ask before removing existing socket

automatically removes the socket after 5 seconds of no input so that its
functions headlessly.

main.go

@@ -64,21 +64,21 @@ func NewPlayer(conn *dbus.Conn, name string) (p *Player) {
 	for key, val := range knownPlayers {
 		if strings.Contains(name, key) {
 			playerName = val
-			if val == "Browser" {
+			break
+		}
+	}
+	if playerName == "Browser" {
 		file, err := ioutil.ReadFile(fmt.Sprintf("/proc/%d/cmdline", pid))
 		if err == nil {
 			cmd := string(file)
-					for k, v := range knownBrowsers {
-						if strings.Contains(cmd, k) {
-							playerName = v
+			for key, val := range knownBrowsers {
+				if strings.Contains(cmd, key) {
+					playerName = val
 					break
 				}
 			}
 		}
 	}
-			break
-		}
-	}
 	p = &Player{
 		player:   conn.Object(name, PATH),
 		conn:     conn,
@@ -382,10 +382,11 @@ func main() {
 			fmt.Println("Response:")
 			fmt.Printf(response)
 		}
-	} else {
+		os.Exit(0)
+	}
 	conn, err := dbus.SessionBus()
 	if err != nil {
-			panic(err)
+		log.Fatalln("Error connecting to DBus:", err)
 	}
 	players := &PlayerList{
 		conn: conn,
@@ -397,13 +398,34 @@ func main() {
 	lastLine := ""
 	// fmt.Println("New array", players)
 	// Start command listener
+	if _, err := os.Stat(SOCK); err == nil {
+		fmt.Printf("Socket %s already exists, this could mean waybar-mpris is already running.\nStarting this instance will overwrite the file, possibly stopping other instances from accepting commands.\n", SOCK)
+		var input string
+		ignoreChoice := false
+		fmt.Printf("Continue? [y/n]: ")
 		go func() {
+			fmt.Scanln(&input)
+			if strings.Contains(input, "y") && !ignoreChoice {
 				os.Remove(SOCK)
+			}
+		}()
+		time.Sleep(5 * time.Second)
+		if input == "" {
+			fmt.Printf("\nRemoving due to lack of input.\n")
+			ignoreChoice = true
+			os.Remove(SOCK)
+		}
+
+	}
+	go func() {
 		listener, err := net.Listen("unix", SOCK)
 		if err != nil {
 			log.Fatalln("Couldn't establish socket connection at", SOCK)
 		}
-			defer listener.Close()
+		defer func() {
+			listener.Close()
+			os.Remove(SOCK)
+		}()
 		for {
 			con, err := listener.Accept()
 			if err != nil {
@@ -510,5 +532,4 @@ func main() {
 			}
 		}
 	}
-	}
 }