From abb57e6b5674b7251bd94b7238e5d995ad9c30c5 Mon Sep 17 00:00:00 2001
From: Matthias Sohn <matthias.sohn@sap.com>
Date: Thu, 6 Nov 2014 09:48:01 +0100
Subject: [PATCH] Do not swallow exception if IndexDiff hits invalid ignore
 param

Change-Id: I8a595e1f01a0731118d3c537be420222f7fec744
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
---
 org.eclipse.jgit/src/org/eclipse/jgit/lib/IndexDiff.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/IndexDiff.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/IndexDiff.java
index 240a6f7b1..8e0c03ca5 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/IndexDiff.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/IndexDiff.java
@@ -525,9 +525,11 @@ public boolean diff(final ProgressMonitor monitor, int estWorkTreeSize,
 							.equals(localIgnoreSubmoduleMode))
 						continue;
 				} catch (ConfigInvalidException e) {
-					throw new IOException(
+					IOException e1 = new IOException(
 							"Found invalid ignore param for submodule "
 									+ smw.getPath());
+					e1.initCause(e);
+					throw e1;
 				}
 				Repository subRepo = smw.getRepository();
 				ObjectId subHead = subRepo.resolve("HEAD"); //$NON-NLS-1$