From: Matthias Sohn <matthias.sohn@sap.com>
Date: Fri, 16 Aug 2019 22:17:51 +0000 (+0200)
Subject: Fix NPE in CommitOnlyTest#getHead
X-Git-Tag: v5.1.9.201908210455-r~5
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=refs%2Fchanges%2F62%2F147862%2F8;p=jgit.git

Fix NPE in CommitOnlyTest#getHead

Change-Id: I05abd00d151cf9834d1a097dd16dc280b62a7edd
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
---

diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitOnlyTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitOnlyTest.java
index bbd6ec0bde..43c00518a6 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitOnlyTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitOnlyTest.java
@@ -1294,9 +1294,15 @@ public class CommitOnlyTest extends RepositoryTestCase {
 		try {
 			final Repository repo = git.getRepository();
 			final ObjectId headId = repo.resolve(Constants.HEAD + "^{commit}");
+			if (headId == null) {
+				return "";
+			}
 			try (RevWalk rw = new RevWalk(repo)) {
 				final TreeWalk tw = TreeWalk.forPath(repo, path,
 						rw.parseTree(headId));
+				if (tw == null) {
+					return "";
+				}
 				return new String(tw.getObjectReader().open(tw.getObjectId(0))
 						.getBytes());
 			}