Merge branch 'version-check' into 'master'

Version check

See merge request !1509

app/controllers/admin/application_settings_controller.rb

@@ -42,6 +42,7 @@ def application_setting_params
       :default_project_visibility,
       :default_snippet_visibility,
       :restricted_signup_domains_raw,
+      :version_check_enabled,
       restricted_visibility_levels: [],
     )
   end

app/helpers/version_check_helper.rb

@@ -0,0 +1,7 @@
+module VersionCheckHelper
+  def version_status_badge
+    if Rails.env.production?
+      image_tag VersionCheck.new.url
+    end
+  end
+end

app/views/admin/application_settings/_form.html.haml

@@ -32,6 +32,12 @@
             = f.check_box :twitter_sharing_enabled, :'aria-describedby' => 'twitter_help_block'
             %strong Twitter enabled
           %span.help-block#twitter_help_block Show users a button to share their newly created public or internal projects on twitter
+    .form-group
+      .col-sm-offset-2.col-sm-10
+        .checkbox
+          = f.label :version_check_enabled do
+            = f.check_box :version_check_enabled
+            Version check enabled
   %fieldset
     %legend Misc
     .form-group

app/views/admin/dashboard/index.html.haml

@@ -56,7 +56,12 @@
         %span.light.pull-right
           = boolean_to_icon Gitlab.config.omniauth.enabled
     .col-md-4
-      %h4 Components
+      %h4
+        Components
+        - if current_application_settings.version_check_enabled
+          .pull-right
+            = version_status_badge
+
       %hr
       %p
         GitLab

app/views/help/index.html.haml

@@ -3,6 +3,8 @@
     GitLab
     %span= Gitlab::VERSION
     %small= Gitlab::REVISION
+    - if current_application_settings.version_check_enabled
+      = version_status_badge
   %p.slead
     GitLab is open source software to collaborate on code.
     %br

db/migrate/20150310194358_add_version_check_to_application_settings.rb

@@ -0,0 +1,5 @@
+class AddVersionCheckToApplicationSettings < ActiveRecord::Migration
+  def change
+    add_column :application_settings, :version_check_enabled, :boolean, default: true
+  end
+end

db/schema.rb

@@ -28,6 +28,7 @@
     t.integer  "default_branch_protection",    default: 2
     t.boolean  "twitter_sharing_enabled",      default: true
     t.text     "restricted_visibility_levels"
+    t.boolean  "version_check_enabled",        default: true
     t.integer  "max_attachment_size",          default: 10,   null: false
     t.integer  "default_project_visibility"
     t.integer  "default_snippet_visibility"

lib/version_check.rb

@@ -0,0 +1,18 @@
+require "base64"
+
+# This class is used to build image URL to
+# check if it is a new version for update
+class VersionCheck
+  def data
+    { version: Gitlab::VERSION }
+  end
+
+  def url
+    encoded_data = Base64.urlsafe_encode64(data.to_json)
+    "#{host}?gitlab_info=#{encoded_data}"
+  end
+
+  def host
+    'https://version.gitlab.com/check.png'
+  end
+end