better notify-gkleen

1 files changed, 29 insertions, 0 deletions

diff --git a/custom/notify-user.nix b/custom/notify-user.nix
new file mode 100644
index 00000000..f7fbc7c0
--- /dev/null
+++ b/custom/notify-user.nix
@@ -0,0 +1,29 @@
+{ stdenv, writeTextFile
+, ghcWithPackages
+, user ? "gkleen"
+, libnotify
+}:
+
+stdenv.mkDerivation {
+  name = ''notify-${user}'';
+  src = writeTextFile { name = ''notify-${user}.hs''; text = ''
+    import Control.Shell
+    import System.FilePath.Glob (glob)
+
+    import Data.List (isPrefixOf)
+
+    main = shell_ $ do
+      (envFile:_) <- liftIO $ glob "/home/${user}/.dbus/session-bus/*-0"
+      sessionAddr <- snd . break (== '=') . head . filter ("DBUS_SESSION_BUS_ADDRESS=" `isPrefixOf`) . lines <$> input envFile 
+      env <- getShellEnv
+      withEnv "DBUS_SESSION_BUS_ADDRESS" sessionAddr $ run "${libnotify}/bin/notify-send" cmdline
+  ''; };
+  phases = [ "buildPhase" "installPhase" ];
+  buildPhase = ''
+    ${ghcWithPackages (p: with p; [ shellmate Glob ])}/bin/ghc -odir . -hidir . $src -o notify-${user}
+  '';
+  installPhase = ''
+    mkdir -p $out/bin
+    cp notify-${user} $out/bin
+  '';
+}