From d53c986113cef78e2b504ecd5a4bba60999a55e1 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Mon, 11 Jul 2016 18:55:26 +0300
Subject: become a proper stack project

---
 UnsetEnv.hs | 65 -------------------------------------------------------------
 1 file changed, 65 deletions(-)
 delete mode 100644 UnsetEnv.hs

(limited to 'UnsetEnv.hs')

diff --git a/UnsetEnv.hs b/UnsetEnv.hs
deleted file mode 100644
index cd43696..0000000
--- a/UnsetEnv.hs
+++ /dev/null
@@ -1,65 +0,0 @@
-{-
- - Copyright 2015 Egor Tensin <Egor.Tensin@gmail.com>
- - This file is licensed under the terms of the MIT License.
- - See LICENSE.txt for details.
--}
-
-module Main ( main ) where
-
-import System.Console.GetOpt
-import System.Environment ( getArgs, getProgName )
-import System.Exit ( exitFailure, exitSuccess )
-import System.IO ( hPutStr, stderr )
-
-import qualified EnvUtils
-
-main :: IO ()
-main = do
-  rawArgs <- getArgs
-  case getOpt Permute optionDescription rawArgs of
-    (actions, args, []) -> do
-      options <- foldl (>>=) (return defaultOptions) actions
-      case args of
-        [name] -> unsetEnv name options
-        _ -> invalidNumberOfArguments
-    (_, _, errorMessages) -> exitWithUsageErrors errorMessages
-
-unsetEnv :: String -> Options -> IO ()
-unsetEnv name options = EnvUtils.wipeFromRegistryWithPrompt (env options) name
-
-data Options = Options { env :: EnvUtils.RegistryBasedEnvironment } deriving (Eq, Show)
-
-defaultOptions :: Options
-defaultOptions = Options { env = EnvUtils.CurrentUserEnvironment }
-
-buildHelpMessage :: IO String
-buildHelpMessage = do
-  header <- buildHeader
-  return $ usageInfo header optionDescription
-    where
-      buildHeader :: IO String
-      buildHeader = do
-        progName <- getProgName
-        return $ "Usage: " ++ progName ++ " [OPTIONS...] NAME\nOptions:"
-
-exitWithHelpMessage :: a -> IO b
-exitWithHelpMessage _ = do
-  helpMessage <- buildHelpMessage
-  putStr helpMessage
-  exitSuccess
-
-exitWithUsageErrors :: [String] -> IO a
-exitWithUsageErrors errorMessages = do
-  hPutStr stderr $ concatMap ("Usage error: " ++) errorMessages
-  helpMessage <- buildHelpMessage
-  hPutStr stderr helpMessage
-  exitFailure
-
-invalidNumberOfArguments :: IO a
-invalidNumberOfArguments = exitWithUsageErrors ["invalid number of arguments\n"]
-
-optionDescription :: [OptDescr (Options -> IO Options)]
-optionDescription = [
-    Option "g" ["global"] (NoArg $ \opts -> return opts { env = EnvUtils.AllUsersEnvironment }) "delete from the registry key for all users",
-    Option "h" ["help"] (NoArg exitWithHelpMessage) "show this message and exit"
-  ]
-- 
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