fix: About version label and disable stale QML disk cache (1.0.5 pkgrel 7)

Replace QString.arg() with string concatenation in AboutDialog. Disable QML
disk cache so flatpak updates do not keep old compiled QML after qrc changes.
Move setApplicationVersion after QApplication construction.

PKGBUILD

@@ -1,7 +1,7 @@
 # Maintainer: Sebastian Palencsar <moin@nerdbear.de>
 pkgname=bearwave-git
 pkgver=1.0.5
-pkgrel=5
+pkgrel=7
 pkgdesc="KDE-focused desktop internet radio app"
 arch=('x86_64')
 url="https://github.com/spalencsar/bearwave"

src/main.cpp

@@ -22,13 +22,13 @@
 
 int main(int argc, char *argv[])
 {
+    QApplication app(argc, argv);
+
     QApplication::setApplicationName(QStringLiteral("BearWave"));
     QApplication::setDesktopFileName(QStringLiteral("de.nerdbear.bearwave"));
     QApplication::setOrganizationName(QStringLiteral("BearWave"));
     QApplication::setApplicationVersion(QStringLiteral(BEARWAVE_VERSION));
 
-    QApplication app(argc, argv);
-
     QDBusConnection sessionBus = QDBusConnection::sessionBus();
     if (sessionBus.isConnected() && sessionBus.interface() && sessionBus.interface()->isServiceRegistered(QStringLiteral("org.mpris.MediaPlayer2.bearwave"))) {
         QDBusMessage call = QDBusMessage::createMethodCall(
@@ -49,6 +49,9 @@ int main(int argc, char *argv[])
         app.installTranslator(&appTranslator);
     }
 
+    // QML disk cache can retain stale bytecode across app updates (same qrc paths).
+    qputenv("QML_DISABLE_DISK_CACHE", "1");
+
     QQmlApplicationEngine engine;
     engine.addImportPath(QStringLiteral("qrc:/qml"));
 

src/qml/components/AboutDialog.qml

@@ -14,6 +14,16 @@ Dialog {
     property string appVersion: Qt.application.version
     property string buildId: "?"
 
+    readonly property string versionLine: {
+        var version = root.appVersion
+        if (version === undefined || version === null || version === "")
+            version = Qt.application.version
+        var build = root.buildId
+        if (build === undefined || build === null || build === "")
+            build = "?"
+        return qsTr("Version") + " " + String(version) + " · " + qsTr("build") + " " + String(build)
+    }
+
     modal: true
     anchors.centerIn: parent
     width: compactMode ? 360 : 520
@@ -55,7 +65,7 @@ Dialog {
 
             Label {
                 Layout.alignment: Qt.AlignHCenter
-                text: qsTr("Version %1 · build %2").arg(root.appVersion).arg(root.buildId)
+                text: root.versionLine
                 color: BearTheme.textMuted
                 font.pixelSize: 12
             }