{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE RankNTypes #-}

module Distribution.Simple.HaskellSuite where

import Distribution.Compat.Prelude
import Prelude ()

import qualified Data.List.NonEmpty as NE

import Distribution.InstalledPackageInfo hiding (includeDirs)
import Distribution.Package
import Distribution.PackageDescription
import Distribution.Parsec (simpleParsec)
import Distribution.Pretty
import Distribution.Simple.BuildPaths
import Distribution.Simple.Compiler
import Distribution.Simple.Errors
import Distribution.Simple.LocalBuildInfo
import Distribution.Simple.PackageIndex as PackageIndex
import Distribution.Simple.Program
import Distribution.Simple.Program.Builtin
import Distribution.Simple.Utils
import Distribution.System (Platform)
import Distribution.Utils.Path
import Distribution.Verbosity
import Distribution.Version
import Language.Haskell.Extension

configure
  :: Verbosity
  -> Maybe FilePath
  -> Maybe FilePath
  -> ProgramDb
  -> IO (Compiler, Maybe Platform, ProgramDb)
configure :: Verbosity
-> Maybe String
-> Maybe String
-> ProgramDb
-> IO (Compiler, Maybe Platform, ProgramDb)
configure Verbosity
verbosity Maybe String
mbHcPath Maybe String
hcPkgPath ProgramDb
progdb0 = do
  -- We have no idea how a haskell-suite tool is named, so we require at
  -- least some information from the user.
  hcPath <-
    let msg :: String
msg = String
"You have to provide name or path of a haskell-suite tool (-w PATH)"
     in IO String -> (String -> IO String) -> Maybe String -> IO String
forall b a. b -> (a -> b) -> Maybe a -> b
maybe (Verbosity -> CabalException -> IO String
forall a1 a.
(HasCallStack, Show a1, Typeable a1,
 Exception (VerboseException a1)) =>
Verbosity -> a1 -> IO a
dieWithException Verbosity
verbosity (CabalException -> IO String) -> CabalException -> IO String
forall a b. (a -> b) -> a -> b
$ String -> CabalException
ProvideHaskellSuiteTool String
msg) String -> IO String
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe String
mbHcPath

  when (isJust hcPkgPath) $
    warn verbosity "--with-hc-pkg option is ignored for haskell-suite"

  (comp, confdCompiler, progdb1) <- configureCompiler hcPath progdb0

  -- Update our pkg tool. It uses the same executable as the compiler, but
  -- all command start with "pkg"
  (confdPkg, _) <- requireProgram verbosity haskellSuitePkgProgram progdb1
  let progdb2 =
        ConfiguredProgram -> ProgramDb -> ProgramDb
updateProgram
          ConfiguredProgram
confdPkg
            { programLocation = programLocation confdCompiler
            , programDefaultArgs = ["pkg"]
            }
          ProgramDb
progdb1

  return (comp, Nothing, progdb2)
  where
    configureCompiler :: String -> ProgramDb -> IO (Compiler, ConfiguredProgram, ProgramDb)
configureCompiler String
hcPath ProgramDb
progdb0' = do
      let
        haskellSuiteProgram' :: Program
haskellSuiteProgram' =
          Program
haskellSuiteProgram
            { programFindLocation = \Verbosity
v ProgramSearchPath
p -> Verbosity
-> ProgramSearchPath -> String -> IO (Maybe (String, [String]))
findProgramOnSearchPath Verbosity
v ProgramSearchPath
p String
hcPath
            }

      -- NB: cannot call requireProgram right away — it'd think that
      -- the program is already configured and won't reconfigure it again.
      -- Instead, call configureProgram directly first.
      progdb1 <- Verbosity -> Program -> ProgramDb -> IO ProgramDb
configureProgram Verbosity
verbosity Program
haskellSuiteProgram' ProgramDb
progdb0'
      (confdCompiler, progdb2) <- requireProgram verbosity haskellSuiteProgram' progdb1

      extensions <- getExtensions verbosity confdCompiler
      languages <- getLanguages verbosity confdCompiler
      (compName, compVersion) <-
        getCompilerVersion verbosity confdCompiler

      let
        comp =
          Compiler
            { compilerId :: CompilerId
compilerId = CompilerFlavor -> Version -> CompilerId
CompilerId (String -> CompilerFlavor
HaskellSuite String
compName) Version
compVersion
            , compilerAbiTag :: AbiTag
compilerAbiTag = AbiTag
NoAbiTag
            , compilerCompat :: [CompilerId]
compilerCompat = []
            , compilerLanguages :: [(Language, String)]
compilerLanguages = [(Language, String)]
languages
            , compilerExtensions :: [(Extension, Maybe String)]
compilerExtensions = [(Extension, Maybe String)]
extensions
            , compilerProperties :: Map String String
compilerProperties = Map String String
forall a. Monoid a => a
mempty
            }

      return (comp, confdCompiler, progdb2)

hstoolVersion :: Verbosity -> FilePath -> IO (Maybe Version)
hstoolVersion :: Verbosity -> String -> IO (Maybe Version)
hstoolVersion = String
-> (String -> String) -> Verbosity -> String -> IO (Maybe Version)
findProgramVersion String
"--hspkg-version" String -> String
forall a. a -> a
id

numericVersion :: Verbosity -> FilePath -> IO (Maybe Version)
numericVersion :: Verbosity -> String -> IO (Maybe Version)
numericVersion = String
-> (String -> String) -> Verbosity -> String -> IO (Maybe Version)
findProgramVersion String
"--compiler-version" (String -> Maybe String -> String
forall a. a -> Maybe a -> a
fromMaybe String
"" (Maybe String -> String)
-> (String -> Maybe String) -> String -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [String] -> Maybe String
forall a. [a] -> Maybe a
safeLast ([String] -> Maybe String)
-> (String -> [String]) -> String -> Maybe String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> [String]
words)

getCompilerVersion :: Verbosity -> ConfiguredProgram -> IO (String, Version)
getCompilerVersion :: Verbosity -> ConfiguredProgram -> IO (String, Version)
getCompilerVersion Verbosity
verbosity ConfiguredProgram
prog = do
  output <- Verbosity -> String -> [String] -> IO String
forall mode.
KnownIODataMode mode =>
Verbosity -> String -> [String] -> IO mode
rawSystemStdout Verbosity
verbosity (ConfiguredProgram -> String
programPath ConfiguredProgram
prog) [String
"--compiler-version"]
  let
    parts = String -> [String]
words String
output
    name = [String] -> String
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat ([String] -> String) -> [String] -> String
forall a b. (a -> b) -> a -> b
$ [String] -> [String]
forall a. [a] -> [a]
safeInit [String]
parts -- there shouldn't be any spaces in the name anyway
    versionStr = String -> Maybe String -> String
forall a. a -> Maybe a -> a
fromMaybe String
"" (Maybe String -> String) -> Maybe String -> String
forall a b. (a -> b) -> a -> b
$ [String] -> Maybe String
forall a. [a] -> Maybe a
safeLast [String]
parts
  version <-
    maybe
      (dieWithException verbosity CannotDetermineCompilerVersion)
      return
      $ simpleParsec versionStr
  return (name, version)

getExtensions :: Verbosity -> ConfiguredProgram -> IO [(Extension, Maybe CompilerFlag)]
getExtensions :: Verbosity -> ConfiguredProgram -> IO [(Extension, Maybe String)]
getExtensions Verbosity
verbosity ConfiguredProgram
prog = do
  extStrs <-
    String -> [String]
lines
      (String -> [String]) -> IO String -> IO [String]
forall a b. (a -> b) -> IO a -> IO b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
`fmap` Verbosity -> String -> [String] -> IO String
forall mode.
KnownIODataMode mode =>
Verbosity -> String -> [String] -> IO mode
rawSystemStdout Verbosity
verbosity (ConfiguredProgram -> String
programPath ConfiguredProgram
prog) [String
"--supported-extensions"]
  return
    [(ext, Just $ "-X" ++ prettyShow ext) | Just ext <- map simpleParsec extStrs]

getLanguages :: Verbosity -> ConfiguredProgram -> IO [(Language, CompilerFlag)]
getLanguages :: Verbosity -> ConfiguredProgram -> IO [(Language, String)]
getLanguages Verbosity
verbosity ConfiguredProgram
prog = do
  langStrs <-
    String -> [String]
lines
      (String -> [String]) -> IO String -> IO [String]
forall a b. (a -> b) -> IO a -> IO b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
`fmap` Verbosity -> String -> [String] -> IO String
forall mode.
KnownIODataMode mode =>
Verbosity -> String -> [String] -> IO mode
rawSystemStdout Verbosity
verbosity (ConfiguredProgram -> String
programPath ConfiguredProgram
prog) [String
"--supported-languages"]
  return
    [(ext, "-G" ++ prettyShow ext) | Just ext <- map simpleParsec langStrs]

-- Other compilers do some kind of a packagedb stack check here. Not sure
-- if we need something like that as well.
getInstalledPackages
  :: Verbosity
  -> PackageDBStack
  -> ProgramDb
  -> IO InstalledPackageIndex
getInstalledPackages :: Verbosity
-> PackageDBStack -> ProgramDb -> IO InstalledPackageIndex
getInstalledPackages Verbosity
verbosity PackageDBStack
packagedbs ProgramDb
progdb =
  ([[InstalledPackageInfo]] -> InstalledPackageIndex)
-> IO [[InstalledPackageInfo]] -> IO InstalledPackageIndex
forall (m :: * -> *) a1 r. Monad m => (a1 -> r) -> m a1 -> m r
liftM ([InstalledPackageInfo] -> InstalledPackageIndex
PackageIndex.fromList ([InstalledPackageInfo] -> InstalledPackageIndex)
-> ([[InstalledPackageInfo]] -> [InstalledPackageInfo])
-> [[InstalledPackageInfo]]
-> InstalledPackageIndex
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [[InstalledPackageInfo]] -> [InstalledPackageInfo]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat) (IO [[InstalledPackageInfo]] -> IO InstalledPackageIndex)
-> IO [[InstalledPackageInfo]] -> IO InstalledPackageIndex
forall a b. (a -> b) -> a -> b
$ PackageDBStack
-> (PackageDB -> IO [InstalledPackageInfo])
-> IO [[InstalledPackageInfo]]
forall (t :: * -> *) (f :: * -> *) a b.
(Traversable t, Applicative f) =>
t a -> (a -> f b) -> f (t b)
for PackageDBStack
packagedbs ((PackageDB -> IO [InstalledPackageInfo])
 -> IO [[InstalledPackageInfo]])
-> (PackageDB -> IO [InstalledPackageInfo])
-> IO [[InstalledPackageInfo]]
forall a b. (a -> b) -> a -> b
$ \PackageDB
packagedb ->
    do
      str <-
        Verbosity -> Program -> ProgramDb -> [String] -> IO String
getDbProgramOutput
          Verbosity
verbosity
          Program
haskellSuitePkgProgram
          ProgramDb
progdb
          [String
"dump", PackageDB -> String
packageDbOpt PackageDB
packagedb]
          IO String -> (ExitCode -> IO String) -> IO String
forall a. IO a -> (ExitCode -> IO a) -> IO a
`catchExit` \ExitCode
_ -> Verbosity -> CabalException -> IO String
forall a1 a.
(HasCallStack, Show a1, Typeable a1,
 Exception (VerboseException a1)) =>
Verbosity -> a1 -> IO a
dieWithException Verbosity
verbosity CabalException
PkgDumpFailed

      case parsePackages str of
        Right [InstalledPackageInfo]
ok -> [InstalledPackageInfo] -> IO [InstalledPackageInfo]
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return [InstalledPackageInfo]
ok
        Either [String] [InstalledPackageInfo]
_ -> Verbosity -> CabalException -> IO [InstalledPackageInfo]
forall a1 a.
(HasCallStack, Show a1, Typeable a1,
 Exception (VerboseException a1)) =>
Verbosity -> a1 -> IO a
dieWithException Verbosity
verbosity CabalException
FailedToParseOutput
  where
    parsePackages :: String -> Either [String] [InstalledPackageInfo]
parsePackages String
str =
      case [Either (NonEmpty String) ([String], InstalledPackageInfo)]
-> ([NonEmpty String], [([String], InstalledPackageInfo)])
forall a b. [Either a b] -> ([a], [b])
partitionEithers ([Either (NonEmpty String) ([String], InstalledPackageInfo)]
 -> ([NonEmpty String], [([String], InstalledPackageInfo)]))
-> [Either (NonEmpty String) ([String], InstalledPackageInfo)]
-> ([NonEmpty String], [([String], InstalledPackageInfo)])
forall a b. (a -> b) -> a -> b
$ (String
 -> Either (NonEmpty String) ([String], InstalledPackageInfo))
-> [String]
-> [Either (NonEmpty String) ([String], InstalledPackageInfo)]
forall a b. (a -> b) -> [a] -> [b]
map (ByteString
-> Either (NonEmpty String) ([String], InstalledPackageInfo)
parseInstalledPackageInfo (ByteString
 -> Either (NonEmpty String) ([String], InstalledPackageInfo))
-> (String -> ByteString)
-> String
-> Either (NonEmpty String) ([String], InstalledPackageInfo)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> ByteString
toUTF8BS) (String -> [String]
splitPkgs String
str) of
        ([], [([String], InstalledPackageInfo)]
ok) -> [InstalledPackageInfo] -> Either [String] [InstalledPackageInfo]
forall a b. b -> Either a b
Right [InstalledPackageInfo
pkg | ([String]
_, InstalledPackageInfo
pkg) <- [([String], InstalledPackageInfo)]
ok]
        ([NonEmpty String]
msgss, [([String], InstalledPackageInfo)]
_) -> [String] -> Either [String] [InstalledPackageInfo]
forall a b. a -> Either a b
Left ((NonEmpty String -> [String]) -> [NonEmpty String] -> [String]
forall m a. Monoid m => (a -> m) -> [a] -> m
forall (t :: * -> *) m a.
(Foldable t, Monoid m) =>
(a -> m) -> t a -> m
foldMap NonEmpty String -> [String]
forall a. NonEmpty a -> [a]
NE.toList [NonEmpty String]
msgss)

    splitPkgs :: String -> [String]
    splitPkgs :: String -> [String]
splitPkgs = ([String] -> String) -> [[String]] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map [String] -> String
unlines ([[String]] -> [String])
-> (String -> [[String]]) -> String -> [String]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (String -> Bool) -> [String] -> [[String]]
forall a. (a -> Bool) -> [a] -> [[a]]
splitWith (String
"---" String -> String -> Bool
forall a. Eq a => a -> a -> Bool
==) ([String] -> [[String]])
-> (String -> [String]) -> String -> [[String]]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> [String]
lines
      where
        splitWith :: (a -> Bool) -> [a] -> [[a]]
        splitWith :: forall a. (a -> Bool) -> [a] -> [[a]]
splitWith a -> Bool
p [a]
xs =
          [a]
ys [a] -> [[a]] -> [[a]]
forall a. a -> [a] -> [a]
: case [a]
zs of
            [] -> []
            a
_ : [a]
ws -> (a -> Bool) -> [a] -> [[a]]
forall a. (a -> Bool) -> [a] -> [[a]]
splitWith a -> Bool
p [a]
ws
          where
            ([a]
ys, [a]
zs) = (a -> Bool) -> [a] -> ([a], [a])
forall a. (a -> Bool) -> [a] -> ([a], [a])
break a -> Bool
p [a]
xs

buildLib
  :: Verbosity
  -> PackageDescription
  -> LocalBuildInfo
  -> Library
  -> ComponentLocalBuildInfo
  -> IO ()
buildLib :: Verbosity
-> PackageDescription
-> LocalBuildInfo
-> Library
-> ComponentLocalBuildInfo
-> IO ()
buildLib Verbosity
verbosity PackageDescription
pkg_descr LocalBuildInfo
lbi Library
lib ComponentLocalBuildInfo
clbi = do
  -- In future, there should be a mechanism for the compiler to request any
  -- number of the above parameters (or their parts) — in particular,
  -- pieces of PackageDescription.
  --
  -- For now, we only pass those that we know are used.

  let odir :: String
odir = LocalBuildInfo -> String
buildDir LocalBuildInfo
lbi
      bi :: BuildInfo
bi = Library -> BuildInfo
libBuildInfo Library
lib
      srcDirs :: [String]
srcDirs = (SymbolicPath PackageDir SourceDir -> String)
-> [SymbolicPath PackageDir SourceDir] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map SymbolicPath PackageDir SourceDir -> String
forall from to. SymbolicPath from to -> String
getSymbolicPath (BuildInfo -> [SymbolicPath PackageDir SourceDir]
hsSourceDirs BuildInfo
bi) [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
odir]
      dbStack :: PackageDBStack
dbStack = LocalBuildInfo -> PackageDBStack
withPackageDB LocalBuildInfo
lbi
      language :: Language
language = Language -> Maybe Language -> Language
forall a. a -> Maybe a -> a
fromMaybe Language
Haskell98 (BuildInfo -> Maybe Language
defaultLanguage BuildInfo
bi)
      progdb :: ProgramDb
progdb = LocalBuildInfo -> ProgramDb
withPrograms LocalBuildInfo
lbi
      pkgid :: PackageIdentifier
pkgid = PackageDescription -> PackageIdentifier
forall pkg. Package pkg => pkg -> PackageIdentifier
packageId PackageDescription
pkg_descr

  Verbosity -> Program -> ProgramDb -> [String] -> IO ()
runDbProgram Verbosity
verbosity Program
haskellSuiteProgram ProgramDb
progdb ([String] -> IO ()) -> [String] -> IO ()
forall a b. (a -> b) -> a -> b
$
    [String
"compile", String
"--build-dir", String
odir]
      [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-i", String
d] | String
d <- [String]
srcDirs]
      [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
        [ [String
"-I", String
d]
        | String
d <-
            [ LocalBuildInfo -> ComponentLocalBuildInfo -> String
autogenComponentModulesDir LocalBuildInfo
lbi ComponentLocalBuildInfo
clbi
            , LocalBuildInfo -> String
autogenPackageModulesDir LocalBuildInfo
lbi
            , String
odir
            ]
              [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ BuildInfo -> [String]
includeDirs BuildInfo
bi
        ]
      [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [PackageDB -> String
packageDbOpt PackageDB
pkgDb | PackageDB
pkgDb <- PackageDBStack
dbStack]
      [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"--package-name", PackageIdentifier -> String
forall a. Pretty a => a -> String
prettyShow PackageIdentifier
pkgid]
      [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
        [ [String
"--package-id", UnitId -> String
forall a. Pretty a => a -> String
prettyShow UnitId
ipkgid]
        | (UnitId
ipkgid, MungedPackageId
_) <- ComponentLocalBuildInfo -> [(UnitId, MungedPackageId)]
componentPackageDeps ComponentLocalBuildInfo
clbi
        ]
      [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"-G", Language -> String
forall a. Pretty a => a -> String
prettyShow Language
language]
      [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-X", Extension -> String
forall a. Pretty a => a -> String
prettyShow Extension
ex] | Extension
ex <- BuildInfo -> [Extension]
usedExtensions BuildInfo
bi]
      [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ BuildInfo -> [String]
cppOptions (Library -> BuildInfo
libBuildInfo Library
lib)
      [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [ModuleName -> String
forall a. Pretty a => a -> String
prettyShow ModuleName
modu | ModuleName
modu <- Library -> ComponentLocalBuildInfo -> [ModuleName]
allLibModules Library
lib ComponentLocalBuildInfo
clbi]

installLib
  :: Verbosity
  -> LocalBuildInfo
  -> FilePath
  -- ^ install location
  -> FilePath
  -- ^ install location for dynamic libraries
  -> FilePath
  -- ^ Build location
  -> PackageDescription
  -> Library
  -> ComponentLocalBuildInfo
  -> IO ()
installLib :: Verbosity
-> LocalBuildInfo
-> String
-> String
-> String
-> PackageDescription
-> Library
-> ComponentLocalBuildInfo
-> IO ()
installLib Verbosity
verbosity LocalBuildInfo
lbi String
targetDir String
dynlibTargetDir String
builtDir PackageDescription
pkg Library
lib ComponentLocalBuildInfo
clbi = do
  let progdb :: ProgramDb
progdb = LocalBuildInfo -> ProgramDb
withPrograms LocalBuildInfo
lbi
  Verbosity -> Program -> ProgramDb -> [String] -> IO ()
runDbProgram Verbosity
verbosity Program
haskellSuitePkgProgram ProgramDb
progdb ([String] -> IO ()) -> [String] -> IO ()
forall a b. (a -> b) -> a -> b
$
    [ String
"install-library"
    , String
"--build-dir"
    , String
builtDir
    , String
"--target-dir"
    , String
targetDir
    , String
"--dynlib-target-dir"
    , String
dynlibTargetDir
    , String
"--package-id"
    , PackageIdentifier -> String
forall a. Pretty a => a -> String
prettyShow (PackageIdentifier -> String) -> PackageIdentifier -> String
forall a b. (a -> b) -> a -> b
$ PackageDescription -> PackageIdentifier
forall pkg. Package pkg => pkg -> PackageIdentifier
packageId PackageDescription
pkg
    ]
      [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ (ModuleName -> String) -> [ModuleName] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map ModuleName -> String
forall a. Pretty a => a -> String
prettyShow (Library -> ComponentLocalBuildInfo -> [ModuleName]
allLibModules Library
lib ComponentLocalBuildInfo
clbi)

registerPackage
  :: Verbosity
  -> ProgramDb
  -> PackageDBStack
  -> InstalledPackageInfo
  -> IO ()
registerPackage :: Verbosity
-> ProgramDb -> PackageDBStack -> InstalledPackageInfo -> IO ()
registerPackage Verbosity
verbosity ProgramDb
progdb PackageDBStack
packageDbs InstalledPackageInfo
installedPkgInfo = do
  (hspkg, _) <- Verbosity
-> Program -> ProgramDb -> IO (ConfiguredProgram, ProgramDb)
requireProgram Verbosity
verbosity Program
haskellSuitePkgProgram ProgramDb
progdb

  runProgramInvocation verbosity $
    ( programInvocation
        hspkg
        ["update", packageDbOpt $ registrationPackageDB packageDbs]
    )
      { progInvokeInput = Just $ IODataText $ showInstalledPackageInfo installedPkgInfo
      }

initPackageDB :: Verbosity -> ProgramDb -> FilePath -> IO ()
initPackageDB :: Verbosity -> ProgramDb -> String -> IO ()
initPackageDB Verbosity
verbosity ProgramDb
progdb String
dbPath =
  Verbosity -> Program -> ProgramDb -> [String] -> IO ()
runDbProgram
    Verbosity
verbosity
    Program
haskellSuitePkgProgram
    ProgramDb
progdb
    [String
"init", String
dbPath]

packageDbOpt :: PackageDB -> String
packageDbOpt :: PackageDB -> String
packageDbOpt PackageDB
GlobalPackageDB = String
"--global"
packageDbOpt PackageDB
UserPackageDB = String
"--user"
packageDbOpt (SpecificPackageDB String
db) = String
"--package-db=" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
db