Improve message logging in the receive pack

Change-Id: I93dcdc72bfae0e0fac9a0f4872537a43bbd73d36
diff --git a/src/main/java/com/gitblit/git/GitblitReceivePack.java b/src/main/java/com/gitblit/git/GitblitReceivePack.java
index 090e541..e6ff572 100644
--- a/src/main/java/com/gitblit/git/GitblitReceivePack.java
+++ b/src/main/java/com/gitblit/git/GitblitReceivePack.java
@@ -389,14 +389,22 @@
 		LOGGER.error(text + " (" + user.username + ")");

 	}

 

+	protected void sendHeader(String msg, Object... objects) {

+		sendMessage("--->", msg, objects);

+	}

+

 	protected void sendMessage(String msg, Object... objects) {

+		sendMessage("    ", msg, objects);

+	}

+

+	protected void sendMessage(String prefix, String msg, Object... objects) {

 		String text;

 		if (ArrayUtils.isEmpty(objects)) {

 			text = msg;

-			super.sendMessage(msg);

+			super.sendMessage(prefix + msg);

 		} else {

 			text = MessageFormat.format(msg, objects);

-			super.sendMessage(text);

+			super.sendMessage(prefix + text);

 		}

 		LOGGER.info(text + " (" + user.username + ")");

 	}

@@ -421,7 +429,7 @@
 	 * @param commands

 	 * @param scripts

 	 */

-	protected void runGroovy(Collection<ReceiveCommand> commands, Set<String> scripts) {

+	private void runGroovy(Collection<ReceiveCommand> commands, Set<String> scripts) {

 		if (scripts == null || scripts.size() == 0) {

 			// no Groovy scripts to execute

 			return;