Merge "Call unlockPack in finally"

org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceivePack.java

@@ -269,20 +269,26 @@ public class ReceivePack extends BaseReceivePack {
 				}
 			}
 
+			try {
 				if (unpackError == null) {
 					boolean atomic = isCapabilityEnabled(CAPABILITY_ATOMIC);
 					setAtomic(atomic);
 
 					validateCommands();
-				if (atomic && anyRejects())
+					if (atomic && anyRejects()) {
 						failPendingCommands();
+					}
 
-				preReceive.onPreReceive(this, filterCommands(Result.NOT_ATTEMPTED));
-				if (atomic && anyRejects())
+					preReceive.onPreReceive(
+							this, filterCommands(Result.NOT_ATTEMPTED));
+					if (atomic && anyRejects()) {
 						failPendingCommands();
+					}
 					executeCommands();
 				}
+			} finally {
 				unlockPack();
+			}
 
 			if (reportStatus) {
 				if (echoCommandFailures && msgOut != null) {