Merge pull request #193 from myron0815/noUpdate

start GD w/o updating -> directly start app

launcher/src/main/java/com/threerings/getdown/launcher/Getdown.java

@@ -54,6 +54,7 @@ public abstract class Getdown extends Thread
             // launch, start the application after installing. Otherwise, just install and exit.
             _silent = SysProps.silent();
             if (_silent) {
+                _noUpdate = SysProps.noUpdate();
                 _launchInSilent = SysProps.launchInSilent();
             }
             // If we're running in a headless environment and have not otherwise customized
@@ -269,7 +270,7 @@ public abstract class Getdown extends Thread
                 // and force our UI to be recreated with the updated info
                 createInterfaceAsync(true);
             }
-            if (!_app.lockForUpdates()) {
+            if (!_noUpdate && !_app.lockForUpdates()) {
                 throw new MultipleGetdownRunning();
             }
 
@@ -306,6 +307,13 @@ public abstract class Getdown extends Thread
             _toInstallResources = new HashSet<>();
             _readyToInstall = false;
 
+            // directly start the app with the noupdate flag
+            if (_noUpdate) {
+                log.info("Launching without update!");
+                launch();
+                return;
+            }
+
             // setStep(Step.START);
             for (int ii = 0; ii < MAX_LOOPS; ii++) {
                 // make sure we have the desired version and that the metadata files are valid...
@@ -1041,6 +1049,7 @@ public abstract class Getdown extends Thread
 
     protected boolean _dead;
     protected boolean _silent;
+    protected boolean _noUpdate;
     protected boolean _launchInSilent;
     protected long _startup;