shutdown: add xmonad-0.17 compatibility1.3.0

1 files changed, 12 insertions, 2 deletions

diff --git a/XMonad/Stockholm/Shutdown.hs b/XMonad/Stockholm/Shutdown.hs
index 373214e..9d759db 100644
--- a/XMonad/Stockholm/Shutdown.hs
+++ b/XMonad/Stockholm/Shutdown.hs
@@ -9,14 +9,24 @@ module XMonad.Stockholm.Shutdown
 import Control.Concurrent (threadDelay)
 import Control.Monad (forever, when)
 import Data.Monoid (All(All))
+import System.Directory (getAppUserDataDirectory)
 import System.Exit (exitSuccess)
+import System.Environment (lookupEnv)
 import System.FilePath ((</>))
 import System.IO.Error (isDoesNotExistError, tryIOError)
 import System.IO (hPutStrLn, stderr)
 import System.Posix.Process (getProcessID)
 import System.Posix.Signals (nullSignal, signalProcess)
 import System.Posix.Types (ProcessID)
-import XMonad
+import XMonad hiding (getXMonadDataDir)
+
+
+-- XXX this is shim so xmonad-stockholm can be used for both xmonad-0.15 and
+-- xmonad-0.17 based configurations.  This will break on xmonad>=0.17 if
+-- non-default directories are used.
+getXMonadDataDir :: IO String
+getXMonadDataDir =
+    maybe (getAppUserDataDirectory "xmonad") pure =<< lookupEnv "XMONAD_DATA_DIR"
 
 newShutdownEventHandler :: IO (Event -> X All)
 newShutdownEventHandler = do
@@ -65,7 +75,7 @@ waitProcess pid = forever (signalProcess nullSignal pid >> threadDelay 10000)
 -- PID file stuff
 --
 
-getProcessIDFileName :: (Functor m, MonadIO m) => m FilePath
+getProcessIDFileName :: IO FilePath
 getProcessIDFileName = (</> "xmonad.pid") <$> getXMonadDataDir
 
 writeProcessIDToFile :: IO ()