Make sure we use only local branches for listing.

* Also added small fix for the scenario when the remote repo is empty
 and does not have tags.

app/models/repository.rb

@@ -77,7 +77,7 @@ class Repository
     return @has_visible_content unless @has_visible_content.nil?
 
     @has_visible_content = cache.fetch(:has_visible_content?) do
-      branch_count > 0
+      local_branches.size > 0
     end
   end
 
@@ -133,7 +133,7 @@ class Repository
   end
 
   def find_branch(name)
-    raw_repository.branches.find { |branch| branch.name == name }
+    branches.find { |branch| branch.name == name }
   end
 
   def find_tag(name)
@@ -248,7 +248,7 @@ class Repository
   end
 
   def branch_count
-    @branch_count ||= cache.fetch(:branch_count) { branches.size }
+    @branch_count ||= cache.fetch(:branch_count) { local_branches.size }
   end
 
   def tag_count

lib/gitlab/backend/shell.rb

@@ -50,8 +50,11 @@ module Gitlab
       # We want to convert it to: [{ 'v1.10.0' => 'dc872e9fa6963f8f03da6c8f6f264d0845d6b092' }, ...]
       tags_with_targets = output.lines.flat_map do |line|
         target, path = line.strip!.split("\t")
-        name = path.split('/', 3).last
 
+        # When the remote repo is empty we don't have tags.
+        break if target.nil?
+
+        name = path.split('/', 3).last
         [name, target]
       end