54ad1b4cfb
Works around this bug in unix-compat: https://github.com/jacobstanley/unix-compat/issues/56 getFileStatus and other FilePath using functions in unix-compat do not do UNC conversion on Windows. Made Utility.RawFilePath use convertToWindowsNativeNamespace to do the necessary conversion on windows to support long filenames. Audited all imports of System.PosixCompat.Files to make sure that no functions that operate on FilePath were imported from it. Instead, use the equvilants from Utility.RawFilePath. In particular the re-export of that module in Common had to be removed, which led to lots of other changes throughout the code. The changes to Build.Configure, Build.DesktopFile, and Build.TestConfig make Utility.Directory not be needed to build setup. And so let it use Utility.RawFilePath, which depends on unix, which cannot be in setup-depends. Sponsored-by: Dartmouth College's Datalad project
130 lines
3.8 KiB
Haskell
130 lines
3.8 KiB
Haskell
{- Tests the system and generates SysConfig. -}
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{-# OPTIONS_GHC -fno-warn-tabs #-}
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module Build.TestConfig where
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import Utility.Path
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import Utility.Monad
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import Utility.SafeCommand
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import Utility.SystemDirectory
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import System.IO
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import System.FilePath
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type ConfigKey = String
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data ConfigValue =
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BoolConfig Bool |
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StringConfig String |
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MaybeStringConfig (Maybe String) |
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MaybeBoolConfig (Maybe Bool)
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data Config = Config ConfigKey ConfigValue
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type Test = IO Config
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type TestName = String
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data TestCase = TestCase TestName Test
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instance Show ConfigValue where
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show (BoolConfig b) = show b
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show (StringConfig s) = show s
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show (MaybeStringConfig s) = show s
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show (MaybeBoolConfig s) = show s
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instance Show Config where
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show (Config key value) = unlines
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[ key ++ " :: " ++ valuetype value
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, key ++ " = " ++ show value
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]
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where
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valuetype (BoolConfig _) = "Bool"
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valuetype (StringConfig _) = "String"
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valuetype (MaybeStringConfig _) = "Maybe String"
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valuetype (MaybeBoolConfig _) = "Maybe Bool"
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writeSysConfig :: [Config] -> IO ()
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writeSysConfig config = writeFile "Build/SysConfig" body
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where
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body = unlines $ header ++ map show config ++ footer
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header = [
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"{- Automatically generated. -}"
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, ""
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]
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footer = []
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runTests :: [TestCase] -> IO [Config]
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runTests [] = return []
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runTests (TestCase tname t : ts) = do
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testStart tname
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c <- t
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testEnd c
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rest <- runTests ts
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return $ c:rest
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{- Checks if a command is available by running a command line. -}
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testCmd :: ConfigKey -> String -> Test
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testCmd k cmdline = do
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ok <- boolSystem "sh" [ Param "-c", Param $ quiet cmdline ]
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return $ Config k (BoolConfig ok)
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{- Ensures that one of a set of commands is available by running each in
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- turn. The Config is set to the first one found. -}
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selectCmd :: ConfigKey -> [(String, String)] -> Test
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selectCmd k = searchCmd
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(return . Config k . StringConfig)
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(\cmds -> do
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testEnd $ Config k $ BoolConfig False
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error $ "* need one of these commands, but none are available: " ++ show cmds
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)
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maybeSelectCmd :: ConfigKey -> [(String, String)] -> Test
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maybeSelectCmd k = searchCmd
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(return . Config k . MaybeStringConfig . Just)
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(\_ -> return $ Config k $ MaybeStringConfig Nothing)
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searchCmd :: (String -> Test) -> ([String] -> Test) -> [(String, String)] -> Test
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searchCmd success failure cmdsparams = search cmdsparams
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where
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search [] = failure $ fst $ unzip cmdsparams
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search ((c, params):cs) = do
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ok <- boolSystem "sh" [ Param "-c", Param $ quiet $ c ++ " " ++ params ]
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if ok
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then success c
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else search cs
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{- Finds a command, either in PATH or perhaps in a sbin directory not in
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- PATH. If it's in PATH the config is set to just the command name,
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- but if it's found outside PATH, the config is set to the full path to
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- the command. -}
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findCmdPath :: ConfigKey -> String -> Test
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findCmdPath k command = do
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ifM (inSearchPath command)
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( return $ Config k $ MaybeStringConfig $ Just command
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, do
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r <- getM find ["/usr/sbin", "/sbin", "/usr/local/sbin"]
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return $ Config k $ MaybeStringConfig r
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)
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where
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find d =
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let f = d </> command
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in ifM (doesFileExist f) ( return (Just f), return Nothing )
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quiet :: String -> String
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quiet s = s ++ " >/dev/null 2>&1"
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testStart :: TestName -> IO ()
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testStart s = do
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putStr $ " checking " ++ s ++ "..."
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hFlush stdout
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testEnd :: Config -> IO ()
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testEnd (Config _ (BoolConfig True)) = status "yes"
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testEnd (Config _ (BoolConfig False)) = status "no"
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testEnd (Config _ (StringConfig s)) = status s
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testEnd (Config _ (MaybeStringConfig (Just s))) = status s
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testEnd (Config _ (MaybeStringConfig Nothing)) = status "not available"
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testEnd (Config _ (MaybeBoolConfig (Just True))) = status "yes"
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testEnd (Config _ (MaybeBoolConfig (Just False))) = status "no"
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testEnd (Config _ (MaybeBoolConfig Nothing)) = status "unknown"
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status :: String -> IO ()
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status s = putStrLn $ ' ':s
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