[Junie]: fix: display help output for --help argument

jabgui/src/main/java/org/jabref/Launcher.java

@@ -55,29 +55,32 @@ public static void main(String[] args) {
         Injector.setModelOrService(BuildInfo.class, new BuildInfo());
 
         final JabRefGuiPreferences preferences = JabRefGuiPreferences.getInstance();
-        Injector.setModelOrService(CliPreferences.class, preferences);
-        Injector.setModelOrService(GuiPreferences.class, preferences);
-
-        // Early exit in case another instance is already running
-        MultipleInstanceAction instanceAction = handleMultipleAppInstances(args, preferences.getRemotePreferences());
-        if (instanceAction == MultipleInstanceAction.SHUTDOWN) {
-            systemExit();
-        } else if (instanceAction == MultipleInstanceAction.FOCUS) {
-            // Send focus command to running instance
-            RemotePreferences remotePreferences = preferences.getRemotePreferences();
-            RemoteClient remoteClient = new RemoteClient(remotePreferences.getPort());
-            remoteClient.sendFocus();
-            systemExit();
-        }
-
-        configureProxy(preferences.getProxyPreferences());
-        configureSSL(preferences.getSSLPreferences());
 
         ArgumentProcessor argumentProcessor = new ArgumentProcessor(
                 args,
                 ArgumentProcessor.Mode.INITIAL_START,
                 preferences);
 
+        if (!argumentProcessor.getGuiCli().usageHelpRequested) {
+            Injector.setModelOrService(CliPreferences.class, preferences);
+            Injector.setModelOrService(GuiPreferences.class, preferences);
+
+            // Early exit in case another instance is already running
+            MultipleInstanceAction instanceAction = handleMultipleAppInstances(args, preferences.getRemotePreferences());
+            if (instanceAction == MultipleInstanceAction.SHUTDOWN) {
+                systemExit();
+            } else if (instanceAction == MultipleInstanceAction.FOCUS) {
+                // Send focus command to running instance
+                RemotePreferences remotePreferences = preferences.getRemotePreferences();
+                RemoteClient remoteClient = new RemoteClient(remotePreferences.getPort());
+                remoteClient.sendFocus();
+                systemExit();
+            }
+
+            configureProxy(preferences.getProxyPreferences());
+            configureSSL(preferences.getSSLPreferences());
+        }
+
         List<UiCommand> uiCommands = argumentProcessor.processArguments();
         if (argumentProcessor.shouldShutDown()) {
             systemExit();
@@ -146,6 +149,7 @@ private static void systemExit() {
      */
     private static MultipleInstanceAction handleMultipleAppInstances(String[] args, RemotePreferences remotePreferences) {
         LOGGER.trace("Checking for remote handling...");
+
         if (remotePreferences.useRemoteServer()) {
             // Try to contact already running JabRef
             RemoteClient remoteClient = new RemoteClient(remotePreferences.getPort());

jabgui/src/main/java/org/jabref/cli/ArgumentProcessor.java

@@ -102,4 +102,8 @@ private void resetPreferences() {
     public boolean shouldShutDown() {
         return !guiNeeded;
     }
+
+    public GuiCommandLine getGuiCli() {
+        return guiCli;
+    }
 }