2 files changed, 6 insertions(+), 1 deletions(-)

M gitsrht/blueprints/repo.py
M gitsrht/git.py

@@ 147,7 147,10 @@ def go_get(owner, repo, path):
     ])
 
 def lookup_ref(git_repo, ref, path):
-    ref = ref or git_repo.default_branch().name[len("refs/heads/"):]
+    branch = git_repo.default_branch()
+    if not branch:
+        abort(404)
+    ref = ref or branch.name[len("refs/heads/"):]
     if not path:
         path = []
     else:

@@ 55,6 55,8 @@ class Repository(GitRepository):
     def default_branch(self):
         branch = self.branches.get("master")
         if not branch:
+            if not any(self.branches.local):
+                return None
             branch = list(self.branches.local)[0]
             branch = self.branches.get(branch)
         return branch