Add simple search to projects in public area

app/controllers/public/projects_controller.rb

@@ -7,6 +7,7 @@ class Public::ProjectsController < ApplicationController
   def index
     @projects = Project.public_only
+    @projects = @projects.search(params[:search]) if params[:search].present?
     @projects = @projects.includes(:namespace).order("namespaces.path, projects.name ASC").page(params[:page]).per(20)
   end
 end

app/views/public/projects/index.html.haml

-%h3.page_title
-  Projects (#{@projects.total_count})
-  %small with read-only access
+.row
+  .span6
+    %h3.page_title
+      Projects (#{@projects.total_count})
+      %small with read-only access
+  .span6
+    .pull-right
+      = form_tag public_projects_path, method: :get, class: 'form-inline' do |f|
+        .search-holder
+          .input
+            = search_field_tag :search, params[:search], placeholder: "gitlab-ci", class: "span3 search-text-input", id: "projects_search"
+            = submit_tag 'Search', class: "btn btn-primary wide"
+
 %hr
 .public-projects