From 1d4e4c554b8598a92b66cf72364fe3a024531296 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Berg?= <andre.bergmedia@googlemail.com>
Date: Mon, 5 Apr 2010 21:28:52 +0200
Subject: [PATCH] Only update selectedCommit in [PBGitHistoryController
 updateKeys] when not nil.

---
 PBGitHistoryController.m | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/PBGitHistoryController.m b/PBGitHistoryController.m
index 6b77175..4e9ed98 100644
--- a/PBGitHistoryController.m
+++ b/PBGitHistoryController.m
@@ -121,7 +121,10 @@
 
 - (void) updateKeys
 {
-	selectedCommit = [[commitController selectedObjects] lastObject];
+	PBGitCommit * lastObject = [[commitController selectedObjects] lastObject];
+    if (lastObject) {
+        selectedCommit = lastObject;
+    }
 
 	if (self.selectedCommitDetailsIndex == kHistoryTreeViewIndex) {
 		self.gitTree = selectedCommit.tree;