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nixpkgs/pkgs/development/haskell-modules/patches/xmonad-nix.patch
2017-02-14 16:51:55 -08:00

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diff --git a/src/XMonad/Core.hs b/src/XMonad/Core.hs
index 138d735..65b5a84 100644
--- a/src/XMonad/Core.hs
+++ b/src/XMonad/Core.hs
@@ -51,6 +51,7 @@ import System.Posix.Types (ProcessID)
import System.Process
import System.Directory
import System.Exit
+import System.Environment (lookupEnv)
import Graphics.X11.Xlib
import Graphics.X11.Xlib.Extras (getWindowAttributes, WindowAttributes, Event)
import Data.Typeable
@@ -571,6 +572,7 @@ recompile force = io $ do
lib = cfgdir </> "lib"
buildscript = cfgdir </> "build"
+ ghc <- fromMaybe "ghc" <$> liftIO (lookupEnv "NIX_GHC")
libTs <- mapM getModTime . Prelude.filter isSource =<< allFiles lib
srcT <- getModTime src
binT <- getModTime bin
@@ -586,7 +588,7 @@ recompile force = io $ do
status <- bracket (openFile err WriteMode) hClose $ \errHandle ->
waitForProcess =<< if useBuildscript
then compileScript bin cfgdir buildscript errHandle
- else compileGHC bin cfgdir errHandle
+ else compileGHC ghc bin cfgdir errHandle
-- re-enable SIGCHLD:
installSignalHandlers
@@ -594,6 +596,7 @@ recompile force = io $ do
-- now, if it fails, run xmessage to let the user know:
when (status /= ExitSuccess) $ do
ghcErr <- readFile err
+ xmessage <- fromMaybe "xmessage" <$> liftIO (lookupEnv "XMONAD_XMESSAGE")
let msg = unlines $
["Error detected while loading xmonad configuration file: " ++ src]
++ lines (if null ghcErr then show status else ghcErr)
@@ -601,7 +604,7 @@ recompile force = io $ do
-- nb, the ordering of printing, then forking, is crucial due to
-- lazy evaluation
hPutStrLn stderr msg
- forkProcess $ executeFile "xmessage" True ["-default", "okay", replaceUnicode msg] Nothing
+ forkProcess $ executeFile xmessage True ["-default", "okay", replaceUnicode msg] Nothing
return ()
return (status == ExitSuccess)
else return True
@@ -619,16 +622,16 @@ recompile force = io $ do
'\8216' -> '`' --
'\8217' -> '`' --
_ -> c
- compileGHC bin dir errHandle =
- runProcess "ghc" ["--make"
- , "xmonad.hs"
- , "-i"
- , "-ilib"
- , "-fforce-recomp"
- , "-main-is", "main"
- , "-v0"
- , "-o", bin
- ] (Just dir) Nothing Nothing Nothing (Just errHandle)
+ compileGHC ghc bin dir errHandle =
+ runProcess ghc ["--make"
+ , "xmonad.hs"
+ , "-i"
+ , "-ilib"
+ , "-fforce-recomp"
+ , "-main-is", "main"
+ , "-v0"
+ , "-o", bin
+ ] (Just dir) Nothing Nothing Nothing (Just errHandle)
compileScript bin dir script errHandle =
runProcess script [bin] (Just dir) Nothing Nothing Nothing (Just errHandle)