From 3d15298011b769ef9797ba7a71ccb8fa538810e1 Mon Sep 17 00:00:00 2001
From: Kevin Sawicki <kevin@github.com>
Date: Tue, 3 Jan 2012 16:48:01 -0800
Subject: [PATCH] Add helper for determining if status is clean

This checks if all collections that Status exposes are
empty or not

Change-Id: I0c342ab70dc36c1fd70acb4f8a924bb207d62f47
---
 .../src/org/eclipse/jgit/api/Status.java      | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/Status.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/Status.java
index e1491da37..8ebd279aa 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/Status.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/Status.java
@@ -60,7 +60,9 @@ import org.eclipse.jgit.lib.IndexDiff;
  * {@link #getChanged()}
  */
 public class Status {
-	private IndexDiff diff;
+	private final IndexDiff diff;
+
+	private final boolean clean;
 
 	/**
 	 * @param diff
@@ -68,6 +70,21 @@ public class Status {
 	public Status(IndexDiff diff) {
 		super();
 		this.diff = diff;
+		clean = diff.getAdded().isEmpty() //
+				&& diff.getChanged().isEmpty() //
+				&& diff.getRemoved().isEmpty() //
+				&& diff.getMissing().isEmpty() //
+				&& diff.getModified().isEmpty() //
+				&& diff.getUntracked().isEmpty() //
+				&& diff.getConflicting().isEmpty();
+	}
+
+	/**
+	 * @return true if no differences exist between the working-tree, the index,
+	 *         and the current HEAD, false if differences do exist
+	 */
+	public boolean isClean() {
+		return clean;
 	}
 
 	/**