{-# LANGUAGE CPP #-} module SimpleCabal ( findCabalFile, finalPackageDescription, getPackageId, -- dependencies, #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,4,0) buildDepends, #endif buildDependencies, setupDependencies, testsuiteDependencies, allBuildInfo, BuildInfo (..), depPkgName, exeDepName, pkgcfgDepName, FlagName, mkFlagName, #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(1,20,0) #else licenseFiles, #endif PackageDescription (..), PackageIdentifier (..), PackageName, mkPackageName, unPackageName, packageName, packageVersion, readGenericPackageDescription, showPkgId, showVersion, tryFindPackageDesc ) where #if (defined(MIN_VERSION_base) && MIN_VERSION_base(4,8,0)) #else import Control.Applicative ((<$>)) #endif import Data.List (delete, nub) import Distribution.Compiler import Distribution.Package ( packageName, #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(1,22,0) #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) depPkgName, mkPackageName, unPackageName, unPkgconfigName, #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,4,0) Dependency, #endif #else #endif #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) #else Dependency (..), #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) PackageName, #else PackageName (..), #endif PackageIdentifier (..), ) import Distribution.PackageDescription ( PackageDescription (..), allBuildInfo, BuildInfo (..), -- buildToolDepends, #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,4,0) enabledBuildDepends, #endif extraLibs, #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) FlagName, mkFlagName, #else FlagName (..), #endif GenericPackageDescription(packageDescription), #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,2,0) mkFlagAssignment, #endif pkgconfigDepends, #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(1,24,0) setupDepends, #endif targetBuildDepends, TestSuite (..) ) #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) import Distribution.PackageDescription.Configuration (finalizePD) import Distribution.Types.ComponentRequestedSpec (defaultComponentRequestedSpec) import Distribution.Types.LegacyExeDependency (LegacyExeDependency (..)) import Distribution.Types.PkgconfigDependency (PkgconfigDependency (..)) #else import Distribution.PackageDescription.Configuration (finalizePackageDescription) #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,2,0) import Distribution.PackageDescription.Parsec (readGenericPackageDescription) #elif defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) import Distribution.PackageDescription.Parse (readGenericPackageDescription) #else import Distribution.PackageDescription.Parse (readPackageDescription) #endif import Distribution.Simple.Compiler ( #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(1,22,0) compilerInfo #else Compiler (..) #endif ) import Distribution.Simple.Configure ( #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(1,18,0) configCompilerEx #else configCompiler #endif ) #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) --import Distribution.Simple.BuildToolDepends (getAllToolDependencies) import Distribution.Simple.Program (defaultProgramDb) #else import Distribution.Simple.Program (defaultProgramConfiguration) #endif import Distribution.Simple.Utils ( #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(1,20,0) tryFindPackageDesc #else findPackageDesc #endif ) import Distribution.System (Platform (..), buildArch, buildOS) import Distribution.Verbosity (normal, #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) #else Verbosity #endif ) #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,2,0) import Distribution.Pretty (prettyShow) #else #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) import Distribution.Version (showVersion) #else import Data.Version (showVersion) #endif #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,2,0) import qualified Distribution.Version (Version) #endif import System.Directory (getDirectoryContents) import System.FilePath (takeExtension) -- | Find the .cabal file in the current directory. -- -- Errors if more than one or no file found. -- -- since @0.0.0.1@ findCabalFile :: IO FilePath findCabalFile = do allCabals <- filesWithExtension "." ".cabal" case allCabals of [file] -> return file [] -> error "No .cabal file found" _ -> error "More than one .cabal file found!" where filesWithExtension :: FilePath -> String -> IO [FilePath] filesWithExtension dir ext = filter (\ f -> takeExtension f == ext && head f /= '.') <$> getDirectoryContents dir -- | Get the package name-version from the .cabal file in the current directory. -- -- since @0.0.0.1@ getPackageId :: IO PackageIdentifier getPackageId = do gpd <- findCabalFile >>= readGenericPackageDescription normal return $ package $ packageDescription gpd #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) #else readGenericPackageDescription :: Verbosity -> FilePath -> IO GenericPackageDescription readGenericPackageDescription = readPackageDescription #endif -- | Generate PackageDescription from the specified .cabal file and flags. -- -- since @0.0.0.1@ finalPackageDescription :: [(FlagName, Bool)] -> FilePath -> IO PackageDescription finalPackageDescription flags cabalfile = do #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) #else let defaultProgramDb = defaultProgramConfiguration #endif genPkgDesc <- readGenericPackageDescription normal cabalfile compiler <- do #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(1,18,0) (compiler, _, _) <- configCompilerEx #else (compiler, _) <- configCompiler #endif (Just GHC) Nothing Nothing defaultProgramDb normal #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(1,22,0) return (compilerInfo compiler) #else return (compilerId compiler) #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,2,0) #else let mkFlagAssignment = id #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) let finalizePackageDescription flags' = finalizePD flags' defaultComponentRequestedSpec #endif let final = finalizePackageDescription (mkFlagAssignment flags) (const True) (Platform buildArch buildOS) compiler [] genPkgDesc case final of Left e -> error $ "finalize failed: " ++ show e Right res -> return $ fst res -- | Return the list of build dependencies of a package, excluding itself buildDependencies :: PackageDescription -> [PackageName] buildDependencies pkgDesc = let deps = nub $ map depPkgName (buildDepends pkgDesc) self = pkgName $ package pkgDesc in delete self deps -- | Return the list of testsuite dependencies of a package, excluding itself testsuiteDependencies :: PackageDescription -> [PackageName] testsuiteDependencies pkgDesc = let self = pkgName $ package pkgDesc in delete self . nub . map depPkgName $ concatMap (targetBuildDepends . testBuildInfo) (testSuites pkgDesc) packageVersion :: PackageIdentifier -> String packageVersion = #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,2,0) prettyShow . pkgVersion #else showVersion . pkgVersion #endif showPkgId :: PackageIdentifier -> String showPkgId pkgid = #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,2,0) prettyShow pkgid #else unPackageName (packageName pkgid) ++ "-" ++ packageVersion pkgid #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(1,22,0) #else unPackageName :: PackageName -> String unPackageName (PackageName n) = n #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,2,0) showVersion :: Distribution.Version.Version -> String showVersion = prettyShow #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) #else mkFlagName :: String -> FlagName mkFlagName = FlagName #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(1,20,0) #else tryFindPackageDesc :: FilePath -> IO FilePath tryFindPackageDesc = findPackageDesc #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(1,20,0) #else licenseFiles :: PackageDescription -> [FilePath] licenseFiles pkgDesc = [licenseFile pkgDesc | licenseFile pkgDesc /= ""] #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,4,0) buildDepends :: PackageDescription -> [Dependency] buildDepends = flip enabledBuildDepends defaultComponentRequestedSpec #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) exeDepName :: LegacyExeDependency -> String exeDepName (LegacyExeDependency n _) = n pkgcfgDepName :: PkgconfigDependency -> String pkgcfgDepName (PkgconfigDependency n _) = unPkgconfigName n #else depPkgName :: Dependency -> PackageName depPkgName (Dependency pn _) = pn exeDepName :: Dependency -> String exeDepName = unPackageName . depPkgName pkgcfgDepName :: Dependency -> String pkgcfgDepName = unPackageName . depPkgName #endif #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(2,0,0) #else mkPackageName :: String -> PackageName mkPackageName = PackageName #endif setupDependencies :: PackageDescription -- ^pkg description -> [PackageName] -- ^depends #if defined(MIN_VERSION_Cabal) && MIN_VERSION_Cabal(1,24,0) setupDependencies pkgDesc = maybe [] (map depPkgName . setupDepends) (setupBuildInfo pkgDesc) #else setupDependencies _pkgDesc = [] #endif -- dependencies :: PackageDescription -- ^pkg description -- -> ([PackageName], [PackageName], [ExeDependency], [String], [PkgconfigDependency]) -- -- ^depends, setup, tools, c-libs, pkgcfg -- dependencies pkgDesc = -- let --self = pkgName $ package pkgDesc -- deps = buildDependencies pkgDesc -- setup = setupDependencies pkgDesc -- buildinfo = allBuildInfo pkgDesc -- tools = nub $ concatMap buildToolDepends buildinfo -- clibs = nub $ concatMap extraLibs buildinfo -- pkgcfgs = nub $ concatMap pkgconfigDepends buildinfo -- in (deps, setup, tools, clibs, pkgcfgs)