From 0079f9ce7d45011d571315604875ad77fa2b4224 Mon Sep 17 00:00:00 2001
From: Tomasz Przybyla <bsodzik@tlen.pl>
Date: Thu, 27 Nov 2014 16:50:57 +0100
Subject: [PATCH] Added protection from NullPointerException when
 dotGitDirectory is wrong.

---
 src/main/java/pl/project13/maven/git/JGitProvider.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/pl/project13/maven/git/JGitProvider.java b/src/main/java/pl/project13/maven/git/JGitProvider.java
index 37a4a086..5564632b 100644
--- a/src/main/java/pl/project13/maven/git/JGitProvider.java
+++ b/src/main/java/pl/project13/maven/git/JGitProvider.java
@@ -216,7 +216,9 @@ protected String getTags() throws MojoExecutionException {
 
   @Override
   protected void finalCleanUp() {
-    revWalk.dispose();
+    if (revWalk != null) {
+      revWalk.dispose();
+    }
   }