From a502d96a860456ec5e8c96761db70f7cabb74751 Mon Sep 17 00:00:00 2001
From: Paul Martin <paul@paulsputer.com>
Date: Sat, 30 Apr 2016 04:19:14 -0400
Subject: [PATCH] Merge pull request #1073 from gitblit/1062-DocEditorUpdates

---
 src/main/java/com/gitblit/utils/JGitUtils.java |   27 ++++++++++++++++++++-------
 1 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/src/main/java/com/gitblit/utils/JGitUtils.java b/src/main/java/com/gitblit/utils/JGitUtils.java
index 3aaad6d..adcbb4d 100644
--- a/src/main/java/com/gitblit/utils/JGitUtils.java
+++ b/src/main/java/com/gitblit/utils/JGitUtils.java
@@ -1745,13 +1745,9 @@
 	 * @return true if successful
 	 */
 	public static boolean deleteBranchRef(Repository repository, String branch) {
-		String branchName = branch;
-		if (!branchName.startsWith(Constants.R_HEADS)) {
-			branchName = Constants.R_HEADS + branch;
-		}
 
 		try {
-			RefUpdate refUpdate = repository.updateRef(branchName, false);
+			RefUpdate refUpdate = repository.updateRef(branch, false);
 			refUpdate.setForceUpdate(true);
 			RefUpdate.Result result = refUpdate.delete();
 			switch (result) {
@@ -1762,10 +1758,10 @@
 				return true;
 			default:
 				LOGGER.error(MessageFormat.format("{0} failed to delete to {1} returned result {2}",
-						repository.getDirectory().getAbsolutePath(), branchName, result));
+						repository.getDirectory().getAbsolutePath(), branch, result));
 			}
 		} catch (Throwable t) {
-			error(t, repository, "{0} failed to delete {1}", branchName);
+			error(t, repository, "{0} failed to delete {1}", branch);
 		}
 		return false;
 	}
@@ -2727,5 +2723,22 @@
 		}
 		return success;
 	}
+	
+	/**
+	 * Returns true if the commit identified by commitId is at the tip of it's branch.
+	 *
+	 * @param repository
+	 * @param commitId
+	 * @return true if the given commit is the tip
+	 */
+	public static boolean isTip(Repository repository, String commitId) {
+		try {
+			RefModel tip = getBranch(repository, commitId);
+			return (tip != null);	
+		} catch (Exception e) {
+			LOGGER.error("Failed to determine isTip", e);
+		}
+		return false;
+	}
 
 }

--
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