Provide a root cause for aborted commands

Change-Id: Iafaa03dbacbe7f1b2b074d3294db988b08fdb0d7
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>

1 files changed, 14 insertions, 1 deletions

diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/TextBuiltin.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/TextBuiltin.java
index 56cfc7e8ef..40a42e5207 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/TextBuiltin.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/TextBuiltin.java
@@ -217,7 +217,7 @@ public abstract class TextBuiltin {
 		} catch (CmdLineException err) {
 			if (!help) {
 				this.errw.println(MessageFormat.format(CLIText.get().fatalError, err.getMessage()));
-				throw die(true);
+				throw die(true, err);
 			}
 		}
 
@@ -324,6 +324,19 @@ public abstract class TextBuiltin {
 		return new Die(aborted);
 	}
 
+	/**
+	 * @param aborted
+	 *            boolean indicating that the execution has been aborted before
+	 *            running
+	 * @param cause
+	 *            why the command has failed.
+	 * @return a runtime exception the caller is expected to throw
+	 * @since 4.2
+	 */
+	protected static Die die(boolean aborted, final Throwable cause) {
+		return new Die(aborted, cause);
+	}
+
 	String abbreviateRef(String dst, boolean abbreviateRemote) {
 		if (dst.startsWith(R_HEADS))
 			dst = dst.substring(R_HEADS.length());