feat: add the D-Bus service and the daemon

Notify assigns an id and publishes; a replaces_id or stack tag reuses the id.
CloseNotification closes with reason 3. The daemon claims
org.freedesktop.Notifications and exits non-zero if it cannot, which is what
happens while dunst still holds it.

1 files changed, 39 insertions, 0 deletions

diff --git a/cmd/notifyd/main.go b/cmd/notifyd/main.go
new file mode 100644
index 0000000..f6d2b12
--- /dev/null
+++ b/cmd/notifyd/main.go
@@ -0,0 +1,39 @@
+// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+package main
+
+import (
+	"log"
+
+	"danix.xyz/notifyd/internal/notify"
+	"github.com/godbus/dbus/v5"
+)
+
+func main() {
+	conn, err := dbus.SessionBus()
+	if err != nil {
+		log.Fatalf("notifyd: session bus: %v", err)
+	}
+	reply, err := conn.RequestName(notify.Name, dbus.NameFlagDoNotQueue)
+	if err != nil {
+		log.Fatalf("notifyd: request %s: %v", notify.Name, err)
+	}
+	if reply != dbus.RequestNameReplyPrimaryOwner {
+		log.Fatalf("notifyd: %s is already owned (is dunst running?)", notify.Name)
+	}
+	svc := notify.NewService(conn, notify.RuntimeDir())
+	if err := svc.Start(); err != nil {
+		log.Fatalf("notifyd: %v", err)
+	}
+	log.Printf("notifyd: listening on %s", notify.Name)
+	select {}
+}