Avoid NPE when the default branch cannot be identified

Robin Rosenberg

2013-09-01 02ede7f11c6fb28ca53fc240905cd1b140236f08

Avoid NPE when the default branch cannot be identified

This is a normal condition that complicates debugging, i.e.
when catching all NPE's.

 src/main/java/com/gitblit/utils/JGitUtils.java

@@ -566,6 +566,8 @@
        try {

            if (tree == null) {

                ObjectId object = getDefaultBranch(repository);

                if (object == null)

                    return null;

                RevCommit commit = rw.parseCommit(object);

                tree = commit.getTree();

            }