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45 lines
2 KiB
Diff
45 lines
2 KiB
Diff
--- xmonad-0.11/XMonad/Core.hs 2013-01-01 01:31:47.000000000 +0000
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+++ new-xmonad/XMonad/Core.hs 2013-12-23 17:36:40.862146910 +0000
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@@ -47,6 +47,7 @@
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import System.Process
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import System.Directory
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import System.Exit
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+import System.Environment (lookupEnv)
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import Graphics.X11.Xlib
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import Graphics.X11.Xlib.Extras (Event)
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import Data.Typeable
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@@ -452,6 +453,7 @@
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err = base ++ ".errors"
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src = base ++ ".hs"
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lib = dir </> "lib"
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+ ghc <- fromMaybe "ghc" <$> liftIO (lookupEnv "NIX_GHC")
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libTs <- mapM getModTime . Prelude.filter isSource =<< allFiles lib
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srcT <- getModTime src
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binT <- getModTime bin
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@@ -460,7 +462,7 @@
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-- temporarily disable SIGCHLD ignoring:
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uninstallSignalHandlers
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status <- bracket (openFile err WriteMode) hClose $ \h ->
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- waitForProcess =<< runProcess "ghc" ["--make", "xmonad.hs", "-i", "-ilib", "-fforce-recomp", "-v0", "-o",binn] (Just dir)
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+ waitForProcess =<< runProcess ghc ["--make", "xmonad.hs", "-i", "-ilib", "-fforce-recomp", "-v0", "-o",binn] (Just dir)
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Nothing Nothing Nothing (Just h)
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-- re-enable SIGCHLD:
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@@ -469,6 +471,7 @@
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-- now, if it fails, run xmessage to let the user know:
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when (status /= ExitSuccess) $ do
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ghcErr <- readFile err
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+ xmessage <- fromMaybe "xmessage" <$> liftIO (lookupEnv "XMONAD_XMESSAGE")
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let msg = unlines $
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["Error detected while loading xmonad configuration file: " ++ src]
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++ lines (if null ghcErr then show status else ghcErr)
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@@ -476,7 +479,7 @@
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-- nb, the ordering of printing, then forking, is crucial due to
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-- lazy evaluation
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hPutStrLn stderr msg
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- forkProcess $ executeFile "xmessage" True ["-default", "okay", msg] Nothing
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+ forkProcess $ executeFile xmessage True ["-default", "okay", msg] Nothing
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return ()
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return (status == ExitSuccess)
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else return True
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