From 614a477b079412d05762808b7ab0d014cf05e80f Mon Sep 17 00:00:00 2001
From: Dave Borowitz <dborowitz@google.com>
Date: Mon, 5 May 2014 12:42:23 -0700
Subject: [PATCH] RevWalkTextBuiltin: Add -n to limit number of commits
 returned

Implementing the -<#> flag from C git is less trivial.

Change-Id: Idb55a303304a6d4055aaf37d0b4dcf92c684e25f
---
 .../src/org/eclipse/jgit/pgm/RevWalkTextBuiltin.java        | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevWalkTextBuiltin.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevWalkTextBuiltin.java
index e23fb356a..94156aa7e 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevWalkTextBuiltin.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevWalkTextBuiltin.java
@@ -146,6 +146,9 @@ abstract class RevWalkTextBuiltin extends TextBuiltin {
 		revLimiter.add(MessageRevFilter.create(msg));
 	}
 
+	@Option(name = "--max-count", aliases = "-n", metaVar = "metaVar_n")
+	private int maxCount = -1;
+
 	@Override
 	protected void run() throws Exception {
 		walk = createWalk();
@@ -218,7 +221,8 @@ abstract class RevWalkTextBuiltin extends TextBuiltin {
 	protected int walkLoop() throws Exception {
 		int n = 0;
 		for (final RevCommit c : walk) {
-			n++;
+			if (++n > maxCount && maxCount >= 0)
+				break;
 			show(c);
 		}
 		if (walk instanceof ObjectWalk) {