Mac: use updater as launcher

- Ensure ~/Applications exists before creating the link.
- Put the Unvanquished icon in the app bundle, so that it will be shown
  when viewing the link in the Launchpad menu.
- Have the link go to updater2.app instead of Unvanquished.app.

Author: slipher

osx.cpp

@@ -50,9 +50,19 @@ bool validateInstallPath(const QString&)
 
 bool install()
 {
+    QDir applications(QDir::homePath() + "/Applications");
+    if (!applications.exists()) {
+        if (!applications.mkpath(".")) {
+            qDebug() << "can't create ~/Applications";
+            return false;
+        }
+    }
     Settings settings;
-    QFile::link(settings.installPath() + "/Unvanquished.app",
-	            QDir::homePath() + "/Applications/Unvanquished.app");
+    if (!QFile::link(settings.installPath() + QDir::separator() + "updater.app",
+                     applications.absoluteFilePath("Unvanquished.app"))) {
+        qDebug() << "failed to create Applications link";
+        return false;
+    }
     return true;
 }
 

updater2.pro

@@ -44,6 +44,10 @@ unix:LIBS += -lz "-L$$PWD/aria2/src/.libs" -laria2
 
 win32:RC_FILE = updater.rc
 
+# Plain Unvanquished icon, used for the app bundle and hence the Launchpad shortcut.
+# When the updater is running, the one with arrows is displayed as its icon.
+mac: ICON = resources/Unvanquished.icns
+
 # Additional import path used to resolve QML modules in Qt Creator's code model
 QML_IMPORT_PATH += fluid/src/imports/controls/qmldir