clean up from windows porting

Annex/Branch.hs

@@ -24,11 +24,6 @@ module Annex.Branch (
 ) where
 
 import qualified Data.ByteString.Lazy.Char8 as L
-#ifdef __ANDROID__
-import System.Posix.Env (getEnv)
-#else
-import System.Environment (getEnvironment)
-#endif
 
 import Common.Annex
 import Annex.BranchState
@@ -45,6 +40,7 @@ import Git.FilePath
 import Annex.CatFile
 import Annex.Perms
 import qualified Annex
+import Utility.Env
 
 {- Name of the branch that is used to store git-annex's information. -}
 name :: Git.Ref

Annex/Content/Direct.hs

@@ -33,8 +33,6 @@ import Utility.TempFile
 import Logs.Location
 import Utility.InodeCache
 
-import System.PosixCompat.Files
-
 {- Absolute FilePaths of Files in the tree that are associated with a key. -}
 associatedFiles :: Key -> Annex [FilePath]
 associatedFiles key = do

Annex/Direct.hs

@@ -27,8 +27,6 @@ import Utility.InodeCache
 import Utility.CopyFile
 import Annex.Perms
 
-import System.PosixCompat.Files
-
 {- Uses git ls-files to find files that need to be committed, and stages
  - them into the index. Returns True if some changes were staged. -}
 stageDirect :: Annex Bool

Annex/Environment.hs

@@ -10,16 +10,10 @@
 module Annex.Environment where
 
 import Common.Annex
-#ifndef __WINDOWS__
+import Utility.Env
 import Utility.UserInfo
-#endif
 import qualified Git.Config
 
-#ifndef __WINDOWS__
-import System.Posix.Env
-#endif
-import Network.BSD
-
 {- Checks that the system's environment allows git to function.
  - Git requires a GECOS username, or suitable git configuration, or
  - environment variables. -}
@@ -41,7 +35,7 @@ checkEnvironmentIO =
   where
 #ifndef __ANDROID__
   	-- existing environment is not overwritten
-	ensureEnv var val = setEnv var val False
+	ensureEnv var val = void $ setEnv var val False
 #else
 	-- Environment setting is broken on Android, so this is dealt with
 	-- in runshell instead.

Annex/Link.hs

@@ -19,8 +19,6 @@ import qualified Git.UpdateIndex
 import qualified Annex.Queue
 import Git.Types
 
-import System.PosixCompat.Files
-
 type LinkTarget = String
 
 {- Checks if a file is a link to a key. -}

Annex/Perms.hs

@@ -22,7 +22,6 @@ import qualified Annex
 import Config
 
 import System.Posix.Types
-import System.PosixCompat.Files
 
 withShared :: (SharedRepository -> Annex a) -> Annex a
 withShared a = maybe startup a =<< Annex.getState Annex.shared

Annex/Ssh.hs

@@ -14,9 +14,6 @@ module Annex.Ssh (
 ) where
 
 import qualified Data.Map as M
-#ifndef __WINDOWS__
-import System.Posix.Env
-#endif
 
 import Common.Annex
 import Annex.LockPool
@@ -24,6 +21,7 @@ import Annex.Perms
 import qualified Build.SysConfig as SysConfig
 import qualified Annex
 import Config
+import Utility.Env
 
 {- Generates parameters to ssh to a given host (or user@host) on a given
  - port, with connection caching. -}
@@ -78,11 +76,7 @@ sshCacheDir
 		)
 	| otherwise = return Nothing
   where
-#ifndef __WINDOWS__
 	gettmpdir = liftIO $ getEnv "GIT_ANNEX_TMP_DIR"
-#else
-	gettmpdir = return Nothing
-#endif
 	usetmpdir tmpdir = liftIO $ catchMaybeIO $ do
 		createDirectoryIfMissing True tmpdir
 		return tmpdir

Assistant/Install.hs

@@ -17,6 +17,7 @@ import Config.Files
 import Utility.FileMode
 import Utility.Shell
 import Utility.TempFile
+import Utility.Env
 
 #ifdef darwin_HOST_OS
 import Utility.OSX
@@ -24,8 +25,6 @@ import Utility.OSX
 import Utility.FreeDesktop
 #endif
 
-import System.Posix.Env
-
 standaloneAppBase :: IO (Maybe FilePath)
 standaloneAppBase = getEnv "GIT_ANNEX_APP_BASE"
 

Assistant/XMPP/Git.hs

@@ -32,10 +32,10 @@ import qualified Remote as Remote
 import Remote.List
 import Utility.FileMode
 import Utility.Shell
+import Utility.Env
 
 import Network.Protocol.XMPP
 import qualified Data.Text as T
-import System.Posix.Env
 import System.Posix.Types
 import System.Process (std_in, std_out, std_err)
 import Control.Concurrent

Backend/SHA.hs

@@ -18,7 +18,6 @@ import qualified Build.SysConfig as SysConfig
 import Data.Digest.Pure.SHA
 import qualified Data.ByteString.Lazy as L
 import Data.Char
-import System.PosixCompat.Files
 
 type SHASize = Int
 

Backend/WORM.hs

@@ -12,8 +12,6 @@ import Types.Backend
 import Types.Key
 import Types.KeySource
 
-import System.PosixCompat.Files
-
 backends :: [Backend]
 backends = [backend]
 

Command/TransferKeys.hs

@@ -9,8 +9,6 @@
 
 module Command.TransferKeys where
 
-import System.PosixCompat.Files
-
 import Common.Annex
 import Command
 import Annex.Content

Command/WebApp.hs

@@ -158,7 +158,11 @@ firstRun listenhost = do
 	sendurlback v _origout _origerr url _htmlshim = putMVar v url
 
 openBrowser :: Maybe FilePath -> FilePath -> String -> Maybe Handle -> Maybe Handle -> IO ()
+#ifdef __ANDROID__
 openBrowser mcmd htmlshim realurl outh errh = do
+#else
+openBrowser mcmd htmlshim _realurl outh errh = do
+#endif
 	hPutStrLn (fromMaybe stdout outh) $ "Launching web browser on " ++ url
 	hFlush stdout
 	environ <- cleanEnvironment

Common.hs

@@ -16,8 +16,8 @@ import "MissingH" System.Path as X
 import System.FilePath as X
 import System.Directory as X
 import System.IO as X hiding (FilePath)
+import System.PosixCompat.Files as X
 #ifndef mingw32_HOST_OS
-import System.Posix.Files as X
 import System.Posix.IO as X
 #endif
 import System.Exit as X

Creds.hs

@@ -15,11 +15,9 @@ import Utility.FileMode
 import Crypto
 import Types.Remote (RemoteConfig, RemoteConfigKey)
 import Remote.Helper.Encryptable (remoteCipher, embedCreds)
+import Utility.Env (setEnv)
 
 import System.Environment
-#ifndef mingw32_HOST_OS
-import System.Posix.Env (setEnv)
-#endif
 import qualified Data.ByteString.Lazy.Char8 as L
 import qualified Data.Map as M
 import Utility.Base64
@@ -115,7 +113,7 @@ setEnvCredPair (l, p) storage = do
 	set penv p
   where
 	(uenv, penv) = credPairEnvironment storage
-	set var val = setEnv var val True
+	set var val = void $ setEnv var val True
 #else
 setEnvCredPair _ _ = error "setEnvCredPair TODO"
 #endif

Git/CurrentRepo.hs

@@ -11,13 +11,13 @@ module Git.CurrentRepo where
 
 #ifndef __WINDOWS__
 import System.Posix.Directory (changeWorkingDirectory)
-import System.Posix.Env (getEnv, unsetEnv)
 #endif
 
 import Common
 import Git.Types
 import Git.Construct
 import qualified Git.Config
+import Utility.Env
 
 {- Gets the current git repository.
  -
@@ -51,7 +51,7 @@ get = do
 		v <- getEnv s
 		case v of
 			Just d -> do
-				unsetEnv s
+				void $ unsetEnv s
 				Just <$> absPath d
 			Nothing -> return Nothing
 #else

Git/Index.hs

@@ -7,7 +7,7 @@
 
 module Git.Index where
 
-import System.Posix.Env (setEnv, unsetEnv, getEnv)
+import Utility.Env
 
 {- Forces git to use the specified index file.
  -

Logs/Transfer.hs

@@ -20,7 +20,6 @@ import Utility.Percentage
 import Utility.QuickCheck
 
 import System.Posix.Types
-import System.PosixCompat.Files
 import Data.Time.Clock
 import Data.Time.Clock.POSIX
 import Data.Time

Test.hs

@@ -13,7 +13,6 @@ import Test.QuickCheck.Test
 
 import System.Posix.Directory (changeWorkingDirectory)
 import System.Posix.Files
-import System.Posix.Env
 import Control.Exception.Extensible
 import qualified Data.Map as M
 import System.IO.HVFS (SystemFS(..))
@@ -53,6 +52,7 @@ import qualified Utility.Verifiable
 import qualified Utility.Process
 import qualified Utility.Misc
 import qualified Utility.InodeCache
+import qualified Utility.Env
 
 main :: IO ()
 main = do
@@ -726,7 +726,7 @@ test_bup_remote = "git-annex bup remote" ~: intmpclonerepo $ when Build.SysConfi
 test_crypto :: Test
 test_crypto = "git-annex crypto" ~: intmpclonerepo $ when Build.SysConfig.gpg $ do
 	-- force gpg into batch mode for the tests
-	setEnv "GPG_BATCH" "1" True
+	void $ Utility.Env.setEnv "GPG_BATCH" "1" True
 	Utility.Gpg.testTestHarness @? "test harness self-test failed"
 	Utility.Gpg.testHarness $ do
 		createDirectory "dir"
@@ -947,20 +947,20 @@ prepare = do
 	-- and so does git_annex_output. Make sure that the just-built
 	-- git annex is used.
 	cwd <- getCurrentDirectory
-	p <- getEnvDefault  "PATH" ""
-	setEnv "PATH" (cwd ++ ":" ++ p) True
-	setEnv "TOPDIR" cwd True
+	p <- Utility.Env.getEnvDefault  "PATH" ""
+	void $ Utility.Env.setEnv "PATH" (cwd ++ ":" ++ p) True
+	void $Utility.Env.setEnv "TOPDIR" cwd True
 	-- Avoid git complaining if it cannot determine the user's email
 	-- address, or exploding if it doesn't know the user's name.
-	setEnv "GIT_AUTHOR_EMAIL" "test@example.com" True
-	setEnv "GIT_AUTHOR_NAME" "git-annex test" True
-	setEnv "GIT_COMMITTER_EMAIL" "test@example.com" True
-	setEnv "GIT_COMMITTER_NAME" "git-annex test" True
+	void $ Utility.Env.setEnv "GIT_AUTHOR_EMAIL" "test@example.com" True
+	void $ Utility.Env.setEnv "GIT_AUTHOR_NAME" "git-annex test" True
+	void $ Utility.Env.setEnv "GIT_COMMITTER_EMAIL" "test@example.com" True
+	void $ Utility.Env.setEnv "GIT_COMMITTER_NAME" "git-annex test" True
 
 changeToTmpDir :: FilePath -> IO ()
 changeToTmpDir t = do
 	-- Hack alert. Threading state to here was too much bother.
-	topdir <- getEnvDefault "TOPDIR" ""
+	topdir <- Utility.Env.getEnvDefault "TOPDIR" ""
 	changeWorkingDirectory $ topdir ++ "/" ++ t
 
 tmpdir :: String

Utility/Daemon.hs

@@ -14,8 +14,9 @@ import Utility.LogFile
 
 #ifndef __WINDOWS__
 import System.Posix
-#endif
+#else
 import System.Posix.Types
+#endif
 
 {- Run an action as a daemon, with all output sent to a file descriptor.
  -

Utility/Env.hs

@@ -10,28 +10,35 @@
 module Utility.Env where
 
 #ifdef __WINDOWS__
-import qualified System.Environment as E
 import Utility.Exception
+import qualified System.Environment as E
 #else
-import qualified System.Posix.Env as E
+import qualified System.Posix.Env as PE
 #endif
 
 {- Posix getEnv is faster than the one in System.Environment,
  - so use when available. -}
 getEnv :: String -> IO (Maybe String)
 #ifndef __WINDOWS__
-getEnv = E.getEnv
+getEnv = PE.getEnv
 #else
 getEnv = catchMaybeIO . E.getEnv
 #endif
 
 getEnvDefault :: String -> String -> IO String
 #ifndef __WINDOWS__
-getEnvDefault = E.getEnvDefault
+getEnvDefault = PE.getEnvDefault
 #else
 getEnvDefault var fallback = fromMaybe fallback <$> getEnv var
 #endif
 
+getEnvironment :: IO [(String, String)]
+#ifndef __WINDOWS__
+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,
@@ -39,8 +46,18 @@ getEnvDefault var fallback = fromMaybe fallback <$> getEnv var
 setEnv :: String -> String -> Bool -> IO Bool
 #ifndef __WINDOWS__
 setEnv var val overwrite = do
-	E.setEnv var val overwrite
+	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 __WINDOWS__
+unsetEnv var = do
+	PE.unsetEnv var
+	return True
+#else
+unsetEnv _ _ _ = return False
+#endif

Utility/FileMode.hs

@@ -12,9 +12,10 @@ module Utility.FileMode where
 import Common
 
 import Control.Exception (bracket)
-import Utility.Exception
 import System.PosixCompat.Types
-import System.PosixCompat.Files
+#ifndef __WINDOWS__
+import System.Posix.Files
+#endif
 import Foreign (complement)
 
 {- Applies a conversion function to a file's mode. -}

Utility/Gpg.hs

@@ -13,11 +13,9 @@ import System.Posix.Types
 import Control.Applicative
 import Control.Concurrent
 import Control.Exception (bracket)
-#ifndef mingw32_HOST_OS
-import System.Posix.Env (setEnv, unsetEnv, getEnv)	
-#endif
 
 import Common
+import Utility.Env
 
 newtype KeyIds = KeyIds [String]
 	deriving (Ord, Eq)
@@ -229,7 +227,7 @@ testHarness a = do
 	setup = do
 		base <- getTemporaryDirectory
 		dir <- mktmpdir $ base </> "gpgtmpXXXXXX"
-		setEnv var dir True
+		void $ setEnv var dir True
 		_ <- pipeStrict [Params "--import -q"] $ unlines
 			[testSecretKey, testKey]
 		return dir

Utility/InodeCache.hs

@@ -9,7 +9,6 @@ module Utility.InodeCache where
 
 import Common
 import System.PosixCompat.Types
-import System.PosixCompat.Files
 import Utility.QuickCheck
 
 data InodeCachePrim = InodeCachePrim FileID FileOffset EpochTime

Utility/LogFile.hs

@@ -12,7 +12,6 @@ module Utility.LogFile where
 import Common
 
 import System.Posix.Types
-import System.PosixCompat.Files
 
 openLog :: FilePath -> IO Fd
 #ifndef __WINDOWS__

Utility/Lsof.hs

@@ -11,9 +11,9 @@ module Utility.Lsof where
 
 import Common
 import Build.SysConfig as SysConfig
+import Utility.Env
 
 import System.Posix.Types
-import System.Posix.Env
 
 data LsofOpenMode = OpenReadWrite | OpenReadOnly | OpenWriteOnly | OpenUnknown
 	deriving (Show, Eq)
@@ -32,7 +32,7 @@ setupLsof = do
 	when (isAbsolute cmd) $ do
 		path <- getSearchPath
 		let path' = takeDirectory cmd : path
-		setEnv "PATH" (intercalate [searchPathSeparator] path') True
+		void $ setEnv "PATH" (intercalate [searchPathSeparator] path') True
 
 {- Checks each of the files in a directory to find open files.
  - Note that this will find hard links to files elsewhere that are open. -}

Utility/Url.hs

@@ -20,7 +20,6 @@ import Network.URI
 import qualified Network.Browser as Browser
 import Network.HTTP
 import Data.Either
-import System.PosixCompat.Files
 
 import qualified Build.SysConfig
 

Utility/UserInfo.hs

@@ -14,7 +14,6 @@ module Utility.UserInfo (
 ) where
 
 import Control.Applicative
-import System.Posix.Types
 import System.PosixCompat
 
 import Utility.Env