{-# LANGUAGE CPP #-} ----------------------------------------------------------------------------- -- | -- Module : Main -- Copyright : (c) David Himmelstrup 2005 -- License : BSD-like -- -- Maintainer : lemmih@gmail.com -- Stability : provisional -- Portability : portable -- -- Entry point to the default cabal-install front-end. ----------------------------------------------------------------------------- module Main (main) where import Distribution.Client.Setup ( GlobalFlags(..), globalCommand, withRepoContext , ConfigFlags(..) , ConfigExFlags(..), defaultConfigExFlags, configureExCommand , reconfigureCommand , configCompilerAux', configPackageDB' , BuildFlags(..), BuildExFlags(..), SkipAddSourceDepsCheck(..) , buildCommand, replCommand, testCommand, benchmarkCommand , InstallFlags(..), defaultInstallFlags , installCommand, upgradeCommand, uninstallCommand , FetchFlags(..), fetchCommand , FreezeFlags(..), freezeCommand , genBoundsCommand , OutdatedFlags(..), outdatedCommand , GetFlags(..), getCommand, unpackCommand , checkCommand , formatCommand , updateCommand , ListFlags(..), listCommand , InfoFlags(..), infoCommand , UploadFlags(..), uploadCommand , ReportFlags(..), reportCommand , runCommand , InitFlags(initVerbosity), initCommand , SDistFlags(..), SDistExFlags(..), sdistCommand , Win32SelfUpgradeFlags(..), win32SelfUpgradeCommand , ActAsSetupFlags(..), actAsSetupCommand , SandboxFlags(..), sandboxCommand , ExecFlags(..), execCommand , UserConfigFlags(..), userConfigCommand , reportCommand , manpageCommand ) import Distribution.Simple.Setup ( HaddockTarget(..) , DoctestFlags(..), doctestCommand , HaddockFlags(..), haddockCommand, defaultHaddockFlags , HscolourFlags(..), hscolourCommand , ReplFlags(..) , CopyFlags(..), copyCommand , RegisterFlags(..), registerCommand , CleanFlags(..), cleanCommand , TestFlags(..), BenchmarkFlags(..) , Flag(..), fromFlag, fromFlagOrDefault, flagToMaybe, toFlag , configAbsolutePaths ) import Prelude () import Distribution.Client.Compat.Prelude hiding (get) import Distribution.Client.SetupWrapper ( setupWrapper, SetupScriptOptions(..), defaultSetupScriptOptions ) import Distribution.Client.Config ( SavedConfig(..), loadConfig, defaultConfigFile, userConfigDiff , userConfigUpdate, createDefaultConfigFile, getConfigFilePath ) import Distribution.Client.Targets ( readUserTargets ) import qualified Distribution.Client.List as List ( list, info ) import qualified Distribution.Client.CmdConfigure as CmdConfigure import qualified Distribution.Client.CmdBuild as CmdBuild import qualified Distribution.Client.CmdRepl as CmdRepl import qualified Distribution.Client.CmdFreeze as CmdFreeze import qualified Distribution.Client.CmdHaddock as CmdHaddock import qualified Distribution.Client.CmdRun as CmdRun import qualified Distribution.Client.CmdTest as CmdTest import qualified Distribution.Client.CmdBench as CmdBench import Distribution.Client.Install (install) import Distribution.Client.Configure (configure, writeConfigFlags) import Distribution.Client.Update (update) import Distribution.Client.Exec (exec) import Distribution.Client.Fetch (fetch) import Distribution.Client.Freeze (freeze) import Distribution.Client.GenBounds (genBounds) import Distribution.Client.Outdated (outdated) import Distribution.Client.Check as Check (check) --import Distribution.Client.Clean (clean) import qualified Distribution.Client.Upload as Upload import Distribution.Client.Run (run, splitRunArgs) import Distribution.Client.SrcDist (sdist) import Distribution.Client.Get (get) import Distribution.Client.Reconfigure (Check(..), reconfigure) import Distribution.Client.Nix (nixInstantiate ,nixShell ,nixShellIfSandboxed) import Distribution.Client.Sandbox (sandboxInit ,sandboxAddSource ,sandboxDelete ,sandboxDeleteSource ,sandboxListSources ,sandboxHcPkg ,dumpPackageEnvironment ,loadConfigOrSandboxConfig ,findSavedDistPref ,initPackageDBIfNeeded ,maybeWithSandboxDirOnSearchPath ,maybeWithSandboxPackageInfo ,tryGetIndexFilePath ,sandboxBuildDir ,updateSandboxConfigFileFlag ,updateInstallDirs ,getPersistOrConfigCompiler) import Distribution.Client.Sandbox.PackageEnvironment (setPackageDB) import Distribution.Client.Sandbox.Timestamp (maybeAddCompilerTimestampRecord) import Distribution.Client.Sandbox.Types (UseSandbox(..), whenUsingSandbox) import Distribution.Client.Tar (createTarGzFile) import Distribution.Client.Types (Password (..)) import Distribution.Client.Init (initCabal) import Distribution.Client.Manpage (manpage) import qualified Distribution.Client.Win32SelfUpgrade as Win32SelfUpgrade import Distribution.Client.Utils (determineNumJobs #if defined(mingw32_HOST_OS) ,relaxEncodingErrors #endif ) import Distribution.Package (packageId) import Distribution.PackageDescription ( BuildType(..), Executable(..), buildable ) #ifdef CABAL_PARSEC import Distribution.PackageDescription.Parsec ( readGenericPackageDescription ) #else import Distribution.PackageDescription.Parse ( readGenericPackageDescription ) #endif import Distribution.PackageDescription.PrettyPrint ( writeGenericPackageDescription ) import qualified Distribution.Simple as Simple import qualified Distribution.Make as Make import qualified Distribution.Types.UnqualComponentName as Make import Distribution.Simple.Build ( startInterpreter ) import Distribution.Simple.Command ( CommandParse(..), CommandUI(..), Command, CommandSpec(..) , CommandType(..), commandsRun, commandAddAction, hiddenCommand , commandFromSpec, commandShowOptions ) import Distribution.Simple.Compiler (Compiler(..), PackageDBStack) import Distribution.Simple.Configure ( configCompilerAuxEx, ConfigStateFileError(..) , getPersistBuildConfig, interpretPackageDbFlags , tryGetPersistBuildConfig ) import qualified Distribution.Simple.LocalBuildInfo as LBI import Distribution.Simple.Program (defaultProgramDb ,configureAllKnownPrograms ,simpleProgramInvocation ,getProgramInvocationOutput) import Distribution.Simple.Program.Db (reconfigurePrograms) import qualified Distribution.Simple.Setup as Cabal import Distribution.Simple.Utils ( cabalVersion, die', dieNoVerbosity, info, notice, topHandler , findPackageDesc, tryFindPackageDesc ) import Distribution.Text ( display ) import Distribution.Verbosity as Verbosity ( Verbosity, normal ) import Distribution.Version ( Version, mkVersion, orLaterVersion ) import qualified Paths_cabal_install (version) import System.Environment (getArgs, getProgName) import System.Exit (exitFailure, exitSuccess) import System.FilePath ( dropExtension, splitExtension , takeExtension, (), (<.>)) import System.IO ( BufferMode(LineBuffering), hSetBuffering #ifdef mingw32_HOST_OS , stderr #endif , stdout ) import System.Directory (doesFileExist, getCurrentDirectory) import Data.Monoid (Any(..)) import Control.Exception (SomeException(..), try) import Control.Monad (mapM_) #ifdef MONOLITHIC import qualified UnitTests import qualified MemoryUsageTests import qualified SolverQuickCheck import qualified IntegrationTests2 import qualified System.Environment as Monolithic #endif -- | Entry point -- main :: IO () #ifdef MONOLITHIC main = do mb_exec <- Monolithic.lookupEnv "CABAL_INSTALL_MONOLITHIC_MODE" case mb_exec of Just "UnitTests" -> UnitTests.main Just "MemoryUsageTests" -> MemoryUsageTests.main Just "SolverQuickCheck" -> SolverQuickCheck.main Just "IntegrationTests2" -> IntegrationTests2.main Just s -> error $ "Unrecognized mode '" ++ show s ++ "' in CABAL_INSTALL_MONOLITHIC_MODE" Nothing -> main' #else main = main' #endif main' :: IO () main' = do -- Enable line buffering so that we can get fast feedback even when piped. -- This is especially important for CI and build systems. hSetBuffering stdout LineBuffering -- The default locale encoding for Windows CLI is not UTF-8 and printing -- Unicode characters to it will fail unless we relax the handling of encoding -- errors when writing to stderr and stdout. #ifdef mingw32_HOST_OS relaxEncodingErrors stdout relaxEncodingErrors stderr #endif getArgs >>= mainWorker mainWorker :: [String] -> IO () mainWorker args = topHandler $ case commandsRun (globalCommand commands) commands args of CommandHelp help -> printGlobalHelp help CommandList opts -> printOptionsList opts CommandErrors errs -> printErrors errs CommandReadyToGo (globalFlags, commandParse) -> case commandParse of _ | fromFlagOrDefault False (globalVersion globalFlags) -> printVersion | fromFlagOrDefault False (globalNumericVersion globalFlags) -> printNumericVersion CommandHelp help -> printCommandHelp help CommandList opts -> printOptionsList opts CommandErrors errs -> printErrors errs CommandReadyToGo action -> do globalFlags' <- updateSandboxConfigFileFlag globalFlags action globalFlags' where printCommandHelp help = do pname <- getProgName putStr (help pname) printGlobalHelp help = do pname <- getProgName configFile <- defaultConfigFile putStr (help pname) putStr $ "\nYou can edit the cabal configuration file to set defaults:\n" ++ " " ++ configFile ++ "\n" exists <- doesFileExist configFile when (not exists) $ putStrLn $ "This file will be generated with sensible " ++ "defaults if you run 'cabal update'." printOptionsList = putStr . unlines printErrors errs = dieNoVerbosity $ intercalate "\n" errs printNumericVersion = putStrLn $ display Paths_cabal_install.version printVersion = putStrLn $ "cabal-install version " ++ display Paths_cabal_install.version ++ "\ncompiled using version " ++ display cabalVersion ++ " of the Cabal library " commands = map commandFromSpec commandSpecs commandSpecs = [ regularCmd installCommand installAction , regularCmd updateCommand updateAction , regularCmd listCommand listAction , regularCmd infoCommand infoAction , regularCmd fetchCommand fetchAction , regularCmd freezeCommand freezeAction , regularCmd getCommand getAction , hiddenCmd unpackCommand unpackAction , regularCmd checkCommand checkAction , regularCmd sdistCommand sdistAction , regularCmd uploadCommand uploadAction , regularCmd reportCommand reportAction , regularCmd runCommand runAction , regularCmd initCommand initAction , regularCmd configureExCommand configureAction , regularCmd reconfigureCommand reconfigureAction , regularCmd buildCommand buildAction , regularCmd replCommand replAction , regularCmd sandboxCommand sandboxAction , regularCmd doctestCommand doctestAction , regularCmd haddockCommand haddockAction , regularCmd execCommand execAction , regularCmd userConfigCommand userConfigAction , regularCmd cleanCommand cleanAction , regularCmd genBoundsCommand genBoundsAction , regularCmd outdatedCommand outdatedAction , wrapperCmd copyCommand copyVerbosity copyDistPref , wrapperCmd hscolourCommand hscolourVerbosity hscolourDistPref , wrapperCmd registerCommand regVerbosity regDistPref , regularCmd testCommand testAction , regularCmd benchmarkCommand benchmarkAction , hiddenCmd uninstallCommand uninstallAction , hiddenCmd formatCommand formatAction , hiddenCmd upgradeCommand upgradeAction , hiddenCmd win32SelfUpgradeCommand win32SelfUpgradeAction , hiddenCmd actAsSetupCommand actAsSetupAction , hiddenCmd manpageCommand (manpageAction commandSpecs) , regularCmd CmdConfigure.configureCommand CmdConfigure.configureAction , regularCmd CmdBuild.buildCommand CmdBuild.buildAction , regularCmd CmdRepl.replCommand CmdRepl.replAction , regularCmd CmdFreeze.freezeCommand CmdFreeze.freezeAction , regularCmd CmdHaddock.haddockCommand CmdHaddock.haddockAction , regularCmd CmdRun.runCommand CmdRun.runAction , regularCmd CmdTest.testCommand CmdTest.testAction , regularCmd CmdBench.benchCommand CmdBench.benchAction ] type Action = GlobalFlags -> IO () regularCmd :: CommandUI flags -> (flags -> [String] -> action) -> CommandSpec action regularCmd ui action = CommandSpec ui ((flip commandAddAction) action) NormalCommand hiddenCmd :: CommandUI flags -> (flags -> [String] -> action) -> CommandSpec action hiddenCmd ui action = CommandSpec ui (\ui' -> hiddenCommand (commandAddAction ui' action)) HiddenCommand wrapperCmd :: Monoid flags => CommandUI flags -> (flags -> Flag Verbosity) -> (flags -> Flag String) -> CommandSpec Action wrapperCmd ui verbosity distPref = CommandSpec ui (\ui' -> wrapperAction ui' verbosity distPref) NormalCommand wrapperAction :: Monoid flags => CommandUI flags -> (flags -> Flag Verbosity) -> (flags -> Flag String) -> Command Action wrapperAction command verbosityFlag distPrefFlag = commandAddAction command { commandDefaultFlags = mempty } $ \flags extraArgs globalFlags -> do let verbosity = fromFlagOrDefault normal (verbosityFlag flags) load <- try (loadConfigOrSandboxConfig verbosity globalFlags) let config = either (\(SomeException _) -> mempty) snd load distPref <- findSavedDistPref config (distPrefFlag flags) let setupScriptOptions = defaultSetupScriptOptions { useDistPref = distPref } setupWrapper verbosity setupScriptOptions Nothing command (const flags) extraArgs configureAction :: (ConfigFlags, ConfigExFlags) -> [String] -> Action configureAction (configFlags, configExFlags) extraArgs globalFlags = do let verbosity = fromFlagOrDefault normal (configVerbosity configFlags) (useSandbox, config) <- updateInstallDirs (configUserInstall configFlags) <$> loadConfigOrSandboxConfig verbosity globalFlags distPref <- findSavedDistPref config (configDistPref configFlags) nixInstantiate verbosity distPref True globalFlags config nixShell verbosity distPref globalFlags config $ do let configFlags' = savedConfigureFlags config `mappend` configFlags configExFlags' = savedConfigureExFlags config `mappend` configExFlags globalFlags' = savedGlobalFlags config `mappend` globalFlags (comp, platform, progdb) <- configCompilerAuxEx configFlags' -- If we're working inside a sandbox and the user has set the -w option, we -- may need to create a sandbox-local package DB for this compiler and add a -- timestamp record for this compiler to the timestamp file. let configFlags'' = case useSandbox of NoSandbox -> configFlags' (UseSandbox sandboxDir) -> setPackageDB sandboxDir comp platform configFlags' writeConfigFlags verbosity distPref (configFlags'', configExFlags') -- What package database(s) to use let packageDBs :: PackageDBStack packageDBs = interpretPackageDbFlags (fromFlag (configUserInstall configFlags'')) (configPackageDBs configFlags'') whenUsingSandbox useSandbox $ \sandboxDir -> do initPackageDBIfNeeded verbosity configFlags'' comp progdb -- NOTE: We do not write the new sandbox package DB location to -- 'cabal.sandbox.config' here because 'configure -w' must not affect -- subsequent 'install' (for UI compatibility with non-sandboxed mode). indexFile <- tryGetIndexFilePath verbosity config maybeAddCompilerTimestampRecord verbosity sandboxDir indexFile (compilerId comp) platform maybeWithSandboxDirOnSearchPath useSandbox $ withRepoContext verbosity globalFlags' $ \repoContext -> configure verbosity packageDBs repoContext comp platform progdb configFlags'' configExFlags' extraArgs reconfigureAction :: (ConfigFlags, ConfigExFlags) -> [String] -> Action reconfigureAction flags@(configFlags, _) _ globalFlags = do let verbosity = fromFlagOrDefault normal (configVerbosity configFlags) (useSandbox, config) <- updateInstallDirs (configUserInstall configFlags) <$> loadConfigOrSandboxConfig verbosity globalFlags distPref <- findSavedDistPref config (configDistPref configFlags) let checkFlags = Check $ \_ saved -> do let flags' = saved <> flags unless (saved == flags') $ info verbosity message pure (Any True, flags') where -- This message is correct, but not very specific: it will list all -- of the new flags, even if some have not actually changed. The -- *minimal* set of changes is more difficult to determine. message = "flags changed: " ++ unwords (commandShowOptions configureExCommand flags) nixInstantiate verbosity distPref True globalFlags config _ <- reconfigure configureAction verbosity distPref useSandbox DontSkipAddSourceDepsCheck NoFlag checkFlags [] globalFlags config pure () buildAction :: (BuildFlags, BuildExFlags) -> [String] -> Action buildAction (buildFlags, buildExFlags) extraArgs globalFlags = do let verbosity = fromFlagOrDefault normal (buildVerbosity buildFlags) noAddSource = fromFlagOrDefault DontSkipAddSourceDepsCheck (buildOnly buildExFlags) (useSandbox, config) <- loadConfigOrSandboxConfig verbosity globalFlags distPref <- findSavedDistPref config (buildDistPref buildFlags) -- Calls 'configureAction' to do the real work, so nothing special has to be -- done to support sandboxes. config' <- reconfigure configureAction verbosity distPref useSandbox noAddSource (buildNumJobs buildFlags) mempty [] globalFlags config nixShell verbosity distPref globalFlags config $ do maybeWithSandboxDirOnSearchPath useSandbox $ build verbosity config' distPref buildFlags extraArgs -- | Actually do the work of building the package. This is separate from -- 'buildAction' so that 'testAction' and 'benchmarkAction' do not invoke -- 'reconfigure' twice. build :: Verbosity -> SavedConfig -> FilePath -> BuildFlags -> [String] -> IO () build verbosity config distPref buildFlags extraArgs = setupWrapper verbosity setupOptions Nothing (Cabal.buildCommand progDb) mkBuildFlags extraArgs where progDb = defaultProgramDb setupOptions = defaultSetupScriptOptions { useDistPref = distPref } mkBuildFlags version = filterBuildFlags version config buildFlags' buildFlags' = buildFlags { buildVerbosity = toFlag verbosity , buildDistPref = toFlag distPref } -- | Make sure that we don't pass new flags to setup scripts compiled against -- old versions of Cabal. filterBuildFlags :: Version -> SavedConfig -> BuildFlags -> BuildFlags filterBuildFlags version config buildFlags | version >= mkVersion [1,19,1] = buildFlags_latest -- Cabal < 1.19.1 doesn't support 'build -j'. | otherwise = buildFlags_pre_1_19_1 where buildFlags_pre_1_19_1 = buildFlags { buildNumJobs = NoFlag } buildFlags_latest = buildFlags { -- Take the 'jobs' setting '~/.cabal/config' into account. buildNumJobs = Flag . Just . determineNumJobs $ (numJobsConfigFlag `mappend` numJobsCmdLineFlag) } numJobsConfigFlag = installNumJobs . savedInstallFlags $ config numJobsCmdLineFlag = buildNumJobs buildFlags replAction :: (ReplFlags, BuildExFlags) -> [String] -> Action replAction (replFlags, buildExFlags) extraArgs globalFlags = do let verbosity = fromFlagOrDefault normal (replVerbosity replFlags) (useSandbox, config) <- loadConfigOrSandboxConfig verbosity globalFlags distPref <- findSavedDistPref config (replDistPref replFlags) cwd <- getCurrentDirectory pkgDesc <- findPackageDesc cwd let -- There is a .cabal file in the current directory: start a REPL and load -- the project's modules. onPkgDesc = do let noAddSource = case replReload replFlags of Flag True -> SkipAddSourceDepsCheck _ -> fromFlagOrDefault DontSkipAddSourceDepsCheck (buildOnly buildExFlags) -- Calls 'configureAction' to do the real work, so nothing special has to -- be done to support sandboxes. _ <- reconfigure configureAction verbosity distPref useSandbox noAddSource NoFlag mempty [] globalFlags config let progDb = defaultProgramDb setupOptions = defaultSetupScriptOptions { useCabalVersion = orLaterVersion $ mkVersion [1,18,0] , useDistPref = distPref } replFlags' = replFlags { replVerbosity = toFlag verbosity , replDistPref = toFlag distPref } nixShell verbosity distPref globalFlags config $ do maybeWithSandboxDirOnSearchPath useSandbox $ setupWrapper verbosity setupOptions Nothing (Cabal.replCommand progDb) (const replFlags') extraArgs -- No .cabal file in the current directory: just start the REPL (possibly -- using the sandbox package DB). onNoPkgDesc = do let configFlags = savedConfigureFlags config (comp, platform, programDb) <- configCompilerAux' configFlags programDb' <- reconfigurePrograms verbosity (replProgramPaths replFlags) (replProgramArgs replFlags) programDb nixShell verbosity distPref globalFlags config $ do startInterpreter verbosity programDb' comp platform (configPackageDB' configFlags) either (const onNoPkgDesc) (const onPkgDesc) pkgDesc installAction :: (ConfigFlags, ConfigExFlags, InstallFlags, HaddockFlags) -> [String] -> Action installAction (configFlags, _, installFlags, _) _ globalFlags | fromFlagOrDefault False (installOnly installFlags) = do let verb = fromFlagOrDefault normal (configVerbosity configFlags) (useSandbox, config) <- loadConfigOrSandboxConfig verb globalFlags dist <- findSavedDistPref config (configDistPref configFlags) let setupOpts = defaultSetupScriptOptions { useDistPref = dist } nixShellIfSandboxed verb dist globalFlags config useSandbox $ setupWrapper verb setupOpts Nothing installCommand (const mempty) [] installAction (configFlags, configExFlags, installFlags, haddockFlags) extraArgs globalFlags = do let verb = fromFlagOrDefault normal (configVerbosity configFlags) (useSandbox, config) <- updateInstallDirs (configUserInstall configFlags) <$> loadConfigOrSandboxConfig verb globalFlags let sandboxDist = case useSandbox of NoSandbox -> NoFlag UseSandbox sandboxDir -> Flag $ sandboxBuildDir sandboxDir dist <- findSavedDistPref config (configDistPref configFlags `mappend` sandboxDist) nixShellIfSandboxed verb dist globalFlags config useSandbox $ do targets <- readUserTargets verb extraArgs -- TODO: It'd be nice if 'cabal install' picked up the '-w' flag passed to -- 'configure' when run inside a sandbox. Right now, running -- -- $ cabal sandbox init && cabal configure -w /path/to/ghc -- && cabal build && cabal install -- -- performs the compilation twice unless you also pass -w to 'install'. -- However, this is the same behaviour that 'cabal install' has in the normal -- mode of operation, so we stick to it for consistency. let configFlags' = maybeForceTests installFlags' $ savedConfigureFlags config `mappend` configFlags { configDistPref = toFlag dist } configExFlags' = defaultConfigExFlags `mappend` savedConfigureExFlags config `mappend` configExFlags installFlags' = defaultInstallFlags `mappend` savedInstallFlags config `mappend` installFlags haddockFlags' = defaultHaddockFlags `mappend` savedHaddockFlags config `mappend` haddockFlags { haddockDistPref = toFlag dist } globalFlags' = savedGlobalFlags config `mappend` globalFlags (comp, platform, progdb) <- configCompilerAux' configFlags' -- TODO: Redesign ProgramDB API to prevent such problems as #2241 in the -- future. progdb' <- configureAllKnownPrograms verb progdb -- If we're working inside a sandbox and the user has set the -w option, we -- may need to create a sandbox-local package DB for this compiler and add a -- timestamp record for this compiler to the timestamp file. configFlags'' <- case useSandbox of NoSandbox -> configAbsolutePaths $ configFlags' (UseSandbox sandboxDir) -> return $ setPackageDB sandboxDir comp platform configFlags' whenUsingSandbox useSandbox $ \sandboxDir -> do initPackageDBIfNeeded verb configFlags'' comp progdb' indexFile <- tryGetIndexFilePath verb config maybeAddCompilerTimestampRecord verb sandboxDir indexFile (compilerId comp) platform -- TODO: Passing 'SandboxPackageInfo' to install unconditionally here means -- that 'cabal install some-package' inside a sandbox will sometimes reinstall -- modified add-source deps, even if they are not among the dependencies of -- 'some-package'. This can also prevent packages that depend on older -- versions of add-source'd packages from building (see #1362). maybeWithSandboxPackageInfo verb configFlags'' globalFlags' comp platform progdb useSandbox $ \mSandboxPkgInfo -> maybeWithSandboxDirOnSearchPath useSandbox $ withRepoContext verb globalFlags' $ \repoContext -> install verb (configPackageDB' configFlags'') repoContext comp platform progdb' useSandbox mSandboxPkgInfo globalFlags' configFlags'' configExFlags' installFlags' haddockFlags' targets where -- '--run-tests' implies '--enable-tests'. maybeForceTests installFlags' configFlags' = if fromFlagOrDefault False (installRunTests installFlags') then configFlags' { configTests = toFlag True } else configFlags' testAction :: (TestFlags, BuildFlags, BuildExFlags) -> [String] -> GlobalFlags -> IO () testAction (testFlags, buildFlags, buildExFlags) extraArgs globalFlags = do let verbosity = fromFlagOrDefault normal (testVerbosity testFlags) (useSandbox, config) <- loadConfigOrSandboxConfig verbosity globalFlags distPref <- findSavedDistPref config (testDistPref testFlags) let noAddSource = fromFlagOrDefault DontSkipAddSourceDepsCheck (buildOnly buildExFlags) buildFlags' = buildFlags { buildVerbosity = testVerbosity testFlags } checkFlags = Check $ \_ flags@(configFlags, configExFlags) -> if fromFlagOrDefault False (configTests configFlags) then pure (mempty, flags) else do info verbosity "reconfiguring to enable tests" let flags' = ( configFlags { configTests = toFlag True } , configExFlags ) pure (Any True, flags') -- reconfigure also checks if we're in a sandbox and reinstalls add-source -- deps if needed. _ <- reconfigure configureAction verbosity distPref useSandbox noAddSource (buildNumJobs buildFlags') checkFlags [] globalFlags config nixShell verbosity distPref globalFlags config $ do let setupOptions = defaultSetupScriptOptions { useDistPref = distPref } testFlags' = testFlags { testDistPref = toFlag distPref } -- The package was just configured, so the LBI must be available. names <- componentNamesFromLBI verbosity distPref "test suites" (\c -> case c of { LBI.CTest{} -> True; _ -> False }) let extraArgs' | null extraArgs = case names of ComponentNamesUnknown -> [] ComponentNames names' -> [ Make.unUnqualComponentName name | LBI.CTestName name <- names' ] | otherwise = extraArgs maybeWithSandboxDirOnSearchPath useSandbox $ build verbosity config distPref buildFlags' extraArgs' maybeWithSandboxDirOnSearchPath useSandbox $ setupWrapper verbosity setupOptions Nothing Cabal.testCommand (const testFlags') extraArgs' data ComponentNames = ComponentNamesUnknown | ComponentNames [LBI.ComponentName] -- | Return the names of all buildable components matching a given predicate. componentNamesFromLBI :: Verbosity -> FilePath -> String -> (LBI.Component -> Bool) -> IO ComponentNames componentNamesFromLBI verbosity distPref targetsDescr compPred = do eLBI <- tryGetPersistBuildConfig distPref case eLBI of Left err -> case err of -- Note: the build config could have been generated by a custom setup -- script built against a different Cabal version, so it's crucial that -- we ignore the bad version error here. ConfigStateFileBadVersion _ _ _ -> return ComponentNamesUnknown _ -> die' verbosity (show err) Right lbi -> do let pkgDescr = LBI.localPkgDescr lbi names = map LBI.componentName . filter (buildable . LBI.componentBuildInfo) . filter compPred $ LBI.pkgComponents pkgDescr if null names then do notice verbosity $ "Package has no buildable " ++ targetsDescr ++ "." exitSuccess -- See #3215. else return $! (ComponentNames names) benchmarkAction :: (BenchmarkFlags, BuildFlags, BuildExFlags) -> [String] -> GlobalFlags -> IO () benchmarkAction (benchmarkFlags, buildFlags, buildExFlags) extraArgs globalFlags = do let verbosity = fromFlagOrDefault normal (benchmarkVerbosity benchmarkFlags) (useSandbox, config) <- loadConfigOrSandboxConfig verbosity globalFlags distPref <- findSavedDistPref config (benchmarkDistPref benchmarkFlags) let buildFlags' = buildFlags { buildVerbosity = benchmarkVerbosity benchmarkFlags } noAddSource = fromFlagOrDefault DontSkipAddSourceDepsCheck (buildOnly buildExFlags) let checkFlags = Check $ \_ flags@(configFlags, configExFlags) -> if fromFlagOrDefault False (configBenchmarks configFlags) then pure (mempty, flags) else do info verbosity "reconfiguring to enable benchmarks" let flags' = ( configFlags { configBenchmarks = toFlag True } , configExFlags ) pure (Any True, flags') -- reconfigure also checks if we're in a sandbox and reinstalls add-source -- deps if needed. config' <- reconfigure configureAction verbosity distPref useSandbox noAddSource (buildNumJobs buildFlags') checkFlags [] globalFlags config nixShell verbosity distPref globalFlags config $ do let setupOptions = defaultSetupScriptOptions { useDistPref = distPref } benchmarkFlags'= benchmarkFlags { benchmarkDistPref = toFlag distPref } -- The package was just configured, so the LBI must be available. names <- componentNamesFromLBI verbosity distPref "benchmarks" (\c -> case c of { LBI.CBench{} -> True; _ -> False; }) let extraArgs' | null extraArgs = case names of ComponentNamesUnknown -> [] ComponentNames names' -> [ Make.unUnqualComponentName name | LBI.CBenchName name <- names'] | otherwise = extraArgs maybeWithSandboxDirOnSearchPath useSandbox $ build verbosity config' distPref buildFlags' extraArgs' maybeWithSandboxDirOnSearchPath useSandbox $ setupWrapper verbosity setupOptions Nothing Cabal.benchmarkCommand (const benchmarkFlags') extraArgs' haddockAction :: HaddockFlags -> [String] -> Action haddockAction haddockFlags extraArgs globalFlags = do let verbosity = fromFlag (haddockVerbosity haddockFlags) (useSandbox, config) <- loadConfigOrSandboxConfig verbosity globalFlags distPref <- findSavedDistPref config (haddockDistPref haddockFlags) config' <- reconfigure configureAction verbosity distPref useSandbox DontSkipAddSourceDepsCheck NoFlag mempty [] globalFlags config nixShell verbosity distPref globalFlags config $ do let haddockFlags' = defaultHaddockFlags `mappend` savedHaddockFlags config' `mappend` haddockFlags { haddockDistPref = toFlag distPref } setupScriptOptions = defaultSetupScriptOptions { useDistPref = distPref } setupWrapper verbosity setupScriptOptions Nothing haddockCommand (const haddockFlags') extraArgs when (haddockForHackage haddockFlags == Flag ForHackage) $ do pkg <- fmap LBI.localPkgDescr (getPersistBuildConfig distPref) let dest = distPref name <.> "tar.gz" name = display (packageId pkg) ++ "-docs" docDir = distPref "doc" "html" createTarGzFile dest docDir name notice verbosity $ "Documentation tarball created: " ++ dest doctestAction :: DoctestFlags -> [String] -> Action doctestAction doctestFlags extraArgs _globalFlags = do let verbosity = fromFlag (doctestVerbosity doctestFlags) setupWrapper verbosity defaultSetupScriptOptions Nothing doctestCommand (const doctestFlags) extraArgs cleanAction :: CleanFlags -> [String] -> Action cleanAction cleanFlags extraArgs globalFlags = do load <- try (loadConfigOrSandboxConfig verbosity globalFlags) let config = either (\(SomeException _) -> mempty) snd load distPref <- findSavedDistPref config (cleanDistPref cleanFlags) let setupScriptOptions = defaultSetupScriptOptions { useDistPref = distPref , useWin32CleanHack = True } cleanFlags' = cleanFlags { cleanDistPref = toFlag distPref } setupWrapper verbosity setupScriptOptions Nothing cleanCommand (const cleanFlags') extraArgs where verbosity = fromFlagOrDefault normal (cleanVerbosity cleanFlags) listAction :: ListFlags -> [String] -> Action listAction listFlags extraArgs globalFlags = do let verbosity = fromFlag (listVerbosity listFlags) (_useSandbox, config) <- loadConfigOrSandboxConfig verbosity (globalFlags { globalRequireSandbox = Flag False }) let configFlags' = savedConfigureFlags config configFlags = configFlags' { configPackageDBs = configPackageDBs configFlags' `mappend` listPackageDBs listFlags } globalFlags' = savedGlobalFlags config `mappend` globalFlags (comp, _, progdb) <- configCompilerAux' configFlags withRepoContext verbosity globalFlags' $ \repoContext -> List.list verbosity (configPackageDB' configFlags) repoContext comp progdb listFlags extraArgs infoAction :: InfoFlags -> [String] -> Action infoAction infoFlags extraArgs globalFlags = do let verbosity = fromFlag (infoVerbosity infoFlags) targets <- readUserTargets verbosity extraArgs (_useSandbox, config) <- loadConfigOrSandboxConfig verbosity (globalFlags { globalRequireSandbox = Flag False }) let configFlags' = savedConfigureFlags config configFlags = configFlags' { configPackageDBs = configPackageDBs configFlags' `mappend` infoPackageDBs infoFlags } globalFlags' = savedGlobalFlags config `mappend` globalFlags (comp, _, progdb) <- configCompilerAuxEx configFlags withRepoContext verbosity globalFlags' $ \repoContext -> List.info verbosity (configPackageDB' configFlags) repoContext comp progdb globalFlags' infoFlags targets updateAction :: Flag Verbosity -> [String] -> Action updateAction verbosityFlag extraArgs globalFlags = do let verbosity = fromFlag verbosityFlag unless (null extraArgs) $ die' verbosity $ "'update' doesn't take any extra arguments: " ++ unwords extraArgs (_useSandbox, config) <- loadConfigOrSandboxConfig verbosity (globalFlags { globalRequireSandbox = Flag False }) let globalFlags' = savedGlobalFlags config `mappend` globalFlags withRepoContext verbosity globalFlags' $ \repoContext -> update verbosity repoContext upgradeAction :: (ConfigFlags, ConfigExFlags, InstallFlags, HaddockFlags) -> [String] -> Action upgradeAction (configFlags, _, _, _) _ _ = die' verbosity $ "Use the 'cabal install' command instead of 'cabal upgrade'.\n" ++ "You can install the latest version of a package using 'cabal install'. " ++ "The 'cabal upgrade' command has been removed because people found it " ++ "confusing and it often led to broken packages.\n" ++ "If you want the old upgrade behaviour then use the install command " ++ "with the --upgrade-dependencies flag (but check first with --dry-run " ++ "to see what would happen). This will try to pick the latest versions " ++ "of all dependencies, rather than the usual behaviour of trying to pick " ++ "installed versions of all dependencies. If you do use " ++ "--upgrade-dependencies, it is recommended that you do not upgrade core " ++ "packages (e.g. by using appropriate --constraint= flags)." where verbosity = fromFlag (configVerbosity configFlags) fetchAction :: FetchFlags -> [String] -> Action fetchAction fetchFlags extraArgs globalFlags = do let verbosity = fromFlag (fetchVerbosity fetchFlags) targets <- readUserTargets verbosity extraArgs config <- loadConfig verbosity (globalConfigFile globalFlags) let configFlags = savedConfigureFlags config globalFlags' = savedGlobalFlags config `mappend` globalFlags (comp, platform, progdb) <- configCompilerAux' configFlags withRepoContext verbosity globalFlags' $ \repoContext -> fetch verbosity (configPackageDB' configFlags) repoContext comp platform progdb globalFlags' fetchFlags targets freezeAction :: FreezeFlags -> [String] -> Action freezeAction freezeFlags _extraArgs globalFlags = do let verbosity = fromFlag (freezeVerbosity freezeFlags) (useSandbox, config) <- loadConfigOrSandboxConfig verbosity globalFlags distPref <- findSavedDistPref config NoFlag nixShell verbosity distPref globalFlags config $ do let configFlags = savedConfigureFlags config globalFlags' = savedGlobalFlags config `mappend` globalFlags (comp, platform, progdb) <- configCompilerAux' configFlags maybeWithSandboxPackageInfo verbosity configFlags globalFlags' comp platform progdb useSandbox $ \mSandboxPkgInfo -> maybeWithSandboxDirOnSearchPath useSandbox $ withRepoContext verbosity globalFlags' $ \repoContext -> freeze verbosity (configPackageDB' configFlags) repoContext comp platform progdb mSandboxPkgInfo globalFlags' freezeFlags genBoundsAction :: FreezeFlags -> [String] -> GlobalFlags -> IO () genBoundsAction freezeFlags _extraArgs globalFlags = do let verbosity = fromFlag (freezeVerbosity freezeFlags) (useSandbox, config) <- loadConfigOrSandboxConfig verbosity globalFlags distPref <- findSavedDistPref config NoFlag nixShell verbosity distPref globalFlags config $ do let configFlags = savedConfigureFlags config globalFlags' = savedGlobalFlags config `mappend` globalFlags (comp, platform, progdb) <- configCompilerAux' configFlags maybeWithSandboxPackageInfo verbosity configFlags globalFlags' comp platform progdb useSandbox $ \mSandboxPkgInfo -> maybeWithSandboxDirOnSearchPath useSandbox $ withRepoContext verbosity globalFlags' $ \repoContext -> genBounds verbosity (configPackageDB' configFlags) repoContext comp platform progdb mSandboxPkgInfo globalFlags' freezeFlags outdatedAction :: OutdatedFlags -> [String] -> GlobalFlags -> IO () outdatedAction outdatedFlags _extraArgs globalFlags = do let verbosity = fromFlag (outdatedVerbosity outdatedFlags) (_useSandbox, config) <- loadConfigOrSandboxConfig verbosity globalFlags let configFlags = savedConfigureFlags config globalFlags' = savedGlobalFlags config `mappend` globalFlags (comp, platform, _progdb) <- configCompilerAux' configFlags withRepoContext verbosity globalFlags' $ \repoContext -> outdated verbosity outdatedFlags repoContext comp platform uploadAction :: UploadFlags -> [String] -> Action uploadAction uploadFlags extraArgs globalFlags = do config <- loadConfig verbosity (globalConfigFile globalFlags) let uploadFlags' = savedUploadFlags config `mappend` uploadFlags globalFlags' = savedGlobalFlags config `mappend` globalFlags tarfiles = extraArgs when (null tarfiles && not (fromFlag (uploadDoc uploadFlags'))) $ die' verbosity "the 'upload' command expects at least one .tar.gz archive." checkTarFiles extraArgs maybe_password <- case uploadPasswordCmd uploadFlags' of Flag (xs:xss) -> Just . Password <$> getProgramInvocationOutput verbosity (simpleProgramInvocation xs xss) _ -> pure $ flagToMaybe $ uploadPassword uploadFlags' withRepoContext verbosity globalFlags' $ \repoContext -> do if fromFlag (uploadDoc uploadFlags') then do when (length tarfiles > 1) $ die' verbosity $ "the 'upload' command can only upload documentation " ++ "for one package at a time." tarfile <- maybe (generateDocTarball config) return $ listToMaybe tarfiles Upload.uploadDoc verbosity repoContext (flagToMaybe $ uploadUsername uploadFlags') maybe_password (fromFlag (uploadCandidate uploadFlags')) tarfile else do Upload.upload verbosity repoContext (flagToMaybe $ uploadUsername uploadFlags') maybe_password (fromFlag (uploadCandidate uploadFlags')) tarfiles where verbosity = fromFlag (uploadVerbosity uploadFlags) checkTarFiles tarfiles | not (null otherFiles) = die' verbosity $ "the 'upload' command expects only .tar.gz archives: " ++ intercalate ", " otherFiles | otherwise = sequence_ [ do exists <- doesFileExist tarfile unless exists $ die' verbosity $ "file not found: " ++ tarfile | tarfile <- tarfiles ] where otherFiles = filter (not . isTarGzFile) tarfiles isTarGzFile file = case splitExtension file of (file', ".gz") -> takeExtension file' == ".tar" _ -> False generateDocTarball config = do notice verbosity $ "No documentation tarball specified. " ++ "Building a documentation tarball with default settings...\n" ++ "If you need to customise Haddock options, " ++ "run 'haddock --for-hackage' first " ++ "to generate a documentation tarball." haddockAction (defaultHaddockFlags { haddockForHackage = Flag ForHackage }) [] globalFlags distPref <- findSavedDistPref config NoFlag pkg <- fmap LBI.localPkgDescr (getPersistBuildConfig distPref) return $ distPref display (packageId pkg) ++ "-docs" <.> "tar.gz" checkAction :: Flag Verbosity -> [String] -> Action checkAction verbosityFlag extraArgs _globalFlags = do let verbosity = fromFlag verbosityFlag unless (null extraArgs) $ die' verbosity $ "'check' doesn't take any extra arguments: " ++ unwords extraArgs allOk <- Check.check (fromFlag verbosityFlag) unless allOk exitFailure formatAction :: Flag Verbosity -> [String] -> Action formatAction verbosityFlag extraArgs _globalFlags = do let verbosity = fromFlag verbosityFlag path <- case extraArgs of [] -> do cwd <- getCurrentDirectory tryFindPackageDesc cwd (p:_) -> return p pkgDesc <- readGenericPackageDescription verbosity path -- Uses 'writeFileAtomic' under the hood. writeGenericPackageDescription path pkgDesc uninstallAction :: Flag Verbosity -> [String] -> Action uninstallAction verbosityFlag extraArgs _globalFlags = do let verbosity = fromFlag verbosityFlag package = case extraArgs of p:_ -> p _ -> "PACKAGE_NAME" die' verbosity $ "This version of 'cabal-install' does not support the 'uninstall' " ++ "operation. " ++ "It will likely be implemented at some point in the future; " ++ "in the meantime you're advised to use either 'ghc-pkg unregister " ++ package ++ "' or 'cabal sandbox hc-pkg -- unregister " ++ package ++ "'." sdistAction :: (SDistFlags, SDistExFlags) -> [String] -> Action sdistAction (sdistFlags, sdistExFlags) extraArgs globalFlags = do let verbosity = fromFlag (sDistVerbosity sdistFlags) unless (null extraArgs) $ die' verbosity $ "'sdist' doesn't take any extra arguments: " ++ unwords extraArgs load <- try (loadConfigOrSandboxConfig verbosity globalFlags) let config = either (\(SomeException _) -> mempty) snd load distPref <- findSavedDistPref config (sDistDistPref sdistFlags) let sdistFlags' = sdistFlags { sDistDistPref = toFlag distPref } sdist sdistFlags' sdistExFlags reportAction :: ReportFlags -> [String] -> Action reportAction reportFlags extraArgs globalFlags = do let verbosity = fromFlag (reportVerbosity reportFlags) unless (null extraArgs) $ die' verbosity $ "'report' doesn't take any extra arguments: " ++ unwords extraArgs config <- loadConfig verbosity (globalConfigFile globalFlags) let globalFlags' = savedGlobalFlags config `mappend` globalFlags reportFlags' = savedReportFlags config `mappend` reportFlags withRepoContext verbosity globalFlags' $ \repoContext -> Upload.report verbosity repoContext (flagToMaybe $ reportUsername reportFlags') (flagToMaybe $ reportPassword reportFlags') runAction :: (BuildFlags, BuildExFlags) -> [String] -> Action runAction (buildFlags, buildExFlags) extraArgs globalFlags = do let verbosity = fromFlagOrDefault normal (buildVerbosity buildFlags) (useSandbox, config) <- loadConfigOrSandboxConfig verbosity globalFlags distPref <- findSavedDistPref config (buildDistPref buildFlags) let noAddSource = fromFlagOrDefault DontSkipAddSourceDepsCheck (buildOnly buildExFlags) -- reconfigure also checks if we're in a sandbox and reinstalls add-source -- deps if needed. config' <- reconfigure configureAction verbosity distPref useSandbox noAddSource (buildNumJobs buildFlags) mempty [] globalFlags config nixShell verbosity distPref globalFlags config $ do lbi <- getPersistBuildConfig distPref (exe, exeArgs) <- splitRunArgs verbosity lbi extraArgs maybeWithSandboxDirOnSearchPath useSandbox $ build verbosity config' distPref buildFlags ["exe:" ++ display (exeName exe)] maybeWithSandboxDirOnSearchPath useSandbox $ run verbosity lbi exe exeArgs getAction :: GetFlags -> [String] -> Action getAction getFlags extraArgs globalFlags = do let verbosity = fromFlag (getVerbosity getFlags) targets <- readUserTargets verbosity extraArgs (_useSandbox, config) <- loadConfigOrSandboxConfig verbosity (globalFlags { globalRequireSandbox = Flag False }) let globalFlags' = savedGlobalFlags config `mappend` globalFlags withRepoContext verbosity (savedGlobalFlags config) $ \repoContext -> get verbosity repoContext globalFlags' getFlags targets unpackAction :: GetFlags -> [String] -> Action unpackAction getFlags extraArgs globalFlags = do getAction getFlags extraArgs globalFlags initAction :: InitFlags -> [String] -> Action initAction initFlags extraArgs globalFlags = do let verbosity = fromFlag (initVerbosity initFlags) when (extraArgs /= []) $ die' verbosity $ "'init' doesn't take any extra arguments: " ++ unwords extraArgs (_useSandbox, config) <- loadConfigOrSandboxConfig verbosity (globalFlags { globalRequireSandbox = Flag False }) let configFlags = savedConfigureFlags config let globalFlags' = savedGlobalFlags config `mappend` globalFlags (comp, _, progdb) <- configCompilerAux' configFlags withRepoContext verbosity globalFlags' $ \repoContext -> initCabal verbosity (configPackageDB' configFlags) repoContext comp progdb initFlags sandboxAction :: SandboxFlags -> [String] -> Action sandboxAction sandboxFlags extraArgs globalFlags = do let verbosity = fromFlag (sandboxVerbosity sandboxFlags) case extraArgs of -- Basic sandbox commands. ["init"] -> sandboxInit verbosity sandboxFlags globalFlags ["delete"] -> sandboxDelete verbosity sandboxFlags globalFlags ("add-source":extra) -> do when (noExtraArgs extra) $ die' verbosity "The 'sandbox add-source' command expects at least one argument" sandboxAddSource verbosity extra sandboxFlags globalFlags ("delete-source":extra) -> do when (noExtraArgs extra) $ die' verbosity ("The 'sandbox delete-source' command expects " ++ "at least one argument") sandboxDeleteSource verbosity extra sandboxFlags globalFlags ["list-sources"] -> sandboxListSources verbosity sandboxFlags globalFlags -- More advanced commands. ("hc-pkg":extra) -> do when (noExtraArgs extra) $ die' verbosity $ "The 'sandbox hc-pkg' command expects at least one argument" sandboxHcPkg verbosity sandboxFlags globalFlags extra ["buildopts"] -> die' verbosity "Not implemented!" -- Hidden commands. ["dump-pkgenv"] -> dumpPackageEnvironment verbosity sandboxFlags globalFlags -- Error handling. [] -> die' verbosity $ "Please specify a subcommand (see 'help sandbox')" _ -> die' verbosity $ "Unknown 'sandbox' subcommand: " ++ unwords extraArgs where noExtraArgs = (<1) . length execAction :: ExecFlags -> [String] -> Action execAction execFlags extraArgs globalFlags = do let verbosity = fromFlag (execVerbosity execFlags) (useSandbox, config) <- loadConfigOrSandboxConfig verbosity globalFlags distPref <- findSavedDistPref config (execDistPref execFlags) let configFlags = savedConfigureFlags config configFlags' = configFlags { configDistPref = Flag distPref } (comp, platform, progdb) <- getPersistOrConfigCompiler configFlags' exec verbosity useSandbox comp platform progdb extraArgs userConfigAction :: UserConfigFlags -> [String] -> Action userConfigAction ucflags extraArgs globalFlags = do let verbosity = fromFlag (userConfigVerbosity ucflags) force = fromFlag (userConfigForce ucflags) case extraArgs of ("init":_) -> do path <- configFile fileExists <- doesFileExist path if (not fileExists || (fileExists && force)) then void $ createDefaultConfigFile verbosity path else die' verbosity $ path ++ " already exists." ("diff":_) -> mapM_ putStrLn =<< userConfigDiff globalFlags ("update":_) -> userConfigUpdate verbosity globalFlags -- Error handling. [] -> die' verbosity $ "Please specify a subcommand (see 'help user-config')" _ -> die' verbosity $ "Unknown 'user-config' subcommand: " ++ unwords extraArgs where configFile = getConfigFilePath (globalConfigFile globalFlags) -- | See 'Distribution.Client.Install.withWin32SelfUpgrade' for details. -- win32SelfUpgradeAction :: Win32SelfUpgradeFlags -> [String] -> Action win32SelfUpgradeAction selfUpgradeFlags (pid:path:_extraArgs) _globalFlags = do let verbosity = fromFlag (win32SelfUpgradeVerbosity selfUpgradeFlags) Win32SelfUpgrade.deleteOldExeFile verbosity (read pid) path -- TODO: eradicateNoParse win32SelfUpgradeAction _ _ _ = return () -- | Used as an entry point when cabal-install needs to invoke itself -- as a setup script. This can happen e.g. when doing parallel builds. -- actAsSetupAction :: ActAsSetupFlags -> [String] -> Action actAsSetupAction actAsSetupFlags args _globalFlags = let bt = fromFlag (actAsSetupBuildType actAsSetupFlags) in case bt of Simple -> Simple.defaultMainArgs args Configure -> Simple.defaultMainWithHooksArgs Simple.autoconfUserHooks args Make -> Make.defaultMainArgs args Custom -> error "actAsSetupAction Custom" (UnknownBuildType _) -> error "actAsSetupAction UnknownBuildType" manpageAction :: [CommandSpec action] -> Flag Verbosity -> [String] -> Action manpageAction commands flagVerbosity extraArgs _ = do let verbosity = fromFlag flagVerbosity unless (null extraArgs) $ die' verbosity $ "'manpage' doesn't take any extra arguments: " ++ unwords extraArgs pname <- getProgName let cabalCmd = if takeExtension pname == ".exe" then dropExtension pname else pname putStrLn $ manpage cabalCmd commands