Init: Optionally skip plugin installation process

That change fixes acceptance test execution from eclipse.

Change-Id: I489578d06a670547ea42dbbe41e2057b490208cd

gerrit-pgm/src/main/java/com/google/gerrit/pgm/init/InitFlags.java

@@ -34,10 +34,14 @@ public class InitFlags {
   /** Run the daemon (and open the web UI in a browser) after initialization. */
   public boolean autoStart;
 
+  /** Skip plugins */
+  public boolean skipPlugins;
+
   public final FileBasedConfig cfg;
   public final FileBasedConfig sec;
   public final List<String> installPlugins;
 
+
   @Inject
   InitFlags(final SitePaths site,
       final @InstallPlugins List<String> installPlugins) throws IOException,

gerrit-pgm/src/main/java/com/google/gerrit/pgm/init/SitePathInitializer.java

@@ -75,6 +75,10 @@ public class SitePathInitializer {
     mkdir(site.data_dir);
 
     for (InitStep step : steps) {
+      if (step instanceof InitPlugins
+          && flags.skipPlugins) {
+        continue;
+      }
       step.run();
     }