Merge pull request #968 from warpc/959-error_with_empty_projects

[refs #959] fix did you run git update-server-info on the server?

app/controllers/projects/git/trees_controller.rb

@@ -4,7 +4,7 @@ class Projects::Git::TreesController < Projects::Git::BaseController
   skip_before_filter :set_branch_and_tree, :set_treeish_and_path, :only => :archive
 
   def show
-    render('empty') and return if @project.empty?
+    render('empty') and return if @project.is_empty?
     @tree = @tree / @path if @path.present?
     @commit = @branch.present? ? @branch.commit() : @project.repo.log(@treeish, @path, :max_count => 1).first
     raise Grit::NoSuchPathError unless @commit

lib/modules/models/git.rb

@@ -97,7 +97,7 @@ module Modules
         system("#{Rails.root.join('bin', 'import_srpm.sh')} #{opts} >> /dev/null 2>&1")
       end
 
-      def empty?
+      def is_empty?
         repo.branches.count == 0
       end