Merge branch 'master' of https://gitlab.com/gitlab-org/gitlab-ce into auto-fsck

62 files changed, 534 insertions, 368 deletions

diff --git a/app/assets/javascripts/application.js.coffee b/app/assets/javascripts/application.js.coffee
index f01c67e9474..6f435e4c542 100644
--- a/app/assets/javascripts/application.js.coffee
+++ b/app/assets/javascripts/application.js.coffee
@@ -22,7 +22,17 @@
 #= require cal-heatmap
 #= require turbolinks
 #= require autosave
-#= require bootstrap
+#= require bootstrap/affix
+#= require bootstrap/alert
+#= require bootstrap/button
+#= require bootstrap/collapse
+#= require bootstrap/dropdown
+#= require bootstrap/modal
+#= require bootstrap/scrollspy
+#= require bootstrap/tab
+#= require bootstrap/transition
+#= require bootstrap/tooltip
+#= require bootstrap/popover
 #= require select2
 #= require raphael
 #= require g.raphael
@@ -41,6 +51,7 @@
 #= require shortcuts_issuable
 #= require shortcuts_network
 #= require jquery.nicescroll
+#= require date.format
 #= require_tree .
 #= require fuzzaldrin-plus
 #= require cropper
@@ -163,7 +174,7 @@ $ ->
   $('.trigger-submit').on 'change', ->
     $(@).parents('form').submit()
 
-  $('abbr.timeago, .js-timeago').timeago()
+  gl.utils.localTimeAgo($('abbr.timeago, .js-timeago'), false)
 
   # Flash
   if (flash = $(".flash-container")).length > 0
diff --git a/app/assets/javascripts/behaviors/quick_submit.js.coffee b/app/assets/javascripts/behaviors/quick_submit.js.coffee
index 6e29d374267..3cb96bacaa7 100644
--- a/app/assets/javascripts/behaviors/quick_submit.js.coffee
+++ b/app/assets/javascripts/behaviors/quick_submit.js.coffee
@@ -29,7 +29,11 @@ $(document).on 'keydown.quick_submit', '.js-quick-submit', (e) ->
   e.preventDefault()
 
   $form = $(e.target).closest('form')
-  $form.find('input[type=submit], button[type=submit]').disable()
+  $submit_button = $form.find('input[type=submit], button[type=submit]')
+
+  return if $submit_button.attr('disabled')
+
+  $submit_button.disable()
   $form.submit()
 
 # If the user tabs to a submit button on a `js-quick-submit` form, display a
diff --git a/app/assets/javascripts/gl_dropdown.js.coffee b/app/assets/javascripts/gl_dropdown.js.coffee
index ee1d0fad289..2dc37257e22 100644
--- a/app/assets/javascripts/gl_dropdown.js.coffee
+++ b/app/assets/javascripts/gl_dropdown.js.coffee
@@ -122,7 +122,9 @@ class GitLabDropdown
   FILTER_INPUT = '.dropdown-input .dropdown-input-field'
 
   constructor: (@el, @options) ->
-    @dropdown = $(@el).parent()
+    self = @
+    selector = $(@el).data "target"
+    @dropdown = if selector? then $(selector) else $(@el).parent()
 
     # Set Defaults
     {
diff --git a/app/assets/javascripts/labels_select.js.coffee b/app/assets/javascripts/labels_select.js.coffee
index d1fe116397a..90385621879 100644
--- a/app/assets/javascripts/labels_select.js.coffee
+++ b/app/assets/javascripts/labels_select.js.coffee
@@ -218,7 +218,7 @@ class @LabelsSelect
         selectable: true
 
         toggleLabel: (selected) ->
-          if selected and selected.title isnt 'Any Label'
+          if selected and selected.title?
             selected.title
           else
             defaultLabel
diff --git a/app/assets/javascripts/lib/datetime_utility.js.coffee b/app/assets/javascripts/lib/datetime_utility.js.coffee
new file mode 100644
index 00000000000..ad1d1c70481
--- /dev/null
+++ b/app/assets/javascripts/lib/datetime_utility.js.coffee
@@ -0,0 +1,17 @@
+((w) ->
+
+  w.gl ?= {}
+  w.gl.utils ?= {}
+
+  w.gl.utils.formatDate = (datetime) ->
+    dateFormat(datetime, 'mmm d, yyyy h:MMtt Z')
+
+  w.gl.utils.localTimeAgo = ($timeagoEls, setTimeago = true) ->
+    $timeagoEls.each( ->
+          $el = $(@)
+          $el.attr('title', gl.utils.formatDate($el.attr('datetime')))
+    )
+
+    $timeagoEls.timeago() if setTimeago
+
+) window
diff --git a/app/assets/javascripts/lib/notify.js.coffee b/app/assets/javascripts/lib/notify.js.coffee
index 3f9ca39912c..9e28353ac34 100644
--- a/app/assets/javascripts/lib/notify.js.coffee
+++ b/app/assets/javascripts/lib/notify.js.coffee
@@ -2,6 +2,11 @@
   notificationGranted = (message, opts, onclick) ->
     notification = new Notification(message, opts)
 
+    # Hide the notification after X amount of seconds
+    setTimeout ->
+      notification.close()
+    , 8000
+
     if onclick
       notification.onclick = onclick
 
diff --git a/app/assets/javascripts/merge_request_tabs.js.coffee b/app/assets/javascripts/merge_request_tabs.js.coffee
index 9946249adbf..ef0b534a709 100644
--- a/app/assets/javascripts/merge_request_tabs.js.coffee
+++ b/app/assets/javascripts/merge_request_tabs.js.coffee
@@ -142,7 +142,7 @@ class @MergeRequestTabs
       url: "#{source}.json"
       success: (data) =>
         document.querySelector("div#commits").innerHTML = data.html
-        $('.js-timeago').timeago()
+        gl.utils.localTimeAgo($('.js-timeago', 'div#commits'))
         @commitsLoaded = true
         @scrollToElement("#commits")
 
@@ -153,7 +153,7 @@ class @MergeRequestTabs
       url: "#{source}.json" + @_location.search
       success: (data) =>
         document.querySelector("div#diffs").innerHTML = data.html
-        $('.js-timeago').timeago()
+        gl.utils.localTimeAgo($('.js-timeago', 'div#diffs'))
         $('div#diffs .js-syntax-highlight').syntaxHighlight()
         @expandViewContainer() if @diffViewType() is 'parallel'
         @diffsLoaded = true
@@ -166,7 +166,7 @@ class @MergeRequestTabs
       url: "#{source}.json"
       success: (data) =>
         document.querySelector("div#builds").innerHTML = data.html
-        $('.js-timeago').timeago()
+        gl.utils.localTimeAgo($('.js-timeago', 'div#builds'))
         @buildsLoaded = true
         @scrollToElement("#builds")
 
diff --git a/app/assets/javascripts/merge_request_widget.js.coffee b/app/assets/javascripts/merge_request_widget.js.coffee
index 84a8887fbce..065626beeb8 100644
--- a/app/assets/javascripts/merge_request_widget.js.coffee
+++ b/app/assets/javascripts/merge_request_widget.js.coffee
@@ -12,10 +12,19 @@ class @MergeRequestWidget
     @readyForCICheck = true
     clearInterval @fetchBuildStatusInterval
 
+    @clearEventListeners()
+    @addEventListeners()
     @pollCIStatus()
     notifyPermissions()
 
-  setOpts: (@opts) ->
+  clearEventListeners: ->
+    $(document).off 'page:change.merge_request'
+
+  addEventListeners: ->
+    $(document).on 'page:change.merge_request', =>
+      if $('body').data('page') isnt 'projects:merge_requests:show'
+        clearInterval @fetchBuildStatusInterval
+        @clearEventListeners()
 
   mergeInProgress: (deleteSourceBranch = false)->
     $.ajax
@@ -38,7 +47,7 @@ class @MergeRequestWidget
       $('.mr-state-widget').replaceWith(data)
 
   ciLabelForStatus: (status) ->
-    if status == 'success'
+    if status is 'success'
       'passed'
     else
       status
@@ -67,18 +76,28 @@ class @MergeRequestWidget
         @opts.ci_status = data.status
         return
 
-      if data.status isnt @opts.ci_status
+      if data.status isnt @opts.ci_status and data.status?
         @showCIStatus data.status
         if data.coverage
           @showCICoverage data.coverage
 
         if showNotification
-          message = @opts.ci_message.replace('{{status}}', @ciLabelForStatus(data.status))
+          status = @ciLabelForStatus(data.status)
+
+          if status is "preparing"
+            title = @opts.ci_title.preparing
+            status = status.charAt(0).toUpperCase() + status.slice(1);
+            message = @opts.ci_message.preparing.replace('{{status}}', status)
+          else
+            title = @opts.ci_title.normal
+            message = @opts.ci_message.normal.replace('{{status}}', status)
+
+          title = title.replace('{{status}}', status)
           message = message.replace('{{sha}}', data.sha)
           message = message.replace('{{title}}', data.title)
 
           notify(
-            "Build #{@ciLabelForStatus(data.status)}",
+            title,
             message,
             @opts.gitlab_icon,
             ->
@@ -98,6 +117,8 @@ class @MergeRequestWidget
           @setMergeButtonClass('btn-danger')
         when "running", "pending"
           @setMergeButtonClass('btn-warning')
+        when "success"
+          @setMergeButtonClass('btn-create')
     else
       $('.ci_widget.ci-error').show()
       @setMergeButtonClass('btn-danger')
@@ -107,4 +128,6 @@ class @MergeRequestWidget
     $('.ci_widget:visible .ci-coverage').text(text)
 
   setMergeButtonClass: (css_class) ->
-    $('.accept_merge_request').removeClass("btn-create").addClass(css_class)
+    $('.accept_merge_request')
+      .removeClass('btn-danger btn-warning btn-create')
+      .addClass(css_class)
diff --git a/app/assets/javascripts/notes.js.coffee b/app/assets/javascripts/notes.js.coffee
index 86e3b860fcb..a67890200dd 100644
--- a/app/assets/javascripts/notes.js.coffee
+++ b/app/assets/javascripts/notes.js.coffee
@@ -163,9 +163,15 @@ class @Notes
     else if @isNewNote(note)
       @note_ids.push(note.id)
 
-      $('ul.main-notes-list')
+      $notesList = $('ul.main-notes-list')
+
+      $notesList
         .append(note.html)
         .syntaxHighlight()
+
+      # Update datetime format on the recent note
+      gl.utils.localTimeAgo($notesList.find("#note_#{note.id} .js-timeago"), false)
+
       @initTaskList()
       @updateNotesCount(1)
 
@@ -217,6 +223,8 @@ class @Notes
       # append new note to all matching discussions
       discussionContainer.append note_html
 
+    gl.utils.localTimeAgo($('.js-timeago', note_html), false)
+
     @updateNotesCount(1)
 
   ###
@@ -345,7 +353,9 @@ class @Notes
   updateNote: (_xhr, note, _status) =>
     # Convert returned HTML to a jQuery object so we can modify it further
     $html = $(note.html)
-    $('.js-timeago', $html).timeago()
+
+    gl.utils.localTimeAgo($('.js-timeago', $html))
+
     $html.syntaxHighlight()
     $html.find('.js-task-list-container').taskList('enable')
 
diff --git a/app/assets/javascripts/profile.js.coffee b/app/assets/javascripts/profile.js.coffee
index ae87c6c4e40..f4a2562885d 100644
--- a/app/assets/javascripts/profile.js.coffee
+++ b/app/assets/javascripts/profile.js.coffee
@@ -18,8 +18,11 @@ class @Profile
       $(this).find('.btn-save').enable()
       $(this).find('.loading-gif').hide()
 
-    $('.update-notifications').on 'ajax:complete', ->
-      $(this).find('.btn-save').enable()
+    $('.update-notifications').on 'ajax:success', (e, data) ->
+      if data.saved
+        new Flash("Notification settings saved", "notice")
+      else
+        new Flash("Failed to save new settings", "alert")
 
     @bindEvents()
 
diff --git a/app/assets/javascripts/project.js.coffee b/app/assets/javascripts/project.js.coffee
index 87d313ed67c..07be85a32a5 100644
--- a/app/assets/javascripts/project.js.coffee
+++ b/app/assets/javascripts/project.js.coffee
@@ -37,19 +37,20 @@ class @Project
     $('.update-notification').on 'click', (e) ->
       e.preventDefault()
       notification_level = $(@).data 'notification-level'
-      $('#notification_level').val(notification_level)
+      label = $(@).data 'notification-title'
+      $('#notification_setting_level').val(notification_level)
       $('#notification-form').submit()
-      label = null
-      switch notification_level
-        when 0 then label = ' Disabled '
-        when 1 then label = ' Participating '
-        when 2 then label = ' Watching '
-        when 3 then label = ' Global '
-        when 4 then label = ' On Mention '
       $('#notifications-button').empty().append("<i class='fa fa-bell'></i>" + label + "<i class='fa fa-angle-down'></i>")
       $(@).parents('ul').find('li.active').removeClass 'active'
       $(@).parent().addClass 'active'
 
+    $('#notification-form').on 'ajax:success', (e, data) ->
+      if data.saved
+        new Flash("Notification settings saved", "notice")
+      else
+        new Flash("Failed to save new settings", "alert")
+
+
     @projectSelectDropdown()
 
   projectSelectDropdown: ->
diff --git a/app/assets/javascripts/project_select.js.coffee b/app/assets/javascripts/project_select.js.coffee
index be8ab9b428d..704bd8dee53 100644
--- a/app/assets/javascripts/project_select.js.coffee
+++ b/app/assets/javascripts/project_select.js.coffee
@@ -1,5 +1,37 @@
 class @ProjectSelect
   constructor: ->
+    $('.js-projects-dropdown-toggle').each (i, dropdown) ->
+      $dropdown = $(dropdown)
+
+      $dropdown.glDropdown(
+        filterable: true
+        filterRemote: true
+        search:
+          fields: ['name_with_namespace']
+        data: (term, callback) ->
+          finalCallback = (projects) ->
+            callback projects
+
+          if @includeGroups
+            projectsCallback = (projects) ->
+              groupsCallback = (groups) ->
+                data = groups.concat(projects)
+                finalCallback(data)
+
+              Api.groups term, false, groupsCallback
+          else
+            projectsCallback = finalCallback
+
+          if @groupId
+            Api.groupProjects @groupId, term, projectsCallback
+          else
+            Api.projects term, @orderBy, projectsCallback
+        url: (project) ->
+          project.web_url
+        text: (project) ->
+          project.name_with_namespace
+      )
+
     $('.ajax-project-select').each (i, select) ->
       @groupId = $(select).data('group-id')
       @includeGroups = $(select).data('include-groups')
diff --git a/app/assets/javascripts/todos.js.coffee b/app/assets/javascripts/todos.js.coffee
index 886da72e261..00d2b641723 100644
--- a/app/assets/javascripts/todos.js.coffee
+++ b/app/assets/javascripts/todos.js.coffee
@@ -59,6 +59,8 @@ class @Todos
 
   goToTodoUrl: (e)->
     todoLink = $(this).data('url')
+    return unless todoLink
+
     if e.metaKey
       e.preventDefault()
       window.open(todoLink,'_blank')
diff --git a/app/assets/stylesheets/framework/header.scss b/app/assets/stylesheets/framework/header.scss
index b3397d16016..3f015427d07 100644
--- a/app/assets/stylesheets/framework/header.scss
+++ b/app/assets/stylesheets/framework/header.scss
@@ -69,6 +69,7 @@ header {
   }
 
   .header-content {
+    position: relative;
     height: $header-height;
     padding-right: 20px;
 
@@ -76,6 +77,10 @@ header {
       padding-right: 0;
     }
 
+    .dropdown-menu {
+      margin-top: -5px;
+    }
+
     .title {
       margin: 0;
       font-size: 19px;
diff --git a/app/assets/stylesheets/framework/nav.scss b/app/assets/stylesheets/framework/nav.scss
index 94f5a12ff6a..192d53b048a 100644
--- a/app/assets/stylesheets/framework/nav.scss
+++ b/app/assets/stylesheets/framework/nav.scss
@@ -58,12 +58,12 @@
 
   .nav-search {
     display: inline-block;
-    width: 50%;
+    width: 100%;
     padding: 11px 0;
 
     /* Small devices (phones, tablets, 768px and lower) */
-    @media (max-width: $screen-sm-min) {
-      width: 100%;
+    @media (min-width: $screen-sm-min) {
+      width: 50%;
     }
   }
 
diff --git a/app/assets/stylesheets/framework/tw_bootstrap.scss b/app/assets/stylesheets/framework/tw_bootstrap.scss
index dd42db1840f..96bab7880c2 100644
--- a/app/assets/stylesheets/framework/tw_bootstrap.scss
+++ b/app/assets/stylesheets/framework/tw_bootstrap.scss
@@ -43,7 +43,6 @@
 @import "bootstrap/modals";
 @import "bootstrap/tooltip";
 @import "bootstrap/popovers";
-@import "bootstrap/carousel";
 
 // Utility classes
 .clearfix {
diff --git a/app/assets/stylesheets/framework/variables.scss b/app/assets/stylesheets/framework/variables.scss
index 1ebbd9b0e57..0b6be86ce6a 100644
--- a/app/assets/stylesheets/framework/variables.scss
+++ b/app/assets/stylesheets/framework/variables.scss
@@ -28,6 +28,7 @@ $gl-link-color:        #3084bb;
 $gl-dark-link-color:   #333;
 $gl-placeholder-color: #8f8f8f;
 $gl-icon-color:        $gl-placeholder-color;
+$gl-grayish-blue:      #7f8fa4;
 $gl-gray:              $gl-text-color;
 $gl-header-color:      $gl-title-color;
 
diff --git a/app/assets/stylesheets/pages/events.scss b/app/assets/stylesheets/pages/events.scss
index c66efe978cd..6fe57c737b3 100644
--- a/app/assets/stylesheets/pages/events.scss
+++ b/app/assets/stylesheets/pages/events.scss
@@ -41,8 +41,17 @@
       word-wrap: break-word;
 
       .md {
-        color: #7f8fa4;
+        color: $gl-grayish-blue;
         font-size: $gl-font-size;
+
+        .label {
+          color: $gl-text-color;
+          font-size: inherit;
+        }
+
+        iframe.twitter-share-button {
+          vertical-align: bottom;
+        }
       }
 
       pre {
diff --git a/app/assets/stylesheets/pages/issuable.scss b/app/assets/stylesheets/pages/issuable.scss
index 88c1b614c74..8b6f37f21b5 100644
--- a/app/assets/stylesheets/pages/issuable.scss
+++ b/app/assets/stylesheets/pages/issuable.scss
@@ -263,6 +263,12 @@
     }
   }
 
+  .dropdown-content {
+    a:hover {
+      color: inherit;
+    }
+  }
+
   .dropdown-menu-toggle {
     width: 100%;
     padding-top: 6px;
diff --git a/app/assets/stylesheets/pages/merge_requests.scss b/app/assets/stylesheets/pages/merge_requests.scss
index b79335eab91..4ef548ffbe7 100644
--- a/app/assets/stylesheets/pages/merge_requests.scss
+++ b/app/assets/stylesheets/pages/merge_requests.scss
@@ -142,6 +142,7 @@
   overflow: hidden;
   font-size: 90%;
   margin: 0 3px;
+  word-break: break-all;
 }
 
 .mr-list {
diff --git a/app/assets/stylesheets/pages/note_form.scss b/app/assets/stylesheets/pages/note_form.scss
index 4d4d508396d..f4da17fadaa 100644
--- a/app/assets/stylesheets/pages/note_form.scss
+++ b/app/assets/stylesheets/pages/note_form.scss
@@ -71,12 +71,24 @@
         border-color: $focus-border-color;
       }
     }
+
+    p {
+      code {
+        white-space: normal;
+      }
+
+      pre {
+        code {
+          white-space: pre;
+        }
+      }
+    }
   }
 }
 
 .discussion-form {
   padding: $gl-padding-top $gl-padding;
-  background-color: #fff;
+  background-color: $white-light;
 }
 
 .note-edit-form {
diff --git a/app/assets/stylesheets/pages/notes.scss b/app/assets/stylesheets/pages/notes.scss
index 7295fe51121..e421a31549a 100644
--- a/app/assets/stylesheets/pages/notes.scss
+++ b/app/assets/stylesheets/pages/notes.scss
@@ -81,9 +81,15 @@ ul.notes {
         @include md-typography;
 
         // On diffs code should wrap nicely and not overflow
-        pre {
+        p {
           code {
-            white-space: pre;
+            white-space: normal;
+          }
+
+          pre {
+            code {
+              white-space: pre;
+            }
           }
         }
 
@@ -112,6 +118,10 @@ ul.notes {
           margin: 10px 0;
         }
       }
+
+      a {
+        word-break: break-all;
+      }
     }
 
     .note-header {
@@ -127,7 +137,7 @@ ul.notes {
     margin-right: 10px;
   }
   .line_content {
-    white-space: pre-wrap;
+    white-space: pre;
   }
 }
 
@@ -145,19 +155,27 @@ ul.notes {
       background: $background-color;
       color: $text-color;
     }
+
     &.notes_line2 {
       text-align: center;
       padding: 10px 0;
       border-left: 1px solid #ddd !important;
     }
+
     &.notes_content {
-      background-color: #fff;
+      background-color: $background-color;
       border-width: 1px 0;
       padding: 0;
       vertical-align: top;
+      white-space: normal;
+
       &.parallel {
         border-width: 1px;
       }
+
+      .notes {
+        background-color: $white-light;
+      }
     }
   }
 }
diff --git a/app/assets/stylesheets/pages/todos.scss b/app/assets/stylesheets/pages/todos.scss
index e83fa9e3d52..75f78569e3c 100644
--- a/app/assets/stylesheets/pages/todos.scss
+++ b/app/assets/stylesheets/pages/todos.scss
@@ -34,6 +34,11 @@
         color: #7f8fa4;
         font-size: $gl-font-size;
 
+        .label {
+          color: $gl-text-color;
+          font-size: inherit;
+        }
+
         p {
           color: #5c5d5e;
         }
diff --git a/app/controllers/groups/notification_settings_controller.rb b/app/controllers/groups/notification_settings_controller.rb
new file mode 100644
index 00000000000..de13b16ccf2
--- /dev/null
+++ b/app/controllers/groups/notification_settings_controller.rb
@@ -0,0 +1,16 @@
+class Groups::NotificationSettingsController < Groups::ApplicationController
+  before_action :authenticate_user!
+
+  def update
+    notification_setting = current_user.notification_settings_for(group)
+    saved = notification_setting.update_attributes(notification_setting_params)
+
+    render json: { saved: saved }
+  end
+
+  private
+
+  def notification_setting_params
+    params.require(:notification_setting).permit(:level)
+  end
+end
diff --git a/app/controllers/omniauth_callbacks_controller.rb b/app/controllers/omniauth_callbacks_controller.rb
index d28e96c3f18..df98f56a1cd 100644
--- a/app/controllers/omniauth_callbacks_controller.rb
+++ b/app/controllers/omniauth_callbacks_controller.rb
@@ -60,6 +60,8 @@ class OmniauthCallbacksController < Devise::OmniauthCallbacksController
 
       continue_login_process
     end
+  rescue Gitlab::OAuth::SignupDisabledError
+    handle_signup_error
   end
 
   def omniauth_error
@@ -92,16 +94,7 @@ class OmniauthCallbacksController < Devise::OmniauthCallbacksController
       continue_login_process
     end
   rescue Gitlab::OAuth::SignupDisabledError
-    label = Gitlab::OAuth::Provider.label_for(oauth['provider'])
-    message = "Signing in using your #{label} account without a pre-existing GitLab account is not allowed."
-
-    if current_application_settings.signup_enabled?
-      message << " Create a GitLab account first, and then connect it to your #{label} account."
-    end
-
-    flash[:notice] = message
-
-    redirect_to new_user_session_path
+    handle_signup_error
   end
 
   def handle_service_ticket provider, ticket
@@ -122,6 +115,19 @@ class OmniauthCallbacksController < Devise::OmniauthCallbacksController
     end
   end
 
+  def handle_signup_error
+    label = Gitlab::OAuth::Provider.label_for(oauth['provider'])
+    message = "Signing in using your #{label} account without a pre-existing GitLab account is not allowed."
+
+    if current_application_settings.signup_enabled?
+      message << " Create a GitLab account first, and then connect it to your #{label} account."
+    end
+
+    flash[:notice] = message
+
+    redirect_to new_user_session_path
+  end
+
   def oauth
     @oauth ||= request.env['omniauth.auth']
   end
diff --git a/app/controllers/profiles/notifications_controller.rb b/app/controllers/profiles/notifications_controller.rb
index 1fd1d6882df..18ee55c839a 100644
--- a/app/controllers/profiles/notifications_controller.rb
+++ b/app/controllers/profiles/notifications_controller.rb
@@ -1,39 +1,18 @@
 class Profiles::NotificationsController < Profiles::ApplicationController
   def show
     @user = current_user
-    @notification = current_user.notification
-    @project_members = current_user.project_members
-    @group_members = current_user.group_members
+    @group_notifications = current_user.notification_settings.for_groups
+    @project_notifications = current_user.notification_settings.for_projects
   end
 
   def update
-    type = params[:notification_type]
-
-    @saved = if type == 'global'
-               current_user.update_attributes(user_params)
-             elsif type == 'group'
-               group_member = current_user.group_members.find(params[:notification_id])
-               group_member.notification_level = params[:notification_level]
-               group_member.save
-             else
-               project_member = current_user.project_members.find(params[:notification_id])
-               project_member.notification_level = params[:notification_level]
-               project_member.save
-             end
-
-    respond_to do |format|
-      format.html do
-        if @saved
-          flash[:notice] = "Notification settings saved"
-        else
-          flash[:alert] = "Failed to save new settings"
-        end
-
-        redirect_back_or_default(default: profile_notifications_path)
-      end
-
-      format.js
+    if current_user.update_attributes(user_params)
+      flash[:notice] = "Notification settings saved"
+    else
+      flash[:alert] = "Failed to save new settings"
     end
+
+    redirect_back_or_default(default: profile_notifications_path)
   end
 
   def user_params
diff --git a/app/controllers/projects/merge_requests_controller.rb b/app/controllers/projects/merge_requests_controller.rb
index ae613f5e093..3e0cfc6aa65 100644
--- a/app/controllers/projects/merge_requests_controller.rb
+++ b/app/controllers/projects/merge_requests_controller.rb
@@ -237,6 +237,8 @@ class Projects::MergeRequestsController < Projects::ApplicationController
       end
     end
 
+    status = "preparing" if status.nil?
+
     response = {
       title: merge_request.title,
       sha: merge_request.last_commit_short_sha,
diff --git a/app/controllers/projects/notification_settings_controller.rb b/app/controllers/projects/notification_settings_controller.rb
new file mode 100644
index 00000000000..7d81cc03c73
--- /dev/null
+++ b/app/controllers/projects/notification_settings_controller.rb
@@ -0,0 +1,16 @@
+class Projects::NotificationSettingsController < Projects::ApplicationController
+  before_action :authenticate_user!
+
+  def update
+    notification_setting = current_user.notification_settings_for(project)
+    saved = notification_setting.update_attributes(notification_setting_params)
+
+    render json: { saved: saved }
+  end
+
+  private
+
+  def notification_setting_params
+    params.require(:notification_setting).permit(:level)
+  end
+end
diff --git a/app/controllers/projects/repositories_controller.rb b/app/controllers/projects/repositories_controller.rb
index 5c7614cfbaf..bb7a6b6a5ab 100644
--- a/app/controllers/projects/repositories_controller.rb
+++ b/app/controllers/projects/repositories_controller.rb
@@ -11,7 +11,6 @@ class Projects::RepositoriesController < Projects::ApplicationController
   end
 
   def archive
-    RepositoryArchiveCacheWorker.perform_async
     headers.store(*Gitlab::Workhorse.send_git_archive(@project, params[:ref], params[:format]))
     head :ok
   rescue => ex
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 3cc37e59855..3768efe142a 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -101,14 +101,18 @@ class ProjectsController < Projects::ApplicationController
 
     respond_to do |format|
       format.html do
+        if current_user
+          @membership = @project.team.find_member(current_user.id)
+
+          if @membership
+            @notification_setting = current_user.notification_settings_for(@project)
+          end
+        end
+
         if @project.repository_exists?
           if @project.empty_repo?
             render 'projects/empty'
           else
-            if current_user
-              @membership = @project.team.find_member(current_user.id)
-            end
-
             render :show
           end
         else
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index e6ceb213532..16e5b8ac223 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -184,7 +184,7 @@ module ApplicationHelper
     element = content_tag :time, time.to_s,
       class: "#{html_class} js-timeago #{"js-timeago-pending" unless skip_js}",
       datetime: time.to_time.getutc.iso8601,
-      title: time.in_time_zone.to_s(:medium),
+      title: time.to_time.in_time_zone.to_s(:medium),
       data: { toggle: 'tooltip', placement: placement, container: 'body' }
 
     unless skip_js
diff --git a/app/helpers/notifications_helper.rb b/app/helpers/notifications_helper.rb
index 499c655d2bf..54ab9179efc 100644
--- a/app/helpers/notifications_helper.rb
+++ b/app/helpers/notifications_helper.rb
@@ -1,48 +1,48 @@
 module NotificationsHelper
   include IconsHelper
 
-  def notification_icon(notification)
-    if notification.disabled?
-      icon('volume-off', class: 'ns-mute')
-    elsif notification.participating?
-      icon('volume-down', class: 'ns-part')
-    elsif notification.watch?
-      icon('volume-up', class: 'ns-watch')
-    else
-      icon('circle-o', class: 'ns-default')
+  def notification_icon_class(level)
+    case level.to_sym
+    when :disabled
+      'microphone-slash'
+    when :participating
+      'volume-up'
+    when :watch
+      'eye'
+    when :mention
+      'at'
+    when :global
+      'globe'
     end
   end
 
-  def notification_list_item(notification_level, user_membership)
-    case notification_level
-    when Notification::N_DISABLED
-      update_notification_link(Notification::N_DISABLED, user_membership, 'Disabled', 'microphone-slash')
-    when Notification::N_PARTICIPATING
-      update_notification_link(Notification::N_PARTICIPATING, user_membership, 'Participate', 'volume-up')
-    when Notification::N_WATCH
-      update_notification_link(Notification::N_WATCH, user_membership, 'Watch', 'eye')
-    when Notification::N_MENTION
-      update_notification_link(Notification::N_MENTION, user_membership, 'On mention', 'at')
-    when Notification::N_GLOBAL
-      update_notification_link(Notification::N_GLOBAL, user_membership, 'Global', 'globe')
-    else
-      # do nothing
-    end
+  def notification_icon(level, text = nil)
+    icon("#{notification_icon_class(level)} fw", text: text)
   end
 
-  def update_notification_link(notification_level, user_membership, title, icon)
-    content_tag(:li, class: active_level_for(user_membership, notification_level)) do
-      link_to '#', class: 'update-notification', data: { notification_level: notification_level } do
-        icon("#{icon} fw", text: title)
-      end
+  def notification_title(level)
+    case level.to_sym
+    when :participating
+      'Participate'
+    when :mention
+      'On mention'
+    else
+      level.to_s.titlecase
     end
   end
 
-  def notification_label(user_membership)
-    Notification.new(user_membership).to_s
-  end
+  def notification_list_item(level, setting)
+    title = notification_title(level)
+
+    data = {
+      notification_level: level,
+      notification_title: title
+    }
 
-  def active_level_for(user_membership, level)
-    'active' if user_membership.notification_level == level
+    content_tag(:li, class: ('active' if setting.level == level)) do
+      link_to '#', class: 'update-notification', data: data do
+        notification_icon(level, title)
+      end
+    end
   end
 end
diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index 4e4c6e301d5..7e00aacceaa 100644
--- a/app/helpers/projects_helper.rb
+++ b/app/helpers/projects_helper.rb
@@ -65,21 +65,14 @@ module ProjectsHelper
         link_to(simple_sanitize(owner.name), user_path(owner))
       end
 
-    project_link = link_to project_path(project), { class: "project-item-select-holder" } do
-      link_output = simple_sanitize(project.name)
+    project_link = link_to simple_sanitize(project.name), project_path(project), { class: "project-item-select-holder" }
 
-      if current_user
-        link_output += project_select_tag :project_path,
-          class: "project-item-select js-projects-dropdown",
-          data: { include_groups: false, order_by: 'last_activity_at' }
-      end
-
-      link_output
+    if current_user
+      project_link << icon("chevron-down", class: "dropdown-toggle-caret js-projects-dropdown-toggle", data: { target: ".js-dropdown-menu-projects", toggle: "dropdown" })
     end
-    project_link += icon "chevron-down", class: "dropdown-toggle-caret js-projects-dropdown-toggle" if current_user
 
-    full_title = namespace_link + ' / ' + project_link
-    full_title += ' &middot; '.html_safe + link_to(simple_sanitize(name), url) if name
+    full_title = "#{namespace_link} / #{project_link}".html_safe
+    full_title << ' &middot; '.html_safe << link_to(simple_sanitize(name), url) if name
 
     full_title
   end
diff --git a/app/helpers/todos_helper.rb b/app/helpers/todos_helper.rb
index edc5686cf08..2f066682180 100644
--- a/app/helpers/todos_helper.rb
+++ b/app/helpers/todos_helper.rb
@@ -20,6 +20,8 @@ module TodosHelper
   end
 
   def todo_target_path(todo)
+    return unless todo.target.present?
+
     anchor = dom_id(todo.note) if todo.note.present?
 
     if todo.for_commit?
diff --git a/app/models/commit.rb b/app/models/commit.rb
index d09876a07d9..11ecfcace14 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -150,13 +150,11 @@ class Commit
   end
 
   def hook_attrs(with_changed_files: false)
-    path_with_namespace = project.path_with_namespace
-
     data = {
       id: id,
       message: safe_message,
       timestamp: committed_date.xmlschema,
-      url: "#{Gitlab.config.gitlab.url}/#{path_with_namespace}/commit/#{id}",
+      url: commit_url,
       author: {
         name: author_name,
         email: author_email
@@ -170,6 +168,10 @@ class Commit
     data
   end
 
+  def commit_url
+    project.present? ? "#{Gitlab.config.gitlab.url}/#{project.path_with_namespace}/commit/#{id}" : ""
+  end
+
   # Discover issues should be closed when this commit is pushed to a project's
   # default branch.
   def closes_issues(current_user = self.committer)
diff --git a/app/models/concerns/notifiable.rb b/app/models/concerns/notifiable.rb
deleted file mode 100644
index d7dcd97911d..00000000000
--- a/app/models/concerns/notifiable.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-# == Notifiable concern
-#
-# Contains notification functionality
-#
-module Notifiable
-  extend ActiveSupport::Concern
-
-  included do
-    validates :notification_level, inclusion: { in: Notification.project_notification_levels }, presence: true
-  end
-
-  def notification
-    @notification ||= Notification.new(self)
-  end
-end
diff --git a/app/models/group.rb b/app/models/group.rb
index b332601c59b..9a04ac70d35 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -27,6 +27,7 @@ class Group < Namespace
   has_many :users, through: :group_members
   has_many :project_group_links, dependent: :destroy
   has_many :shared_projects, through: :project_group_links, source: :project
+  has_many :notification_settings, dependent: :destroy, as: :source
 
   validate :avatar_type, if: ->(user) { user.avatar.present? && user.avatar_changed? }
   validate :visibility_level_allowed_by_projects
diff --git a/app/models/member.rb b/app/models/member.rb
index ca08007b7eb..60efafef211 100644
--- a/app/models/member.rb
+++ b/app/models/member.rb
@@ -19,7 +19,6 @@
 
 class Member < ActiveRecord::Base
   include Sortable
-  include Notifiable
   include Gitlab::Access
 
   attr_accessor :raw_invite_token
@@ -56,12 +55,15 @@ class Member < ActiveRecord::Base
 
   before_validation :generate_invite_token, on: :create, if: -> (member) { member.invite_email.present? }
   after_create :send_invite, if: :invite?
+  after_create :create_notification_setting, unless: :invite?
   after_create :post_create_hook, unless: :invite?
   after_update :post_update_hook, unless: :invite?
   after_destroy :post_destroy_hook, unless: :invite?
 
   delegate :name, :username, :email, to: :user, prefix: true
 
+  default_value_for :notification_level, NotificationSetting.levels[:global]
+
   class << self
     def find_by_invite_token(invite_token)
       invite_token = Devise.token_generator.digest(self, :invite_token, invite_token)
@@ -160,6 +162,14 @@ class Member < ActiveRecord::Base
     send_invite
   end
 
+  def create_notification_setting
+    user.notification_settings.find_or_create_for(source)
+  end
+
+  def notification_setting
+    @notification_setting ||= user.notification_settings_for(source)
+  end
+
   private
 
   def send_invite
diff --git a/app/models/members/group_member.rb b/app/models/members/group_member.rb
index 65d2ea00570..9fb474a1a93 100644
--- a/app/models/members/group_member.rb
+++ b/app/models/members/group_member.rb
@@ -24,7 +24,6 @@ class GroupMember < Member
 
   # Make sure group member points only to group as it source
   default_value_for :source_type, SOURCE_TYPE
-  default_value_for :notification_level, Notification::N_GLOBAL
   validates_format_of :source_type, with: /\ANamespace\z/
   default_scope { where(source_type: SOURCE_TYPE) }
 
diff --git a/app/models/members/project_member.rb b/app/models/members/project_member.rb
index 560d1690e14..07ddb02ae9d 100644
--- a/app/models/members/project_member.rb
+++ b/app/models/members/project_member.rb
@@ -27,7 +27,6 @@ class ProjectMember < Member
 
   # Make sure project member points only to project as it source
   default_value_for :source_type, SOURCE_TYPE
-  default_value_for :notification_level, Notification::N_GLOBAL
   validates_format_of :source_type, with: /\AProject\z/
   default_scope { where(source_type: SOURCE_TYPE) }
 
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index bf185cb5dd8..e410febdfff 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -128,7 +128,7 @@ class MergeRequest < ActiveRecord::Base
   validates :target_project, presence: true
   validates :target_branch, presence: true
   validates :merge_user, presence: true, if: :merge_when_build_succeeds?
-  validate :validate_branches
+  validate :validate_branches, unless: :allow_broken
   validate :validate_fork
 
   scope :by_branch, ->(branch_name) { where("(source_branch LIKE :branch) OR (target_branch LIKE :branch)", branch: branch_name) }
@@ -218,7 +218,7 @@ class MergeRequest < ActiveRecord::Base
     end
 
     if opened? || reopened?
-      similar_mrs = self.target_project.merge_requests.where(source_branch: source_branch, target_branch: target_branch, source_project_id: source_project.id).opened
+      similar_mrs = self.target_project.merge_requests.where(source_branch: source_branch, target_branch: target_branch, source_project_id: source_project.try(:id)).opened
       similar_mrs = similar_mrs.where('id not in (?)', self.id) if self.id
       if similar_mrs.any?
         errors.add :validate_branches,
@@ -345,7 +345,7 @@ class MergeRequest < ActiveRecord::Base
 
   def hook_attrs
     attrs = {
-      source: source_project.hook_attrs,
+      source: source_project.try(:hook_attrs),
       target: target_project.hook_attrs,
       last_commit: nil,
       work_in_progress: work_in_progress?
diff --git a/app/models/notification.rb b/app/models/notification.rb
deleted file mode 100644
index 171b8df45c2..00000000000
--- a/app/models/notification.rb
+++ /dev/null
@@ -1,77 +0,0 @@
-class Notification
-  #
-  # Notification levels
-  #
-  N_DISABLED = 0
-  N_PARTICIPATING = 1
-  N_WATCH = 2
-  N_GLOBAL = 3
-  N_MENTION = 4
-
-  attr_accessor :target
-
-  class << self
-    def notification_levels
-      [N_DISABLED, N_MENTION, N_PARTICIPATING, N_WATCH]
-    end
-
-    def options_with_labels
-      {
-        disabled: N_DISABLED,
-        participating: N_PARTICIPATING,
-        watch: N_WATCH,
-        mention: N_MENTION,
-        global: N_GLOBAL
-      }
-    end
-
-    def project_notification_levels
-      [N_DISABLED, N_MENTION, N_PARTICIPATING, N_WATCH, N_GLOBAL]
-    end
-  end
-
-  def initialize(target)
-    @target = target
-  end
-
-  def disabled?
-    target.notification_level == N_DISABLED
-  end
-
-  def participating?
-    target.notification_level == N_PARTICIPATING
-  end
-
-  def watch?
-    target.notification_level == N_WATCH
-  end
-
-  def global?
-    target.notification_level == N_GLOBAL
-  end
-
-  def mention?
-    target.notification_level == N_MENTION
-  end
-
-  def level
-    target.notification_level
-  end
-  
-  def to_s
-    case level
-    when N_DISABLED
-      'Disabled'
-    when N_PARTICIPATING
-      'Participating'
-    when N_WATCH
-      'Watching'
-    when N_MENTION
-      'On mention'
-    when N_GLOBAL
-      'Global'
-    else
-      # do nothing      
-    end
-  end
-end
diff --git a/app/models/notification_setting.rb b/app/models/notification_setting.rb
new file mode 100644
index 00000000000..5001738f411
--- /dev/null
+++ b/app/models/notification_setting.rb
@@ -0,0 +1,28 @@
+class NotificationSetting < ActiveRecord::Base
+  enum level: { disabled: 0,  participating: 1,  watch: 2,  global: 3, mention: 4 }
+
+  default_value_for :level, NotificationSetting.levels[:global]
+
+  belongs_to :user
+  belongs_to :source, polymorphic: true
+
+  validates :user, presence: true
+  validates :source, presence: true
+  validates :level, presence: true
+  validates :user_id, uniqueness: { scope: [:source_type, :source_id],
+                                    message: "already exists in source",
+                                    allow_nil: true }
+
+  scope :for_groups, -> { where(source_type: 'Namespace') }
+  scope :for_projects, -> { where(source_type: 'Project') }
+
+  def self.find_or_create_for(source)
+    setting = find_or_initialize_by(source: source)
+
+    unless setting.persisted?
+      setting.save
+    end
+
+    setting
+  end
+end
diff --git a/app/models/project.rb b/app/models/project.rb
index 3e1f04b4158..fadc8bb2c9e 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -154,6 +154,7 @@ class Project < ActiveRecord::Base
   has_many :project_group_links, dependent: :destroy
   has_many :invited_groups, through: :project_group_links, source: :group
   has_many :todos, dependent: :destroy
+  has_many :notification_settings, dependent: :destroy, as: :source
 
   has_one :import_data, dependent: :destroy, class_name: "ProjectImportData"
 
@@ -388,9 +389,15 @@ class Project < ActiveRecord::Base
 
   def add_import_job
     if forked?
-      RepositoryForkWorker.perform_async(self.id, forked_from_project.path_with_namespace, self.namespace.path)
+      job_id = RepositoryForkWorker.perform_async(self.id, forked_from_project.path_with_namespace, self.namespace.path)
     else
-      RepositoryImportWorker.perform_async(self.id)
+      job_id = RepositoryImportWorker.perform_async(self.id)
+    end
+
+    if job_id
+      Rails.logger.info "Import job started for #{path_with_namespace} with job ID #{job_id}"
+    else
+      Rails.logger.error "Import job failed to start for #{path_with_namespace}"
     end
   end
 
diff --git a/app/models/repository.rb b/app/models/repository.rb
index 462b48118ef..0b2289cfa39 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -253,6 +253,8 @@ class Repository
     # This ensures this particular cache is flushed after the first commit to a
     # new repository.
     expire_emptiness_caches if empty?
+    expire_branch_count_cache
+    expire_tag_count_cache
   end
 
   def expire_branch_cache(branch_name = nil)
diff --git a/app/models/user.rb b/app/models/user.rb
index 2b0bee2099f..031315debd7 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -143,6 +143,7 @@ class User < ActiveRecord::Base
   has_many :spam_logs,                dependent: :destroy
   has_many :builds,                   dependent: :nullify, class_name: 'Ci::Build'
   has_many :todos,                    dependent: :destroy
+  has_many :notification_settings,    dependent: :destroy
 
   #
   # Validations
@@ -157,7 +158,7 @@ class User < ActiveRecord::Base
     presence: true,
     uniqueness: { case_sensitive: false }
 
-  validates :notification_level, inclusion: { in: Notification.notification_levels }, presence: true
+  validates :notification_level, presence: true
   validate :namespace_uniq, if: ->(user) { user.username_changed? }
   validate :avatar_type, if: ->(user) { user.avatar.present? && user.avatar_changed? }
   validate :unique_email, if: ->(user) { user.email_changed? }
@@ -190,6 +191,13 @@ class User < ActiveRecord::Base
   # Note: When adding an option, it MUST go on the end of the array.
   enum project_view: [:readme, :activity, :files]
 
+  # Notification level
+  # Note: When adding an option, it MUST go on the end of the array.
+  #
+  # TODO: Add '_prefix: :notification' to enum when update to Rails 5. https://github.com/rails/rails/pull/19813
+  # Because user.notification_disabled? is much better than user.disabled?
+  enum notification_level: [:disabled, :participating, :watch, :global, :mention]
+
   alias_attribute :private_token, :authentication_token
 
   delegate :path, to: :namespace, allow_nil: true, prefix: true
@@ -349,10 +357,6 @@ class User < ActiveRecord::Base
     "#{self.class.reference_prefix}#{username}"
   end
 
-  def notification
-    @notification ||= Notification.new(self)
-  end
-
   def generate_password
     if self.force_random_password
       self.password = self.password_confirmation = Devise.friendly_token.first(8)
@@ -827,6 +831,10 @@ class User < ActiveRecord::Base
     end
   end
 
+  def notification_settings_for(source)
+    notification_settings.find_or_initialize_by(source: source)
+  end
+
   private
 
   def projects_union
diff --git a/app/services/notification_service.rb b/app/services/notification_service.rb
index eff0d96f93d..42ec1ac9e1a 100644
--- a/app/services/notification_service.rb
+++ b/app/services/notification_service.rb
@@ -253,8 +253,8 @@ class NotificationService
   def project_watchers(project)
     project_members = project_member_notification(project)
 
-    users_with_project_level_global = project_member_notification(project, Notification::N_GLOBAL)
-    users_with_group_level_global = group_member_notification(project, Notification::N_GLOBAL)
+    users_with_project_level_global = project_member_notification(project, :global)
+    users_with_group_level_global = group_member_notification(project, :global)
     users = users_with_global_level_watch([users_with_project_level_global, users_with_group_level_global].flatten.uniq)
 
     users_with_project_setting = select_project_member_setting(project, users_with_project_level_global, users)
@@ -264,18 +264,16 @@ class NotificationService
   end
 
   def project_member_notification(project, notification_level=nil)
-    project_members = project.project_members
-
     if notification_level
-      project_members.where(notification_level: notification_level).pluck(:user_id)
+      project.notification_settings.where(level: NotificationSetting.levels[notification_level]).pluck(:user_id)
     else
-      project_members.pluck(:user_id)
+      project.notification_settings.pluck(:user_id)
     end
   end
 
   def group_member_notification(project, notification_level)
     if project.group
-      project.group.group_members.where(notification_level: notification_level).pluck(:user_id)
+      project.group.notification_settings.where(level: NotificationSetting.levels[notification_level]).pluck(:user_id)
     else
       []
     end
@@ -284,13 +282,13 @@ class NotificationService
   def users_with_global_level_watch(ids)
     User.where(
       id: ids,
-      notification_level: Notification::N_WATCH
+      notification_level: NotificationSetting.levels[:watch]
     ).pluck(:id)
   end
 
   # Build a list of users based on project notifcation settings
   def select_project_member_setting(project, global_setting, users_global_level_watch)
-    users = project_member_notification(project, Notification::N_WATCH)
+    users = project_member_notification(project, :watch)
 
     # If project setting is global, add to watch list if global setting is watch
     global_setting.each do |user_id|
@@ -304,7 +302,7 @@ class NotificationService
 
   # Build a list of users based on group notification settings
   def select_group_member_setting(project, project_members, global_setting, users_global_level_watch)
-    uids = group_member_notification(project, Notification::N_WATCH)
+    uids = group_member_notification(project, :watch)
 
     # Group setting is watch, add to users list if user is not project member
     users = []
@@ -331,40 +329,46 @@ class NotificationService
   # Remove users with disabled notifications from array
   # Also remove duplications and nil recipients
   def reject_muted_users(users, project = nil)
-    reject_users(users, :disabled?, project)
+    reject_users(users, :disabled, project)
   end
 
   # Remove users with notification level 'Mentioned'
   def reject_mention_users(users, project = nil)
-    reject_users(users, :mention?, project)
+    reject_users(users, :mention, project)
   end
 
-  # Reject users which method_name from notification object returns true.
+  # Reject users which has certain notification level
   #
   # Example:
-  #   reject_users(users, :watch?, project)
+  #   reject_users(users, :watch, project)
   #
-  def reject_users(users, method_name, project = nil)
+  def reject_users(users, level, project = nil)
+    level = level.to_s
+
+    unless NotificationSetting.levels.keys.include?(level)
+      raise 'Invalid notification level'
+    end
+
     users = users.to_a.compact.uniq
     users = users.reject(&:blocked?)
 
     users.reject do |user|
-      next user.notification.send(method_name) unless project
+      next user.notification_level == level unless project
 
-      member = project.project_members.find_by(user_id: user.id)
+      setting = user.notification_settings_for(project)
 
-      if !member && project.group
-        member = project.group.group_members.find_by(user_id: user.id)
+      if !setting && project.group
+        setting = user.notification_settings_for(project.group)
       end
 
-      # reject users who globally set mention notification and has no membership
-      next user.notification.send(method_name) unless member
+      # reject users who globally set mention notification and has no setting per project/group
+      next user.notification_level == level unless setting
 
       # reject users who set mention notification in project
-      next true if member.notification.send(method_name)
+      next true if setting.level == level
 
-      # reject users who have N_MENTION in project and disabled in global settings
-      member.notification.global? && user.notification.send(method_name)
+      # reject users who have mention level in project and disabled in global settings
+      setting.global? && user.notification_level == level
     end
   end
 
diff --git a/app/services/projects/housekeeping_service.rb b/app/services/projects/housekeeping_service.rb
index a0973c5d260..3b7c36f0908 100644
--- a/app/services/projects/housekeeping_service.rb
+++ b/app/services/projects/housekeeping_service.rb
@@ -26,7 +26,9 @@ module Projects
 
       GitlabShellOneShotWorker.perform_async(:gc, @project.path_with_namespace)
     ensure
-      @project.update_column(:pushes_since_gc, 0)
+      Gitlab::Metrics.measure(:reset_pushes_since_gc) do
+        @project.update_column(:pushes_since_gc, 0)
+      end
     end
 
     def needed?
@@ -34,14 +36,18 @@ module Projects
     end
 
     def increment!
-      @project.increment!(:pushes_since_gc)
+      Gitlab::Metrics.measure(:increment_pushes_since_gc) do
+        @project.increment!(:pushes_since_gc)
+      end
     end
 
     private
 
     def try_obtain_lease
-      lease = ::Gitlab::ExclusiveLease.new("project_housekeeping:#{@project.id}", timeout: LEASE_TIMEOUT)
-      lease.try_obtain
+      Gitlab::Metrics.measure(:obtain_housekeeping_lease) do
+        lease = ::Gitlab::ExclusiveLease.new("project_housekeeping:#{@project.id}", timeout: LEASE_TIMEOUT)
+        lease.try_obtain
+      end
     end
   end
 end
diff --git a/app/views/layouts/header/_default.html.haml b/app/views/layouts/header/_default.html.haml
index 0f3b8119379..44339293095 100644
--- a/app/views/layouts/header/_default.html.haml
+++ b/app/views/layouts/header/_default.html.haml
@@ -45,6 +45,8 @@
 
       %h1.title= title
 
+      = yield :header_content
+
 = render 'shared/outdated_browser'
 
 - if @project && !@project.empty_repo?
diff --git a/app/views/layouts/project.html.haml b/app/views/layouts/project.html.haml
index a7ef31acd3d..6dfe7fbdae8 100644
--- a/app/views/layouts/project.html.haml
+++ b/app/views/layouts/project.html.haml
@@ -17,4 +17,12 @@
 - content_for :scripts_body do
   = render "layouts/init_auto_complete" if current_user
 
+- content_for :header_content do
+  .js-dropdown-menu-projects
+    .dropdown-menu.dropdown-select.dropdown-menu-projects
+      = dropdown_title("Go to a project")
+      = dropdown_filter("Search your projects")
+      = dropdown_content
+      = dropdown_loading
+
 = render template: "layouts/application"
diff --git a/app/views/profiles/notifications/_group_settings.html.haml b/app/views/profiles/notifications/_group_settings.html.haml
new file mode 100644
index 00000000000..89ae7ffda2b
--- /dev/null
+++ b/app/views/profiles/notifications/_group_settings.html.haml
@@ -0,0 +1,13 @@
+%li.notification-list-item
+  %span.notification.fa.fa-holder.append-right-5
+    - if setting.global?
+      = notification_icon(current_user.notification_level)
+    - else
+      = notification_icon(setting.level)
+
+  %span.str-truncated
+    = link_to group.name, group_path(group)
+
+  .pull-right
+    = form_for [group, setting], remote: true, html: { class: 'update-notifications' } do |f|
+      = f.select :level, NotificationSetting.levels.keys, {}, class: 'form-control trigger-submit'
diff --git a/app/views/profiles/notifications/_project_settings.html.haml b/app/views/profiles/notifications/_project_settings.html.haml
new file mode 100644
index 00000000000..17c097154da
--- /dev/null
+++ b/app/views/profiles/notifications/_project_settings.html.haml
@@ -0,0 +1,13 @@
+%li.notification-list-item
+  %span.notification.fa.fa-holder.append-right-5
+    - if setting.global?
+      = notification_icon(current_user.notification_level)
+    - else
+      = notification_icon(setting.level)
+
+  %span.str-truncated
+    = link_to_project(project)
+
+  .pull-right
+    = form_for [project.namespace.becomes(Namespace), project, setting], remote: true, html: { class: 'update-notifications' } do |f|
+      = f.select :level, NotificationSetting.levels.keys, {}, class: 'form-control trigger-submit'
diff --git a/app/views/profiles/notifications/_settings.html.haml b/app/views/profiles/notifications/_settings.html.haml
deleted file mode 100644
index d0d044136f6..00000000000
--- a/app/views/profiles/notifications/_settings.html.haml
+++ /dev/null
@@ -1,17 +0,0 @@
-%li.notification-list-item
-  %span.notification.fa.fa-holder.append-right-5
-    - if notification.global?
-      = notification_icon(@notification)
-    - else
-      = notification_icon(notification)
-
-  %span.str-truncated
-    - if membership.kind_of? GroupMember
-      = link_to membership.group.name, membership.group
-    - else
-      = link_to_project(membership.project)
-  .pull-right
-    = form_tag profile_notifications_path, method: :put, remote: true, class: 'update-notifications' do
-      = hidden_field_tag :notification_type, type, id: dom_id(membership, 'notification_type')
-      = hidden_field_tag :notification_id, membership.id, id: dom_id(membership, 'notification_id')
-      = select_tag :notification_level, options_for_select(Notification.options_with_labels, notification.level), class: 'form-control trigger-submit'
diff --git a/app/views/profiles/notifications/show.html.haml b/app/views/profiles/notifications/show.html.haml
index 6609295a2a5..a2a505c082b 100644
--- a/app/views/profiles/notifications/show.html.haml
+++ b/app/views/profiles/notifications/show.html.haml
@@ -1,8 +1,12 @@
 - page_title "Notifications"
 - header_title page_title, profile_notifications_path
 
-= form_for @user, url: profile_notifications_path, method: :put, html: { class: 'update-notifications prepend-top-default' } do |f|
-  = form_errors(@user)
+%div
+  - if @user.errors.any?
+    %div.alert.alert-danger
+      %ul
+        - @user.errors.full_messages.each do |msg|
+          %li= msg
 
   = hidden_field_tag :notification_type, 'global'
   .row
@@ -16,56 +20,55 @@
     .col-lg-9
       %h5
         Global notification settings
-      .form-group
-        = f.label :notification_email, class: "label-light"
-        = f.select :notification_email, @user.all_emails, { include_blank: false }, class: "select2"
-      .form-group
-        = f.label :notification_level, class: 'label-light'
-        .radio
-          = f.label :notification_level, value: Notification::N_DISABLED do
-            = f.radio_button :notification_level, Notification::N_DISABLED
-            .level-title
-              Disabled
-            %p You will not get any notifications via email
 
-        .radio
-          = f.label :notification_level, value: Notification::N_MENTION do
-            = f.radio_button :notification_level, Notification::N_MENTION
-            .level-title
-              On Mention
-            %p You will receive notifications only for comments in which you were @mentioned
+      = form_for @user, url: profile_notifications_path, method: :put, html: { class: 'update-notifications prepend-top-default' } do |f|
+        .form-group
+          = f.label :notification_email, class: "label-light"
+          = f.select :notification_email, @user.all_emails, { include_blank: false }, class: "select2"
+        .form-group
+          = f.label :notification_level, class: 'label-light'
+          .radio
+            = f.label :notification_level, value: :disabled do
+              = f.radio_button :notification_level, :disabled
+              .level-title
+                Disabled
+              %p You will not get any notifications via email
 
-        .radio
-          = f.label :notification_level, value: Notification::N_PARTICIPATING do
-            = f.radio_button :notification_level, Notification::N_PARTICIPATING
-            .level-title
-              Participating
-            %p You will only receive notifications from related resources (e.g. from your commits or assigned issues)
+          .radio
+            = f.label :notification_level, value: :mention do
+              = f.radio_button :notification_level, :mention
+              .level-title
+                On Mention
+              %p You will receive notifications only for comments in which you were @mentioned
 
-        .radio
-          = f.label :notification_level, value: Notification::N_WATCH do
-            = f.radio_button :notification_level, Notification::N_WATCH
-            .level-title
-              Watch
-            %p You will receive notifications for any activity
+          .radio
+            = f.label :notification_level, value: :participating do
+              = f.radio_button :notification_level, :participating
+              .level-title
+                Participating
+              %p You will only receive notifications from related resources (e.g. from your commits or assigned issues)
 
-      .prepend-top-default
-        = f.submit 'Update settings', class: "btn btn-create"
+          .radio
+            = f.label :notification_level, value: :watch do
+              = f.radio_button :notification_level, :watch
+              .level-title
+                Watch
+              %p You will receive notifications for any activity
+
+        .prepend-top-default
+          = f.submit 'Update settings', class: "btn btn-create"
       %hr
-.col-lg-9.col-lg-push-3
-  %h5
-    Groups (#{@group_members.count})
-  %div
-    %ul.bordered-list
-      - @group_members.each do |group_member|
-        - notification = Notification.new(group_member)
-        = render 'settings', type: 'group', membership: group_member, notification: notification
-  %h5
-    Projects (#{@project_members.count})
-  %p.account-well
-    To specify the notification level per project of a group you belong to, you need to be a member of the project itself, not only its group.
-  .append-bottom-default
-    %ul.bordered-list
-      - @project_members.each do |project_member|
-        - notification = Notification.new(project_member)
-        = render 'settings', type: 'project', membership: project_member, notification: notification
+      %h5
+        Groups (#{@group_notifications.count})
+      %div
+        %ul.bordered-list
+          - @group_notifications.each do |setting|
+            = render 'group_settings', setting: setting, group: setting.source
+      %h5
+        Projects (#{@project_notifications.count})
+      %p.account-well
+        To specify the notification level per project of a group you belong to, you need to visit project page and change notification level there.
+      .append-bottom-default
+        %ul.bordered-list
+          - @project_notifications.each do |setting|
+            = render 'project_settings', setting: setting, project: setting.source
diff --git a/app/views/profiles/notifications/update.js.haml b/app/views/profiles/notifications/update.js.haml
deleted file mode 100644
index 84c6ab25599..00000000000
--- a/app/views/profiles/notifications/update.js.haml
+++ /dev/null
@@ -1,6 +0,0 @@
-- if @saved
-  :plain
-    new Flash("Notification settings saved", "notice")
-- else
-  :plain
-    new Flash("Failed to save new settings", "alert")
diff --git a/app/views/projects/buttons/_notifications.html.haml b/app/views/projects/buttons/_notifications.html.haml
index a3786c35a1f..c1e3e5b73a2 100644
--- a/app/views/projects/buttons/_notifications.html.haml
+++ b/app/views/projects/buttons/_notifications.html.haml
@@ -1,20 +1,11 @@
-- case @membership
-- when ProjectMember
-  = form_tag profile_notifications_path, method: :put, remote: true, class: 'inline', id: 'notification-form' do
-    = hidden_field_tag :notification_type, 'project'
-    = hidden_field_tag :notification_id, @membership.id
-    = hidden_field_tag :notification_level
+- if @notification_setting
+  = form_for @notification_setting, url: namespace_project_notification_setting_path(@project.namespace.becomes(Namespace), @project), method: :patch, remote: true, html: { class: 'inline', id: 'notification-form' } do |f|
+    = f.hidden_field :level
     %span.dropdown
       %a.dropdown-new.btn.notifications-btn#notifications-button{href: '#', "data-toggle" => "dropdown"}
         = icon('bell')
-        = notification_label(@membership)
+        = notification_title(@notification_setting.level)
         = icon('angle-down')
       %ul.dropdown-menu.dropdown-menu-right.project-home-dropdown
-        - Notification.project_notification_levels.each do |level|
-          = notification_list_item(level, @membership)
-
-- when GroupMember
-  .btn.disabled.notifications-btn.has-tooltip{title: "To change the notification level, you need to be a member of the project itself, not only its group."}
-    = icon('bell')
-    = notification_label(@membership)
-    = icon('angle-down')
+        - NotificationSetting.levels.each do |level|
+          = notification_list_item(level.first, @notification_setting)
diff --git a/app/views/projects/merge_requests/_form.html.haml b/app/views/projects/merge_requests/_form.html.haml
index 3e4ab09c6d4..1e6724fc92b 100644
--- a/app/views/projects/merge_requests/_form.html.haml
+++ b/app/views/projects/merge_requests/_form.html.haml
@@ -1,4 +1,4 @@
-= form_for [@project.namespace.becomes(Namespace), @project, @merge_request], html: { class: 'merge-request-form form-horizontal gfm-form js-requires-input' } do |f|
+= form_for [@project.namespace.becomes(Namespace), @project, @merge_request], html: { class: 'merge-request-form form-horizontal gfm-form js-requires-input js-quick-submit' } do |f|
   = render 'shared/issuable/form', f: f, issuable: @merge_request
 
 :javascript
diff --git a/app/views/projects/merge_requests/widget/_show.html.haml b/app/views/projects/merge_requests/widget/_show.html.haml
index 92d95358937..3c68d61c4b5 100644
--- a/app/views/projects/merge_requests/widget/_show.html.haml
+++ b/app/views/projects/merge_requests/widget/_show.html.haml
@@ -8,20 +8,22 @@
   = render 'projects/merge_requests/widget/locked'
 
 :javascript
-  var merge_request_widget;
   var opts = {
     merge_check_url: "#{merge_check_namespace_project_merge_request_path(@project.namespace, @project, @merge_request)}",
     check_enable: #{@merge_request.unchecked? ? "true" : "false"},
     ci_status_url: "#{ci_status_namespace_project_merge_request_path(@project.namespace, @project, @merge_request)}",
     gitlab_icon: "#{asset_path 'gitlab_logo.png'}",
     ci_status: "",
-    ci_message: "Build {{status}} for \"{{title}}\"",
+    ci_message: {
+      normal: "Build {{status}} for \"{{title}}\"",
+      preparing: "{{status}} build for \"{{title}}\""
+    },
     ci_enable: #{@project.ci_service ? "true" : "false"},
+    ci_title: {
+      preparing: "{{status}} build",
+      normal: "Build {{status}}"
+    },
     builds_path: "#{builds_namespace_project_merge_request_path(@project.namespace, @project, @merge_request)}"
   };
 
-  if(typeof merge_request_widget === 'undefined') {
-    merge_request_widget = new MergeRequestWidget(opts);
-  } else {
-    merge_request_widget.setOpts(opts);
-  }
+  merge_request_widget = new MergeRequestWidget(opts);
diff --git a/app/views/projects/notes/_note.html.haml b/app/views/projects/notes/_note.html.haml
index 5c42423541e..03a44ca99c0 100644
--- a/app/views/projects/notes/_note.html.haml
+++ b/app/views/projects/notes/_note.html.haml
@@ -10,12 +10,12 @@
           = "#{note.author.to_reference} commented"
           %a{ href: "##{dom_id(note)}" }
             = time_ago_with_tooltip(note.created_at, placement: 'bottom', html_class: 'note-created-ago')
-        - if note_editable?(note)
-          .note-actions
-            - access = note.project.team.human_max_access(note.author.id)
-            - if access
-              %span.note-role
-                = access
+        .note-actions
+          - access = note.project.team.human_max_access(note.author.id)
+          - if access
+            %span.note-role
+              = access
+          - if note_editable?(note)
             = link_to '#', title: 'Edit comment', class: 'note-action-button js-note-edit' do
               = icon('pencil')
             = link_to namespace_project_note_path(note.project.namespace, note.project, note), title: 'Remove comment', method: :delete, data: { confirm: 'Are you sure you want to remove this comment?' }, remote: true, class: 'note-action-button js-note-delete danger' do
diff --git a/app/views/shared/_commit_message_container.html.haml b/app/views/shared/_commit_message_container.html.haml
index 7afbaeddee8..0a38327baa2 100644
--- a/app/views/shared/_commit_message_container.html.haml
+++ b/app/views/shared/_commit_message_container.html.haml
@@ -6,7 +6,7 @@
     .commit-message-container
       .max-width-marker
       = text_area_tag 'commit_message',
-          (params[:commit_message] || local_assigns[:text]),
+          (params[:commit_message] || local_assigns[:text] || local_assigns[:placeholder]),
           class: 'form-control js-commit-message', placeholder: local_assigns[:placeholder],
           required: true, rows: (local_assigns[:rows] || 3),
           id: "commit_message-#{nonce}"
diff --git a/app/views/shared/issuable/_label_dropdown.html.haml b/app/views/shared/issuable/_label_dropdown.html.haml
index fd5e58c1f1f..f722e61eeac 100644
--- a/app/views/shared/issuable/_label_dropdown.html.haml
+++ b/app/views/shared/issuable/_label_dropdown.html.haml
@@ -1,7 +1,7 @@
 - if params[:label_name].present?
   = hidden_field_tag(:label_name, params[:label_name])
 .dropdown
-  %button.dropdown-menu-toggle.js-label-select.js-filter-submit{type: "button", data: {toggle: "dropdown", field_name: "label_name", show_no: "true", show_any: "true", selected: params[:label_name], project_id: @project.try(:id), labels: labels_filter_path, default_label: "Label"}}
+  %button.dropdown-menu-toggle.js-label-select.js-filter-submit.js-extra-options{type: "button", data: {toggle: "dropdown", field_name: "label_name", show_no: "true", show_any: "true", selected: params[:label_name], project_id: @project.try(:id), labels: labels_filter_path, default_label: "Label"}}
     %span.dropdown-toggle-text
       = h(params[:label_name].presence || "Label")
     = icon('chevron-down')
diff --git a/app/workers/post_receive.rb b/app/workers/post_receive.rb
index 3cc232ef1ae..9e1215b21a6 100644
--- a/app/workers/post_receive.rb
+++ b/app/workers/post_receive.rb
@@ -40,7 +40,7 @@ class PostReceive
 
       if Gitlab::Git.tag_ref?(ref)
         GitTagPushService.new.execute(post_received.project, @user, oldrev, newrev, ref)
-      else
+      elsif Gitlab::Git.branch_ref?(ref)
         GitPushService.new(post_received.project, @user, oldrev: oldrev, newrev: newrev, ref: ref).execute
       end
     end