45 lines
1.9 KiB
Text
45 lines
1.9 KiB
Text
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#!/usr/bin/env runhaskell
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\begin{code}
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{-# OPTIONS_GHC -Wall #-}
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module Main (main) where
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import Data.List ( nub )
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import Data.Version ( showVersion )
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import Distribution.Package ( PackageName(PackageName), PackageId, InstalledPackageId, packageVersion, packageName )
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import Distribution.PackageDescription ( PackageDescription(), TestSuite(..) )
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import Distribution.Simple ( defaultMainWithHooks, UserHooks(..), simpleUserHooks )
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import Distribution.Simple.Utils ( rewriteFile, createDirectoryIfMissingVerbose )
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import Distribution.Simple.BuildPaths ( autogenModulesDir )
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import Distribution.Simple.Setup ( BuildFlags(buildVerbosity), fromFlag )
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import Distribution.Simple.LocalBuildInfo ( withLibLBI, withTestLBI, LocalBuildInfo(), ComponentLocalBuildInfo(componentPackageDeps) )
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import Distribution.Verbosity ( Verbosity )
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import System.FilePath ( (</>) )
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main :: IO ()
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main = defaultMainWithHooks simpleUserHooks
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{ buildHook = \pkg lbi hooks flags -> do
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generateBuildModule (fromFlag (buildVerbosity flags)) pkg lbi
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buildHook simpleUserHooks pkg lbi hooks flags
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}
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generateBuildModule :: Verbosity -> PackageDescription -> LocalBuildInfo -> IO ()
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generateBuildModule verbosity pkg lbi = do
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let dir = autogenModulesDir lbi
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createDirectoryIfMissingVerbose verbosity True dir
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withLibLBI pkg lbi $ \_ libcfg -> do
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withTestLBI pkg lbi $ \suite suitecfg -> do
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rewriteFile (dir </> "Build_" ++ testName suite ++ ".hs") $ unlines
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[ "module Build_" ++ testName suite ++ " where"
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, "deps :: [String]"
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, "deps = " ++ (show $ formatdeps (testDeps libcfg suitecfg))
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]
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where
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formatdeps = map (formatone . snd)
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formatone p = case packageName p of
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PackageName n -> n ++ "-" ++ showVersion (packageVersion p)
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testDeps :: ComponentLocalBuildInfo -> ComponentLocalBuildInfo -> [(InstalledPackageId, PackageId)]
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testDeps xs ys = nub $ componentPackageDeps xs ++ componentPackageDeps ys
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\end{code}
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