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Main.hs
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Main.hs
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-----------------------------------------------------------------------------
-- |
-- 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 where
import Hackage.Setup
import Distribution.PackageDescription (cabalVersion)
import Distribution.Simple.Setup (Flag, fromFlag, fromFlagOrDefault,
flagToMaybe)
import qualified Distribution.Simple.Setup as Cabal
import Distribution.Simple.Program (defaultProgramConfiguration)
import Distribution.Simple.Command
import Distribution.Simple.SetupWrapper (setupWrapper)
import Distribution.Simple.Configure (configCompilerAux)
import Distribution.Simple.Utils (die)
import Hackage.Config (SavedConfig(..), savedConfigToConfigFlags,
defaultConfigFile, loadConfig, configRepos,
configPackageDB)
import Hackage.List (list)
import Hackage.Install (install)
import Hackage.Info (info)
import Hackage.Update (update)
import Hackage.Upgrade (upgrade)
import Hackage.Fetch (fetch)
--import Hackage.Clean (clean)
import Hackage.Upload (upload, check)
import Distribution.Verbosity (Verbosity, normal)
import Distribution.Version (showVersion)
import qualified Paths_cabal_install (version)
import System.Environment (getArgs, getProgName)
import System.Exit (exitWith, ExitCode(..))
import Data.List (intersperse)
import Data.Monoid (Monoid(..))
-- | Entry point
--
main :: IO ()
main = getArgs >>= mainWorker
mainWorker :: [String] -> IO ()
mainWorker args =
case commandsRun globalCommand commands args of
CommandHelp help -> printHelp help
CommandList opts -> printOptionsList opts
CommandErrors errs -> printErrors errs
CommandReadyToGo (flags, commandParse) ->
case commandParse of
_ | fromFlag (globalVersion flags) -> printVersion
| fromFlag (globalNumericVersion flags) -> printNumericVersion
CommandHelp help -> printHelp help
CommandList opts -> printOptionsList opts
CommandErrors errs -> printErrors errs
CommandReadyToGo action -> action
where
printHelp help = getProgName >>= putStr . help
printOptionsList = putStr . unlines
printErrors errs = do
putStr (concat (intersperse "\n" errs))
exitWith (ExitFailure 1)
printNumericVersion = putStrLn $ showVersion Paths_cabal_install.version
printVersion = putStrLn $ "cabal-install version "
++ showVersion Paths_cabal_install.version
++ "\nusing version "
++ showVersion cabalVersion
++ " of the Cabal library "
commands =
[configureCommand `commandAddAction` configureAction
,installCommand `commandAddAction` installAction
,infoCommand `commandAddAction` infoAction
,listCommand `commandAddAction` listAction
,updateCommand `commandAddAction` updateAction
,upgradeCommand `commandAddAction` upgradeAction
,fetchCommand `commandAddAction` fetchAction
,uploadCommand `commandAddAction` uploadAction
,wrapperAction (Cabal.buildCommand defaultProgramConfiguration)
,wrapperAction Cabal.copyCommand
,wrapperAction Cabal.haddockCommand
,wrapperAction Cabal.cleanCommand
,wrapperAction Cabal.sdistCommand
,wrapperAction Cabal.hscolourCommand
,wrapperAction Cabal.registerCommand
-- ,wrapperAction unregisterCommand
,wrapperAction Cabal.testCommand
-- ,wrapperAction programaticaCommand
-- ,wrapperAction makefileCommand
]
wrapperAction :: CommandUI flags -> Command (IO ())
wrapperAction command =
commandAddAction command $ \flags extraArgs ->
let args = commandName command : commandShowOptions command flags ++ extraArgs
in setupWrapper args Nothing
configureAction :: Cabal.ConfigFlags -> [String] -> IO ()
configureAction flags extraArgs = do
configFile <- defaultConfigFile --FIXME
let verbosity = fromFlagOrDefault normal (Cabal.configVerbose flags)
config <- loadConfig verbosity configFile
let flags' = savedConfigToConfigFlags (Cabal.configPackageDB flags) config
`mappend` flags
args = commandName configureCommand
: commandShowOptions configureCommand flags' ++ extraArgs
setupWrapper args Nothing
installAction :: Cabal.ConfigFlags -> [String] -> IO ()
installAction flags extraArgs = do
pkgs <- either die return (parsePackageArgs extraArgs)
configFile <- defaultConfigFile --FIXME
let verbosity = fromFlagOrDefault normal (Cabal.configVerbose flags)
config <- loadConfig verbosity configFile
let flags' = savedConfigToConfigFlags (Cabal.configPackageDB flags) config
`mappend` flags
(comp, conf) <- configCompilerAux flags'
install verbosity
(fromFlag $ Cabal.configPackageDB flags') (configRepos config)
comp conf flags' pkgs
infoAction :: Cabal.Flag Verbosity -> [String] -> IO ()
infoAction verbosityFlag extraArgs = do
pkgs <- either die return (parsePackageArgs extraArgs)
configFile <- defaultConfigFile --FIXME
let verbosity = fromFlag verbosityFlag
config <- loadConfig verbosity configFile
let flags = savedConfigToConfigFlags (configPackageDB config) config
(comp, conf) <- configCompilerAux flags
info verbosity
(fromFlag $ Cabal.configPackageDB flags) (configRepos config)
comp conf pkgs
listAction :: Cabal.Flag Verbosity -> [String] -> IO ()
listAction verbosityFlag extraArgs = do
configFile <- defaultConfigFile --FIXME
let verbosity = fromFlag verbosityFlag
config <- loadConfig verbosity configFile
list verbosity (configRepos config) extraArgs
updateAction :: Flag Verbosity -> [String] -> IO ()
updateAction verbosityFlag _extraArgs = do
configFile <- defaultConfigFile --FIXME
let verbosity = fromFlag verbosityFlag
config <- loadConfig verbosity configFile
update verbosity (configRepos config)
upgradeAction :: Cabal.ConfigFlags -> [String] -> IO ()
upgradeAction flags _extraArgs = do
configFile <- defaultConfigFile --FIXME
let verbosity = fromFlagOrDefault normal (Cabal.configVerbose flags)
config <- loadConfig verbosity configFile
let flags' = savedConfigToConfigFlags (Cabal.configPackageDB flags) config
`mappend` flags
(comp, conf) <- configCompilerAux flags'
upgrade verbosity
(fromFlag $ Cabal.configPackageDB flags') (configRepos config)
comp conf flags'
fetchAction :: Flag Verbosity -> [String] -> IO ()
fetchAction verbosityFlag extraArgs = do
pkgs <- either die return (parsePackageArgs extraArgs)
configFile <- defaultConfigFile --FIXME
let verbosity = fromFlag verbosityFlag
config <- loadConfig verbosity configFile
let flags = savedConfigToConfigFlags (configPackageDB config) config
(comp, conf) <- configCompilerAux flags
fetch verbosity
(fromFlag $ Cabal.configPackageDB flags) (configRepos config)
comp conf pkgs
uploadAction :: UploadFlags -> [String] -> IO ()
uploadAction flags extraArgs = do
configFile <- defaultConfigFile --FIXME
let verbosity = fromFlag (uploadVerbosity flags)
config <- loadConfig verbosity configFile
-- FIXME: check that the .tar.gz files exist and report friendly error message if not
let tarfiles = extraArgs
if fromFlag (uploadCheck flags)
then check verbosity tarfiles
else upload verbosity
(flagToMaybe $ configUploadUsername config
`mappend` uploadUsername flags)
(flagToMaybe $ configUploadPassword config
`mappend` uploadPassword flags)
tarfiles