--- /dev/null
+
+import Data.Maybe
+import Distribution.PackageDescription
+import Distribution.PackageDescription.Parse
+import Distribution.ReadE
+import Distribution.Simple
+import Distribution.Simple.Configure
+import Distribution.Simple.LocalBuildInfo
+import Distribution.Simple.Program
+import Distribution.Simple.Setup
+import Distribution.Simple.Utils
+import Distribution.Text
+import Distribution.Verbosity
+import System.Environment
+
+-- XXX This will need to be changed
+distPref :: FilePath
+distPref = defaultDistPref
+
+main :: IO ()
+main
+ = do args <- getArgs
+ case args of
+ "install" : ghcpkg : ghcpkgconf : destdir : topdir :
+ iprefix : ibindir : ilibdir : ilibexecdir : idynlibdir :
+ idatadir : idocdir : ihtmldir : ihaddockdir :
+ args' ->
+ let verbosity = mkVerbosity args'
+ in doInstall verbosity ghcpkg ghcpkgconf destdir topdir
+ iprefix ibindir ilibdir ilibexecdir idynlibdir idatadir
+ idocdir ihtmldir ihaddockdir
+ _ ->
+ error ("Bad arguments: " ++ show args)
+
+mkVerbosity :: [String] -> Verbosity
+mkVerbosity [] = normal
+mkVerbosity ['-':'v':v] = readEOrFail flagToVerbosity v
+mkVerbosity args = error ("Bad arguments: " ++ show args)
+
+doInstall :: Verbosity -> FilePath -> FilePath -> FilePath -> FilePath
+ -> FilePath -> FilePath -> FilePath -> FilePath -> FilePath
+ -> FilePath -> FilePath -> FilePath -> FilePath
+ -> IO ()
+doInstall verbosity ghcpkg ghcpkgconf destdir topdir
+ iprefix ibindir ilibdir ilibexecdir idynlibdir idatadir
+ idocdir ihtmldir ihaddockdir =
+ do let userHooks = simpleUserHooks
+ copyto = if null destdir then NoCopyDest else CopyTo destdir
+ copyFlags = defaultCopyFlags {
+ copyDest = toFlag copyto,
+ copyVerbosity = toFlag verbosity
+ }
+ registerFlags = defaultRegisterFlags {
+ regPackageDB = toFlag GlobalPackageDB,
+ regVerbosity = toFlag verbosity,
+ regGenScript = toFlag $ False,
+ regInPlace = toFlag $ False
+ }
+ lbi <- getConfig verbosity
+ let pd = localPkgDescr lbi
+ i = installDirTemplates lbi
+ -- This is an almighty hack. We need to register
+ -- ghc-prim:GHC.Prim, but it doesn't exist, get built, get
+ -- haddocked, get copied, etc.
+ pd_reg = if packageName pd == PackageName "ghc-prim"
+ then case library pd of
+ Just lib ->
+ let ems = fromJust (simpleParse "GHC.Prim")
+ : exposedModules lib
+ lib' = lib { exposedModules = ems }
+ in pd { library = Just lib' }
+ Nothing ->
+ error "Expected a library, but none found"
+ else pd
+ -- When coying, we need to actually give a concrete
+ -- directory to copy to rather than "$topdir"
+ toPathTemplate' = toPathTemplate . replaceTopdir topdir
+ i_copy = i { prefix = toPathTemplate' iprefix,
+ bindir = toPathTemplate' ibindir,
+ libdir = toPathTemplate' ilibdir,
+ dynlibdir = toPathTemplate' idynlibdir,
+ libexecdir = toPathTemplate' ilibexecdir,
+ datadir = toPathTemplate' idatadir,
+ docdir = toPathTemplate' idocdir,
+ htmldir = toPathTemplate' ihtmldir,
+ haddockdir = toPathTemplate' ihaddockdir
+ }
+ lbi_copy = lbi { installDirTemplates = i_copy }
+ -- When we run GHC we give it a $topdir that includes the
+ -- $compiler/lib/ part of libsubdir, so we only want the
+ -- $pkgid part in the package.conf file. This is a bit of
+ -- a hack, really.
+ progs = withPrograms lbi
+ prog = ConfiguredProgram {
+ programId = programName ghcPkgProgram,
+ programVersion = Nothing,
+ programArgs = ["--force", "--global-conf", ghcpkgconf],
+ programLocation = UserSpecified ghcpkg
+ }
+ progs' = updateProgram prog progs
+ i_reg = i { prefix = toPathTemplate iprefix,
+ bindir = toPathTemplate ibindir,
+ libdir = toPathTemplate ilibdir,
+ dynlibdir = toPathTemplate idynlibdir,
+ libexecdir = toPathTemplate ilibexecdir,
+ datadir = toPathTemplate idatadir,
+ docdir = toPathTemplate idocdir,
+ htmldir = toPathTemplate ihtmldir,
+ haddockdir = toPathTemplate ihaddockdir
+ }
+ lbi_reg = lbi { installDirTemplates = i_reg,
+ withPrograms = progs' }
+ (copyHook simpleUserHooks) pd lbi_copy userHooks copyFlags
+ (regHook simpleUserHooks) pd_reg lbi_reg userHooks registerFlags
+ return ()
+
+replaceTopdir :: FilePath -> FilePath -> FilePath
+replaceTopdir topdir ('$':'t':'o':'p':'d':'i':'r':p) = topdir ++ p
+replaceTopdir topdir ('$':'h':'t':'t':'p':'t':'o':'p':'d':'i':'r':p)
+ = topdir ++ p
+replaceTopdir _ p = p
+
+-- Get the build info, merging the setup-config and buildinfo files.
+getConfig :: Verbosity -> IO LocalBuildInfo
+getConfig verbosity = do
+ lbi <- getPersistBuildConfig distPref
+ maybe_infoFile <- defaultHookedPackageDesc
+ case maybe_infoFile of
+ Nothing -> return lbi
+ Just infoFile -> do
+ hbi <- readHookedBuildInfo verbosity infoFile
+ return lbi { localPkgDescr = updatePackageDescription hbi (localPkgDescr lbi)}
+
+