#944 refactoring checking empty project

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.repo.branches.count == 0
+    render('empty') and return if @project.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
@@ -33,7 +33,7 @@ class Projects::Git::TreesController < Projects::Git::BaseController
   end
 
   def branches
-    raise Grit::NoSuchPathError if !@branch && @project.repo.branches.count != 0
+    raise Grit::NoSuchPathError if !(@branch && @project.empty?)
     @branches = @project.repo.branches.sort_by(&:name).select{ |b| b.name != @branch.name }.unshift(@branch).compact
     render 'refs'
   end

lib/modules/models/git.rb

@@ -97,6 +97,10 @@ module Modules
         system("#{Rails.root.join('bin', 'import_srpm.sh')} #{opts} >> /dev/null 2>&1")
       end
 
+      def empty?
+        repo.branches.count == 0
+      end
+
       protected
 
       def build_path(dir)