From 6bee5a3331cf7fadab2aa30b6fbe43dd9ef7be24 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <pngwjpgh@users.noreply.github.com>
Date: Sun, 2 Oct 2016 16:52:58 +0200
Subject: options!

---
 custom/notify-user.nix | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/custom/notify-user.nix b/custom/notify-user.nix
index 17123e47..c2ad3472 100644
--- a/custom/notify-user.nix
+++ b/custom/notify-user.nix
@@ -15,13 +15,20 @@ stdenv.mkDerivation {
     import System.Exit (exitWith, ExitCode(..))
 
     import Data.List (isPrefixOf, dropWhile, dropWhileEnd, init)
-    import Data.Char (isSpace)
+    import Data.Char (isSpace, toLower, toUpper)
 
     import Control.Monad (forM_, void)
 
     import qualified Libnotify as Notify
     import Data.Monoid
 
+    import System.Console.GetOpt.Simple
+
+    import qualified Data.Map as Map
+
+    import Data.Maybe
+    import Text.Read (readMaybe)
+
     main = do
       envFiles <- glob "/home/${user}/.dbus/session-bus/*"
       forM_ envFiles $ \envFile -> do
@@ -29,18 +36,28 @@ stdenv.mkDerivation {
         setEnv "DBUS_SESSION_BUS_ADDRESS" sessionAddr
         lines <- lines <$> getContents
         case lines of
-          ((trim -> app):(trim -> summary):(trim . unlines -> contents)) -> do
-            Notify.display_ $ Notify.appName app <> Notify.summary summary <> Notify.body contents
+          ((trim -> summary):(trim . unlines -> contents)) -> do
+            (opts, _) <- flip getUsingConf [] [ (arg, "urgency", Optional, "")
+                                              , (arg, "app-name", Optional, "")
+                                              , (arg, "category", Optional, "")
+                                              ]
+            let
+              urgency = fromMaybe Notify.Normal $ readMaybe . caseForRead =<< Map.lookup "urgency" opts
+              appName = fromMaybe "notify-${user}" $ Map.lookup "app-name" opts
+              category = fromMaybe "" $ Map.lookup "category" opts
+            Notify.display_ $ Notify.summary summary <> Notify.body contents <> Notify.appName appName <> Notify.urgency urgency <> Notify.category category
           _ -> exitWith $ ExitFailure 2
       where
         trim = dropWhileEnd isSpace . dropWhile isSpace
         unQuote ('\''':xs) = init xs
         unQuote ('"':xs) = init xs
         unQuote xs = xs
+        caseForRead [] = []
+        caseForRead (x:xs) = toUpper x : map toLower xs
   ''; };
   phases = [ "buildPhase" "installPhase" ];
   buildPhase = ''
-    ${ghcWithPackages (p: with p; [ Glob process libnotify ])}/bin/ghc -odir . -hidir . $src -o notify-${user}
+    ${ghcWithPackages (p: with p; [ Glob process libnotify getopt-simple containers ])}/bin/ghc -odir . -hidir . $src -o notify-${user}
   '';
   installPhase = ''
     mkdir -p $out/bin
-- 
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