From ed8801ddec7a2a046231b34e1f84ad39fb26af48 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <pngwjpgh@users.noreply.github.com>
Date: Thu, 21 Jul 2016 22:01:28 +0200
Subject: custom escaping

---
 custom/notify-user.nix | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/custom/notify-user.nix b/custom/notify-user.nix
index d3e69bcd..808d1615 100644
--- a/custom/notify-user.nix
+++ b/custom/notify-user.nix
@@ -10,24 +10,25 @@ stdenv.mkDerivation {
     import System.FilePath.Glob (glob)
     import System.Environment (setEnv, getArgs)
     import System.Process (callProcess)
-    import System.Posix.Escape (escape)
 
     import Data.List (isPrefixOf, dropWhileEnd)
     import Data.Char (isSpace)
 
     import Control.Monad (forM_)
-    
+
     main = do
       envFiles <- glob "/home/${user}/.dbus/session-bus/*"
       forM_ envFiles $ \envFile -> do
         sessionAddr <- tail . snd . break (== '=') . head . filter ("DBUS_SESSION_BUS_ADDRESS=" `isPrefixOf`) . lines <$> readFile envFile
         setEnv "DBUS_SESSION_BUS_ADDRESS" sessionAddr
-        callProcess "${libnotify}/bin/notify-send" =<< (++) <$> getArgs <*> (pure . escape . dropWhileEnd isSpace <$> getContents)
-      
+        callProcess "${libnotify}/bin/notify-send" =<< (++) <$> getArgs <*> (pure . concatMap escape . dropWhileEnd isSpace <$> getContents)
+      where
+        escape '\\' = "\\\\"
+        escape x = pure x
   ''; };
   phases = [ "buildPhase" "installPhase" ];
   buildPhase = ''
-    ${ghcWithPackages (p: with p; [ Glob process posix-escape ])}/bin/ghc -odir . -hidir . $src -o notify-${user}
+    ${ghcWithPackages (p: with p; [ Glob process ])}/bin/ghc -odir . -hidir . $src -o notify-${user}
   '';
   installPhase = ''
     mkdir -p $out/bin
-- 
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