check browser version, blacklisting outdated IE (version < 10)

CHANGELOG

@@ -13,8 +13,9 @@ v 7.7.0
   -
   -
   -
+  - Add alert message in case of outdated browser (IE < 10)
+  -
   -
-  
 
 
 v 7.6.0

Gemfile

@@ -30,6 +30,9 @@ gem 'omniauth-github'
 gem 'omniauth-shibboleth'
 gem 'omniauth-kerberos'
 
+# Browser detection
+gem "browser"
+
 # Extracting information from a git repository
 # Provide access to Gitlab::Git library
 gem "gitlab_git", '7.0.0.rc12'

Gemfile.lock

@@ -49,6 +49,7 @@ GEM
       debug_inspector (>= 0.0.1)
     bootstrap-sass (3.0.3.0)
       sass (~> 3.2)
+    browser (0.7.2)
     builder (3.2.2)
     capybara (2.2.1)
       mime-types (>= 1.16)
@@ -604,6 +605,7 @@ DEPENDENCIES
   better_errors
   binding_of_caller
   bootstrap-sass (~> 3.0)
+  browser
   capybara (~> 2.2.1)
   carrierwave
   coffee-rails

app/assets/stylesheets/generic/common.scss

@@ -227,6 +227,18 @@ li.note {
   }
 }
 
+.browser-alert {
+  padding: 10px;
+  text-align: center;
+  background: #C67;
+  color: #fff;
+  font-weight: bold;
+  a {
+    color: #fff;
+    text-decoration: underline;
+  }
+}
+
 .warning_message {
   border-left: 4px solid #ed9;
   color: #b90;

app/helpers/application_helper.rb

@@ -293,4 +293,8 @@ module ApplicationHelper
     path << "?#{options.to_param}"
     path
   end
+
+  def outdated_browser?
+    browser.ie? && browser.version.to_i < 10
+  end
 end

app/views/layouts/_head_panel.html.haml

@@ -44,3 +44,5 @@
           %li.hidden-xs
             = link_to current_user, class: "profile-pic", id: 'profile-pic' do
               = image_tag avatar_icon(current_user.email, 26), alt: 'User activity'
+
+= render 'shared/outdated_browser'

app/views/layouts/_public_head_panel.html.haml

@@ -20,3 +20,4 @@
           %li.visible-xs
             = link_to "Sign in", new_session_path(:user, redirect_to_referer: 'yes')
 
+= render 'shared/outdated_browser'

app/views/layouts/devise.html.haml

@@ -6,6 +6,7 @@
       .content
         .login-title
           %h1= brand_title
+    = render 'shared/outdated_browser'
     %hr
     .container
       .content

app/views/shared/_outdated_browser.html.haml

+- if outdated_browser?
+  - link = "https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/install/requirements.md#supported-web-browsers"
+  .browser-alert
+    GitLab may not work properly because you are using an outdated web browser.
+    %br
+    Please install a
+    = link_to 'supported web browser', link
+    for a better experience.