diff options
| author | Joey Hess <joey@kitenet.net> | 2014-05-14 19:41:05 -0400 |
|---|---|---|
| committer | Joey Hess <joey@kitenet.net> | 2014-05-14 19:41:05 -0400 |
| commit | 7115d1ec162b4059b3e8e8f84bd8d5898c1db025 (patch) | |
| tree | 42c1cce54e890e1d56484794ab33129132d8fee2 /Utility/Env.hs | |
| parent | ffe371a9d42cded461236e972a24a142419d7fc4 (diff) | |
moved source code to src
This is to work around OSX's brain-damange regarding filename case
insensitivity.
Avoided moving config.hs, because it's a config file. Put in a symlink to
make build work.
Diffstat (limited to 'Utility/Env.hs')
| -rw-r--r-- | Utility/Env.hs | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/Utility/Env.hs b/Utility/Env.hs deleted file mode 100644 index 6763c24e..00000000 --- a/Utility/Env.hs +++ /dev/null @@ -1,81 +0,0 @@ -{- portable environment variables - - - - Copyright 2013 Joey Hess <joey@kitenet.net> - - - - License: BSD-2-clause - -} - -{-# LANGUAGE CPP #-} - -module Utility.Env where - -#ifdef mingw32_HOST_OS -import Utility.Exception -import Control.Applicative -import Data.Maybe -import qualified System.Environment as E -#else -import qualified System.Posix.Env as PE -#endif - -getEnv :: String -> IO (Maybe String) -#ifndef mingw32_HOST_OS -getEnv = PE.getEnv -#else -getEnv = catchMaybeIO . E.getEnv -#endif - -getEnvDefault :: String -> String -> IO String -#ifndef mingw32_HOST_OS -getEnvDefault = PE.getEnvDefault -#else -getEnvDefault var fallback = fromMaybe fallback <$> getEnv var -#endif - -getEnvironment :: IO [(String, String)] -#ifndef mingw32_HOST_OS -getEnvironment = PE.getEnvironment -#else -getEnvironment = E.getEnvironment -#endif - -{- Returns True if it could successfully set the environment variable. - - - - There is, apparently, no way to do this in Windows. Instead, - - environment varuables must be provided when running a new process. -} -setEnv :: String -> String -> Bool -> IO Bool -#ifndef mingw32_HOST_OS -setEnv var val overwrite = do - PE.setEnv var val overwrite - return True -#else -setEnv _ _ _ = return False -#endif - -{- Returns True if it could successfully unset the environment variable. -} -unsetEnv :: String -> IO Bool -#ifndef mingw32_HOST_OS -unsetEnv var = do - PE.unsetEnv var - return True -#else -unsetEnv _ = return False -#endif - -{- Adds the environment variable to the input environment. If already - - present in the list, removes the old value. - - - - This does not really belong here, but Data.AssocList is for some reason - - buried inside hxt. - -} -addEntry :: Eq k => k -> v -> [(k, v)] -> [(k, v)] -addEntry k v l = ( (k,v) : ) $! delEntry k l - -addEntries :: Eq k => [(k, v)] -> [(k, v)] -> [(k, v)] -addEntries = foldr (.) id . map (uncurry addEntry) . reverse - -delEntry :: Eq k => k -> [(k, v)] -> [(k, v)] -delEntry _ [] = [] -delEntry k (x@(k1,_) : rest) - | k == k1 = rest - | otherwise = ( x : ) $! delEntry k rest |
