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Simple.hs
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Simple.hs
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-----------------------------------------------------------------------------
-- |
-- Module : Distribution.Simple
-- Copyright : Isaac Jones 2003-2004
--
-- Maintainer : Isaac Jones <ijones@syntaxpolice.org>
-- Stability : alpha
-- Portability : portable
--
-- Explanation: Simple build system; basically the interface for
-- Distribution.Simple.\* modules. When given the parsed command-line
-- args and package information, is able to perform basic commands
-- like configure, build, install, register, etc.
--
-- This module isn't called \"Simple\" because it's simple. Far from
-- it. It's called \"Simple\" because it does complicated things to
-- simple software.
{- All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of Isaac Jones nor the names of other
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -}
module Distribution.Simple (
module Distribution.Package,
module Distribution.Version,
module Distribution.License,
module Distribution.Compiler,
module Language.Haskell.Extension,
-- * Simple interface
defaultMain, defaultMainNoRead,
-- * Customization
UserHooks(..), Args,
defaultMainWithHooks, defaultUserHooks, emptyUserHooks,
defaultHookedPackageDesc,
#ifdef DEBUG
simpleHunitTests
#endif
) where
-- local
import Distribution.Compiler
import Distribution.Package --must not specify imports, since we're exporting moule.
import Distribution.PackageDescription
import Distribution.PreProcess (knownSuffixHandlers, ppSuffixes, ppCpp',
ppUnlit, removePreprocessedPackage,
preprocessSources, PPSuffixHandler)
import Distribution.Setup
import Distribution.Simple.Build ( build )
import Distribution.Simple.SrcDist ( sdist )
import Distribution.Simple.Register ( register, unregister,
writeInstalledConfig, installedPkgConfigFile,
regScriptLocation, unregScriptLocation
)
import Distribution.Simple.Configure(LocalBuildInfo(..), getPersistBuildConfig, findProgram,
configure, writePersistBuildConfig, localBuildInfoFile)
import Distribution.Simple.Install(install)
import Distribution.Simple.Utils (die, currentDir, rawSystemVerbose,
defaultPackageDesc, defaultHookedPackageDesc,
moduleToFilePath)
#if mingw32_HOST_OS || mingw32_TARGET_OS
import Distribution.Simple.Utils (rawSystemPath)
#endif
import Language.Haskell.Extension
-- Base
import System.Environment(getArgs)
import System.Exit(ExitCode(..), exitWith)
import System.Directory(removeFile, doesFileExist, doesDirectoryExist)
import Distribution.License
import Control.Monad(when, unless)
import Data.List ( intersperse, unionBy )
import Data.Maybe ( isNothing, fromJust )
import System.IO.Error (try)
import Distribution.GetOpt
import Distribution.Compat.Directory(createDirectoryIfMissing,removeDirectoryRecursive, copyFile)
import Distribution.Compat.FilePath(joinFileName, joinPaths, splitFileName, joinFileExt,
splitFileExt, changeFileExt)
#ifdef DEBUG
import HUnit (Test)
import Distribution.Version hiding (hunitTests)
#else
import Distribution.Version
#endif
type Args = [String]
-- | Hooks allow authors to add specific functionality before and after
-- a command is run, and also to specify additional preprocessors.
data UserHooks = UserHooks
{
runTests :: Args -> Bool -> LocalBuildInfo -> IO ExitCode, -- ^Used for @.\/setup test@
readDesc :: IO (Maybe PackageDescription), -- ^Read the description file
hookedPreProcessors :: [ PPSuffixHandler ],
-- ^Custom preprocessors in addition to and overriding 'knownSuffixHandlers'.
-- |Hook to run before configure command
preConf :: Args -> ConfigFlags -> IO HookedBuildInfo,
-- |Over-ride this hook to get different behavior during configure.
confHook :: PackageDescription -> ConfigFlags -> IO LocalBuildInfo,
-- |Hook to run after configure command
postConf :: Args -> ConfigFlags -> LocalBuildInfo -> IO ExitCode,
-- |Hook to run before build command. Second arg indicates verbosity level.
preBuild :: Args -> Int -> IO HookedBuildInfo,
-- |Over-ride this hook to get different behavior during build.
buildHook :: PackageDescription
-> LocalBuildInfo
-> Int -- verbose
-> [ PPSuffixHandler ]
-> IO (),
-- |Hook to run after build command. Second arg indicates verbosity level.
postBuild :: Args -> Int -> LocalBuildInfo -> IO ExitCode,
-- |Hook to run before clean command. Second arg indicates verbosity level.
preClean :: Args -> Int -> IO HookedBuildInfo,
-- |Over-ride this hook to get different behavior during clean.
cleanHook :: PackageDescription -> LocalBuildInfo -> Int -> [PPSuffixHandler] -> IO (),
-- |Hook to run after clean command. Second arg indicates verbosity level.
postClean :: Args -> Int -> LocalBuildInfo -> IO ExitCode,
-- |Hook to run before copy command
preCopy :: Args -> CopyFlags -> IO HookedBuildInfo,
-- |Over-ride this hook to get different behavior during copy.
copyHook :: PackageDescription
-> LocalBuildInfo
-> (Maybe FilePath,Int) -- install-prefix, verbose
-> IO (),
-- |Hook to run after copy command
postCopy :: Args -> CopyFlags -> LocalBuildInfo -> IO ExitCode,
-- |Hook to run before install command
preInst :: Args -> InstallFlags -> IO HookedBuildInfo,
-- |Over-ride this hook to get different behavior during install.
instHook :: PackageDescription
-> LocalBuildInfo
-> Int -- verbose
-> Bool -- user install?
-> IO (),
-- |Hook to run after install command. postInst should be run
-- on the target, not on the build machine.
postInst :: Args -> InstallFlags -> LocalBuildInfo -> IO ExitCode,
-- |Hook to run before sdist command. Second arg indicates verbosity level.
preSDist :: Args -> Int -> IO HookedBuildInfo,
-- |Over-ride this hook to get different behavior during sdist.
sDistHook :: FilePath -- build prefix (temp dir)
-> FilePath -- TargetPrefix
-> Int -- verbose
-> Bool -- snapshot
-> [PPSuffixHandler] -- extra preprocessors (includes suffixes)
-> PackageDescription
-> IO (),
-- |Hook to run after sdist command. Second arg indicates verbosity level.
postSDist :: Args -> Int -> LocalBuildInfo -> IO ExitCode,
-- |Hook to run before register command
preReg :: Args -> RegisterFlags -> IO HookedBuildInfo,
-- |Over-ride this hook to get different behavior during pfe.
regHook :: PackageDescription -> LocalBuildInfo -> RegisterFlags -> IO (),
-- |Hook to run after register command
postReg :: Args -> RegisterFlags -> LocalBuildInfo -> IO ExitCode,
-- |Hook to run before unregister command
preUnreg :: Args -> RegisterFlags -> IO HookedBuildInfo,
-- |Over-ride this hook to get different behavior during pfe.
unregHook :: PackageDescription -> LocalBuildInfo -> RegisterFlags -> IO (),
-- |Hook to run after unregister command
postUnreg :: Args -> RegisterFlags -> LocalBuildInfo -> IO ExitCode,
-- |Hook to run before haddock command. Second arg indicates verbosity level.
preHaddock :: Args -> Int -> IO HookedBuildInfo,
-- |Hook to run after haddock command. Second arg indicates verbosity level.
-- |Over-ride this hook to get different behavior during haddock.
haddockHook :: PackageDescription -> LocalBuildInfo -> Int -> [PPSuffixHandler] -> IO (),
postHaddock :: Args -> Int -> LocalBuildInfo -> IO ExitCode,
-- |Hook to run before pfe command. Second arg indicates verbosity level.
prePFE :: Args -> Int -> IO HookedBuildInfo,
-- |Over-ride this hook to get different behavior during pfe.
pfeHook :: PackageDescription -> LocalBuildInfo -> Int -> [PPSuffixHandler] -> IO (),
-- |Hook to run after pfe command. Second arg indicates verbosity level.
postPFE :: Args -> Int -> LocalBuildInfo -> IO ExitCode
}
-- |A simple implementation of @main@ for a Cabal setup script.
-- It reads the package description file using IO, and performs the
-- action specified on the command line.
defaultMain :: IO ()
defaultMain = do args <- getArgs
(action, args) <- parseGlobalArgs args
pkg_descr_file <- defaultPackageDesc
pkg_descr <- readPackageDescription pkg_descr_file
defaultMainWorker pkg_descr action args Nothing
return ()
-- | A customizable version of 'defaultMain'.
defaultMainWithHooks :: UserHooks -> IO ()
defaultMainWithHooks hooks
= do args <- getArgs
(action, args) <- parseGlobalArgs args
maybeDesc <- readDesc hooks
pkg_descr <- maybe (defaultPackageDesc >>= readPackageDescription)
return maybeDesc
defaultMainWorker pkg_descr action args (Just hooks)
return ()
-- |Like 'defaultMain', but accepts the package description as input
-- rather than using IO to read it.
defaultMainNoRead :: PackageDescription -> IO ()
defaultMainNoRead pkg_descr
= do args <- getArgs
(action, args) <- parseGlobalArgs args
defaultMainWorker pkg_descr action args Nothing
return ()
-- |Helper function for /defaultMain/ and /defaultMainNoRead/
defaultMainWorker :: PackageDescription
-> Action
-> [String] -- ^args1
-> Maybe UserHooks
-> IO ExitCode
defaultMainWorker pkg_descr_in action args hooks
= do let pps = maybe knownSuffixHandlers
(\h -> overridesPP (hookedPreProcessors h) knownSuffixHandlers)
hooks
case action of
ConfigCmd flags -> do
(flags, optFns, args) <-
parseConfigureArgs flags args [buildDirOpt]
pkg_descr <- hookOrInArgs preConf args flags
(warns, ers) <- sanityCheckPackage pkg_descr
errorOut warns ers
let c = maybe (confHook defaultUserHooks) confHook hooks
localbuildinfo <- c pkg_descr flags
writePersistBuildConfig (foldr id localbuildinfo optFns)
postHook postConf args flags localbuildinfo
BuildCmd -> do
(flags, _, args) <- parseBuildArgs args []
pkg_descr <- hookOrInArgs preBuild args flags
localbuildinfo <- getPersistBuildConfig
let bld = cmdHook buildHook
bld pkg_descr localbuildinfo flags pps
postHook postBuild args flags localbuildinfo
HaddockCmd -> do
(verbose, _, args) <- parseHaddockArgs args []
pkg_descr <- hookOrInArgs preHaddock args verbose
localbuildinfo <- getPersistBuildConfig
let hdk = cmdHook haddockHook
hdk pkg_descr localbuildinfo verbose pps
postHook postHaddock args verbose localbuildinfo
ProgramaticaCmd -> do
(verbose, _, args) <- parseProgramaticaArgs args []
pkg_descr <- hookOrInArgs prePFE args verbose
localbuildinfo <- getPersistBuildConfig
let p = cmdHook pfeHook
p pkg_descr localbuildinfo verbose pps
postHook postPFE args verbose localbuildinfo
CleanCmd -> do
(verbose,_, args) <- parseCleanArgs args []
pkg_descr <- hookOrInArgs preClean args verbose
localbuildinfo <- getPersistBuildConfig
let c = cmdHook cleanHook
c pkg_descr localbuildinfo verbose pps
postHook postClean args verbose localbuildinfo
CopyCmd mprefix -> do
(flags, _, args) <- parseCopyArgs (mprefix,0) args []
pkg_descr <- hookOrInArgs preCopy args flags
localbuildinfo <- getPersistBuildConfig
let c = maybe (copyHook defaultUserHooks) copyHook hooks
c pkg_descr localbuildinfo flags
postHook postCopy args flags localbuildinfo
InstallCmd uInst -> do
(flags@(uInst, verbose), _, args) <- parseInstallArgs (uInst,0) args []
pkg_descr <- hookOrInArgs preInst args flags
localbuildinfo <- getPersistBuildConfig
let inst = cmdHook instHook
inst pkg_descr localbuildinfo verbose uInst
postHook postInst args flags localbuildinfo
SDistCmd -> do
let srcPref = distPref `joinFileName` "src"
((snapshot,verbose),_, args) <- parseSDistArgs args []
pkg_descr <- hookOrInArgs preSDist args verbose
localbuildinfo <- getPersistBuildConfig
let sd = maybe (sDistHook defaultUserHooks) sDistHook hooks
sd srcPref distPref verbose snapshot pps pkg_descr
postHook postSDist args verbose localbuildinfo
TestCmd -> do
(verbose,_, args) <- parseTestArgs args []
case hooks of
Nothing -> return ExitSuccess
Just h -> do localbuildinfo <- getPersistBuildConfig
out <- (runTests h) args False localbuildinfo
when (isFailure out) (exitWith out)
return out
RegisterCmd uInst genScript -> do
(flags, _, args) <- parseRegisterArgs (uInst, genScript, 0) args []
pkg_descr <- hookOrInArgs preReg args flags
localbuildinfo <- getPersistBuildConfig
let r = maybe (regHook defaultUserHooks) regHook hooks
r pkg_descr localbuildinfo flags
postHook postReg args flags localbuildinfo
UnregisterCmd uInst genScript -> do
(flags,_, args) <- parseUnregisterArgs (uInst,genScript, 0) args []
pkg_descr <- hookOrInArgs preUnreg args flags
localbuildinfo <- getPersistBuildConfig
let ur = maybe (unregHook defaultUserHooks) unregHook hooks
ur pkg_descr localbuildinfo flags
postHook postUnreg args flags localbuildinfo
HelpCmd -> return ExitSuccess -- this is handled elsewhere
where
hookOrInArgs :: (UserHooks -> ([String] -> b -> IO HookedBuildInfo))
-> [String]
-> b
-> IO PackageDescription
hookOrInArgs f a i
= case hooks of
Nothing -> no_extra_flags a >> return pkg_descr_in
Just h -> do pbi <- f h a i
return (updatePackageDescription pbi pkg_descr_in)
cmdHook f = maybe (f defaultUserHooks) f hooks
postHook f args flags localbuildinfo
= case hooks of
Nothing -> return ExitSuccess
Just h -> f h args flags localbuildinfo
isFailure :: ExitCode -> Bool
isFailure (ExitFailure _) = True
isFailure _ = False
overridesPP :: [PPSuffixHandler] -> [PPSuffixHandler] -> [PPSuffixHandler]
overridesPP = unionBy (\x y -> fst x == fst y)
-- (filter (\x -> notElem x overriders) overridden) ++ overriders
distPref :: FilePath
distPref = "dist"
haddock :: PackageDescription -> LocalBuildInfo -> Int -> [PPSuffixHandler] -> IO ()
haddock pkg_descr lbi verbose pps =
withLib pkg_descr () $ \lib -> do
mHaddock <- findProgram "haddock" (withHaddock lbi)
when (isNothing mHaddock) (die "haddock command not found")
let bi = libBuildInfo lib
let targetDir = joinPaths distPref (joinPaths "doc" "html")
let tmpDir = joinPaths (buildDir lbi) "tmp"
createDirectoryIfMissing True tmpDir
createDirectoryIfMissing True targetDir
preprocessSources pkg_descr lbi verbose pps
inFiles <- sequence [moduleToFilePath (hsSourceDirs bi) m ["hs", "lhs"]
| m <- exposedModules lib] >>= return . concat
mapM_ (mockPP ["-D__HADDOCK__"] pkg_descr bi lbi tmpDir verbose) inFiles
let showPkg = showPackageId (package pkg_descr)
let prologName = showPkg ++ "-haddock-prolog.txt"
writeFile prologName ((description pkg_descr) ++ "\n")
setupMessage "Running Haddock for" pkg_descr
let outFiles = map (joinFileName tmpDir)
(map ((flip changeFileExt) "hs") inFiles)
code <- rawSystemVerbose verbose (fromJust mHaddock)
(["-h",
"-o", targetDir,
"-t", showPkg,
"-p", prologName]
++ (if verbose > 4 then ["-v"] else [])
++ outFiles
)
removeDirectoryRecursive tmpDir
removeFile prologName
where
mockPP inputArgs pkg_descr bi lbi pref verbose file
= do let (filePref, fileName) = splitFileName file
let targetDir = joinPaths pref filePref
let targetFile = joinFileName targetDir fileName
let (targetFileNoext, targetFileExt) = splitFileExt targetFile
createDirectoryIfMissing True targetDir
if (needsCpp pkg_descr)
then ppCpp' inputArgs bi lbi file targetFile verbose
else copyFile file targetFile >> return ExitSuccess
when (targetFileExt == "lhs") $ do
ppUnlit targetFile (joinFileExt targetFileNoext "hs") verbose
return ()
needsCpp :: PackageDescription -> Bool
needsCpp p | not (hasLibs p) = False
| otherwise = any (== CPP) (extensions $ libBuildInfo $ fromJust $ library p)
pfe :: PackageDescription -> LocalBuildInfo -> Int -> [PPSuffixHandler] -> IO ()
pfe pkg_descr _lbi verbose pps = do
unless (hasLibs pkg_descr) $
die "no libraries found in this project"
withLib pkg_descr () $ \lib -> do
lbi <- getPersistBuildConfig
mPfe <- findProgram "pfesetup" Nothing
when (isNothing mPfe) (die "pfe command not found")
putStrLn $ "using : " ++ fromJust mPfe
let bi = libBuildInfo lib
let mods = exposedModules lib ++ otherModules (libBuildInfo lib)
preprocessSources pkg_descr lbi verbose pps
inFiles <- sequence [moduleToFilePath (hsSourceDirs bi) m ["hs", "lhs"]
| m <- mods] >>= return . concat
rawSystemVerbose verbose (fromJust mPfe)
("noplogic":"cpp": (if verbose > 4 then ["-v"] else [])
++ inFiles)
return ()
clean :: PackageDescription -> LocalBuildInfo -> Int -> [PPSuffixHandler] -> IO ()
clean pkg_descr lbi verbose pps = do
putStrLn "cleaning..."
let buildPref = buildDir lbi
try $ removeDirectoryRecursive buildPref
try $ removeDirectoryRecursive (joinPaths distPref "doc")
try $ removeFile installedPkgConfigFile
try $ removeFile localBuildInfoFile
try $ removeFile regScriptLocation
try $ removeFile unregScriptLocation
removePreprocessedPackage pkg_descr currentDir (ppSuffixes pps)
case compilerFlavor (compiler lbi) of
GHC -> cleanGHCExtras
_ -> return ()
mapM_ removeFileOrDirectory (extraTmpFiles pkg_descr)
where
cleanGHCExtras = do
-- remove source stubs for library
withLib pkg_descr () $ \ Library{libBuildInfo=bi} ->
removeGHCModuleStubs bi (libModules pkg_descr)
-- remove source stubs for executables
withExe pkg_descr $ \ Executable{modulePath=exeSrcName
,buildInfo=bi} -> do
removeGHCModuleStubs bi (exeModules pkg_descr)
let (startN, _) = splitFileExt exeSrcName
try $ removeFile (startN ++ "_stub.h")
try $ removeFile (startN ++ "_stub.c")
removeGHCModuleStubs :: BuildInfo -> [String] -> IO ()
removeGHCModuleStubs (BuildInfo{hsSourceDirs=dirs}) mods = do
s <- sequence [moduleToFilePath dirs (x ++"_stub") ["h", "c"]
| x <- mods ]
mapM_ removeFile (concat s)
removeFileOrDirectory :: FilePath -> IO ()
removeFileOrDirectory fname = do
isDir <- doesDirectoryExist fname
isFile <- doesFileExist fname
if isDir then removeDirectoryRecursive fname
else if isFile then removeFile fname
else return ()
no_extra_flags :: [String] -> IO ()
no_extra_flags [] = return ()
no_extra_flags extra_flags =
die ("Unrecognised flags: " ++ concat (intersperse "," (extra_flags)))
buildDirOpt :: OptDescr (LocalBuildInfo -> LocalBuildInfo)
buildDirOpt = Option "b" ["scratchdir"] (reqDirArg setBuildDir)
"directory to receive the built package [dist/build]"
where setBuildDir dir lbi = lbi { buildDir = dir }
-- |Empty 'UserHooks' which do nothing.
emptyUserHooks :: UserHooks
emptyUserHooks
= UserHooks
{
runTests = res,
readDesc = return Nothing,
hookedPreProcessors = [],
preConf = rn,
confHook = (\_ _ -> return (error "No local build info generated during configure. Over-ride empty configure hook.")),
postConf = res,
preBuild = rn,
buildHook = ru,
postBuild = res,
preClean = rn,
cleanHook = ru,
postClean = res,
preCopy = rn,
copyHook = (\_ _ _ -> return ()),
postCopy = res,
preInst = rn,
instHook = ru,
postInst = res,
preSDist = rn,
sDistHook = (\_ _ _ _ _ _ -> return ()),
postSDist = res,
preReg = rn,
regHook = (\_ _ _ -> return ()),
postReg = res,
preUnreg = rn,
unregHook = (\_ _ _ -> return ()),
postUnreg = res,
prePFE = rn,
pfeHook = ru,
postPFE = res,
preHaddock = rn,
haddockHook = ru,
postHaddock = res
}
where rn _ _ = return emptyHookedBuildInfo
res _ _ _ = return ExitSuccess
ru _ _ _ _ = return ()
-- |Basic default 'UserHooks':
--
-- * on non-Windows systems, 'postConf' runs @.\/configure@, if present.
--
-- * the pre-hooks 'preBuild', 'preClean', 'preCopy', 'preInst',
-- 'preReg' and 'preUnreg' read additional build information from
-- /package/@.buildinfo@, if present.
--
-- Thus @configure@ can use local system information to generate
-- /package/@.buildinfo@ and possibly other files.
-- FIXME: do something sensible for windows, or do nothing in postConf.
defaultUserHooks :: UserHooks
defaultUserHooks
= emptyUserHooks
{
postConf = defaultPostConf,
confHook = configure,
preBuild = readHook id,
buildHook = defaultBuildHook,
preClean = readHook id,
preCopy = readHook snd,
copyHook = install, -- has correct 'copy' behavior with params
preInst = readHook snd,
instHook = defaultInstallHook,
sDistHook = sdist,
pfeHook = pfe,
cleanHook = clean,
haddockHook = haddock,
preReg = readHook thd3,
regHook = defaultRegHook,
unregHook = unregister,
preUnreg = readHook thd3
}
where defaultPostConf :: Args -> ConfigFlags -> LocalBuildInfo -> IO ExitCode
defaultPostConf args flags lbi
= do let verbose = configVerbose flags
args' = addOption "prefix" (configPrefix flags) args
confExists <- doesFileExist "configure"
if confExists then
#if mingw32_HOST_OS || mingw32_TARGET_OS
-- FIXME: hack for script files under MinGW
-- This assumes sh (check for #! line?)
rawSystemPath verbose "sh" ("configure" : args')
#else
rawSystemVerbose verbose "./configure" args'
#endif
else do
no_extra_flags args
return ExitSuccess
addOption :: String -> Maybe String -> [String] -> [String]
addOption _flag Nothing opts = opts
addOption flag (Just value) opts =
("--" ++ flag ++ "=" ++ value) : opts
readHook :: (a -> Int) -> Args -> a -> IO HookedBuildInfo
readHook verbose a flags = do
no_extra_flags a
maybe_infoFile <- defaultHookedPackageDesc
case maybe_infoFile of
Nothing -> return emptyHookedBuildInfo
Just infoFile -> do
when (verbose flags > 0) $
putStrLn $ "Reading parameters from " ++ infoFile
readHookedBuildInfo infoFile
thd3 (_,_,z) = z
defaultInstallHook pkg_descr localbuildinfo verbose uInst = do
install pkg_descr localbuildinfo (Nothing, verbose)
when (hasLibs pkg_descr)
(register pkg_descr localbuildinfo (uInst, False, verbose))
defaultBuildHook pkg_descr localbuildinfo flags pps = do
build pkg_descr localbuildinfo flags pps
when (hasLibs pkg_descr) $
writeInstalledConfig pkg_descr localbuildinfo
defaultRegHook pkg_descr localbuildinfo flags =
if hasLibs pkg_descr
then register pkg_descr localbuildinfo flags
else die "Package contains no library to register"
-- ------------------------------------------------------------
-- * Testing
-- ------------------------------------------------------------
#ifdef DEBUG
simpleHunitTests :: [Test]
simpleHunitTests = []
#endif