Throw invalid ref exception instead of invalid remote exception

ReflogCommand command was throwing an incorrect exception type
when an IOException was wrapped and rethrown from the underlying
ReflogReader.  The IOException cause is now provided to the thrown
exception as well.

Change-Id: I9f1842c2d414d3e9c658843f9b448bc18891748e

2 files changed, 11 insertions, 3 deletions

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/ReflogCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/ReflogCommand.java
index bd16e3f912..8d0720742f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/ReflogCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/ReflogCommand.java
@@ -47,7 +47,7 @@ import java.text.MessageFormat;
 import java.util.Collection;
 
 import org.eclipse.jgit.JGitText;
-import org.eclipse.jgit.api.errors.InvalidRemoteException;
+import org.eclipse.jgit.api.errors.InvalidRefNameException;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.storage.file.ReflogEntry;
@@ -91,8 +91,8 @@ public class ReflogCommand extends GitCommand<Collection<ReflogEntry>> {
 			ReflogReader reader = new ReflogReader(repo, ref);
 			return reader.getReverseEntries();
 		} catch (IOException e) {
-			throw new InvalidRemoteException(MessageFormat.format(
-					JGitText.get().cannotRead, ref));
+			throw new InvalidRefNameException(MessageFormat.format(
+					JGitText.get().cannotRead, ref), e);
 		}
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/InvalidRefNameException.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/InvalidRefNameException.java
index 139c41cd5f..287713c82c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/InvalidRefNameException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/InvalidRefNameException.java
@@ -49,4 +49,12 @@ public class InvalidRefNameException extends GitAPIException {
 	public InvalidRefNameException(String msg) {
 		super(msg);
 	}
+
+	/**
+	 * @param msg
+	 * @param cause
+	 */
+	public InvalidRefNameException(String msg, Throwable cause) {
+		super(msg, cause);
+	}
 }