Added --help option with output

src/main.cpp

@@ -20,6 +20,8 @@ int main(int argc, char **argv)
 
     Mirall::Application app(argc, argv);
 
-    return app.exec();
+    if( ! app.giveHelp() )
+        return app.exec();
+
 }
 

src/mirall/application.cpp

@@ -13,6 +13,7 @@
  */
 
 #define LOG_TO_CALLBACK // FIXME: This should be in csync.
+#include <iostream>
 
 #include "mirall/application.h"
 #include "mirall/folder.h"
@@ -70,7 +71,8 @@ Application::Application(int &argc, char **argv) :
 #endif
     _contextMenu(0),
     _ocInfo(0),
-    _updateDetector(0)
+    _updateDetector(0),
+    _helpOnly(false)
 {
 
 #ifdef OWNCLOUD_CLIENT
@@ -81,9 +83,11 @@ Application::Application(int &argc, char **argv) :
     setApplicationName( _theme->appName() );
     setWindowIcon( _theme->applicationIcon() );
 
-    processEvents();
-
+    if( arguments().contains("--help")) {
+        showHelp();
+    }
     setupLogBrowser();
+    processEvents();
 
     QTranslator *qtTranslator = new QTranslator;
     qtTranslator->load("qt_" + QLocale::system().name(),
@@ -717,5 +721,23 @@ void Application::computeOverallSyncStatus()
     _tray->setToolTip(trayMessage);
 }
 
+void Application::showHelp()
+{
+    std::cout << _theme->appName().toLatin1().constData() << " version " <<
+                 _theme->version().toLatin1().constData() << std::endl << std::endl;
+    std::cout << "File synchronisation desktop utility." << std::endl << std::endl;
+    std::cout << "Options:" << std::endl;
+    std::cout << "  --logwindow          : open a window to show log output." << std::endl;
+    std::cout << "  --logfile <filename> : write log output to file <filename>." << std::endl;
+    std::cout << "  --flushlog           : flush the log file after every write." << std::endl;
+    std::cout << std::endl;
+    std::cout << "For more information, see http://www.owncloud.org" << std::endl;
+    _helpOnly = true;
+}
+
+bool Application::giveHelp()
+{
+    return _helpOnly;
+}
 } // namespace Mirall
 

src/mirall/application.h

@@ -46,6 +46,9 @@ class Application : public QApplication
 public:
     explicit Application(int &argc, char **argv);
     ~Application();
+
+    bool giveHelp();
+
 signals:
 
 protected slots:
@@ -81,6 +84,8 @@ protected slots:
     void slotStartUpdateDetector();
 
 private:
+    void showHelp();
+
     // configuration file -> folder
     QSystemTrayIcon *_tray;
     QAction *_actionQuit;
@@ -107,6 +112,7 @@ private:
     UpdateDetector *_updateDetector;
     QMap<Folder*, QString> _overallStatusStrings;
     LogBrowser *_logBrowser;
+    bool        _helpOnly;
 };
 
 } // namespace Mirall

src/mirall/updatedetector.cpp

@@ -48,6 +48,7 @@ void UpdateDetector::versionCheck( Theme *theme )
 #ifdef Q_OS_MAC
     platform = QLatin1String( "macos" );
 #endif
+    qDebug() << "00 client update check to " << url.toString();
 
     QString sysInfo = getSystemInfo();
     if( !sysInfo.isEmpty() ) {
@@ -56,8 +57,6 @@ void UpdateDetector::versionCheck( Theme *theme )
     url.addQueryItem( "version", ver );
     url.addQueryItem( "platform", platform );
 
-    qDebug() << "00 client update check to " << url.toString();
-
     _accessManager->get( QNetworkRequest( url ));
 }