Allow user to disable checksum verification on plugin registry refresh

src/main/java/com/gitblit/manager/GitblitManager.java

@@ -1250,8 +1250,8 @@ public class GitblitManager implements IGitblit {
 	}
 
 	@Override
-	public boolean refreshRegistry() {
-		return pluginManager.refreshRegistry();
+	public boolean refreshRegistry(boolean verifyChecksum) {
+		return pluginManager.refreshRegistry(verifyChecksum);
 	}
 
 	@Override

src/main/java/com/gitblit/manager/IPluginManager.java

@@ -118,8 +118,10 @@ public interface IPluginManager extends IManager {
 
     /**
      * Refresh the plugin registry.
+     *
+     * @param verifyChecksum
      */
-    boolean refreshRegistry();
+    boolean refreshRegistry(boolean verifyChecksum);
 
     /**
      * Install the plugin from the specified url.

src/main/java/com/gitblit/transport/ssh/commands/PluginDispatcher.java

@@ -410,10 +410,14 @@ public class PluginDispatcher extends DispatchCommand {
 
 	@CommandMetaData(name = "refresh", description = "Refresh the plugin registry data")
 	public static class RefreshPlugins extends SshCommand {
+
+		@Option(name = "--noverify", usage = "Disable checksum verification")
+		private boolean disableChecksum;
+
 		@Override
 		public void run() throws Failure {
 			IGitblit gitblit = getContext().getGitblit();
-			gitblit.refreshRegistry();
+			gitblit.refreshRegistry(!disableChecksum);
 		}
 	}
 
@@ -426,11 +430,14 @@ public class PluginDispatcher extends DispatchCommand {
 		@Option(name = "--updates", aliases = { "-u" }, usage = "show available updates")
 		protected boolean updates;
 
+		@Option(name = "--noverify", usage = "Disable checksum verification")
+		private boolean disableChecksum;
+
 		@Override
 		protected List<PluginRegistration> getItems() throws UnloggedFailure {
 			IGitblit gitblit = getContext().getGitblit();
 			if (refresh) {
-				gitblit.refreshRegistry();
+				gitblit.refreshRegistry(!disableChecksum);
 			}
 
 			List<PluginRegistration> list;