[#369] dont redirect to project if get an ajax request

app/controllers/projects/git/trees_controller.rb

@@ -1,6 +1,6 @@
 class Projects::Git::TreesController < Projects::Git::BaseController
 
-  before_filter -> {redirect_to @project if params[:treeish] == @project.resolve_default_branch and params[:path].blank?}, only: :show
+  before_filter -> { redirect_to_project }, only: :show
   skip_before_filter :set_branch_and_tree, :set_treeish_and_path, only: :archive
   before_filter -> { raise Grit::NoSuchPathError if params[:treeish] != @branch.try(:name) }, only: [:branch, :destroy]
 
@@ -79,4 +79,12 @@ class Projects::Git::TreesController < Projects::Git::BaseController
     end
   end
 
+  protected
+
+  def redirect_to_project
+    if params[:treeish] == @project.resolve_default_branch && params[:path].blank? && !request.xhr?
+      redirect_to @project
+    end
+  end
+
 end

app/views/projects/git/trees/show.json.jbuilder

@@ -10,6 +10,7 @@ if params[:info] == 'true'
 else
 
   page = params[:page].to_i
+  page = page < 1 ? 0 : page
 
   json.tree do
     json.array! @project.tree_info(@tree, @treeish, @path, page).each do |node, node_path, commit|