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Diffstat (limited to 'src/CabalHelper/Compiletime/Wrapper.hs')
| -rw-r--r-- | src/CabalHelper/Compiletime/Wrapper.hs | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/src/CabalHelper/Compiletime/Wrapper.hs b/src/CabalHelper/Compiletime/Wrapper.hs deleted file mode 100644 index 461ef96..0000000 --- a/src/CabalHelper/Compiletime/Wrapper.hs +++ /dev/null @@ -1,227 +0,0 @@ --- cabal-helper: Simple interface to Cabal's configuration state --- Copyright (C) 2015-2018 Daniel Gröber <cabal-helper@dxld.at> --- --- This program is free software: you can redistribute it and/or modify --- it under the terms of the GNU General Public License as published by --- the Free Software Foundation, either version 3 of the License, or --- (at your option) any later version. --- --- This program is distributed in the hope that it will be useful, --- but WITHOUT ANY WARRANTY; without even the implied warranty of --- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the --- GNU General Public License for more details. --- --- You should have received a copy of the GNU General Public License --- along with this program. If not, see <http://www.gnu.org/licenses/>. -{-# LANGUAGE RecordWildCards, NamedFieldPuns, FlexibleContexts, ViewPatterns #-} -module Main where - -import Cabal.Plan -import Control.Applicative -import Control.Monad -import Data.Char -import Data.List -import Data.Maybe -import Data.String -import Text.Printf -import Text.Show.Pretty -import System.Console.GetOpt -import System.Environment -import System.Directory -import System.FilePath -import System.Process -import System.Exit -import System.IO -import Prelude - -import qualified Data.Text as Text -import qualified Data.Map.Strict as Map - -import Distribution.System (buildPlatform) -import Distribution.Text (display) -import Distribution.Verbosity (silent, deafening) -import Distribution.Package (packageName, packageVersion) -import Distribution.Simple.GHC as GHC (configure) - -import Paths_cabal_helper (version) -import CabalHelper.Compiletime.Compat.ProgramDb - ( defaultProgramDb, programPath, lookupProgram, ghcProgram, ghcPkgProgram) -import CabalHelper.Compiletime.Compat.Version -import CabalHelper.Compiletime.Compile -import CabalHelper.Compiletime.Types -import CabalHelper.Shared.Common -import CabalHelper.Shared.InterfaceTypes - -usage :: IO () -usage = do - prog <- getProgName - hPutStr stderr $ "Usage: " ++ prog ++ " " ++ usageMsg - where - usageMsg = "\ -\( print-appcachedir\n\ -\| print-build-platform\n\ -\| [--verbose]\n\ -\ [--with-ghc=GHC_PATH]\n\ -\ [--with-ghc-pkg=GHC_PKG_PATH]\n\ -\ [--with-cabal=CABAL_PATH]\n\ -\ [--with-cabal-version=VERSION]\n\ -\ [--with-cabal-pkg-db=PKG_DB]\n\ -\ v1-style PROJ_DIR DIST_DIR \n\ -\ ( print-exe | package-id | [CABAL_HELPER_ARGS...] )\n\ -\ v2-style PROJ_DIR DIST_NEWSTYLE_DIR DIST_DIR\n\ -\ ( print-exe | package-id | [CABAL_HELPER_ARGS...] )\n\ -\)\n" - -globalArgSpec :: [OptDescr (Options -> Options)] -globalArgSpec = - [ option "h" ["help"] "Display help message" $ - NoArg $ \o -> o { oHelp = True } - , option "" ["verbose"] "Be more verbose" $ - NoArg $ \o -> o { oVerbose = True } - - , option "" ["with-ghc"] "GHC executable to use" $ - reqArg "PROG" $ \p o -> o { oGhcProgram = p } - - , option "" ["with-ghc-pkg"] "ghc-pkg executable to use (only needed when guessing from GHC path fails)" $ - reqArg "PROG" $ \p o -> o { oGhcPkgProgram = p } - - , option "" ["with-cabal"] "cabal-install executable to use" $ - reqArg "PROG" $ \p o -> o { oCabalProgram = p } - - , option "" ["with-cabal-version"] "Cabal library version to use" $ - reqArg "VERSION" $ \p o -> o { oCabalVersion = Just $ parseVer p } - - , option "" ["with-cabal-pkg-db"] "package database to look for Cabal library in" $ - reqArg "PKG_DB" $ \p o -> o { oCabalPkgDb = Just (PackageDbDir p) } - - ] - where - option :: [Char] -> [String] -> String -> ArgDescr a -> OptDescr a - option s l udsc dsc = Option s l dsc udsc - - reqArg :: String -> (String -> a) -> ArgDescr a - reqArg udsc dsc = ReqArg dsc udsc - -parseCommandArgs :: Options -> [String] -> (Options, [String]) -parseCommandArgs opts argv - = case getOpt RequireOrder globalArgSpec argv of - (o,r,[]) -> (foldr id opts o, r) - (_,_,errs) -> - panic $ "Parsing command options failed:\n" ++ concat errs - -guessProgramPaths :: Options -> IO Options -guessProgramPaths opts = do - let v | oVerbose opts = deafening - | otherwise = silent - - mGhcPath0 | same oGhcProgram opts dopts = Nothing - | otherwise = Just $ oGhcProgram opts - mGhcPkgPath0 | same oGhcPkgProgram opts dopts = Nothing - | otherwise = Just $ oGhcPkgProgram opts - - (_compiler, _mplatform, progdb) - <- GHC.configure - v - mGhcPath0 - mGhcPkgPath0 - defaultProgramDb - - let mghcPath1 = programPath <$> lookupProgram ghcProgram progdb - mghcPkgPath1 = programPath <$> lookupProgram ghcPkgProgram progdb - - return $ opts { oGhcProgram = fromMaybe (oGhcProgram opts) mghcPath1 - , oGhcPkgProgram = fromMaybe (oGhcProgram opts) mghcPkgPath1 - } - where - same f o o' = f o == f o' - dopts = defaultOptions - -overrideVerbosityEnvVar :: Options -> IO Options -overrideVerbosityEnvVar opts = do - x <- lookup "CABAL_HELPER_DEBUG" <$> getEnvironment - return $ case x of - Just _ -> opts { oVerbose = True } - Nothing -> opts - -main :: IO () -main = handlePanic $ do - (opts', args) <- parseCommandArgs defaultOptions <$> getArgs - opts <- overrideVerbosityEnvVar =<< guessProgramPaths opts' - case args of - _ | oHelp opts -> usage - [] -> usage - "help":[] -> usage - "version":[] -> putStrLn $ showVersion version - "print-appdatadir":[] -> putStrLn =<< appCacheDir - "print-appcachedir":[] -> putStrLn =<< appCacheDir - "print-build-platform":[] -> putStrLn $ display buildPlatform - - _:projdir:_distdir:"package-id":[] -> do - let v | oVerbose opts = deafening - | otherwise = silent - -- ghc-mod will catch multiple cabal files existing before we get here - [cfile] <- filter isCabalFile <$> getDirectoryContents projdir - gpd <- readPackageDescription v (projdir </> cfile) - putStrLn $ show $ - [Just $ ChResponseVersion (display (packageName gpd)) (toDataVersion $ packageVersion gpd)] - - "v2-style":projdir:distdir_newstyle:unitid':args' -> do - let unitid = UnitId $ Text.pack unitid' - let plan_path = distdir_newstyle </> "cache" </> "plan.json" - plan@PlanJson {pjCabalLibVersion=Ver (makeDataVersion -> pjCabalLibVersion) } - <- decodePlanJson plan_path - case oCabalVersion opts of - Just ver | pjCabalLibVersion /= ver -> let - sver = showVersion ver - spjVer = showVersion pjCabalLibVersion - in panic $ printf "\ -\Cabal version %s was requested but plan.json was written by version %s" sver spjVer - _ -> case Map.lookup unitid $ pjUnits plan of - Just u@Unit {uType} | uType /= UnitTypeLocal -> do - panic $ "\ -\UnitId '"++ unitid' ++"' points to non-local unit: " ++ ppShow u - Just Unit {uDistDir=Nothing} -> panic $ printf "\ -\plan.json doesn't contain 'dist-dir' for UnitId '"++ unitid' ++"'" - Just Unit {uType=UnitTypeLocal, uDistDir=Just distdir} -> - runHelper opts projdir (Just (plan, distdir_newstyle)) distdir pjCabalLibVersion args' - _ -> let - units = map (\(UnitId u) -> Text.unpack u) - $ Map.keys - $ Map.filter ((==UnitTypeLocal) . uType) - $ pjUnits plan - - units_list = unlines $ map (" "++) units - in - panic $ "\ -\UnitId '"++ unitid' ++"' not found in plan.json, available local units:\n" ++ units_list - - "v1-style":projdir:distdir:args' -> do - cfgf <- canonicalizePath (distdir </> "setup-config") - mhdr <- getCabalConfigHeader cfgf - case (mhdr, oCabalVersion opts) of - (Nothing, _) -> panic $ printf "\ -\Could not read Cabal's persistent setup configuration header\n\ -\- Check first line of: %s\n\ -\- Maybe try: $ cabal configure" cfgf - (Just (hdrCabalVersion, _), Just ver) - | hdrCabalVersion /= ver -> panic $ printf "\ -\Cabal version %s was requested but setup configuration was\n\ -\written by version %s" (showVersion ver) (showVersion hdrCabalVersion) - (Just (hdrCabalVersion, _), _) -> - runHelper opts projdir Nothing distdir hdrCabalVersion args' - _ -> do - hPutStrLn stderr "Invalid command line!" - usage - exitWith $ ExitFailure 1 - -runHelper :: Options -> FilePath -> Maybe (PlanJson, FilePath) -> FilePath -> DataVersion -> [String] -> IO () -runHelper opts projdir mnewstyle distdir cabal_ver args' = do - eexe <- compileHelper opts cabal_ver projdir mnewstyle distdir - case eexe of - Left e -> exitWith e - Right exe -> do - case args' of - "print-exe":_ -> putStrLn exe - _ -> do - (_,_,_,h) <- createProcess $ proc exe $ projdir : distdir : args' - exitWith =<< waitForProcess h |