Merge pull request #417 from rajkumarGosavi/version-regex-fix

Handle missing patch version by making it optional in regex matching.

main.go

@@ -254,7 +254,7 @@ func serverInfo(paClient *pulseaudio.Client) (audioserverinfo, error) {
 	} else {
 		servername = "PulseAudio"
 		servertype = servertype_pulse
-		versionRegex = regexp.MustCompile(`.*?(\d+)\.(\d+)\.(\d+).*?`)
+		versionRegex = regexp.MustCompile(`.*?(\d+)\.(\d+)\.?(\d+)?.*?`)
 		versionString = info.PackageVersion
 		log.Printf("Detected PulseAudio\n")
 	}
@@ -264,6 +264,11 @@ func serverInfo(paClient *pulseaudio.Client) (audioserverinfo, error) {
 		log.Printf("couldn't parse server version, regexp didn't match version: %s\n", versionString)
 		return audioserverinfo{servertype: servertype}, nil
 	}
+	// the server version did not match the standard `major.minor.patch` pattern
+	// setting the patch version to default 0
+	if res[3] == "" {
+		res[3] = "0"
+	}
 	major, err = strconv.Atoi(res[1])
 	if err != nil {
 		return audioserverinfo{servertype: servertype}, err
@@ -330,7 +335,7 @@ func getDefaultSinkID(client *pulseaudio.Client) (string, error) {
 	return server.DefaultSink, nil
 }
 
-//this is disgusting
+// this is disgusting
 func fixWindowClass() {
 	xu, err := xgbutil.NewConn()
 	defer xu.Conn().Close()