From ae215605a2dea2c1b13011e5e82fa29d9e3fe46a Mon Sep 17 00:00:00 2001
From: Matthias Sohn
Date: Tue, 15 Mar 2016 00:18:55 +0100
Subject: Fix NPE in RepositoriesViewPropertyTester

Bug: 489602
Change-Id: If35a2b22aeb34cf15afcf33410d34c7b22308f62
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
---
 .../tree/RepositoriesViewPropertyTester.java       | 48 ++++++++++++----------
 1 file changed, 26 insertions(+), 22 deletions(-)

diff --git a/org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/repository/tree/RepositoriesViewPropertyTester.java b/org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/repository/tree/RepositoriesViewPropertyTester.java
index d4cc1352b1..6930020b10 100644
--- a/org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/repository/tree/RepositoriesViewPropertyTester.java
+++ b/org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/repository/tree/RepositoriesViewPropertyTester.java
@@ -48,14 +48,22 @@ public class RepositoriesViewPropertyTester extends PropertyTester {
 			return false;
 		RepositoryTreeNode node = (RepositoryTreeNode) receiver;
 
-		if (property.equals("isBare")) //$NON-NLS-1$
-			return node.getRepository().isBare();
+		Repository repository = node.getRepository();
+		if (repository == null) {
+			return false;
+		}
+
+		if (property.equals("isBare")) { //$NON-NLS-1$
+			return repository.isBare();
+		}
 
-		if (property.equals("containsHead")) //$NON-NLS-1$
-			return containsHead(node);
+		if (property.equals("containsHead")) {//$NON-NLS-1$
+			return containsHead(repository);
+		}
 
-		if (ResourcePropertyTester.testRepositoryState(node.getRepository(), property))
+		if (ResourcePropertyTester.testRepositoryState(repository, property)) {
 			return true;
+		}
 
 		if (property.equals("isRefCheckedOut")) { //$NON-NLS-1$
 			if (!(node.getObject() instanceof Ref))
@@ -63,20 +71,18 @@ public class RepositoriesViewPropertyTester extends PropertyTester {
 			Ref ref = (Ref) node.getObject();
 			try {
 				if (ref.getName().startsWith(Constants.R_REFS)) {
-					return ref.getName().equals(
-							node.getRepository().getFullBranch());
+					return ref.getName().equals(repository.getFullBranch());
 				} else if (ref.getName().equals(Constants.HEAD)) {
 					return true;
 				} else {
 					String leafname = ref.getLeaf().getName();
 					if (leafname.startsWith(Constants.R_REFS)
-							&& leafname.equals(node.getRepository()
-									.getFullBranch())) {
+							&& leafname.equals(repository.getFullBranch())) {
 						return true;
 					} else {
 						ObjectId objectId = ref.getLeaf().getObjectId();
-						return objectId != null && objectId.equals(
-								node.getRepository().resolve(Constants.HEAD));
+						return objectId != null && objectId
+								.equals(repository.resolve(Constants.HEAD));
 					}
 				}
 			} catch (IOException e) {
@@ -95,8 +101,8 @@ public class RepositoriesViewPropertyTester extends PropertyTester {
 
 				RemoteConfig rconfig;
 				try {
-					rconfig = new RemoteConfig(
-							node.getRepository().getConfig(), configName);
+					rconfig = new RemoteConfig(repository.getConfig(),
+							configName);
 				} catch (URISyntaxException e2) {
 					return false;
 				}
@@ -111,8 +117,8 @@ public class RepositoriesViewPropertyTester extends PropertyTester {
 
 				RemoteConfig rconfig;
 				try {
-					rconfig = new RemoteConfig(
-							node.getRepository().getConfig(), configName);
+					rconfig = new RemoteConfig(repository.getConfig(),
+							configName);
 				} catch (URISyntaxException e2) {
 					return false;
 				}
@@ -123,15 +129,13 @@ public class RepositoriesViewPropertyTester extends PropertyTester {
 			}
 		}
 		if (property.equals("canStash")) { //$NON-NLS-1$
-			Repository rep = node.getRepository();
-			return rep.getRepositoryState().canCommit();
+			return repository.getRepositoryState().canCommit();
 		}
 		if (property.equals("canMerge")) { //$NON-NLS-1$
-			Repository rep = node.getRepository();
-			if (rep.getRepositoryState() != RepositoryState.SAFE)
+			if (repository.getRepositoryState() != RepositoryState.SAFE)
 				return false;
 			try {
-				String branch = rep.getFullBranch();
+				String branch = repository.getFullBranch();
 				if (branch == null)
 					return false; // fail gracefully...
 				return branch.startsWith(Constants.R_HEADS);
@@ -148,9 +152,9 @@ public class RepositoriesViewPropertyTester extends PropertyTester {
 		return false;
 	}
 
-	private boolean containsHead(RepositoryTreeNode node) {
+	private boolean containsHead(Repository repository) {
 		try {
-			return node.getRepository().resolve(Constants.HEAD) != null;
+			return repository.resolve(Constants.HEAD) != null;
 		} catch (IOException e) {
 			return false;
 		}
-- 
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