[EGIT PATCH 02/31] Fix Repository isValidRefName() for empty names

[Marek Zawirski <marek.zawirski@gmail.com>]

Empty name is obviously invalid - method should return false.

Signed-off-by: Marek Zawirski <marek.zawirski@gmail.com>
---
 .../src/org/spearce/jgit/lib/Repository.java       |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java b/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java
index a8591cc..17cdb40 100644
--- a/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java
+++ b/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java
@@ -986,6 +986,9 @@ public class Repository {
 	 */
 	public static boolean isValidRefName(final String refName) {
 		final int len = refName.length();
+		if (len == 0)
+			return false;
+		
 		char p = '\0';
 		for (int i=0; i<len; ++i) {
 			char c = refName.charAt(i);
-- 
1.5.6.3