Stack Overflow in EGit History View

This is caused by a recursion in PlotWalk.getTags().
As a hotfix, the sort was simply removed. The sort
must be re-implemented so that parseAny() is not called
again (currently, this happens in the PlotRefComparator).

Change-Id: I060d26fda8a75ac803acaf89cfb7d3b4317328f3
Signed-off-by: Mathias Kinzler <mathias.kinzler@sap.com>
Signed-off-by: Christian Halstrick <christian.halstrick@sap.com>

org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotWalk.java

@@ -45,7 +45,6 @@
 package org.eclipse.jgit.revplot;
 
 import java.io.IOException;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.Comparator;
 import java.util.Map;
@@ -108,7 +107,9 @@ public class PlotWalk extends RevWalk {
 			tags = null;
 		else {
 			tags = list.toArray(new Ref[list.size()]);
-			Arrays.sort(tags, new PlotRefComparator());
+			// TODO hotfix, this results in a loop and consequently stack overflow
+			// when opening the history view in EGit
+			// Arrays.sort(tags, new PlotRefComparator());
 		}
 		return tags;
 	}