a] -> [a] -> [a]
++ FilePath
"Not installing Hoogle due to '--no-setup'."
  displayException HoogleException
HoogleOnPathNotFoundBug = FilePath -> ShowS
bugReport FilePath
"[S-9669]"
    FilePath
"Cannot find Hoogle executable on PATH, after installing."

-- | Helper type to duplicate log messages

data Muted = Muted | NotMuted

-- | Hoogle command.

hoogleCmd :: ([String],Bool,Bool,Bool) -> RIO Runner ()
hoogleCmd :: ([FilePath], Bool, Bool, Bool) -> RIO Runner ()
hoogleCmd ([FilePath]
args,Bool
setup,Bool
rebuild,Bool
startServer) =
  forall r (m :: * -> *) a. MonadReader r m => (r -> r) -> m a -> m a
local (forall s t a b. ASetter s t a b -> (a -> b) -> s -> t
over forall env. HasRunner env => Lens' env GlobalOpts
globalOptsL GlobalOpts -> GlobalOpts
modifyGO) forall a b. (a -> b) -> a -> b
$
  forall a. ShouldReexec -> RIO Config a -> RIO Runner a
withConfig ShouldReexec
YesReexec forall a b. (a -> b) -> a -> b
$
  forall a. RIO EnvConfig a -> RIO Config a
withDefaultEnvConfig forall a b. (a -> b) -> a -> b
$ do
    Path Abs File
hooglePath <- RIO EnvConfig (Path Abs File)
ensureHoogleInPath
    Path Abs File -> RIO EnvConfig ()
generateDbIfNeeded Path Abs File
hooglePath
    Path Abs File -> [FilePath] -> RIO EnvConfig ()
runHoogle Path Abs File
hooglePath [FilePath]
args'
  where
    modifyGO :: GlobalOpts -> GlobalOpts
    modifyGO :: GlobalOpts -> GlobalOpts
modifyGO = Lens' GlobalOpts BuildOptsMonoid
globalOptsBuildOptsMonoidL forall b c a. (b -> c) -> (a -> b) -> a -> c
. Lens' BuildOptsMonoid (Maybe Bool)
buildOptsMonoidHaddockL forall s t a b. ASetter s t a (Maybe b) -> b -> s -> t
?~ Bool
True

    args' :: [String]
    args' :: [FilePath]
args' = if Bool
startServer
                 then [FilePath
"server", FilePath
"--local", FilePath
"--port", FilePath
"8080"]
                 else []
            forall a. [a] -> [a] -> [a]
++ [FilePath]
args
    generateDbIfNeeded :: Path Abs File -> RIO EnvConfig ()
    generateDbIfNeeded :: Path Abs File -> RIO EnvConfig ()
generateDbIfNeeded Path Abs File
hooglePath = do
        Bool
databaseExists <- RIO EnvConfig Bool
checkDatabaseExists
        if Bool
databaseExists Bool -> Bool -> Bool
&& Bool -> Bool
not Bool
rebuild
            then forall (f :: * -> *) a. Applicative f => a -> f a
pure ()
            else if Bool
setup Bool -> Bool -> Bool
|| Bool
rebuild
                     then do
                         forall (m :: * -> *) env.
(MonadIO m, MonadReader env m, HasLogFunc env, HasCallStack) =>
Utf8Builder -> m ()
logWarn
                             (if Bool
rebuild
                                  then Utf8Builder
"Rebuilding database ..."
                                  else Utf8Builder
"No Hoogle database yet. Automatically building haddocks and hoogle database (use --no-setup to disable) ...")
                         RIO EnvConfig ()
buildHaddocks
                         forall (m :: * -> *) env.
(MonadIO m, MonadReader env m, HasLogFunc env, HasCallStack) =>
Utf8Builder -> m ()
logInfo Utf8Builder
"Built docs."
                         Path Abs File -> RIO EnvConfig ()
generateDb Path Abs File
hooglePath
                         forall (m :: * -> *) env.
(MonadIO m, MonadReader env m, HasLogFunc env, HasCallStack) =>
Utf8Builder -> m ()
logInfo Utf8Builder
"Generated DB."
                     else forall (m :: * -> *) e a. (MonadIO m, Exception e) => e -> m a
throwIO HoogleException
HoogleDatabaseNotFound
    generateDb :: Path Abs File -> RIO EnvConfig ()
    generateDb :: Path Abs File -> RIO EnvConfig ()
generateDb Path Abs File
hooglePath = do
        do Path Abs Dir
dir <- forall env. HasEnvConfig env => RIO env (Path Abs Dir)
hoogleRoot
           forall (m :: * -> *) b. MonadIO m => Bool -> Path b Dir -> m ()
createDirIfMissing Bool
True Path Abs Dir
dir
           Path Abs File -> [FilePath] -> RIO EnvConfig ()
runHoogle Path Abs File
hooglePath [FilePath
"generate", FilePath
"--local"]
    buildHaddocks :: RIO EnvConfig ()
    buildHaddocks :: RIO EnvConfig ()
buildHaddocks = do
      Config
config <- forall s (m :: * -> *) a. MonadReader s m => Getting a s a -> m a
view forall env. HasConfig env => Lens' env Config
configL
      forall (m :: * -> *) env a. MonadIO m => env -> RIO env a -> m a
runRIO Config
config forall a b. (a -> b) -> a -> b
$ -- a bit weird that we have to drop down like this

        forall (m :: * -> *) e a.
(MonadUnliftIO m, Exception e) =>
m a -> (e -> m a) -> m a
catch (forall a. RIO EnvConfig a -> RIO Config a
withDefaultEnvConfig forall a b. (a -> b) -> a -> b
$ forall env.
HasEnvConfig env =>
Maybe (Set (Path Abs File) -> IO ()) -> RIO env ()
Stack.Build.build forall a. Maybe a
Nothing)
              (\(ExitCode
_ :: ExitCode) -> forall (f :: * -> *) a. Applicative f => a -> f a
pure ())
    hooglePackageName :: PackageName
hooglePackageName = FilePath -> PackageName
mkPackageName FilePath
"hoogle"
    hoogleMinVersion :: Version
hoogleMinVersion = [Int] -> Version
mkVersion [Int
5, Int
0]
    hoogleMinIdent :: PackageIdentifier
hoogleMinIdent =
        PackageName -> Version -> PackageIdentifier
PackageIdentifier PackageName
hooglePackageName Version
hoogleMinVersion
    installHoogle :: RIO EnvConfig (Path Abs File)
    installHoogle :: RIO EnvConfig (Path Abs File)
installHoogle = forall x. Muted -> RIO EnvConfig x -> RIO EnvConfig x
requiringHoogle Muted
Muted forall a b. (a -> b) -> a -> b
$ do
        forall env.
HasEnvConfig env =>
Maybe (Set (Path Abs File) -> IO ()) -> RIO env ()
Stack.Build.build forall a. Maybe a
Nothing
        Either ProcessException FilePath
mhooglePath' <- forall (m :: * -> *) env.
(MonadIO m, MonadReader env m, HasProcessContext env) =>
FilePath -> m (Either ProcessException FilePath)
findExecutable FilePath
"hoogle"
        case Either ProcessException FilePath
mhooglePath' of
            Right FilePath
hooglePath -> forall (m :: * -> *). MonadThrow m => FilePath -> m (Path Abs File)
parseAbsFile FilePath
hooglePath
            Left ProcessException
_ -> forall (m :: * -> *) e a. (MonadIO m, Exception e) => e -> m a
throwIO HoogleException
HoogleOnPathNotFoundBug
    requiringHoogle :: Muted -> RIO EnvConfig x -> RIO EnvConfig x
    requiringHoogle :: forall x. Muted -> RIO EnvConfig x -> RIO EnvConfig x
requiringHoogle Muted
muted RIO EnvConfig x
f = do
        Text
hoogleTarget <- do
          Map PackageName DepPackage
sourceMap <- forall s (m :: * -> *) a. MonadReader s m => Getting a s a -> m a
view forall a b. (a -> b) -> a -> b
$ forall env. HasSourceMap env => Lens' env SourceMap
sourceMapL forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall s a. (s -> a) -> SimpleGetter s a
to SourceMap -> Map PackageName DepPackage
smDeps
          case forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup PackageName
hooglePackageName Map PackageName DepPackage
sourceMap of
            Just DepPackage
hoogleDep ->
              case DepPackage -> PackageLocation
dpLocation DepPackage
hoogleDep of
                PLImmutable PackageLocationImmutable
pli ->
                  FilePath -> Text
T.pack forall b c a. (b -> c) -> (a -> b) -> a -> c
. PackageIdentifier -> FilePath
packageIdentifierString forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$>
                      forall env.
HasLogFunc env =>
Muted -> PackageIdentifier -> RIO env PackageIdentifier
restrictMinHoogleVersion Muted
muted (PackageLocationImmutable -> PackageIdentifier
packageLocationIdent PackageLocationImmutable
pli)
                plm :: PackageLocation
plm@(PLMutable ResolvedPath Dir
_) -> do
                  FilePath -> Text
T.pack forall b c a. (b -> c) -> (a -> b) -> a -> c
. PackageIdentifier -> FilePath
packageIdentifierString forall b c a. (b -> c) -> (a -> b) -> a -> c
. PackageDescription -> PackageIdentifier
package forall b c a. (b -> c) -> (a -> b) -> a -> c
. GenericPackageDescription -> PackageDescription
packageDescription
                      forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall env.
(HasPantryConfig env, HasLogFunc env, HasProcessContext env) =>
Maybe Text -> PackageLocation -> RIO env GenericPackageDescription
loadCabalFile (forall a. a -> Maybe a
Just Text
stackProgName') PackageLocation
plm
            Maybe DepPackage
Nothing -> do
              -- not muted because this should happen only once

              forall (m :: * -> *) env.
(MonadIO m, MonadReader env m, HasLogFunc env, HasCallStack) =>
Utf8Builder -> m ()
logWarn Utf8Builder
"No hoogle version was found, trying to install the latest version"
              Maybe PackageIdentifierRevision
mpir <- forall env.
(HasPantryConfig env, HasLogFunc env) =>
RequireHackageIndex
-> PackageName
-> UsePreferredVersions
-> RIO env (Maybe PackageIdentifierRevision)
getLatestHackageVersion RequireHackageIndex
YesRequireHackageIndex PackageName
hooglePackageName UsePreferredVersions
UsePreferredVersions
              let hoogleIdent :: PackageIdentifier
hoogleIdent = case Maybe PackageIdentifierRevision
mpir of
                      Maybe PackageIdentifierRevision
Nothing -> PackageIdentifier
hoogleMinIdent
                      Just (PackageIdentifierRevision PackageName
_ Version
ver CabalFileInfo
_) ->
                          PackageName -> Version -> PackageIdentifier
PackageIdentifier PackageName
hooglePackageName Version
ver
              FilePath -> Text
T.pack forall b c a. (b -> c) -> (a -> b) -> a -> c
. PackageIdentifier -> FilePath
packageIdentifierString forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$>
                  forall env.
HasLogFunc env =>
Muted -> PackageIdentifier -> RIO env PackageIdentifier
restrictMinHoogleVersion Muted
muted PackageIdentifier
hoogleIdent
        Config
config <- forall s (m :: * -> *) a. MonadReader s m => Getting a s a -> m a
view forall env. HasConfig env => Lens' env Config
configL
        let boptsCLI :: BuildOptsCLI
boptsCLI = BuildOptsCLI
defaultBuildOptsCLI
                { boptsCLITargets :: [Text]
boptsCLITargets =  [Text
hoogleTarget]
                }
        forall (m :: * -> *) env a. MonadIO m => env -> RIO env a -> m a
runRIO Config
config forall a b. (a -> b) -> a -> b
$ forall a.
NeedTargets -> BuildOptsCLI -> RIO EnvConfig a -> RIO Config a
withEnvConfig NeedTargets
NeedTargets BuildOptsCLI
boptsCLI RIO EnvConfig x
f
    restrictMinHoogleVersion
      :: HasLogFunc env
      => Muted -> PackageIdentifier -> RIO env PackageIdentifier
    restrictMinHoogleVersion :: forall env.
HasLogFunc env =>
Muted -> PackageIdentifier -> RIO env PackageIdentifier
restrictMinHoogleVersion Muted
muted PackageIdentifier
ident = do
      if PackageIdentifier
ident forall a. Ord a => a -> a -> Bool
< PackageIdentifier
hoogleMinIdent
      then do
          forall env.
HasLogFunc env =>
LogLevel -> Muted -> Utf8Builder -> RIO env ()
muteableLog LogLevel
LevelWarn Muted
muted forall a b. (a -> b) -> a -> b
$
               Utf8Builder
"Minimum " forall a. Semigroup a => a -> a -> a
<>
               forall a. IsString a => FilePath -> a
fromString (PackageIdentifier -> FilePath
packageIdentifierString PackageIdentifier
hoogleMinIdent) forall a. Semigroup a => a -> a -> a
<>
               Utf8Builder
" is not in your index. Installing the minimum version."
          forall (f :: * -> *) a. Applicative f => a -> f a
pure PackageIdentifier
hoogleMinIdent
      else do
          forall env.
HasLogFunc env =>
LogLevel -> Muted -> Utf8Builder -> RIO env ()
muteableLog LogLevel
LevelInfo Muted
muted forall a b. (a -> b) -> a -> b
$
              Utf8Builder
"Minimum version is " forall a. Semigroup a => a -> a -> a
<>
              forall a. IsString a => FilePath -> a
fromString (PackageIdentifier -> FilePath
packageIdentifierString PackageIdentifier
hoogleMinIdent) forall a. Semigroup a => a -> a -> a
<>
              Utf8Builder
". Found acceptable " forall a. Semigroup a => a -> a -> a
<>
              forall a. IsString a => FilePath -> a
fromString (PackageIdentifier -> FilePath
packageIdentifierString PackageIdentifier
ident) forall a. Semigroup a => a -> a -> a
<>
              Utf8Builder
" in your index, requiring its installation."
          forall (f :: * -> *) a. Applicative f => a -> f a
pure PackageIdentifier
ident
    muteableLog :: HasLogFunc env => LogLevel -> Muted -> Utf8Builder -> RIO env ()
    muteableLog :: forall env.
HasLogFunc env =>
LogLevel -> Muted -> Utf8Builder -> RIO env ()
muteableLog LogLevel
logLevel Muted
muted Utf8Builder
msg =
        case Muted
muted of
            Muted
Muted -> forall (f :: * -> *) a. Applicative f => a -> f a
pure ()
            Muted
NotMuted -> forall (m :: * -> *) env.
(MonadIO m, MonadReader env m, HasLogFunc env, HasCallStack) =>
Text -> LogLevel -> Utf8Builder -> m ()
logGeneric Text
"" LogLevel
logLevel Utf8Builder
msg
    runHoogle :: Path Abs File -> [String] -> RIO EnvConfig ()
    runHoogle :: Path Abs File -> [FilePath] -> RIO EnvConfig ()
runHoogle Path Abs File
hooglePath [FilePath]
hoogleArgs = do
        Config
config <- forall s (m :: * -> *) a. MonadReader s m => Getting a s a -> m a
view forall env. HasConfig env => Lens' env Config
configL
        ProcessContext
menv <- forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO forall a b. (a -> b) -> a -> b
$ Config -> EnvSettings -> IO ProcessContext
configProcessContextSettings Config
config EnvSettings
envSettings
        Path Abs File
dbpath <- forall env. HasEnvConfig env => RIO env (Path Abs File)
hoogleDatabasePath
        let databaseArg :: [FilePath]
databaseArg = [FilePath
"--database=" forall a. [a] -> [a] -> [a]
++ forall b t. Path b t -> FilePath
toFilePath Path Abs File
dbpath]
        forall env a.
HasProcessContext env =>
ProcessContext -> RIO env a -> RIO env a
withProcessContext ProcessContext
menv forall a b. (a -> b) -> a -> b
$ forall env (m :: * -> *) a.
(HasProcessContext env, HasLogFunc env, MonadReader env m,
 MonadIO m, HasCallStack) =>
FilePath -> [FilePath] -> (ProcessConfig () () () -> m a) -> m a
proc
          (forall b t. Path b t -> FilePath
toFilePath Path Abs File
hooglePath)
          ([FilePath]
hoogleArgs forall a. [a] -> [a] -> [a]
++ [FilePath]
databaseArg)
          forall (m :: * -> *) stdin stdout stderr.
MonadIO m =>
ProcessConfig stdin stdout stderr -> m ()
runProcess_
    checkDatabaseExists :: RIO EnvConfig Bool
checkDatabaseExists = do
        Path Abs File
path <- forall env. HasEnvConfig env => RIO env (Path Abs File)
hoogleDatabasePath
        forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (forall (m :: * -> *) b. MonadIO m => Path b File -> m Bool
doesFileExist Path Abs File
path)
    ensureHoogleInPath :: RIO EnvConfig (Path Abs File)
    ensureHoogleInPath :: RIO EnvConfig (Path Abs File)
ensureHoogleInPath = do
        Config
config <- forall s (m :: * -> *) a. MonadReader s m => Getting a s a -> m a
view forall env. HasConfig env => Lens' env Config
configL
        ProcessContext
menv <- forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO forall a b. (a -> b) -> a -> b
$ Config -> EnvSettings -> IO ProcessContext
configProcessContextSettings Config
config EnvSettings
envSettings
        Either ProcessException FilePath
mhooglePath <- forall (m :: * -> *) env a. MonadIO m => env -> RIO env a -> m a
runRIO ProcessContext
menv (forall (m :: * -> *) env.
(MonadIO m, MonadReader env m, HasProcessContext env) =>
FilePath -> m (Either ProcessException FilePath)
findExecutable FilePath
"hoogle") forall a. Semigroup a => a -> a -> a
<>
          forall x. Muted -> RIO EnvConfig x -> RIO EnvConfig x
requiringHoogle Muted
NotMuted (forall (m :: * -> *) env.
(MonadIO m, MonadReader env m, HasProcessContext env) =>
FilePath -> m (Either ProcessException FilePath)
findExecutable FilePath
"hoogle")
        Either Text FilePath
eres <- case Either ProcessException FilePath
mhooglePath of
            Left ProcessException
_ -> forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a b. (a -> b) -> a -> b
$ forall a b. a -> Either a b
Left Text
"Hoogle isn't installed."
            Right FilePath
hooglePath -> do
                Either SomeException ByteString
result <- forall env a.
HasProcessContext env =>
ProcessContext -> RIO env a -> RIO env a
withProcessContext ProcessContext
menv
                        forall a b. (a -> b) -> a -> b
$ forall env (m :: * -> *) a.
(HasProcessContext env, HasLogFunc env, MonadReader env m,
 MonadIO m, HasCallStack) =>
FilePath -> [FilePath] -> (ProcessConfig () () () -> m a) -> m a
proc FilePath
hooglePath [FilePath
"--numeric-version"]
                        forall a b. (a -> b) -> a -> b
$ forall (m :: * -> *) a.
MonadUnliftIO m =>
m a -> m (Either SomeException a)
tryAny forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap forall a b. (a, b) -> a
fst forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (m :: * -> *) stdin stdoutIgnored stderrIgnored.
MonadIO m =>
ProcessConfig stdin stdoutIgnored stderrIgnored
-> m (ByteString, ByteString)
readProcess_
                let unexpectedResult :: Text -> Either Text b
unexpectedResult Text
got = forall a b. a -> Either a b
Left forall a b. (a -> b) -> a -> b
$ [Text] -> Text
T.concat
                        [ Text
"'"
                        , FilePath -> Text
T.pack FilePath
hooglePath
                        , Text
" --numeric-version' did not respond with expected value. Got: "
                        , Text
got
                        ]
                forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a b. (a -> b) -> a -> b
$ case Either SomeException ByteString
result of
                    Left SomeException
err -> forall {b}. Text -> Either Text b
unexpectedResult forall a b. (a -> b) -> a -> b
$ FilePath -> Text
T.pack (forall e. Exception e => e -> FilePath
displayException SomeException
err)
                    Right ByteString
bs -> case FilePath -> Maybe Version
parseVersion (forall a. (a -> Bool) -> [a] -> [a]
takeWhile (Bool -> Bool
not forall b c a. (b -> c) -> (a -> b) -> a -> c
. Char -> Bool
isSpace) (ByteString -> FilePath
BL8.unpack ByteString
bs)) of
                        Maybe Version
Nothing -> forall {b}. Text -> Either Text b
unexpectedResult forall a b. (a -> b) -> a -> b
$ FilePath -> Text
T.pack (ByteString -> FilePath
BL8.unpack ByteString
bs)
                        Just Version
ver
                            | Version
ver forall a. Ord a => a -> a -> Bool
>= Version
hoogleMinVersion -> forall a b. b -> Either a b
Right FilePath
hooglePath
                            | Bool
otherwise -> forall a b. a -> Either a b
Left forall a b. (a -> b) -> a -> b
$ [Text] -> Text
T.concat
                                [ Text
"Installed Hoogle is too old, "
                                , FilePath -> Text
T.pack FilePath
hooglePath
                                , Text
" is version "
                                , FilePath -> Text
T.pack forall a b. (a -> b) -> a -> b
$ Version -> FilePath
versionString Version
ver
                                , Text
" but >= 5.0 is required."
                                ]
        case Either Text FilePath
eres of
            Right FilePath
hooglePath -> forall (m :: * -> *). MonadThrow m => FilePath -> m (Path Abs File)
parseAbsFile FilePath
hooglePath
            Left Text
err
                | Bool
setup -> do
                    forall (m :: * -> *) env.
(MonadIO m, MonadReader env m, HasLogFunc env, HasCallStack) =>
Utf8Builder -> m ()
logWarn forall a b. (a -> b) -> a -> b
$ forall a. Display a => a -> Utf8Builder
display Text
err forall a. Semigroup a => a -> a -> a
<> Utf8Builder
" Automatically installing (use --no-setup to disable) ..."
                    RIO EnvConfig (Path Abs File)
installHoogle
                | Bool
otherwise -> forall (m :: * -> *) e a. (MonadIO m, Exception e) => e -> m a
throwIO forall a b. (a -> b) -> a -> b
$ Text -> HoogleException
HoogleNotFound Text
err
    envSettings :: EnvSettings
envSettings =
        EnvSettings
        { esIncludeLocals :: Bool
esIncludeLocals = Bool
True
        , esIncludeGhcPackagePath :: Bool
esIncludeGhcPackagePath = Bool
True
        , esStackExe :: Bool
esStackExe = Bool
True
        , esLocaleUtf8 :: Bool
esLocaleUtf8 = Bool
False
        , esKeepGhcRts :: Bool
esKeepGhcRts = Bool
False
        }