diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b256e8a2a5f12efb2c3e1394b515bfc67b6a3651..e0e780e1e6b78f0e40c3fc6aeee4cad32ac17511 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -425,7 +425,7 @@ notify:slack:
     SETUP_DB: "false"
     USE_BUNDLE_INSTALL: "false"
   script:
-    - ./scripts/notify_slack.sh "#development" "Build on \`$CI_BUILD_REF_NAME\` failed! Commit \`$(git log -1 --oneline)\` See <https://gitlab.com/gitlab-org/$(basename "$PWD")/commit/"$CI_BUILD_REF"/builds>"
+    - ./scripts/notify_slack.sh "#development" "Build on \`$CI_BUILD_REF_NAME\` failed! Commit \`$(git log -1 --oneline)\` See <https://gitlab.com/gitlab-org/$(basename "$PWD")/commit/"$CI_BUILD_REF"/pipelines>"
   when: on_failure
   only:
     - master@gitlab-org/gitlab-ce
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 659871a06a450110cff553ae2a1448955711ecc1..b68c4a67826209c015d4a526f604120ac55f53aa 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -217,8 +217,8 @@ We welcome merge requests with fixes and improvements to GitLab code, tests,
 and/or documentation. The features we would really like a merge request for are
 listed with the label [`Accepting Merge Requests` on our issue tracker for CE][accepting-mrs-ce]
 and [EE][accepting-mrs-ee] but other improvements are also welcome. Please note
-that if an issue is marked for the current milestone either before or while you 
-are working on it, a team member may take over the merge request in order to 
+that if an issue is marked for the current milestone either before or while you
+are working on it, a team member may take over the merge request in order to
 ensure the work is finished before the release date.
 
 If you want to add a new feature that is not labeled it is best to first create
@@ -300,6 +300,7 @@ you start with a very simple UI? Can you do part of the refactor? The increased
 reviewability of small MRs that leads to higher code quality is more important
 to us than having a minimal commit log. The smaller an MR is the more likely it
 is it will be merged (quickly). After that you can send more MRs to enhance it.
+The ['How to get faster PR reviews' document of Kubernetes](https://github.com/kubernetes/community/blob/master/contributors/devel/faster_reviews.md) also has some great points regarding this.
 
 For examples of feedback on merge requests please look at already
 [closed merge requests][closed-merge-requests]. If you would like quick feedback
diff --git a/Gemfile b/Gemfile
index 9dfaf7a48a214c9e4cc6be2ea01585aa0142464f..fff808e9805bd404f44057bb5b050fd9900d6849 100644
--- a/Gemfile
+++ b/Gemfile
@@ -332,7 +332,7 @@ gem 'octokit', '~> 4.3.0'
 
 gem 'mail_room', '~> 0.9.0'
 
-gem 'email_reply_parser', '~> 0.5.8'
+gem 'email_reply_trimmer', '~> 0.1'
 gem 'html2text'
 
 gem 'ruby-prof', '~> 0.16.2'
diff --git a/Gemfile.lock b/Gemfile.lock
index 9f8367b420a3922bacd5c357fa036b74db6b5284..765d57c623887eac8647b8b899bf58eae2d289f0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -167,7 +167,7 @@ GEM
       railties (>= 4.2)
     dropzonejs-rails (0.7.2)
       rails (> 3.1)
-    email_reply_parser (0.5.8)
+    email_reply_trimmer (0.1.6)
     email_spec (1.6.0)
       launchy (~> 2.1)
       mail (~> 2.2)
@@ -839,7 +839,7 @@ DEPENDENCIES
   diffy (~> 3.1.0)
   doorkeeper (~> 4.2.0)
   dropzonejs-rails (~> 0.7.1)
-  email_reply_parser (~> 0.5.8)
+  email_reply_trimmer (~> 0.1)
   email_spec (~> 1.6.0)
   factory_girl_rails (~> 4.7.0)
   ffaker (~> 2.0.0)
diff --git a/README.md b/README.md
index 68b709b85d505565d54c7e4ee57972be71c63f92..4e28f3aacfd69a59c8de9d26944f6f487a95c574 100644
--- a/README.md
+++ b/README.md
@@ -15,10 +15,10 @@ To see how GitLab looks please see the [features page on our website](https://ab
 
 - Manage Git repositories with fine grained access controls that keep your code secure
 - Perform code reviews and enhance collaboration with merge requests
-- Each project can also have an issue tracker and a wiki
+- Complete continuous integration (CI) and CD pipelines to builds, test, and deploy your applications
+- Each project can also have an issue tracker, issue board, and a wiki
 - Used by more than 100,000 organizations, GitLab is the most popular solution to manage Git repositories on-premises
 - Completely free and open source (MIT Expat license)
-- Powered by [Ruby on Rails](https://github.com/rails/rails)
 
 ## Hiring
 
@@ -74,11 +74,11 @@ Instructions on how to start GitLab and how to run the tests can be found in the
 
 GitLab is a Ruby on Rails application that runs on the following software:
 
-- Ubuntu/Debian/CentOS/RHEL
+- Ubuntu/Debian/CentOS/RHEL/OpenSUSE
 - Ruby (MRI) 2.3
 - Git 2.8.4+
 - Redis 2.8+
-- MySQL or PostgreSQL
+- PostgreSQL (preferred) or MySQL
 
 For more information please see the [architecture documentation](https://docs.gitlab.com/ce/development/architecture.html).
 
diff --git a/app/assets/javascripts/build.js b/app/assets/javascripts/build.js
index 5e449170cd3af7b061607212e1eef9ce33a2394b..bc13c46443a9581f7f725f8ca9ac3ac033a90a04 100644
--- a/app/assets/javascripts/build.js
+++ b/app/assets/javascripts/build.js
@@ -92,8 +92,8 @@
         success: function(buildData) {
           $('.js-build-output').html(buildData.trace_html);
           if (removeRefreshStatuses.indexOf(buildData.status) >= 0) {
-            this.initScrollMonitor();
-            return this.$buildRefreshAnimation.remove();
+            this.$buildRefreshAnimation.remove();
+            return this.initScrollMonitor();
           }
         }.bind(this)
       });
diff --git a/app/assets/javascripts/gfm_auto_complete.js.es6 b/app/assets/javascripts/gfm_auto_complete.js.es6
index 12875eaa1c314ed7624a22f85a9d344e7a4a6c32..3857bbb743b86c4c6c87ac42203e3b4672fc66c3 100644
--- a/app/assets/javascripts/gfm_auto_complete.js.es6
+++ b/app/assets/javascripts/gfm_auto_complete.js.es6
@@ -367,7 +367,7 @@
       return $input.trigger('keyup');
     },
     isLoading(data) {
-      if (!data) return false;
+      if (!data || !data.length) return false;
       if (Array.isArray(data)) data = data[0];
       return data === this.defaultLoadingData[0] || data.name === this.defaultLoadingData[0];
     },
diff --git a/app/assets/javascripts/issue.js b/app/assets/javascripts/issue.js
index 63b70d4be17b8c76b22f40e79f432477751efcfb..61e8531153b728810d1d61e1c9b22b8fc879d533 100644
--- a/app/assets/javascripts/issue.js
+++ b/app/assets/javascripts/issue.js
@@ -139,15 +139,12 @@
         return;
       }
       return $.getJSON($container.data('path')).error(function() {
-        $container.find('.checking').hide();
         $container.find('.unavailable').show();
         return new Flash('Failed to check if a new branch can be created.', 'alert');
       }).success(function(data) {
         if (data.can_create_branch) {
-          $container.find('.checking').hide();
           $container.find('.available').show();
         } else {
-          $container.find('.checking').hide();
           return $container.find('.unavailable').show();
         }
       });
diff --git a/app/assets/stylesheets/framework/lists.scss b/app/assets/stylesheets/framework/lists.scss
index e96cd671e3470227359d66e5962c510e5055794c..28a0f9871a2a2fed678f6eab4f6d5f103cb26578 100644
--- a/app/assets/stylesheets/framework/lists.scss
+++ b/app/assets/stylesheets/framework/lists.scss
@@ -239,7 +239,6 @@ ul.content-list {
 }
 
 ul.controls {
-  padding-top: 1px;
   float: right;
   list-style: none;
 
diff --git a/app/assets/stylesheets/pages/deploy_keys.scss b/app/assets/stylesheets/pages/deploy_keys.scss
new file mode 100644
index 0000000000000000000000000000000000000000..2fafe052106627f0383e29c77d89fec36c8812f0
--- /dev/null
+++ b/app/assets/stylesheets/pages/deploy_keys.scss
@@ -0,0 +1,13 @@
+.deploy-keys-list {
+  width: 100%;
+  overflow: auto;
+
+  table {
+    border: 1px solid $table-border-color;
+  }
+}
+
+.deploy-keys-title {
+  padding-bottom: 2px;
+  line-height: 2;
+}
diff --git a/app/assets/stylesheets/pages/note_form.scss b/app/assets/stylesheets/pages/note_form.scss
index 074abec769268c69598537e2f626046b189f98a2..e54e12be82f09c1841e764094fe5912fd6cba241 100644
--- a/app/assets/stylesheets/pages/note_form.scss
+++ b/app/assets/stylesheets/pages/note_form.scss
@@ -109,7 +109,7 @@
   margin: auto;
   margin-top: 0;
   text-align: center;
-  font-size: 13px;
+  font-size: 12px;
 
   @media (max-width: $screen-sm-max) {
     // On smaller devices the warning becomes the fourth item in the list,
diff --git a/app/assets/stylesheets/pages/notes.scss b/app/assets/stylesheets/pages/notes.scss
index b512da0939fcb358f4510f2fa40a5537782877f3..8f15775ee032c71e3d00a4ac673cc3d0ef21c2ba 100644
--- a/app/assets/stylesheets/pages/notes.scss
+++ b/app/assets/stylesheets/pages/notes.scss
@@ -557,18 +557,14 @@ ul.notes {
   &.is-active {
     color: $gl-text-green;
 
-    svg path {
+    svg {
       fill: $gl-text-green;
     }
   }
 
   svg {
     position: relative;
-    color: $gray-darkest;
-
-    path {
-      fill: $gray-darkest;
-    }
+    fill: $gray-darkest;
   }
 }
 
diff --git a/app/assets/stylesheets/pages/pipelines.scss b/app/assets/stylesheets/pages/pipelines.scss
index 5f8874289cc9f97859bac645507ab3f12604e8e4..c370b6247b04eff5df91587cd1d9eab3dbf80fa1 100644
--- a/app/assets/stylesheets/pages/pipelines.scss
+++ b/app/assets/stylesheets/pages/pipelines.scss
@@ -335,7 +335,6 @@
   width: 100%;
   background-color: $gray-light;
   padding: $gl-padding;
-  overflow: auto;
   white-space: nowrap;
   transition: max-height 0.3s, padding 0.3s;
 
@@ -621,14 +620,14 @@
 }
 
 .dropdown-counter-badge {
-  float: right;
   color: $border-color;
   font-weight: 100;
   font-size: 15px;
-  margin-right: 2px;
+  position: absolute;
+  right: 5px;
+  top: 8px;
 }
 
-
 .grouped-pipeline-dropdown {
   padding: 0;
   width: 191px;
diff --git a/app/controllers/admin/deploy_keys_controller.rb b/app/controllers/admin/deploy_keys_controller.rb
index 285e84953426f2d72c19d32ade4cdb3559cd7b9b..4f6a7e9e2cbc2a069902ba9e53bc1f19d1762ae5 100644
--- a/app/controllers/admin/deploy_keys_controller.rb
+++ b/app/controllers/admin/deploy_keys_controller.rb
@@ -10,7 +10,7 @@ class Admin::DeployKeysController < Admin::ApplicationController
   end
 
   def create
-    @deploy_key = deploy_keys.new(deploy_key_params)
+    @deploy_key = deploy_keys.new(deploy_key_params.merge(user: current_user))
 
     if @deploy_key.save
       redirect_to admin_deploy_keys_path
@@ -39,6 +39,6 @@ class Admin::DeployKeysController < Admin::ApplicationController
   end
 
   def deploy_key_params
-    params.require(:deploy_key).permit(:key, :title)
+    params.require(:deploy_key).permit(:key, :title, :can_push)
   end
 end
diff --git a/app/controllers/admin/groups_controller.rb b/app/controllers/admin/groups_controller.rb
index 1e3d194e9f9b5846fc63ee46bfbfe90740ddcb24..61a3a03182a14e95731a97e2d86858e459ca91d8 100644
--- a/app/controllers/admin/groups_controller.rb
+++ b/app/controllers/admin/groups_controller.rb
@@ -1,17 +1,18 @@
 class Admin::GroupsController < Admin::ApplicationController
-  before_action :group, only: [:edit, :show, :update, :destroy, :project_update, :members_update]
+  before_action :group, only: [:edit, :update, :destroy, :project_update, :members_update]
 
   def index
-    @groups = Group.all
+    @groups = Group.with_statistics
     @groups = @groups.sort(@sort = params[:sort])
     @groups = @groups.search(params[:name]) if params[:name].present?
     @groups = @groups.page(params[:page])
   end
 
   def show
+    @group = Group.with_statistics.find_by_full_path(params[:id])
     @members = @group.members.order("access_level DESC").page(params[:members_page])
     @requesters = AccessRequestsFinder.new(@group).execute(current_user)
-    @projects = @group.projects.page(params[:projects_page])
+    @projects = @group.projects.with_statistics.page(params[:projects_page])
   end
 
   def new
diff --git a/app/controllers/admin/projects_controller.rb b/app/controllers/admin/projects_controller.rb
index 1d963bdf7d58df28917edef167ac5141a5e52458..b09ae4230969720c14698b5e21316162d880ae1f 100644
--- a/app/controllers/admin/projects_controller.rb
+++ b/app/controllers/admin/projects_controller.rb
@@ -3,7 +3,7 @@ class Admin::ProjectsController < Admin::ApplicationController
   before_action :group, only: [:show, :transfer]
 
   def index
-    @projects = Project.all
+    @projects = Project.with_statistics
     @projects = @projects.in_namespace(params[:namespace_id]) if params[:namespace_id].present?
     @projects = @projects.where(visibility_level: params[:visibility_level]) if params[:visibility_level].present?
     @projects = @projects.with_push if params[:with_push].present?
diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
index efe9c001bcf40d0f65011e3974ca02f3482c191a..01c8fa2739f363240e96f772a3e3662d92263c89 100644
--- a/app/controllers/groups_controller.rb
+++ b/app/controllers/groups_controller.rb
@@ -75,7 +75,7 @@ class GroupsController < Groups::ApplicationController
   end
 
   def projects
-    @projects = @group.projects.page(params[:page])
+    @projects = @group.projects.with_statistics.page(params[:page])
   end
 
   def update
diff --git a/app/controllers/projects/deploy_keys_controller.rb b/app/controllers/projects/deploy_keys_controller.rb
index 529e0aa2d33e13c96037fc8f6e2b05e40608ad6a..b094491e006705d9a724613932c787eca57f99c4 100644
--- a/app/controllers/projects/deploy_keys_controller.rb
+++ b/app/controllers/projects/deploy_keys_controller.rb
@@ -16,7 +16,7 @@ class Projects::DeployKeysController < Projects::ApplicationController
   end
 
   def create
-    @key = DeployKey.new(deploy_key_params)
+    @key = DeployKey.new(deploy_key_params.merge(user: current_user))
     set_index_vars
 
     if @key.valid? && @project.deploy_keys << @key
@@ -53,6 +53,6 @@ class Projects::DeployKeysController < Projects::ApplicationController
   end
 
   def deploy_key_params
-    params.require(:deploy_key).permit(:key, :title)
+    params.require(:deploy_key).permit(:key, :title, :can_push)
   end
 end
diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index 7445f3c113cbbaf713e5fa3e790ac0c9a147fc75..4b5a2dc8782d6fb235fd7dc9533a0a88492f3e37 100644
--- a/app/helpers/projects_helper.rb
+++ b/app/helpers/projects_helper.rb
@@ -90,10 +90,12 @@ module ProjectsHelper
   end
 
   def project_for_deploy_key(deploy_key)
-    if deploy_key.projects.include?(@project)
+    if deploy_key.has_access_to?(@project)
       @project
     else
-      deploy_key.projects.find { |project| can?(current_user, :read_project, project) }
+      deploy_key.projects.find do |project|
+        can?(current_user, :read_project, project)
+      end
     end
   end
 
@@ -246,11 +248,6 @@ module ProjectsHelper
     end
   end
 
-  def repository_size(project = @project)
-    size_in_bytes = project.repository_size * 1.megabyte
-    number_to_human_size(size_in_bytes, delimiter: ',', precision: 2)
-  end
-
   def default_url_to_repo(project = @project)
     case default_clone_protocol
     when 'ssh'
@@ -398,20 +395,6 @@ module ProjectsHelper
     [@project.path_with_namespace, sha, "readme"].join('-')
   end
 
-  def round_commit_count(project)
-    count = project.commit_count
-
-    if count > 10000
-      '10000+'
-    elsif count > 5000
-      '5000+'
-    elsif count > 1000
-      '1000+'
-    else
-      count
-    end
-  end
-
   def current_ref
     @ref || @repository.try(:root_ref)
   end
diff --git a/app/helpers/sorting_helper.rb b/app/helpers/sorting_helper.rb
index f03c46270503659a2b5549a860a9e3e83fb7bf89..ff787fb4131480c8b958a39b82acc1d54b6c0bc6 100644
--- a/app/helpers/sorting_helper.rb
+++ b/app/helpers/sorting_helper.rb
@@ -11,6 +11,7 @@ module SortingHelper
       sort_value_due_date_soon => sort_title_due_date_soon,
       sort_value_due_date_later => sort_title_due_date_later,
       sort_value_largest_repo => sort_title_largest_repo,
+      sort_value_largest_group => sort_title_largest_group,
       sort_value_recently_signin => sort_title_recently_signin,
       sort_value_oldest_signin => sort_title_oldest_signin,
       sort_value_downvotes => sort_title_downvotes,
@@ -92,6 +93,10 @@ module SortingHelper
     'Largest repository'
   end
 
+  def sort_title_largest_group
+    'Largest group'
+  end
+
   def sort_title_recently_signin
     'Recent sign in'
   end
@@ -193,7 +198,11 @@ module SortingHelper
   end
 
   def sort_value_largest_repo
-    'repository_size_desc'
+    'storage_size_desc'
+  end
+
+  def sort_value_largest_group
+    'storage_size_desc'
   end
 
   def sort_value_recently_signin
diff --git a/app/helpers/storage_helper.rb b/app/helpers/storage_helper.rb
new file mode 100644
index 0000000000000000000000000000000000000000..e19c67a37ca0c46c38b076b2a05d1d648cdca618
--- /dev/null
+++ b/app/helpers/storage_helper.rb
@@ -0,0 +1,7 @@
+module StorageHelper
+  def storage_counter(size_in_bytes)
+    precision = size_in_bytes < 1.megabyte ? 0 : 1
+
+    number_to_human_size(size_in_bytes, delimiter: ',', precision: precision, significant: false)
+  end
+end
diff --git a/app/models/ci/build.rb b/app/models/ci/build.rb
index cb76cdf5981421e7ec9072bd89191e7283d1590d..270427987418d7e1fecbadd4fe93aa58ef7331f2 100644
--- a/app/models/ci/build.rb
+++ b/app/models/ci/build.rb
@@ -43,6 +43,8 @@ module Ci
     before_destroy { project }
 
     after_create :execute_hooks
+    after_save :update_project_statistics, if: :artifacts_size_changed?
+    after_destroy :update_project_statistics
 
     class << self
       def first_pending
@@ -584,5 +586,9 @@ module Ci
       Ci::MaskSecret.mask!(trace, token)
       trace
     end
+
+    def update_project_statistics
+      ProjectCacheWorker.perform_async(project_id, [], [:build_artifacts_size])
+    end
   end
 end
diff --git a/app/models/ci/pipeline.rb b/app/models/ci/pipeline.rb
index f2f6453b3b90b865246ecbc9872e9bc0a20ef64f..abbbddaa4f67bcd0e9e1c7670e21758801984ba6 100644
--- a/app/models/ci/pipeline.rb
+++ b/app/models/ci/pipeline.rb
@@ -93,11 +93,8 @@ module Ci
         .select("max(#{quoted_table_name}.id)")
         .group(:ref, :sha)
 
-      if ref
-        where(id: max_id, ref: ref)
-      else
-        where(id: max_id)
-      end
+      relation = ref ? where(ref: ref) : self
+      relation.where(id: max_id)
     end
 
     def self.latest_status(ref = nil)
@@ -105,7 +102,7 @@ module Ci
     end
 
     def self.latest_successful_for(ref)
-      success.latest(ref).first
+      success.latest(ref).order(id: :desc).first
     end
 
     def self.truncate_sha(sha)
diff --git a/app/models/deploy_key.rb b/app/models/deploy_key.rb
index 2c525d4cd7a78062e759c2c36a4b2a058bd8a58d..053f2a11aa02699556aba609562bfa12ce0207f0 100644
--- a/app/models/deploy_key.rb
+++ b/app/models/deploy_key.rb
@@ -20,4 +20,18 @@ class DeployKey < Key
   def destroyed_when_orphaned?
     self.private?
   end
+
+  def has_access_to?(project)
+    projects.include?(project)
+  end
+
+  def can_push_to?(project)
+    can_push? && has_access_to?(project)
+  end
+
+  private
+
+  # we don't want to notify the user for deploy keys
+  def notify_user
+  end
 end
diff --git a/app/models/group.rb b/app/models/group.rb
index ac8a82c8c1e253b27f3ec42ec1d0119e54063720..85696ad97476ef4a637987677af12c732f029857 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -48,7 +48,13 @@ class Group < Namespace
     end
 
     def sort(method)
-      order_by(method)
+      if method == 'storage_size_desc'
+        # storage_size is a virtual column so we need to
+        # pass a string to avoid AR adding the table name
+        reorder('storage_size DESC, namespaces.id DESC')
+      else
+        order_by(method)
+      end
     end
 
     def reference_prefix
diff --git a/app/models/key.rb b/app/models/key.rb
index a5d25409730cb0f699eb3847d8c4626c6b9efa80..6f377f0e8aec49fcbf022f9b25a09d69b3310072 100644
--- a/app/models/key.rb
+++ b/app/models/key.rb
@@ -57,10 +57,6 @@ class Key < ActiveRecord::Base
     )
   end
 
-  def notify_user
-    run_after_commit { NotificationService.new.new_key(self) }
-  end
-
   def post_create_hook
     SystemHooksService.new.execute_hooks_for(self, :create)
   end
@@ -86,4 +82,8 @@ class Key < ActiveRecord::Base
 
     self.fingerprint = Gitlab::KeyFingerprint.new(self.key).fingerprint
   end
+
+  def notify_user
+    run_after_commit { NotificationService.new.new_key(self) }
+  end
 end
diff --git a/app/models/lfs_objects_project.rb b/app/models/lfs_objects_project.rb
index 0fd5f089db9076d03d7c17fcea5518964d688809..007eed5600a0b47e146f477948731b5f30f480ba 100644
--- a/app/models/lfs_objects_project.rb
+++ b/app/models/lfs_objects_project.rb
@@ -5,4 +5,13 @@ class LfsObjectsProject < ActiveRecord::Base
   validates :lfs_object_id, presence: true
   validates :lfs_object_id, uniqueness: { scope: [:project_id], message: "already exists in project" }
   validates :project_id, presence: true
+
+  after_create :update_project_statistics
+  after_destroy :update_project_statistics
+
+  private
+
+  def update_project_statistics
+    ProjectCacheWorker.perform_async(project_id, [], [:lfs_objects_size])
+  end
 end
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index 5ce20cc43d62aab1b73ef67d9f062ea04fd6f510..22490d121c79b53af916a7498760b4462c150f29 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -198,7 +198,9 @@ class MergeRequest < ActiveRecord::Base
   end
 
   def diff_size
-    diffs(diff_options).size
+    opts = diff_options || {}
+
+    raw_diffs(opts).size
   end
 
   def diff_base_commit
diff --git a/app/models/namespace.rb b/app/models/namespace.rb
index b52f08c70813f94f5cdd46694429b5125e3fefac..d41833de66f2cd0325092fc5f51227baf703a77f 100644
--- a/app/models/namespace.rb
+++ b/app/models/namespace.rb
@@ -9,6 +9,7 @@ class Namespace < ActiveRecord::Base
   cache_markdown_field :description, pipeline: :description
 
   has_many :projects, dependent: :destroy
+  has_many :project_statistics
   belongs_to :owner, class_name: "User"
 
   belongs_to :parent, class_name: "Namespace"
@@ -38,6 +39,18 @@ class Namespace < ActiveRecord::Base
 
   scope :root, -> { where('type IS NULL') }
 
+  scope :with_statistics, -> do
+    joins('LEFT JOIN project_statistics ps ON ps.namespace_id = namespaces.id')
+      .group('namespaces.id')
+      .select(
+        'namespaces.*',
+        'COALESCE(SUM(ps.storage_size), 0) AS storage_size',
+        'COALESCE(SUM(ps.repository_size), 0) AS repository_size',
+        'COALESCE(SUM(ps.lfs_objects_size), 0) AS lfs_objects_size',
+        'COALESCE(SUM(ps.build_artifacts_size), 0) AS build_artifacts_size',
+      )
+  end
+
   class << self
     def by_path(path)
       find_by('lower(path) = :value', value: path.downcase)
diff --git a/app/models/project.rb b/app/models/project.rb
index 5fd6c86fd70b94409e5cdb2947d3cbc6508f5554..e0ffa7e7af7f6a2e8cfc31cfc534006cbdfffd8a 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -44,6 +44,7 @@ class Project < ActiveRecord::Base
   after_create :ensure_dir_exist
   after_create :create_project_feature, unless: :project_feature
   after_save :ensure_dir_exist, if: :namespace_id_changed?
+  after_save :update_project_statistics, if: :namespace_id_changed?
 
   # set last_activity_at to the same as created_at
   after_create :set_last_activity_at
@@ -151,6 +152,7 @@ class Project < ActiveRecord::Base
 
   has_one :import_data, dependent: :destroy, class_name: "ProjectImportData"
   has_one :project_feature, dependent: :destroy
+  has_one :statistics, class_name: 'ProjectStatistics', dependent: :delete
 
   has_many :commit_statuses, dependent: :destroy, foreign_key: :gl_project_id
   has_many :pipelines, dependent: :destroy, class_name: 'Ci::Pipeline', foreign_key: :gl_project_id
@@ -220,6 +222,7 @@ class Project < ActiveRecord::Base
   scope :with_push, -> { joins(:events).where('events.action = ?', Event::PUSHED) }
 
   scope :with_project_feature, -> { joins('LEFT JOIN project_features ON projects.id = project_features.project_id') }
+  scope :with_statistics, -> { includes(:statistics) }
 
   # "enabled" here means "not disabled". It includes private features!
   scope :with_feature_enabled, ->(feature) {
@@ -332,8 +335,10 @@ class Project < ActiveRecord::Base
     end
 
     def sort(method)
-      if method == 'repository_size_desc'
-        reorder(repository_size: :desc, id: :desc)
+      if method == 'storage_size_desc'
+        # storage_size is a joined column so we need to
+        # pass a string to avoid AR adding the table name
+        reorder('project_statistics.storage_size DESC, projects.id DESC')
       else
         order_by(method)
       end
@@ -1036,14 +1041,6 @@ class Project < ActiveRecord::Base
     forked? && project == forked_from_project
   end
 
-  def update_repository_size
-    update_attribute(:repository_size, repository.size)
-  end
-
-  def update_commit_count
-    update_attribute(:commit_count, repository.commit_count)
-  end
-
   def forks_count
     forks.count
   end
@@ -1322,4 +1319,9 @@ class Project < ActiveRecord::Base
   def full_path_changed?
     path_changed? || namespace_id_changed?
   end
+
+  def update_project_statistics
+    stats = statistics || build_statistics
+    stats.update(namespace_id: namespace_id)
+  end
 end
diff --git a/app/models/project_statistics.rb b/app/models/project_statistics.rb
new file mode 100644
index 0000000000000000000000000000000000000000..2270ac750716afcbf25c17ee484cfa5bbee0d953
--- /dev/null
+++ b/app/models/project_statistics.rb
@@ -0,0 +1,43 @@
+class ProjectStatistics < ActiveRecord::Base
+  belongs_to :project
+  belongs_to :namespace
+
+  before_save :update_storage_size
+
+  STORAGE_COLUMNS = [:repository_size, :lfs_objects_size, :build_artifacts_size]
+  STATISTICS_COLUMNS = [:commit_count] + STORAGE_COLUMNS
+
+  def total_repository_size
+    repository_size + lfs_objects_size
+  end
+
+  def refresh!(only: nil)
+    STATISTICS_COLUMNS.each do |column, generator|
+      if only.blank? || only.include?(column)
+        public_send("update_#{column}")
+      end
+    end
+
+    save!
+  end
+
+  def update_commit_count
+    self.commit_count = project.repository.commit_count
+  end
+
+  def update_repository_size
+    self.repository_size = project.repository.size
+  end
+
+  def update_lfs_objects_size
+    self.lfs_objects_size = project.lfs_objects.sum(:size)
+  end
+
+  def update_build_artifacts_size
+    self.build_artifacts_size = project.builds.sum(:artifacts_size)
+  end
+
+  def update_storage_size
+    self.storage_size = STORAGE_COLUMNS.sum(&method(:read_attribute))
+  end
+end
diff --git a/app/services/git_push_service.rb b/app/services/git_push_service.rb
index 6bbc3a9d9ff7afea1fc42d2af1b8642bef6798f1..dbe2fda27b5192e31165c71a23c56e2267e21e51 100644
--- a/app/services/git_push_service.rb
+++ b/app/services/git_push_service.rb
@@ -77,7 +77,7 @@ class GitPushService < BaseService
       types = []
     end
 
-    ProjectCacheWorker.perform_async(@project.id, types)
+    ProjectCacheWorker.perform_async(@project.id, types, [:commit_count, :repository_size])
   end
 
   # Schedules processing of commit messages.
diff --git a/app/services/git_tag_push_service.rb b/app/services/git_tag_push_service.rb
index 20a4445bddf2334b54be1388b4aec5a1b44a4ec3..96432837481e5e3a577851395eeba0b95b595989 100644
--- a/app/services/git_tag_push_service.rb
+++ b/app/services/git_tag_push_service.rb
@@ -12,7 +12,7 @@ class GitTagPushService < BaseService
     project.execute_hooks(@push_data.dup, :tag_push_hooks)
     project.execute_services(@push_data.dup, :tag_push_hooks)
     Ci::CreatePipelineService.new(project, current_user, @push_data).execute
-    ProjectCacheWorker.perform_async(project.id)
+    ProjectCacheWorker.perform_async(project.id, [], [:commit_count, :repository_size])
 
     true
   end
diff --git a/app/services/notes/create_service.rb b/app/services/notes/create_service.rb
index d75592e31f300aec13f4c459eadaeeffddb451a9..1beca9f41094261bd64c6fab613b58735033c27d 100644
--- a/app/services/notes/create_service.rb
+++ b/app/services/notes/create_service.rb
@@ -41,7 +41,7 @@ module Notes
         # We must add the error after we call #save because errors are reset
         # when #save is called
         if only_commands
-          note.errors.add(:commands_only, 'Your commands have been executed!')
+          note.errors.add(:commands_only, 'Commands applied')
         end
 
         note.commands_changes = command_params.keys
diff --git a/app/views/admin/deploy_keys/index.html.haml b/app/views/admin/deploy_keys/index.html.haml
index 149593e7f46ba0ef121f13bf89c230b4b3d2ed1e..7b71bb5b287b1a9638734252f36665deb3e2f647 100644
--- a/app/views/admin/deploy_keys/index.html.haml
+++ b/app/views/admin/deploy_keys/index.html.haml
@@ -1,27 +1,34 @@
 - page_title "Deploy Keys"
-.panel.panel-default.prepend-top-default
-  .panel-heading
-    Public deploy keys (#{@deploy_keys.count})
-    .controls
-      = link_to 'New Deploy Key', new_admin_deploy_key_path, class: "btn btn-new btn-sm"
-  - if @deploy_keys.any?
-    .table-holder
-      %table.table
-        %thead.panel-heading
+
+%h3.page-title.deploy-keys-title
+  Public deploy keys (#{@deploy_keys.count})
+  .pull-right
+    = link_to 'New Deploy Key', new_admin_deploy_key_path, class: 'btn btn-new btn-sm btn-inverted'
+
+- if @deploy_keys.any?
+  .table-holder.deploy-keys-list
+    %table.table
+      %thead
+        %tr
+          %th.col-sm-2 Title
+          %th.col-sm-4 Fingerprint
+          %th.col-sm-2 Write access allowed
+          %th.col-sm-2 Added at
+          %th.col-sm-2
+      %tbody
+        - @deploy_keys.each do |deploy_key|
           %tr
-            %th Title
-            %th Fingerprint
-            %th Added at
-            %th
-        %tbody
-          - @deploy_keys.each do |deploy_key|
-            %tr
-              %td
-                %strong= deploy_key.title
-              %td
-                %code.key-fingerprint= deploy_key.fingerprint
-              %td
-                %span.cgray
-                  added #{time_ago_with_tooltip(deploy_key.created_at)}
-              %td
-                = link_to 'Remove', admin_deploy_key_path(deploy_key), data: { confirm: 'Are you sure?'}, method: :delete, class: "btn btn-sm btn-remove delete-key pull-right"
+            %td
+              %strong= deploy_key.title
+            %td
+              %code.key-fingerprint= deploy_key.fingerprint
+            %td
+              - if deploy_key.can_push?
+                Yes
+              - else
+                No
+            %td
+              %span.cgray
+                added #{time_ago_with_tooltip(deploy_key.created_at)}
+            %td
+              = link_to 'Remove', admin_deploy_key_path(deploy_key), data: { confirm: 'Are you sure?'}, method: :delete, class: 'btn btn-sm btn-remove delete-key pull-right'
diff --git a/app/views/admin/deploy_keys/new.html.haml b/app/views/admin/deploy_keys/new.html.haml
index 5c410a695bf12457b1402ab5f7e1a8ab0a6540c3..a064efc231f14ef697a8f309513485a2a8f48779 100644
--- a/app/views/admin/deploy_keys/new.html.haml
+++ b/app/views/admin/deploy_keys/new.html.haml
@@ -16,6 +16,14 @@
           Paste a machine public key here. Read more about how to generate it
           = link_to "here", help_page_path("ssh/README")
         = f.text_area :key, class: "form-control thin_area", rows: 5
+    .form-group
+      .control-label
+      .col-sm-10
+        = f.label :can_push do
+          = f.check_box :can_push
+          %strong Write access allowed
+        %p.light.append-bottom-0
+          Allow this key to push to repository as well? (Default only allows pull access.)
 
     .form-actions
       = f.submit 'Create', class: "btn-create btn"
diff --git a/app/views/admin/groups/_group.html.haml b/app/views/admin/groups/_group.html.haml
index cf28f92853e145f5ade7982d2122fffa6e7122b2..6fc212119c47443331138d3867e998ae7067b732 100644
--- a/app/views/admin/groups/_group.html.haml
+++ b/app/views/admin/groups/_group.html.haml
@@ -5,6 +5,9 @@
     = link_to 'Edit', admin_group_edit_path(group), id: "edit_#{dom_id(group)}", class: 'btn'
     = link_to 'Delete', [:admin, group], data: { confirm: "Are you sure you want to remove #{group.name}?" }, method: :delete, class: 'btn btn-remove'
   .stats
+    %span.badge
+      = storage_counter(group.storage_size)
+
     %span
       = icon('bookmark')
       = number_with_delimiter(group.projects.count)
diff --git a/app/views/admin/groups/index.html.haml b/app/views/admin/groups/index.html.haml
index 794f910a61feac37454506141713714c61d18191..07775247cfd00be2608d9e7e0162ac4270351071 100644
--- a/app/views/admin/groups/index.html.haml
+++ b/app/views/admin/groups/index.html.haml
@@ -27,6 +27,8 @@
                   = sort_title_recently_updated
                 = link_to admin_groups_path(sort: sort_value_oldest_updated, name: project_name) do
                   = sort_title_oldest_updated
+                = link_to admin_groups_path(sort: sort_value_largest_group, name: project_name) do
+                  = sort_title_largest_group
           = link_to new_admin_group_path, class: "btn btn-new" do
             New Group
   %ul.content-list
diff --git a/app/views/admin/groups/show.html.haml b/app/views/admin/groups/show.html.haml
index 7b0175af2140e0a6e87f156cd02be58e8840aa3d..ab9c79f6addc8d488174984bd49e8510da0dfe9b 100644
--- a/app/views/admin/groups/show.html.haml
+++ b/app/views/admin/groups/show.html.haml
@@ -38,6 +38,18 @@
           %strong
             = @group.created_at.to_s(:medium)
 
+        %li
+          %span.light Storage:
+          %strong= storage_counter(@group.storage_size)
+          (
+          = storage_counter(@group.repository_size)
+          repositories,
+          = storage_counter(@group.build_artifacts_size)
+          build artifacts,
+          = storage_counter(@group.lfs_objects_size)
+          LFS
+          )
+
         %li
           %span.light Group Git LFS status:
           %strong
@@ -55,8 +67,8 @@
           %li
             %strong
               = link_to project.name_with_namespace, [:admin, project.namespace.becomes(Namespace), project]
-              %span.label.label-gray
-                = repository_size(project)
+              %span.badge
+                = storage_counter(project.statistics.storage_size)
             %span.pull-right.light
               %span.monospace= project.path_with_namespace + ".git"
       .panel-footer
@@ -73,8 +85,8 @@
             %li
               %strong
                 = link_to project.name_with_namespace, [:admin, project.namespace.becomes(Namespace), project]
-                %span.label.label-gray
-                  = repository_size(project)
+                %span.badge
+                  = storage_counter(project.statistics.storage_size)
               %span.pull-right.light
                 %span.monospace= project.path_with_namespace + ".git"
 
diff --git a/app/views/admin/projects/index.html.haml b/app/views/admin/projects/index.html.haml
index 8bc7dc7dd51e6805f910758f9574e16c5e6fe525..2e6f03fcde001219214a48ceb21349c5469536b1 100644
--- a/app/views/admin/projects/index.html.haml
+++ b/app/views/admin/projects/index.html.haml
@@ -69,8 +69,8 @@
             .controls
               - if project.archived
                 %span.label.label-warning archived
-              %span.label.label-gray
-                = repository_size(project)
+              %span.badge
+                = storage_counter(project.statistics.storage_size)
               = link_to 'Edit', edit_namespace_project_path(project.namespace, project), id: "edit_#{dom_id(project)}", class: "btn"
               = link_to 'Delete', [project.namespace.becomes(Namespace), project], data: { confirm: remove_project_message(project) }, method: :delete, class: "btn btn-remove"
             .title
diff --git a/app/views/admin/projects/show.html.haml b/app/views/admin/projects/show.html.haml
index 6c7c3c48604aa7a26baf05d8d9cc0d079ee2bacf..2967da6e692f565022fbd5861236742e9656f8ef 100644
--- a/app/views/admin/projects/show.html.haml
+++ b/app/views/admin/projects/show.html.haml
@@ -65,9 +65,16 @@
               = @project.repository.path_to_repo
 
           %li
-            %span.light Size
-            %strong
-              = repository_size(@project)
+            %span.light Storage:
+            %strong= storage_counter(@project.statistics.storage_size)
+            (
+            = storage_counter(@project.statistics.repository_size)
+            repository,
+            = storage_counter(@project.statistics.build_artifacts_size)
+            build artifacts,
+            = storage_counter(@project.statistics.lfs_objects_size)
+            LFS
+            )
 
           %li
             %span.light last commit:
diff --git a/app/views/groups/projects.html.haml b/app/views/groups/projects.html.haml
index 33fee334d93f805e6f602ccbbe624be77a43b95b..2e7e5e5c30950386fb05194bafa2ba0320991dbd 100644
--- a/app/views/groups/projects.html.haml
+++ b/app/views/groups/projects.html.haml
@@ -18,8 +18,8 @@
         .pull-right
           - if project.archived
             %span.label.label-warning archived
-          %span.label.label-gray
-            = repository_size(project)
+          %span.badge
+            = storage_counter(project.statistics.storage_size)
           = link_to 'Members', namespace_project_project_members_path(project.namespace, project), id: "edit_#{dom_id(project)}", class: "btn btn-sm"
           = link_to 'Edit', edit_namespace_project_path(project.namespace, project), id: "edit_#{dom_id(project)}", class: "btn btn-sm"
           = link_to 'Remove', project, data: { confirm: remove_project_message(project)}, method: :delete, class: "btn btn-sm btn-remove"
diff --git a/app/views/projects/deploy_keys/_deploy_key.html.haml b/app/views/projects/deploy_keys/_deploy_key.html.haml
index 450aaeb367c1b35ee9db78e929171f13bcd189ed..d1e3cb1402269d3a57a65bf90294ee92d66daf39 100644
--- a/app/views/projects/deploy_keys/_deploy_key.html.haml
+++ b/app/views/projects/deploy_keys/_deploy_key.html.haml
@@ -6,6 +6,9 @@
       = deploy_key.title
     .description
       = deploy_key.fingerprint
+    - if deploy_key.can_push?
+      .write-access-allowed
+        Write access allowed
   .deploy-key-content.prepend-left-default.deploy-key-projects
     - deploy_key.projects.each do |project|
       - if can?(current_user, :read_project, project)
diff --git a/app/views/projects/deploy_keys/_form.html.haml b/app/views/projects/deploy_keys/_form.html.haml
index 901605f7ca3bc05c1f2d757c40ab926f9dafa905..c91bb9c255af73aa71f5ce2cf939b25bae19c500 100644
--- a/app/views/projects/deploy_keys/_form.html.haml
+++ b/app/views/projects/deploy_keys/_form.html.haml
@@ -10,4 +10,13 @@
     %p.light.append-bottom-0
       Paste a machine public key here. Read more about how to generate it
       = link_to "here", help_page_path("ssh/README")
+  .form-group
+    .checkbox
+      = f.label :can_push do
+        = f.check_box :can_push
+        %strong Write access allowed
+  .form-group
+    %p.light.append-bottom-0
+      Allow this key to push to repository as well? (Default only allows pull access.)
+
   = f.submit "Add key", class: "btn-create btn"
diff --git a/app/views/projects/diffs/_file_header.html.haml b/app/views/projects/diffs/_file_header.html.haml
index d3ed8e1bf3897cb701f575d0614a95e7e32a6cec..90c9a0c6c2b3edb22cd01fba125c07de210b5f95 100644
--- a/app/views/projects/diffs/_file_header.html.haml
+++ b/app/views/projects/diffs/_file_header.html.haml
@@ -21,7 +21,7 @@
       - if diff_file.deleted_file
         deleted
 
-  = clipboard_button(clipboard_text: diff_file.new_path, class: 'btn-clipboard btn-transparent prepend-left-5', title: 'Copy filename to clipboard')
+  = clipboard_button(clipboard_text: diff_file.new_path, class: 'btn-clipboard btn-transparent prepend-left-5', title: 'Copy file path to clipboard')
 
   - if diff_file.mode_changed?
     %small
diff --git a/app/views/projects/issues/_new_branch.html.haml b/app/views/projects/issues/_new_branch.html.haml
index c56b6cc11f5e40ba5798356779f7cc39c5ed8f2a..4589e1122796e05582e48915fee5c0287ccc8b5a 100644
--- a/app/views/projects/issues/_new_branch.html.haml
+++ b/app/views/projects/issues/_new_branch.html.haml
@@ -1,9 +1,6 @@
 - if can?(current_user, :push_code, @project)
   .pull-right
     #new-branch.new-branch{'data-path' => can_create_branch_namespace_project_issue_path(@project.namespace, @project, @issue)}
-      = link_to '#', class: 'checking btn btn-grouped', disabled: 'disabled' do
-        = icon('spinner spin')
-        Checking branches
       = link_to namespace_project_branches_path(@project.namespace, @project, branch_name: @issue.to_branch_name, issue_iid: @issue.iid),
         method: :post, class: 'btn btn-new btn-inverted btn-grouped has-tooltip available hide', title: @issue.to_branch_name do
         New branch
diff --git a/app/views/projects/mattermosts/_team_selection.html.haml b/app/views/projects/mattermosts/_team_selection.html.haml
index 7980f7c9a7201f4775bc3d127b6020a260134f7e..24e86b8497f665474d8301903bda6d32ce8a4408 100644
--- a/app/views/projects/mattermosts/_team_selection.html.haml
+++ b/app/views/projects/mattermosts/_team_selection.html.haml
@@ -8,7 +8,9 @@
     = @teams.one? ? 'The team' : 'Select the team'
     where the slash commands will be used in
   - selected_id = @teams.keys.first if @teams.one?
-  = f.select(:team_id, mattermost_teams_options(@teams), {}, { class: 'form-control', selected: "#{selected_id}", disabled: @teams.one? })
+  - options = mattermost_teams_options(@teams)
+  - options = options_for_select(options, selected_id)
+  = f.select(:team_id, options, {}, { class: 'form-control', selected: "#{selected_id}" })
   .help-block
     - if @teams.one?
       This is the only team where you are an administrator.
diff --git a/app/views/projects/show.html.haml b/app/views/projects/show.html.haml
index a915c159cb413775797e3b1088005beeca16d0a7..80d4081dd7bd06fe25bd104d1fa51e178293d043 100644
--- a/app/views/projects/show.html.haml
+++ b/app/views/projects/show.html.haml
@@ -17,10 +17,10 @@
     %ul.nav
       %li
         = link_to project_files_path(@project) do
-          Files (#{repository_size})
+          Files (#{storage_counter(@project.statistics.total_repository_size)})
       %li
         = link_to namespace_project_commits_path(@project.namespace, @project, current_ref) do
-          #{'Commit'.pluralize(@project.commit_count)} (#{number_with_delimiter(@project.commit_count)})
+          #{'Commit'.pluralize(@project.statistics.commit_count)} (#{number_with_delimiter(@project.statistics.commit_count)})
       %li
         = link_to namespace_project_branches_path(@project.namespace, @project) do
           #{'Branch'.pluralize(@repository.branch_count)} (#{number_with_delimiter(@repository.branch_count)})
@@ -70,8 +70,8 @@
             = link_to 'Set up Koding', add_koding_stack_path(@project)
         - if @repository.gitlab_ci_yml.blank? && @project.deployment_service.present?
           %li.missing
-            = link_to add_special_file_path(@project, file_name: '.gitlab-ci.yml', commit_message: 'Set up autodeploy', target_branch: 'autodeploy', context: 'autodeploy') do
-              Set up autodeploy
+            = link_to add_special_file_path(@project, file_name: '.gitlab-ci.yml', commit_message: 'Set up auto deploy', target_branch: 'auto-deploy', context: 'autodeploy') do
+              Set up auto deploy
 
   - if @repository.commit
     .project-last-commit{ class: container_class }
diff --git a/app/workers/project_cache_worker.rb b/app/workers/project_cache_worker.rb
index 27d7e6527210cc503e4ce68a42b15ea4bb3ed91b..8ff9d07860fdf0ab9eaf7ca85cdca43a0e9b6749 100644
--- a/app/workers/project_cache_worker.rb
+++ b/app/workers/project_cache_worker.rb
@@ -6,26 +6,27 @@ class ProjectCacheWorker
   LEASE_TIMEOUT = 15.minutes.to_i
 
   # project_id - The ID of the project for which to flush the cache.
-  # refresh - An Array containing extra types of data to refresh such as
-  #           `:readme` to flush the README and `:changelog` to flush the
-  #           CHANGELOG.
-  def perform(project_id, refresh = [])
+  # files - An Array containing extra types of files to refresh such as
+  #         `:readme` to flush the README and `:changelog` to flush the
+  #         CHANGELOG.
+  # statistics - An Array containing columns from ProjectStatistics to
+  #              refresh, if empty all columns will be refreshed
+  def perform(project_id, files = [], statistics = [])
     project = Project.find_by(id: project_id)
 
     return unless project && project.repository.exists?
 
-    update_repository_size(project)
-    project.update_commit_count
+    update_statistics(project, statistics.map(&:to_sym))
 
-    project.repository.refresh_method_caches(refresh.map(&:to_sym))
+    project.repository.refresh_method_caches(files.map(&:to_sym))
   end
 
-  def update_repository_size(project)
-    return unless try_obtain_lease_for(project.id, :update_repository_size)
+  def update_statistics(project, statistics = [])
+    return unless try_obtain_lease_for(project.id, :update_statistics)
 
-    Rails.logger.info("Updating repository size for project #{project.id}")
+    Rails.logger.info("Updating statistics for project #{project.id}")
 
-    project.update_repository_size
+    project.statistics.refresh!(only: statistics)
   end
 
   private
diff --git a/changelogs/unreleased/25705-your-commands-have-been-executed-is-overkill.yml b/changelogs/unreleased/25705-your-commands-have-been-executed-is-overkill.yml
new file mode 100644
index 0000000000000000000000000000000000000000..850e98518a6e8f25ecb17c80c091cb33a034e748
--- /dev/null
+++ b/changelogs/unreleased/25705-your-commands-have-been-executed-is-overkill.yml
@@ -0,0 +1,3 @@
+---
+title: Replace wording for slash command confirmation message
+merge_request: 8123
diff --git a/changelogs/unreleased/25909-fix-mr-list-timestamp-alignment.yml b/changelogs/unreleased/25909-fix-mr-list-timestamp-alignment.yml
new file mode 100644
index 0000000000000000000000000000000000000000..454d879943219540e0599411add3bc0f2b2b0f5e
--- /dev/null
+++ b/changelogs/unreleased/25909-fix-mr-list-timestamp-alignment.yml
@@ -0,0 +1,4 @@
+---
+title: Fix mr list timestamp alignment
+merge_request: 8271
+author:
diff --git a/changelogs/unreleased/25931-gitlab-merge-request-view-crash-when-commiting-a-js-sourcemap-file.yml b/changelogs/unreleased/25931-gitlab-merge-request-view-crash-when-commiting-a-js-sourcemap-file.yml
new file mode 100644
index 0000000000000000000000000000000000000000..023ec1abcfa401b6d68742d65c57228eb2118841
--- /dev/null
+++ b/changelogs/unreleased/25931-gitlab-merge-request-view-crash-when-commiting-a-js-sourcemap-file.yml
@@ -0,0 +1,4 @@
+---
+title: Fix timeout when MR contains large files marked as binary by .gitattributes
+merge_request:
+author:
diff --git a/changelogs/unreleased/26026-pipeline-overflow-firefox.yml b/changelogs/unreleased/26026-pipeline-overflow-firefox.yml
new file mode 100644
index 0000000000000000000000000000000000000000..bf11d877c7e7eacea5f5c0b26f149d02ee78f6b2
--- /dev/null
+++ b/changelogs/unreleased/26026-pipeline-overflow-firefox.yml
@@ -0,0 +1,4 @@
+---
+title: Fix line breaking in nodes of the pipeline graph in firefox
+merge_request: 8292
+author:
diff --git a/changelogs/unreleased/26038-fix-confedential-warning-text-alignment.yml b/changelogs/unreleased/26038-fix-confedential-warning-text-alignment.yml
new file mode 100644
index 0000000000000000000000000000000000000000..420be5a3b102505d9fff35b9c147a4b56615855b
--- /dev/null
+++ b/changelogs/unreleased/26038-fix-confedential-warning-text-alignment.yml
@@ -0,0 +1,4 @@
+---
+title: Fixes confendential warning text alignment
+merge_request: 8293
+author:
diff --git a/changelogs/unreleased/26040-hide-scroll-top.yml b/changelogs/unreleased/26040-hide-scroll-top.yml
new file mode 100644
index 0000000000000000000000000000000000000000..f68cb1dd51d9a333a56017e9a5713522c92fa010
--- /dev/null
+++ b/changelogs/unreleased/26040-hide-scroll-top.yml
@@ -0,0 +1,4 @@
+---
+title: Hide Scroll Top button for failed build page
+merge_request: 8295
+author:
diff --git a/changelogs/unreleased/auto-deploy-with-space.yml b/changelogs/unreleased/auto-deploy-with-space.yml
new file mode 100644
index 0000000000000000000000000000000000000000..a206e3ae85c03fa27eb65d98bfca185bb0b631c5
--- /dev/null
+++ b/changelogs/unreleased/auto-deploy-with-space.yml
@@ -0,0 +1,4 @@
+---
+title: Rename "autodeploy" to "auto deploy"
+merge_request:
+author:
diff --git a/changelogs/unreleased/changelog-mr8322.yml b/changelogs/unreleased/changelog-mr8322.yml
new file mode 100644
index 0000000000000000000000000000000000000000..c645ed418af9699857ab9056f77e689c2ede8f3f
--- /dev/null
+++ b/changelogs/unreleased/changelog-mr8322.yml
@@ -0,0 +1,4 @@
+---
+title: Disable PostgreSQL statement timeouts when removing unneeded services
+merge_request: 8322
+author:
diff --git a/changelogs/unreleased/dz-rename-invalid-users.yml b/changelogs/unreleased/dz-rename-invalid-users.yml
new file mode 100644
index 0000000000000000000000000000000000000000..f420b069531231d4f9d98b5a18f0d3635e2aac78
--- /dev/null
+++ b/changelogs/unreleased/dz-rename-invalid-users.yml
@@ -0,0 +1,4 @@
+---
+title: Rename users with namespace ending with .git
+merge_request: 8309
+author:
diff --git a/changelogs/unreleased/feature-1376-allow-write-access-deploy-keys.yml b/changelogs/unreleased/feature-1376-allow-write-access-deploy-keys.yml
new file mode 100644
index 0000000000000000000000000000000000000000..0fd590a877b2f1f9d0daf8709d84d25fac006a40
--- /dev/null
+++ b/changelogs/unreleased/feature-1376-allow-write-access-deploy-keys.yml
@@ -0,0 +1,4 @@
+---
+title: Allow to add deploy keys with write-access
+merge_request: 5807
+author: Ali Ibrahim
diff --git a/changelogs/unreleased/feature-more-storage-statistics.yml b/changelogs/unreleased/feature-more-storage-statistics.yml
new file mode 100644
index 0000000000000000000000000000000000000000..824fd36dc34dbb4ff0be0aa9a773728c6ca17105
--- /dev/null
+++ b/changelogs/unreleased/feature-more-storage-statistics.yml
@@ -0,0 +1,4 @@
+---
+title: Add more storage statistics
+merge_request: 7754
+author: Markus Koller
diff --git a/changelogs/unreleased/filename-to-file-path.yml b/changelogs/unreleased/filename-to-file-path.yml
new file mode 100644
index 0000000000000000000000000000000000000000..3c6c838595a5196af051051655300b737cff0730
--- /dev/null
+++ b/changelogs/unreleased/filename-to-file-path.yml
@@ -0,0 +1,3 @@
+---
+title: Rename filename to file path in tooltip of file header in merge request diff
+merge_request: 8314
\ No newline at end of file
diff --git a/changelogs/unreleased/fix-latest-pipeine-ordering.yml b/changelogs/unreleased/fix-latest-pipeine-ordering.yml
new file mode 100644
index 0000000000000000000000000000000000000000..b155d51741b0dacd15572ccb8bb1656b4d043236
--- /dev/null
+++ b/changelogs/unreleased/fix-latest-pipeine-ordering.yml
@@ -0,0 +1,4 @@
+---
+title: Fix finding the latest pipeline
+merge_request: 8301
+author:
diff --git a/changelogs/unreleased/label-gfm-error-fix.yml b/changelogs/unreleased/label-gfm-error-fix.yml
new file mode 100644
index 0000000000000000000000000000000000000000..37f311d479077dcacf0ac98cfffda2d57d242a6b
--- /dev/null
+++ b/changelogs/unreleased/label-gfm-error-fix.yml
@@ -0,0 +1,4 @@
+---
+title: Fixed GFM autocomplete error when no data exists
+merge_request:
+author:
diff --git a/changelogs/unreleased/re-style-issue-new-branch.yml b/changelogs/unreleased/re-style-issue-new-branch.yml
new file mode 100644
index 0000000000000000000000000000000000000000..977a54ff2aedaeabe04a49675451baa5ca7ef49e
--- /dev/null
+++ b/changelogs/unreleased/re-style-issue-new-branch.yml
@@ -0,0 +1,3 @@
+---
+title: Remove checking branches state in issue new branch button
+merge_request: 8023
diff --git a/changelogs/unreleased/resolve-note-svg-color.yml b/changelogs/unreleased/resolve-note-svg-color.yml
new file mode 100644
index 0000000000000000000000000000000000000000..500d4e9d5b1ce4166b24de206151f01ef0421644
--- /dev/null
+++ b/changelogs/unreleased/resolve-note-svg-color.yml
@@ -0,0 +1,4 @@
+---
+title: Fixed resolve discussion note button color
+merge_request:
+author:
diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
index 3d1a41a46525d29327b2f7f0db903fb5a6794acf..d4197da3fa9b9a51c81bb915538ea56af2c36ef6 100644
--- a/config/initializers/inflections.rb
+++ b/config/initializers/inflections.rb
@@ -10,5 +10,5 @@
 # end
 #
 ActiveSupport::Inflector.inflections do |inflect|
-  inflect.uncountable %w(award_emoji)
+  inflect.uncountable %w(award_emoji project_statistics)
 end
diff --git a/db/migrate/20160811172945_add_can_push_to_keys.rb b/db/migrate/20160811172945_add_can_push_to_keys.rb
new file mode 100644
index 0000000000000000000000000000000000000000..5fd303fe8fbdfd2fd5d499721fb78ff49f9acbcc
--- /dev/null
+++ b/db/migrate/20160811172945_add_can_push_to_keys.rb
@@ -0,0 +1,14 @@
+class AddCanPushToKeys < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+  disable_ddl_transaction!
+
+  DOWNTIME = false
+
+  def up
+    add_column_with_default(:keys, :can_push, :boolean, default: false, allow_null: false)
+  end
+
+  def down
+    remove_column(:keys, :can_push)
+  end
+end
diff --git a/db/migrate/20161201155511_create_project_statistics.rb b/db/migrate/20161201155511_create_project_statistics.rb
new file mode 100644
index 0000000000000000000000000000000000000000..26e6d3623eb1317526fc2a5ae504010e411ba81a
--- /dev/null
+++ b/db/migrate/20161201155511_create_project_statistics.rb
@@ -0,0 +1,20 @@
+class CreateProjectStatistics < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    # use bigint columns to support values >2GB
+    counter_column = { limit: 8, null: false, default: 0 }
+
+    create_table :project_statistics do |t|
+      t.references :project, null: false, index: { unique: true }, foreign_key: { on_delete: :cascade }
+      t.references :namespace, null: false, index: true
+      t.integer :commit_count, counter_column
+      t.integer :storage_size, counter_column
+      t.integer :repository_size, counter_column
+      t.integer :lfs_objects_size, counter_column
+      t.integer :build_artifacts_size, counter_column
+    end
+  end
+end
diff --git a/db/migrate/20161201160452_migrate_project_statistics.rb b/db/migrate/20161201160452_migrate_project_statistics.rb
new file mode 100644
index 0000000000000000000000000000000000000000..3ae3f2c159b57c9c09e74ae6db2cbe5693650ce4
--- /dev/null
+++ b/db/migrate/20161201160452_migrate_project_statistics.rb
@@ -0,0 +1,23 @@
+class MigrateProjectStatistics < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = true
+  DOWNTIME_REASON = 'Removes two columns from the projects table'
+
+  def up
+    # convert repository_size in float (megabytes) to integer (bytes),
+    # initialize total storage_size with repository_size
+    execute <<-EOF
+      INSERT INTO project_statistics (project_id, namespace_id, commit_count, storage_size, repository_size)
+        SELECT id, namespace_id, commit_count, (repository_size * 1024 * 1024), (repository_size * 1024 * 1024) FROM projects
+    EOF
+
+    remove_column :projects, :repository_size
+    remove_column :projects, :commit_count
+  end
+
+  def down
+    add_column_with_default :projects, :repository_size, :float, default: 0.0
+    add_column_with_default :projects, :commit_count, :integer, default: 0
+  end
+end
diff --git a/db/migrate/20161226122833_remove_dot_git_from_usernames.rb b/db/migrate/20161226122833_remove_dot_git_from_usernames.rb
new file mode 100644
index 0000000000000000000000000000000000000000..809b09feb849223274cdb6db76cfc02723e02e07
--- /dev/null
+++ b/db/migrate/20161226122833_remove_dot_git_from_usernames.rb
@@ -0,0 +1,87 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class RemoveDotGitFromUsernames < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+  include Gitlab::ShellAdapter
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  def up
+    invalid_users.each do |user|
+      id = user['id']
+      namespace_id = user['namespace_id']
+      path_was = user['username']
+      path_was_wildcard = quote_string("#{path_was}/%")
+      path = quote_string(rename_path(path_was))
+
+      move_namespace(namespace_id, path_was, path)
+
+      execute "UPDATE routes SET path = '#{path}' WHERE source_type = 'Namespace' AND source_id = #{namespace_id}"
+      execute "UPDATE namespaces SET path = '#{path}' WHERE id = #{namespace_id}"
+      execute "UPDATE users SET username = '#{path}' WHERE id = #{id}"
+
+      select_all("SELECT id, path FROM routes WHERE path LIKE '#{path_was_wildcard}'").each do |route|
+        new_path = "#{path}/#{route['path'].split('/').last}"
+        execute "UPDATE routes SET path = '#{new_path}' WHERE id = #{route['id']}"
+      end
+    end
+  end
+
+  def down
+    # nothing to do here
+  end
+
+  private
+
+  def invalid_users
+    select_all("SELECT u.id, u.username, n.path AS namespace_path, n.id AS namespace_id FROM users u
+                INNER JOIN namespaces n ON n.owner_id = u.id
+                WHERE n.type is NULL AND n.path LIKE '%.git'")
+  end
+
+  def route_exists?(path)
+    select_all("SELECT id, path FROM routes WHERE path = '#{quote_string(path)}'").present?
+  end
+
+  # Accepts invalid path like test.git and returns test_git or
+  # test_git1 if test_git already taken
+  def rename_path(path)
+    # To stay closer with original name and reduce risk of duplicates
+    # we rename suffix instead of removing it
+    path = path.sub(/\.git\z/, '_git')
+
+    counter = 0
+    base = path
+
+    while route_exists?(path)
+      counter += 1
+      path = "#{base}#{counter}"
+    end
+
+    path
+  end
+
+  def move_namespace(namespace_id, path_was, path)
+    repository_storage_paths = select_all("SELECT distinct(repository_storage) FROM projects WHERE namespace_id = #{namespace_id}").map do |row|
+      Gitlab.config.repositories.storages[row['repository_storage']]
+    end.compact
+
+    # Move the namespace directory in all storages paths used by member projects
+    repository_storage_paths.each do |repository_storage_path|
+      # Ensure old directory exists before moving it
+      gitlab_shell.add_namespace(repository_storage_path, path_was)
+
+      unless gitlab_shell.mv_namespace(repository_storage_path, path_was, path)
+        Rails.logger.error "Exception moving path #{repository_storage_path} from #{path_was} to #{path}"
+
+        # if we cannot move namespace directory we should rollback
+        # db changes in order to prevent out of sync between db and fs
+        raise Exception.new('namespace directory cannot be moved')
+      end
+    end
+
+    Gitlab::UploadsTransfer.new.rename_namespace(path_was, path)
+  end
+end
diff --git a/db/post_migrate/20161221140236_remove_unneeded_services.rb b/db/post_migrate/20161221140236_remove_unneeded_services.rb
index a94ccc43a41d56c4943c7d1eef2346b6d4b38ef7..6b7e94c864124cefc1dfbbba4b2a85d10d0dd93d 100644
--- a/db/post_migrate/20161221140236_remove_unneeded_services.rb
+++ b/db/post_migrate/20161221140236_remove_unneeded_services.rb
@@ -4,6 +4,8 @@ class RemoveUnneededServices < ActiveRecord::Migration
   DOWNTIME = false
 
   def up
+    disable_statement_timeout
+
     execute("DELETE FROM services WHERE active = false AND properties = '{}';")
   end
 
diff --git a/db/schema.rb b/db/schema.rb
index e48ce9f4ca588e84a72de31f2e0633e0da18bcfb..e1e72bdae8f40a424425d4c59adef0b1b6d639e6 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20161221153951) do
+ActiveRecord::Schema.define(version: 20161226122833) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -527,6 +527,7 @@ ActiveRecord::Schema.define(version: 20161221153951) do
     t.string "type"
     t.string "fingerprint"
     t.boolean "public", default: false, null: false
+    t.boolean "can_push", default: false, null: false
   end
 
   add_index "keys", ["fingerprint"], name: "index_keys_on_fingerprint", unique: true, using: :btree
@@ -901,6 +902,19 @@ ActiveRecord::Schema.define(version: 20161221153951) do
 
   add_index "project_import_data", ["project_id"], name: "index_project_import_data_on_project_id", using: :btree
 
+  create_table "project_statistics", force: :cascade do |t|
+    t.integer "project_id", null: false
+    t.integer "namespace_id", null: false
+    t.integer "commit_count", limit: 8, default: 0, null: false
+    t.integer "storage_size", limit: 8, default: 0, null: false
+    t.integer "repository_size", limit: 8, default: 0, null: false
+    t.integer "lfs_objects_size", limit: 8, default: 0, null: false
+    t.integer "build_artifacts_size", limit: 8, default: 0, null: false
+  end
+
+  add_index "project_statistics", ["namespace_id"], name: "index_project_statistics_on_namespace_id", using: :btree
+  add_index "project_statistics", ["project_id"], name: "index_project_statistics_on_project_id", unique: true, using: :btree
+
   create_table "projects", force: :cascade do |t|
     t.string "name"
     t.string "path"
@@ -915,11 +929,9 @@ ActiveRecord::Schema.define(version: 20161221153951) do
     t.boolean "archived", default: false, null: false
     t.string "avatar"
     t.string "import_status"
-    t.float "repository_size", default: 0.0
     t.integer "star_count", default: 0, null: false
     t.string "import_type"
     t.string "import_source"
-    t.integer "commit_count", default: 0
     t.text "import_error"
     t.integer "ci_id"
     t.boolean "shared_runners_enabled", default: true, null: false
@@ -1288,9 +1300,10 @@ ActiveRecord::Schema.define(version: 20161221153951) do
   add_foreign_key "personal_access_tokens", "users"
   add_foreign_key "project_authorizations", "projects", on_delete: :cascade
   add_foreign_key "project_authorizations", "users", on_delete: :cascade
+  add_foreign_key "project_statistics", "projects", on_delete: :cascade
   add_foreign_key "protected_branch_merge_access_levels", "protected_branches"
   add_foreign_key "protected_branch_push_access_levels", "protected_branches"
   add_foreign_key "subscriptions", "projects", on_delete: :cascade
   add_foreign_key "trending_projects", "projects", on_delete: :cascade
   add_foreign_key "u2f_registrations", "users"
-end
+end
\ No newline at end of file
diff --git a/doc/administration/build_artifacts.md b/doc/administration/build_artifacts.md
index 3ba8387c7f0e7c14fa87dc16cb0953f1147c928d..cca422892ec62840fedd1e1dd1f80670950a53e2 100644
--- a/doc/administration/build_artifacts.md
+++ b/doc/administration/build_artifacts.md
@@ -88,3 +88,9 @@ artifacts through the [Admin area settings](../user/admin_area/settings/continuo
 
 [reconfigure gitlab]: restart_gitlab.md "How to restart GitLab"
 [restart gitlab]: restart_gitlab.md "How to restart GitLab"
+
+## Storage statistics
+
+You can see the total storage used for build artifacts on groups and projects
+in the administration area, as well as through the [groups](../api/groups.md)
+and [projects APIs](../api/projects.md).
diff --git a/doc/api/deploy_keys.md b/doc/api/deploy_keys.md
index 5f248ab6f91b5c2a8d2e13ec81e50b46224967d6..284d5f88c55e2b704dee9b3133236b556e9c0dca 100644
--- a/doc/api/deploy_keys.md
+++ b/doc/api/deploy_keys.md
@@ -20,12 +20,14 @@ Example response:
     "id": 1,
     "title": "Public key",
     "key": "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAIEAiPWx6WM4lhHNedGfBpPJNPpZ7yKu+dnn1SJejgt4596k6YjzGGphH2TUxwKzxcKDKKezwkpfnxPkSMkuEspGRt/aZZ9wa++Oi7Qkr8prgHc4soW6NUlfDzpvZK2H5E7eQaSeP3SAwGmQKUFHCddNaP0L+hM7zhFNzjFvpaMgJw0=",
+    "can_push": false,
     "created_at": "2013-10-02T10:12:29Z"
   },
   {
     "id": 3,
     "title": "Another Public key",
     "key": "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAIEAiPWx6WM4lhHNedGfBpPJNPpZ7yKu+dnn1SJejgt4596k6YjzGGphH2TUxwKzxcKDKKezwkpfnxPkSMkuEspGRt/aZZ9wa++Oi7Qkr8prgHc4soW6NUlfDzpvZK2H5E7eQaSeP3SAwGmQKUFHCddNaP0L+hM7zhFNzjFvpaMgJw0=",
+    "can_push": true,
     "created_at": "2013-10-02T11:12:29Z"
   }
 ]
@@ -55,12 +57,14 @@ Example response:
     "id": 1,
     "title": "Public key",
     "key": "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAIEAiPWx6WM4lhHNedGfBpPJNPpZ7yKu+dnn1SJejgt4596k6YjzGGphH2TUxwKzxcKDKKezwkpfnxPkSMkuEspGRt/aZZ9wa++Oi7Qkr8prgHc4soW6NUlfDzpvZK2H5E7eQaSeP3SAwGmQKUFHCddNaP0L+hM7zhFNzjFvpaMgJw0=",
+    "can_push": false,
     "created_at": "2013-10-02T10:12:29Z"
   },
   {
     "id": 3,
     "title": "Another Public key",
     "key": "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAIEAiPWx6WM4lhHNedGfBpPJNPpZ7yKu+dnn1SJejgt4596k6YjzGGphH2TUxwKzxcKDKKezwkpfnxPkSMkuEspGRt/aZZ9wa++Oi7Qkr8prgHc4soW6NUlfDzpvZK2H5E7eQaSeP3SAwGmQKUFHCddNaP0L+hM7zhFNzjFvpaMgJw0=",
+    "can_push": false,
     "created_at": "2013-10-02T11:12:29Z"
   }
 ]
@@ -92,6 +96,7 @@ Example response:
   "id": 1,
   "title": "Public key",
   "key": "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAIEAiPWx6WM4lhHNedGfBpPJNPpZ7yKu+dnn1SJejgt4596k6YjzGGphH2TUxwKzxcKDKKezwkpfnxPkSMkuEspGRt/aZZ9wa++Oi7Qkr8prgHc4soW6NUlfDzpvZK2H5E7eQaSeP3SAwGmQKUFHCddNaP0L+hM7zhFNzjFvpaMgJw0=",
+  "can_push": false,
   "created_at": "2013-10-02T10:12:29Z"
 }
 ```
@@ -107,14 +112,15 @@ project only if original one was is accessible by the same user.
 POST /projects/:id/deploy_keys
 ```
 
-| Attribute | Type | Required | Description |
-| --------- | ---- | -------- | ----------- |
-| `id`    | integer | yes | The ID of the project |
-| `title` | string  | yes | New deploy key's title |
-| `key`   | string  | yes | New deploy key |
+| Attribute  | Type | Required | Description |
+| ---------  | ---- | -------- | ----------- |
+| `id`       | integer | yes | The ID of the project |
+| `title`    | string  | yes | New deploy key's title |
+| `key`      | string  | yes | New deploy key |
+| `can_push` | boolean | no  | Can deploy key push to the project's repository |
 
 ```bash
-curl --request POST --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" --header "Content-Type: application/json" --data '{"title": "My deploy key", "key": "ssh-rsa AAAA..."}' "https://gitlab.example.com/api/v3/projects/5/deploy_keys/"
+curl --request POST --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" --header "Content-Type: application/json" --data '{"title": "My deploy key", "key": "ssh-rsa AAAA...", "can_push": "true"}' "https://gitlab.example.com/api/v3/projects/5/deploy_keys/"
 ```
 
 Example response:
@@ -124,6 +130,7 @@ Example response:
    "key" : "ssh-rsa AAAA...",
    "id" : 12,
    "title" : "My deploy key",
+   "can_push": true,
    "created_at" : "2015-08-29T12:44:31.550Z"
 }
 ```
diff --git a/doc/api/groups.md b/doc/api/groups.md
index 134d7bda22f19702441cbdd0d72fd391537b6444..bc737bff8eec9fa2a660da4345b67dc761449d91 100644
--- a/doc/api/groups.md
+++ b/doc/api/groups.md
@@ -13,6 +13,7 @@ Parameters:
 | `search` | string | no | Return list of authorized groups matching the search criteria |
 | `order_by` | string | no | Order groups by `name` or `path`. Default is `name` |
 | `sort` | string | no | Order groups in `asc` or `desc` order. Default is `asc` |
+| `statistics` | boolean | no | Include group statistics (admins only) |
 
 ```
 GET /groups
@@ -31,7 +32,6 @@ GET /groups
 
 You can search for groups by name or path, see below.
 
-=======
 ## List owned groups
 
 Get a list of groups which are owned by the authenticated user.
@@ -40,6 +40,12 @@ Get a list of groups which are owned by the authenticated user.
 GET /groups/owned
 ```
 
+Parameters:
+
+| Attribute | Type | Required | Description |
+| --------- | ---- | -------- | ----------- |
+| `statistics` | boolean | no | Include group statistics |
+
 ## List a group's projects
 
 Get a list of projects in this group.
diff --git a/doc/api/projects.md b/doc/api/projects.md
index edffad555a584270f364cc9a8d9dfe6845cc2c64..122075bbd115eabe4ec7776158b30073c87f7929 100644
--- a/doc/api/projects.md
+++ b/doc/api/projects.md
@@ -307,6 +307,8 @@ Parameters:
 | `order_by` | string | no | Return projects ordered by `id`, `name`, `path`, `created_at`, `updated_at`, or `last_activity_at` fields. Default is `created_at` |
 | `sort` | string | no | Return projects sorted in `asc` or `desc` order. Default is `desc` |
 | `search` | string | no | Return list of authorized projects matching the search criteria |
+| `simple` | boolean | no | Return only the ID, URL, name, and path of each project |
+| `statistics` | boolean | no | Include project statistics |
 
 ### List starred projects
 
@@ -325,6 +327,7 @@ Parameters:
 | `order_by` | string | no | Return projects ordered by `id`, `name`, `path`, `created_at`, `updated_at`, or `last_activity_at` fields. Default is `created_at` |
 | `sort` | string | no | Return projects sorted in `asc` or `desc` order. Default is `desc` |
 | `search` | string | no | Return list of authorized projects matching the search criteria |
+| `simple` | boolean | no | Return only the ID, URL, name, and path of each project |
 
 ### List ALL projects
 
@@ -343,6 +346,7 @@ Parameters:
 | `order_by` | string | no | Return projects ordered by `id`, `name`, `path`, `created_at`, `updated_at`, or `last_activity_at` fields. Default is `created_at` |
 | `sort` | string | no | Return projects sorted in `asc` or `desc` order. Default is `desc` |
 | `search` | string | no | Return list of authorized projects matching the search criteria |
+| `statistics` | boolean | no | Include project statistics |
 
 ### Get single project
 
diff --git a/doc/ci/README.md b/doc/ci/README.md
index 6a9495f8892fe5f20c4f7666c0c037cf44bc7159..dd14698e9cd5b51cef54c8edb78e90194e3104bf 100644
--- a/doc/ci/README.md
+++ b/doc/ci/README.md
@@ -23,7 +23,7 @@
 - [CI/CD pipelines settings](../user/project/pipelines/settings.md)
 - [Review Apps](review_apps/index.md)
 - [Git submodules](git_submodules.md) Using Git submodules in your CI jobs
-- [Autodeploy](autodeploy/index.md)
+- [Auto deploy](autodeploy/index.md)
 
 ## Breaking changes
 
diff --git a/doc/ci/autodeploy/img/auto_deploy_button.png b/doc/ci/autodeploy/img/auto_deploy_button.png
new file mode 100644
index 0000000000000000000000000000000000000000..423e76a6cdaf3eb599210315357acd57f40fa898
Binary files /dev/null and b/doc/ci/autodeploy/img/auto_deploy_button.png differ
diff --git a/doc/ci/autodeploy/img/auto_deploy_dropdown.png b/doc/ci/autodeploy/img/auto_deploy_dropdown.png
new file mode 100644
index 0000000000000000000000000000000000000000..957870ec8c73484df9531a4fac3b950a3a934408
Binary files /dev/null and b/doc/ci/autodeploy/img/auto_deploy_dropdown.png differ
diff --git a/doc/ci/autodeploy/img/autodeploy_button.png b/doc/ci/autodeploy/img/autodeploy_button.png
deleted file mode 100644
index 9e2cd57a0bafb2abe820fd4970dea3db4cdfe17b..0000000000000000000000000000000000000000
Binary files a/doc/ci/autodeploy/img/autodeploy_button.png and /dev/null differ
diff --git a/doc/ci/autodeploy/img/autodeploy_dropdown.png b/doc/ci/autodeploy/img/autodeploy_dropdown.png
deleted file mode 100644
index d2733de83dffcd44c8b3c9c1be3582eb2e451108..0000000000000000000000000000000000000000
Binary files a/doc/ci/autodeploy/img/autodeploy_dropdown.png and /dev/null differ
diff --git a/doc/ci/autodeploy/index.md b/doc/ci/autodeploy/index.md
index 9c79d8c457e8b675b4d06604c4a168bde219d0c4..630207ffa09a4f0b6df542343dcaab2e5a21053f 100644
--- a/doc/ci/autodeploy/index.md
+++ b/doc/ci/autodeploy/index.md
@@ -1,8 +1,8 @@
-# Autodeploy
+# Auto deploy
 
 > [Introduced][mr-8135] in GitLab 8.15.
 
-Autodeploy is an easy way to configure GitLab CI for the deployment of your
+Auto deploy is an easy way to configure GitLab CI for the deployment of your
 application. GitLab Community maintains a list of `.gitlab-ci.yml`
 templates for various infrastructure providers and deployment scripts
 powering them. These scripts are responsible for packaging your application,
@@ -15,7 +15,7 @@ deployment.
 
 ## Supported templates
 
-The list of supported autodeploy templates is available [here][autodeploy-templates].
+The list of supported auto deploy templates is available [here][auto-deploy-templates].
 
 ## Configuration
 
@@ -24,17 +24,17 @@ credentials. For example, if you want to deploy to OpenShift you have to
 enable [Kubernetes service][kubernetes-service].
 1. Configure GitLab Runner to use Docker or Kubernetes executor with
 [privileged mode enabled][docker-in-docker].
-1. Navigate to the "Project" tab and click "Set up autodeploy" button.
-   ![Autodeploy button](img/autodeploy_button.png)
+1. Navigate to the "Project" tab and click "Set up auto deploy" button.
+   ![Auto deploy button](img/auto_deploy_button.png)
 1. Select a template.
-  ![Dropdown with autodeploy templates](img/autodeploy_dropdown.png)
+  ![Dropdown with auto deploy templates](img/auto_deploy_dropdown.png)
 1. Commit your changes and create a merge request.
 1. Test your deployment configuration using a [Review App][review-app] that was
 created automatically for you.
 
 [mr-8135]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/8135
 [project-services]: ../../project_services/project_services.md
-[autodeploy-templates]: https://gitlab.com/gitlab-org/gitlab-ci-yml/tree/master/autodeploy
+[auto-deploy-templates]: https://gitlab.com/gitlab-org/gitlab-ci-yml/tree/master/autodeploy
 [kubernetes-service]: ../../project_services/kubernetes.md
 [docker-in-docker]: ../docker/using_docker_build.md#use-docker-in-docker-executor
 [review-app]: ../review_apps/index.md
diff --git a/doc/development/ux_guide/copy.md b/doc/development/ux_guide/copy.md
index 8896d450f14cb35c6896e9aed453c2f51ef4fb61..e48897426cb19c5d0855b5f5d4f92b42e6511f2e 100644
--- a/doc/development/ux_guide/copy.md
+++ b/doc/development/ux_guide/copy.md
@@ -101,3 +101,11 @@ The form should be titled `Edit issue`. The submit button should be labeled `Sav
 | Approve | Approve an open merge request ||
 | Remove approval, unapproved | Remove approval of an open merge request | Do not use `unapprove` as that is not an English word|
 | Merge | Merge an open merge request ||
+
+### Comments & Discussions
+
+#### Comment
+A **comment** is a written piece of text that users of GitLab can create. Comments have the meta data of author and time stamp. Comments can be added in a variety of contexts, such as issues, merge requests, and discussions.
+
+#### Dicussion
+A **discussion** is a group of 1 or more comments. A discussion can include sub discussions. Some discussions have the special capability of being able to be **resolved**. Both the comments in the discussion and the discussion itself can be resolved.
\ No newline at end of file
diff --git a/doc/workflow/lfs/lfs_administration.md b/doc/workflow/lfs/lfs_administration.md
index b3c73e947f03510e47c8a82e29b388d3d5edfb1e..5f6a718135d898bd051f896881663bb75af6629d 100644
--- a/doc/workflow/lfs/lfs_administration.md
+++ b/doc/workflow/lfs/lfs_administration.md
@@ -40,6 +40,12 @@ In `config/gitlab.yml`:
     storage_path: /mnt/storage/lfs-objects
 ```
 
+## Storage statistics
+
+You can see the total storage used for LFS objects on groups and projects
+in the administration area, as well as through the [groups](../api/groups.md)
+and [projects APIs](../api/projects.md).
+
 ## Known limitations
 
 * Currently, storing GitLab Git LFS objects on a non-local storage (like S3 buckets)
@@ -47,3 +53,5 @@ In `config/gitlab.yml`:
 * Currently, removing LFS objects from GitLab Git LFS storage is not supported
 * LFS authentications via SSH was added with GitLab 8.12
 * Only compatible with the GitLFS client versions 1.1.0 and up, or 1.0.2.
+* The storage statistics currently count each LFS object multiple times for
+  every project linking to it
diff --git a/features/admin/deploy_keys.feature b/features/admin/deploy_keys.feature
new file mode 100644
index 0000000000000000000000000000000000000000..95ac77cddd232540d8f6c9988547f882d501838e
--- /dev/null
+++ b/features/admin/deploy_keys.feature
@@ -0,0 +1,23 @@
+@admin
+Feature: Admin Deploy Keys
+  Background:
+    Given I sign in as an admin
+    And there are public deploy keys in system
+
+  Scenario: Deploy Keys list
+    When I visit admin deploy keys page
+    Then I should see all public deploy keys
+
+  Scenario: Deploy Keys new
+    When I visit admin deploy keys page
+    And I click 'New Deploy Key'
+    And I submit new deploy key
+    Then I should be on admin deploy keys page
+    And I should see newly created deploy key without write access
+
+  Scenario: Deploy Keys new with write access
+    When I visit admin deploy keys page
+    And I click 'New Deploy Key'
+    And I submit new deploy key with write access
+    Then I should be on admin deploy keys page
+    And I should see newly created deploy key with write access
diff --git a/features/steps/admin/deploy_keys.rb b/features/steps/admin/deploy_keys.rb
new file mode 100644
index 0000000000000000000000000000000000000000..79312a5d1c54aff62b6a343d9a39a21535a42743
--- /dev/null
+++ b/features/steps/admin/deploy_keys.rb
@@ -0,0 +1,59 @@
+class Spinach::Features::AdminDeployKeys < Spinach::FeatureSteps
+  include SharedAuthentication
+  include SharedPaths
+  include SharedAdmin
+
+  step 'there are public deploy keys in system' do
+    create(:deploy_key, public: true)
+    create(:another_deploy_key, public: true)
+  end
+
+  step 'I should see all public deploy keys' do
+    DeployKey.are_public.each do |p|
+      expect(page).to have_content p.title
+    end
+  end
+
+  step 'I visit admin deploy key page' do
+    visit admin_deploy_key_path(deploy_key)
+  end
+
+  step 'I visit admin deploy keys page' do
+    visit admin_deploy_keys_path
+  end
+
+  step 'I click \'New Deploy Key\'' do
+    click_link 'New Deploy Key'
+  end
+
+  step 'I submit new deploy key' do
+    fill_in "deploy_key_title", with: "laptop"
+    fill_in "deploy_key_key", with: "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAzrEJUIR6Y03TCE9rIJ+GqTBvgb8t1jI9h5UBzCLuK4VawOmkLornPqLDrGbm6tcwM/wBrrLvVOqi2HwmkKEIecVO0a64A4rIYScVsXIniHRS6w5twyn1MD3sIbN+socBDcaldECQa2u1dI3tnNVcs8wi77fiRe7RSxePsJceGoheRQgC8AZ510UdIlO+9rjIHUdVN7LLyz512auAfYsgx1OfablkQ/XJcdEwDNgi9imI6nAXhmoKUm1IPLT2yKajTIC64AjLOnE0YyCh6+7RFMpiMyu1qiOCpdjYwTgBRiciNRZCH8xIedyCoAmiUgkUT40XYHwLuwiPJICpkAzp7Q== user@laptop"
+    click_button "Create"
+  end
+
+  step 'I submit new deploy key with write access' do
+    fill_in "deploy_key_title", with: "server"
+    fill_in "deploy_key_key", with: "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAzrEJUIR6Y03TCE9rIJ+GqTBvgb8t1jI9h5UBzCLuK4VawOmkLornPqLDrGbm6tcwM/wBrrLvVOqi2HwmkKEIecVO0a64A4rIYScVsXIniHRS6w5twyn1MD3sIbN+socBDcaldECQa2u1dI3tnNVcs8wi77fiRe7RSxePsJceGoheRQgC8AZ510UdIlO+9rjIHUdVN7LLyz512auAfYsgx1OfablkQ/XJcdEwDNgi9imI6nAXhmoKUm1IPLT2yKajTIC64AjLOnE0YyCh6+7RFMpiMyu1qiOCpdjYwTgBRiciNRZCH8xIedyCoAmiUgkUT40XYHwLuwiPJICpkAzp7Q== user@laptop"
+    check "deploy_key_can_push"
+    click_button "Create"
+  end
+
+  step 'I should be on admin deploy keys page' do
+    expect(current_path).to eq admin_deploy_keys_path
+  end
+
+  step 'I should see newly created deploy key without write access' do
+    expect(page).to have_content(deploy_key.title)
+    expect(page).to have_content('No')
+  end
+
+  step 'I should see newly created deploy key with write access' do
+    expect(page).to have_content(deploy_key.title)
+    expect(page).to have_content('Yes')
+  end
+
+  def deploy_key
+    @deploy_key ||= DeployKey.are_public.first
+  end
+end
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index dfbb3ab86dd23c00f55c84a9e978290862068808..d2fadf6a3d076ac87c38bb5e3d6434718b405754 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -78,21 +78,21 @@ module API
       expose :container_registry_enabled
 
       # Expose old field names with the new permissions methods to keep API compatible
-      expose(:issues_enabled) { |project, options| project.feature_available?(:issues, options[:user]) }
-      expose(:merge_requests_enabled) { |project, options| project.feature_available?(:merge_requests, options[:user]) }
-      expose(:wiki_enabled) { |project, options| project.feature_available?(:wiki, options[:user]) }
-      expose(:builds_enabled) { |project, options| project.feature_available?(:builds, options[:user]) }
-      expose(:snippets_enabled) { |project, options| project.feature_available?(:snippets, options[:user]) }
+      expose(:issues_enabled) { |project, options| project.feature_available?(:issues, options[:current_user]) }
+      expose(:merge_requests_enabled) { |project, options| project.feature_available?(:merge_requests, options[:current_user]) }
+      expose(:wiki_enabled) { |project, options| project.feature_available?(:wiki, options[:current_user]) }
+      expose(:builds_enabled) { |project, options| project.feature_available?(:builds, options[:current_user]) }
+      expose(:snippets_enabled) { |project, options| project.feature_available?(:snippets, options[:current_user]) }
 
       expose :created_at, :last_activity_at
       expose :shared_runners_enabled
       expose :lfs_enabled?, as: :lfs_enabled
       expose :creator_id
-      expose :namespace
+      expose :namespace, using: 'API::Entities::Namespace'
       expose :forked_from_project, using: Entities::BasicProjectDetails, if: lambda{ |project, options| project.forked? }
       expose :avatar_url
       expose :star_count, :forks_count
-      expose :open_issues_count, if: lambda { |project, options| project.feature_available?(:issues, options[:user]) && project.default_issues_tracker? }
+      expose :open_issues_count, if: lambda { |project, options| project.feature_available?(:issues, options[:current_user]) && project.default_issues_tracker? }
       expose :runners_token, if: lambda { |_project, options| options[:user_can_admin_project] }
       expose :public_builds
       expose :shared_with_groups do |project, options|
@@ -101,6 +101,16 @@ module API
       expose :only_allow_merge_if_build_succeeds
       expose :request_access_enabled
       expose :only_allow_merge_if_all_discussions_are_resolved
+
+      expose :statistics, using: 'API::Entities::ProjectStatistics', if: :statistics
+    end
+
+    class ProjectStatistics < Grape::Entity
+      expose :commit_count
+      expose :storage_size
+      expose :repository_size
+      expose :lfs_objects_size
+      expose :build_artifacts_size
     end
 
     class Member < UserBasic
@@ -127,6 +137,15 @@ module API
       expose :avatar_url
       expose :web_url
       expose :request_access_enabled
+
+      expose :statistics, if: :statistics do
+        with_options format_with: -> (value) { value.to_i } do
+          expose :storage_size
+          expose :repository_size
+          expose :lfs_objects_size
+          expose :build_artifacts_size
+        end
+      end
     end
 
     class GroupDetail < Group
@@ -298,7 +317,7 @@ module API
     end
 
     class SSHKey < Grape::Entity
-      expose :id, :title, :key, :created_at
+      expose :id, :title, :key, :created_at, :can_push
     end
 
     class SSHKeyWithUser < SSHKey
@@ -391,7 +410,7 @@ module API
     end
 
     class Namespace < Grape::Entity
-      expose :id, :path, :kind
+      expose :id, :name, :path, :kind
     end
 
     class MemberAccess < Grape::Entity
@@ -440,12 +459,12 @@ module API
     class ProjectWithAccess < Project
       expose :permissions do
         expose :project_access, using: Entities::ProjectAccess do |project, options|
-          project.project_members.find_by(user_id: options[:user].id)
+          project.project_members.find_by(user_id: options[:current_user].id)
         end
 
         expose :group_access, using: Entities::GroupAccess do |project, options|
           if project.group
-            project.group.group_members.find_by(user_id: options[:user].id)
+            project.group.group_members.find_by(user_id: options[:current_user].id)
           end
         end
       end
diff --git a/lib/api/groups.rb b/lib/api/groups.rb
index 9b9d3df74359a97aee4dceda1588b92d0a116077..e04d2e40fb6f6ed2886d84fe962f2261939f530e 100644
--- a/lib/api/groups.rb
+++ b/lib/api/groups.rb
@@ -11,6 +11,20 @@ module API
         optional :lfs_enabled, type: Boolean, desc: 'Enable/disable LFS for the projects in this group'
         optional :request_access_enabled, type: Boolean, desc: 'Allow users to request member access'
       end
+
+      params :statistics_params do
+        optional :statistics, type: Boolean, default: false, desc: 'Include project statistics'
+      end
+
+      def present_groups(groups, options = {})
+        options = options.reverse_merge(
+          with: Entities::Group,
+          current_user: current_user,
+        )
+
+        groups = groups.with_statistics if options[:statistics]
+        present paginate(groups), options
+      end
     end
 
     resource :groups do
@@ -18,6 +32,7 @@ module API
         success Entities::Group
       end
       params do
+        use :statistics_params
         optional :skip_groups, type: Array[Integer], desc: 'Array of group ids to exclude from list'
         optional :all_available, type: Boolean, desc: 'Show all group that you have access to'
         optional :search, type: String, desc: 'Search for a specific group'
@@ -38,7 +53,7 @@ module API
         groups = groups.where.not(id: params[:skip_groups]) if params[:skip_groups].present?
         groups = groups.reorder(params[:order_by] => params[:sort])
 
-        present paginate(groups), with: Entities::Group
+        present_groups groups, statistics: params[:statistics] && current_user.is_admin?
       end
 
       desc 'Get list of owned groups for authenticated user' do
@@ -46,10 +61,10 @@ module API
       end
       params do
         use :pagination
+        use :statistics_params
       end
       get '/owned' do
-        groups = current_user.owned_groups
-        present paginate(groups), with: Entities::Group, user: current_user
+        present_groups current_user.owned_groups, statistics: params[:statistics]
       end
 
       desc 'Create a group. Available only for users who can create groups.' do
@@ -66,7 +81,7 @@ module API
         group = ::Groups::CreateService.new(current_user, declared_params(include_missing: false)).execute
 
         if group.persisted?
-          present group, with: Entities::Group
+          present group, with: Entities::Group, current_user: current_user
         else
           render_api_error!("Failed to save group #{group.errors.messages}", 400)
         end
@@ -92,7 +107,7 @@ module API
         authorize! :admin_group, group
 
         if ::Groups::UpdateService.new(group, current_user, declared_params(include_missing: false)).execute
-          present group, with: Entities::GroupDetail
+          present group, with: Entities::GroupDetail, current_user: current_user
         else
           render_validation_error!(group)
         end
@@ -103,7 +118,7 @@ module API
       end
       get ":id" do
         group = find_group!(params[:id])
-        present group, with: Entities::GroupDetail
+        present group, with: Entities::GroupDetail, current_user: current_user
       end
 
       desc 'Remove a group.'
@@ -134,7 +149,7 @@ module API
         projects = GroupProjectsFinder.new(group).execute(current_user)
         projects = filter_projects(projects)
         entity = params[:simple] ? Entities::BasicProjectDetails : Entities::Project
-        present paginate(projects), with: entity, user: current_user
+        present paginate(projects), with: entity, current_user: current_user
       end
 
       desc 'Transfer a project to the group namespace. Available only for admin.' do
@@ -150,7 +165,7 @@ module API
         result = ::Projects::TransferService.new(project, current_user).execute(group)
 
         if result
-          present group, with: Entities::GroupDetail
+          present group, with: Entities::GroupDetail, current_user: current_user
         else
           render_api_error!("Failed to transfer project #{project.errors.messages}", 400)
         end
diff --git a/lib/api/helpers.rb b/lib/api/helpers.rb
index 4be659fc20bd50df9a9ba4ff8b071b2e7bfafd25..fe00c83bff3d71a633e714009e4d40191ea6c05a 100644
--- a/lib/api/helpers.rb
+++ b/lib/api/helpers.rb
@@ -248,7 +248,7 @@ module API
       rack_response({ 'message' => '500 Internal Server Error' }.to_json, 500)
     end
 
-    # Projects helpers
+    # project helpers
 
     def filter_projects(projects)
       if params[:search].present?
diff --git a/lib/api/projects.rb b/lib/api/projects.rb
index 2929d2157dc72b16fac0b4fdb5c22b189f3e20cd..3be14e8eb763cb6d95614c1f4ba11fb2ff7973bc 100644
--- a/lib/api/projects.rb
+++ b/lib/api/projects.rb
@@ -40,6 +40,15 @@ module API
 
     resource :projects do
       helpers do
+        params :collection_params do
+          use :sort_params
+          use :filter_params
+          use :pagination
+
+          optional :simple, type: Boolean, default: false,
+                            desc: 'Return only the ID, URL, name, and path of each project'
+        end
+
         params :sort_params do
           optional :order_by, type: String, values: %w[id name path created_at updated_at last_activity_at],
                               default: 'created_at', desc: 'Return projects ordered by field'
@@ -52,97 +61,94 @@ module API
           optional :visibility, type: String, values: %w[public internal private],
                                 desc: 'Limit by visibility'
           optional :search, type: String, desc: 'Return list of authorized projects matching the search criteria'
-          use :sort_params
+        end
+
+        params :statistics_params do
+          optional :statistics, type: Boolean, default: false, desc: 'Include project statistics'
         end
 
         params :create_params do
           optional :namespace_id, type: Integer, desc: 'Namespace ID for the new project. Default to the user namespace.'
           optional :import_url, type: String, desc: 'URL from which the project is imported'
         end
+
+        def present_projects(projects, options = {})
+          options = options.reverse_merge(
+            with: Entities::Project,
+            current_user: current_user,
+            simple: params[:simple],
+          )
+
+          projects = filter_projects(projects)
+          projects = projects.with_statistics if options[:statistics]
+          options[:with] = Entities::BasicProjectDetails if options[:simple]
+
+          present paginate(projects), options
+        end
       end
 
       desc 'Get a list of visible projects for authenticated user' do
         success Entities::BasicProjectDetails
       end
       params do
-        optional :simple, type: Boolean, default: false,
-                          desc: 'Return only the ID, URL, name, and path of each project'
-        use :filter_params
-        use :pagination
+        use :collection_params
       end
       get '/visible' do
-        projects = ProjectsFinder.new.execute(current_user)
-        projects = filter_projects(projects)
-        entity = params[:simple] || !current_user ? Entities::BasicProjectDetails : Entities::ProjectWithAccess
-
-        present paginate(projects), with: entity, user: current_user
+        entity = current_user ? Entities::ProjectWithAccess : Entities::BasicProjectDetails
+        present_projects ProjectsFinder.new.execute(current_user), with: entity
       end
 
       desc 'Get a projects list for authenticated user' do
         success Entities::BasicProjectDetails
       end
       params do
-        optional :simple, type: Boolean, default: false,
-                          desc: 'Return only the ID, URL, name, and path of each project'
-        use :filter_params
-        use :pagination
+        use :collection_params
       end
       get do
         authenticate!
 
-        projects = current_user.authorized_projects
-        projects = filter_projects(projects)
-        entity = params[:simple] ? Entities::BasicProjectDetails : Entities::ProjectWithAccess
-
-        present paginate(projects), with: entity, user: current_user
+        present_projects current_user.authorized_projects,
+          with: Entities::ProjectWithAccess
       end
 
       desc 'Get an owned projects list for authenticated user' do
         success Entities::BasicProjectDetails
       end
       params do
-        use :filter_params
-        use :pagination
+        use :collection_params
+        use :statistics_params
       end
       get '/owned' do
         authenticate!
 
-        projects = current_user.owned_projects
-        projects = filter_projects(projects)
-
-        present paginate(projects), with: Entities::ProjectWithAccess, user: current_user
+        present_projects current_user.owned_projects,
+          with: Entities::ProjectWithAccess,
+          statistics: params[:statistics]
       end
 
       desc 'Gets starred project for the authenticated user' do
         success Entities::BasicProjectDetails
       end
       params do
-        use :filter_params
-        use :pagination
+        use :collection_params
       end
       get '/starred' do
         authenticate!
 
-        projects = current_user.viewable_starred_projects
-        projects = filter_projects(projects)
-
-        present paginate(projects), with: Entities::Project, user: current_user
+        present_projects current_user.viewable_starred_projects
       end
 
       desc 'Get all projects for admin user' do
         success Entities::BasicProjectDetails
       end
       params do
-        use :filter_params
-        use :pagination
+        use :collection_params
+        use :statistics_params
       end
       get '/all' do
         authenticated_as_admin!
 
-        projects = Project.all
-        projects = filter_projects(projects)
-
-        present paginate(projects), with: Entities::ProjectWithAccess, user: current_user
+        present_projects Project.all, with: Entities::ProjectWithAccess, statistics: params[:statistics]
       end
 
       desc 'Search for projects the current user has access to' do
@@ -221,7 +227,7 @@ module API
       end
       get ":id" do
         entity = current_user ? Entities::ProjectWithAccess : Entities::BasicProjectDetails
-        present user_project, with: entity, user: current_user,
+        present user_project, with: entity, current_user: current_user,
                               user_can_admin_project: can?(current_user, :admin_project, user_project)
       end
 
diff --git a/lib/gitlab/auth/result.rb b/lib/gitlab/auth/result.rb
index 6be7f690676b0169dfb1f27e5c12032d5ece35bc..39b86c61a18f30da55fcc72fc9b0f7a4b68fcaad 100644
--- a/lib/gitlab/auth/result.rb
+++ b/lib/gitlab/auth/result.rb
@@ -9,8 +9,7 @@ module Gitlab
 
       def lfs_deploy_token?(for_project)
         type == :lfs_deploy_token &&
-          actor &&
-          actor.projects.include?(for_project)
+          actor.try(:has_access_to?, for_project)
       end
 
       def success?
diff --git a/lib/gitlab/checks/change_access.rb b/lib/gitlab/checks/change_access.rb
index 3d203017d9f4a1311c600fd7d0a5e3a726e45c59..9c391fa92a3173f2b97ddbbbcc33e9eebb422b2b 100644
--- a/lib/gitlab/checks/change_access.rb
+++ b/lib/gitlab/checks/change_access.rb
@@ -1,14 +1,16 @@
 module Gitlab
   module Checks
     class ChangeAccess
-      attr_reader :user_access, :project
+      attr_reader :user_access, :project, :skip_authorization
 
-      def initialize(change, user_access:, project:, env: {})
+      def initialize(
+        change, user_access:, project:, env: {}, skip_authorization: false)
         @oldrev, @newrev, @ref = change.values_at(:oldrev, :newrev, :ref)
         @branch_name = Gitlab::Git.branch_name(@ref)
         @user_access = user_access
         @project = project
         @env = env
+        @skip_authorization = skip_authorization
       end
 
       def exec
@@ -24,6 +26,7 @@ module Gitlab
       protected
 
       def protected_branch_checks
+        return if skip_authorization
         return unless @branch_name
         return unless project.protected_branch?(@branch_name)
 
@@ -49,6 +52,8 @@ module Gitlab
       end
 
       def tag_checks
+        return if skip_authorization
+
         tag_ref = Gitlab::Git.tag_name(@ref)
 
         if tag_ref && protected_tag?(tag_ref) && user_access.cannot_do_action?(:admin_project)
@@ -57,6 +62,8 @@ module Gitlab
       end
 
       def push_checks
+        return if skip_authorization
+
         if user_access.cannot_do_action?(:push_code)
           "You are not allowed to push code to this project."
         end
diff --git a/lib/gitlab/diff/file_collection/merge_request_diff.rb b/lib/gitlab/diff/file_collection/merge_request_diff.rb
index 56530448f3603475b68161bf684d40a8df20f9ea..329d12f13d161210356d1d6342c01b2ca77b85c1 100644
--- a/lib/gitlab/diff/file_collection/merge_request_diff.rb
+++ b/lib/gitlab/diff/file_collection/merge_request_diff.rb
@@ -61,7 +61,10 @@ module Gitlab
         end
 
         def cacheable?(diff_file)
-          @merge_request_diff.present? && diff_file.blob && diff_file.blob.text?
+          @merge_request_diff.present? &&
+            diff_file.blob &&
+            diff_file.blob.text? &&
+            @project.repository.diffable?(diff_file.blob)
         end
 
         def cache_key
diff --git a/lib/gitlab/email/reply_parser.rb b/lib/gitlab/email/reply_parser.rb
index f586c5ab062100f3cf08b1bc2ec200ec30135e62..8c8dd1b9cef492395cd0d216d2b8d3a9c3200885 100644
--- a/lib/gitlab/email/reply_parser.rb
+++ b/lib/gitlab/email/reply_parser.rb
@@ -13,9 +13,17 @@ module Gitlab
 
         encoding = body.encoding
 
-        body = discourse_email_trimmer(body)
+        body = EmailReplyTrimmer.trim(body)
 
-        body = EmailReplyParser.parse_reply(body)
+        return '' unless body
+
+        # not using /\s+$/ here because that deletes empty lines
+        body = body.gsub(/[ \t]$/, '')
+
+        # NOTE: We currently don't support empty quotes.
+        # EmailReplyTrimmer allows this as a special case,
+        # so we detect it manually here.
+        return "" if body.lines.all? { |l| l.strip.empty? || l.start_with?('>') }
 
         body.force_encoding(encoding).encode("UTF-8")
       end
@@ -57,30 +65,6 @@ module Gitlab
       rescue
         nil
       end
-
-      REPLYING_HEADER_LABELS = %w(From Sent To Subject Reply To Cc Bcc Date)
-      REPLYING_HEADER_REGEX = Regexp.union(REPLYING_HEADER_LABELS.map { |label| "#{label}:" })
-
-      def discourse_email_trimmer(body)
-        lines = body.scrub.lines.to_a
-        range_end = 0
-
-        lines.each_with_index do |l, idx|
-          # This one might be controversial but so many reply lines have years, times and end with a colon.
-          # Let's try it and see how well it works.
-          break if (l =~ /\d{4}/ && l =~ /\d:\d\d/ && l =~ /\:$/) ||
-              (l =~ /On \w+ \d+,? \d+,?.*wrote:/)
-
-          # Headers on subsequent lines
-          break if (0..2).all? { |off| lines[idx + off] =~ REPLYING_HEADER_REGEX }
-          # Headers on the same line
-          break if REPLYING_HEADER_LABELS.count { |label| l.include?(label) } >= 3
-
-          range_end = idx
-        end
-
-        lines[0..range_end].join.strip
-      end
     end
   end
 end
diff --git a/lib/gitlab/git_access.rb b/lib/gitlab/git_access.rb
index c6b6efda360cb9a752e8128e2a6cb6c942977050..7e1484613f2895f6be896eec1e487d83a8aaf7fc 100644
--- a/lib/gitlab/git_access.rb
+++ b/lib/gitlab/git_access.rb
@@ -7,7 +7,8 @@ module Gitlab
     ERROR_MESSAGES = {
       upload: 'You are not allowed to upload code for this project.',
       download: 'You are not allowed to download code from this project.',
-      deploy_key: 'Deploy keys are not allowed to push code.',
+      deploy_key_upload:
+        'This deploy key does not have write access to this project.',
       no_repo: 'A repository for this project does not exist yet.'
     }
 
@@ -31,12 +32,13 @@ module Gitlab
       check_active_user!
       check_project_accessibility!
       check_command_existence!(cmd)
+      check_repository_existence!
 
       case cmd
       when *DOWNLOAD_COMMANDS
-        download_access_check
+        check_download_access!
       when *PUSH_COMMANDS
-        push_access_check(changes)
+        check_push_access!(changes)
       end
 
       build_status_object(true)
@@ -44,32 +46,10 @@ module Gitlab
       build_status_object(false, ex.message)
     end
 
-    def download_access_check
-      if user
-        user_download_access_check
-      elsif deploy_key.nil? && !guest_can_downlod_code?
-        raise UnauthorizedError, ERROR_MESSAGES[:download]
-      end
-    end
-
-    def push_access_check(changes)
-      if user
-        user_push_access_check(changes)
-      else
-        raise UnauthorizedError, ERROR_MESSAGES[deploy_key ? :deploy_key : :upload]
-      end
-    end
-
-    def guest_can_downlod_code?
+    def guest_can_download_code?
       Guest.can?(:download_code, project)
     end
 
-    def user_download_access_check
-      unless user_can_download_code? || build_can_download_code?
-        raise UnauthorizedError, ERROR_MESSAGES[:download]
-      end
-    end
-
     def user_can_download_code?
       authentication_abilities.include?(:download_code) && user_access.can_do_action?(:download_code)
     end
@@ -78,35 +58,6 @@ module Gitlab
       authentication_abilities.include?(:build_download_code) && user_access.can_do_action?(:build_download_code)
     end
 
-    def user_push_access_check(changes)
-      unless authentication_abilities.include?(:push_code)
-        raise UnauthorizedError, ERROR_MESSAGES[:upload]
-      end
-
-      if changes.blank?
-        return # Allow access.
-      end
-
-      unless project.repository.exists?
-        raise UnauthorizedError, ERROR_MESSAGES[:no_repo]
-      end
-
-      changes_list = Gitlab::ChangesList.new(changes)
-
-      # Iterate over all changes to find if user allowed all of them to be applied
-      changes_list.each do |change|
-        status = change_access_check(change)
-        unless status.allowed?
-          # If user does not have access to make at least one change - cancel all push
-          raise UnauthorizedError, status.message
-        end
-      end
-    end
-
-    def change_access_check(change)
-      Checks::ChangeAccess.new(change, user_access: user_access, project: project, env: @env).exec
-    end
-
     def protocol_allowed?
       Gitlab::ProtocolAccess.allowed?(protocol)
     end
@@ -120,6 +71,8 @@ module Gitlab
     end
 
     def check_active_user!
+      return if deploy_key?
+
       if user && !user_access.allowed?
         raise UnauthorizedError, "Your account has been blocked."
       end
@@ -137,33 +90,92 @@ module Gitlab
       end
     end
 
-    def matching_merge_request?(newrev, branch_name)
-      Checks::MatchingMergeRequest.new(newrev, branch_name, project).match?
+    def check_repository_existence!
+      unless project.repository.exists?
+        raise UnauthorizedError, ERROR_MESSAGES[:no_repo]
+      end
     end
 
-    def deploy_key
-      actor if actor.is_a?(DeployKey)
+    def check_download_access!
+      return if deploy_key?
+
+      passed = user_can_download_code? ||
+        build_can_download_code? ||
+        guest_can_download_code?
+
+      unless passed
+        raise UnauthorizedError, ERROR_MESSAGES[:download]
+      end
     end
 
-    def deploy_key_can_read_project?
+    def check_push_access!(changes)
       if deploy_key
-        return true if project.public?
-        deploy_key.projects.include?(project)
+        check_deploy_key_push_access!
+      elsif user
+        check_user_push_access!
       else
-        false
+        raise UnauthorizedError, ERROR_MESSAGES[:upload]
       end
+
+      return if changes.blank? # Allow access.
+
+      check_change_access!(changes)
     end
 
-    def can_read_project?
-      if user
-        user_access.can_read_project?
-      elsif deploy_key
-        deploy_key_can_read_project?
-      else
-        Guest.can?(:read_project, project)
+    def check_user_push_access!
+      unless authentication_abilities.include?(:push_code)
+        raise UnauthorizedError, ERROR_MESSAGES[:upload]
       end
     end
 
+    def check_deploy_key_push_access!
+      unless deploy_key.can_push_to?(project)
+        raise UnauthorizedError, ERROR_MESSAGES[:deploy_key_upload]
+      end
+    end
+
+    def check_change_access!(changes)
+      changes_list = Gitlab::ChangesList.new(changes)
+
+      # Iterate over all changes to find if user allowed all of them to be applied
+      changes_list.each do |change|
+        status = check_single_change_access(change)
+        unless status.allowed?
+          # If user does not have access to make at least one change - cancel all push
+          raise UnauthorizedError, status.message
+        end
+      end
+    end
+
+    def check_single_change_access(change)
+      Checks::ChangeAccess.new(
+        change,
+        user_access: user_access,
+        project: project,
+        env: @env,
+        skip_authorization: deploy_key?).exec
+    end
+
+    def matching_merge_request?(newrev, branch_name)
+      Checks::MatchingMergeRequest.new(newrev, branch_name, project).match?
+    end
+
+    def deploy_key
+      actor if deploy_key?
+    end
+
+    def deploy_key?
+      actor.is_a?(DeployKey)
+    end
+
+    def can_read_project?
+      if deploy_key
+        deploy_key.has_access_to?(project)
+      elsif user
+        user.can?(:read_project, project)
+      end || Guest.can?(:read_project, project)
+    end
+
     protected
 
     def user
diff --git a/lib/gitlab/git_access_wiki.rb b/lib/gitlab/git_access_wiki.rb
index 2c06c4ff1ef0cfb7eaea2c1efcbeebb2f46009ec..67eaa5e088d87a86f7c679a535be198156d53f9d 100644
--- a/lib/gitlab/git_access_wiki.rb
+++ b/lib/gitlab/git_access_wiki.rb
@@ -1,6 +1,6 @@
 module Gitlab
   class GitAccessWiki < GitAccess
-    def guest_can_downlod_code?
+    def guest_can_download_code?
       Guest.can?(:download_wiki_code, project)
     end
 
@@ -8,7 +8,7 @@ module Gitlab
       authentication_abilities.include?(:download_code) && user_access.can_do_action?(:download_wiki_code)
     end
 
-    def change_access_check(change)
+    def check_single_change_access(change)
       if user_access.can_do_action?(:create_wiki)
         build_status_object(true)
       else
diff --git a/lib/gitlab/template/gitlab_ci_yml_template.rb b/lib/gitlab/template/gitlab_ci_yml_template.rb
index d19b0a520434f92e6f498038bea64b2afe3d8429..9d2ecee97569583d91eaa9c5659c789b45e5e097 100644
--- a/lib/gitlab/template/gitlab_ci_yml_template.rb
+++ b/lib/gitlab/template/gitlab_ci_yml_template.rb
@@ -15,7 +15,7 @@ module Gitlab
           {
             'General' => '',
             'Pages' => 'Pages',
-            'Autodeploy' => 'autodeploy'
+            'Auto deploy' => 'autodeploy'
           }
         end
 
@@ -28,7 +28,7 @@ module Gitlab
         end
 
         def dropdown_names(context)
-          categories = context == 'autodeploy' ? ['Autodeploy'] : ['General', 'Pages']
+          categories = context == 'autodeploy' ? ['Auto deploy'] : ['General', 'Pages']
           super().slice(*categories)
         end
       end
diff --git a/lib/gitlab/user_access.rb b/lib/gitlab/user_access.rb
index 9858d2e7d83b64404a5a8de49a7b74fab0a54821..6c7e673fb9fbf332714a07d18a4c26fba75c0edb 100644
--- a/lib/gitlab/user_access.rb
+++ b/lib/gitlab/user_access.rb
@@ -8,6 +8,8 @@ module Gitlab
     end
 
     def can_do_action?(action)
+      return false if no_user_or_blocked?
+
       @permission_cache ||= {}
       @permission_cache[action] ||= user.can?(action, project)
     end
@@ -17,7 +19,7 @@ module Gitlab
     end
 
     def allowed?
-      return false if user.blank? || user.blocked?
+      return false if no_user_or_blocked?
 
       if user.requires_ldap_check? && user.try_obtain_ldap_lease
         return false unless Gitlab::LDAP::Access.allowed?(user)
@@ -27,7 +29,7 @@ module Gitlab
     end
 
     def can_push_to_branch?(ref)
-      return false unless user
+      return false if no_user_or_blocked?
 
       if project.protected_branch?(ref)
         return true if project.empty_repo? && project.user_can_push_to_empty_repo?(user)
@@ -40,7 +42,7 @@ module Gitlab
     end
 
     def can_merge_to_branch?(ref)
-      return false unless user
+      return false if no_user_or_blocked?
 
       if project.protected_branch?(ref)
         access_levels = project.protected_branches.matching(ref).map(&:merge_access_levels).flatten
@@ -51,9 +53,15 @@ module Gitlab
     end
 
     def can_read_project?
-      return false unless user
+      return false if no_user_or_blocked?
 
       user.can?(:read_project, project)
     end
+
+    private
+
+    def no_user_or_blocked?
+      user.nil? || user.blocked?
+    end
   end
 end
diff --git a/lib/tasks/gitlab/import.rake b/lib/tasks/gitlab/import.rake
index dbdd4e977e8becc230551f32abbda26a691ab8b6..a2eca74a3c833bddde99d6b9a2e704eb65759182 100644
--- a/lib/tasks/gitlab/import.rake
+++ b/lib/tasks/gitlab/import.rake
@@ -63,8 +63,7 @@ namespace :gitlab do
 
             if project.persisted?
               puts " * Created #{project.name} (#{repo_path})".color(:green)
-              project.update_repository_size
-              project.update_commit_count
+              ProjectCacheWorker.perform(project.id)
             else
               puts " * Failed trying to create #{project.name} (#{repo_path})".color(:red)
               puts "   Errors: #{project.errors.messages}".color(:red)
diff --git a/lib/tasks/gitlab/update_commit_count.rake b/lib/tasks/gitlab/update_commit_count.rake
deleted file mode 100644
index 3bd10b0208bf7fa78cc40c784d871715c8767047..0000000000000000000000000000000000000000
--- a/lib/tasks/gitlab/update_commit_count.rake
+++ /dev/null
@@ -1,20 +0,0 @@
-namespace :gitlab do
-  desc "GitLab | Update commit count for projects"
-  task update_commit_count: :environment do
-    projects = Project.where(commit_count: 0)
-    puts "#{projects.size} projects need to be updated. This might take a while."
-    ask_to_continue unless ENV['force'] == 'yes'
-
-    projects.find_each(batch_size: 100) do |project|
-      print "#{project.name_with_namespace.color(:yellow)} ... "
-
-      unless project.repo_exists?
-        puts "skipping, because the repo is empty".color(:magenta)
-        next
-      end
-
-      project.update_commit_count
-      puts project.commit_count.to_s.color(:green)
-    end
-  end
-end
diff --git a/spec/factories/lfs_objects.rb b/spec/factories/lfs_objects.rb
index a81645acd2b86814489de798a3c2d9fb8534a52a..477fab9e964d8c145e48e1032ac74541dbf64dd6 100644
--- a/spec/factories/lfs_objects.rb
+++ b/spec/factories/lfs_objects.rb
@@ -2,7 +2,7 @@ include ActionDispatch::TestProcess
 
 FactoryGirl.define do
   factory :lfs_object do
-    oid "b68143e6463773b1b6c6fd009a76c32aeec041faff32ba2ed42fd7f708a17f80"
+    sequence(:oid) { |n| "b68143e6463773b1b6c6fd009a76c32aeec041faff32ba2ed42fd7f708a%05x" % n }
     size 499013
   end
 
diff --git a/spec/factories/project_statistics.rb b/spec/factories/project_statistics.rb
new file mode 100644
index 0000000000000000000000000000000000000000..72d4309621629f6b9748afab3ab0341b2ab2ca0a
--- /dev/null
+++ b/spec/factories/project_statistics.rb
@@ -0,0 +1,6 @@
+FactoryGirl.define do
+  factory :project_statistics do
+    project { create :project }
+    namespace { project.namespace }
+  end
+end
diff --git a/spec/features/auto_deploy_spec.rb b/spec/features/auto_deploy_spec.rb
index 92f1ab9088144936a695ec4f88988f0148f4d6a5..ea7a97d1d4fde10f29b239c665c38756112b7461 100644
--- a/spec/features/auto_deploy_spec.rb
+++ b/spec/features/auto_deploy_spec.rb
@@ -26,7 +26,7 @@ describe 'Auto deploy' do
 
     it 'does not show a button to set up auto deploy' do
       visit namespace_project_path(project.namespace, project)
-      expect(page).to have_no_content('Set up autodeploy')
+      expect(page).to have_no_content('Set up auto deploy')
     end
   end
 
@@ -37,11 +37,11 @@ describe 'Auto deploy' do
     end
 
     it 'shows a button to set up auto deploy' do
-      expect(page).to have_link('Set up autodeploy')
+      expect(page).to have_link('Set up auto deploy')
     end
 
-    it 'includes Kubernetes as an available template', js: true do
-      click_link 'Set up autodeploy'
+    it 'includes OpenShift as an available template', js: true do
+      click_link 'Set up auto deploy'
       click_button 'Choose a GitLab CI Yaml template'
 
       within '.gitlab-ci-yml-selector' do
@@ -49,8 +49,8 @@ describe 'Auto deploy' do
       end
     end
 
-    it 'creates a merge request using "autodeploy" branch', js: true do
-      click_link 'Set up autodeploy'
+    it 'creates a merge request using "auto-deploy" branch', js: true do
+      click_link 'Set up auto deploy'
       click_button 'Choose a GitLab CI Yaml template'
       within '.gitlab-ci-yml-selector' do
         click_on 'OpenShift'
@@ -58,7 +58,7 @@ describe 'Auto deploy' do
       wait_for_ajax
       click_button 'Commit Changes'
 
-      expect(page).to have_content('New Merge Request From autodeploy into master')
+      expect(page).to have_content('New Merge Request From auto-deploy into master')
     end
   end
 end
diff --git a/spec/features/issues/gfm_autocomplete_spec.rb b/spec/features/issues/gfm_autocomplete_spec.rb
index d0294908d2c248d3e78e3e303da63af3764f436f..3489331a1b6289d10b9068da357495e20b585246 100644
--- a/spec/features/issues/gfm_autocomplete_spec.rb
+++ b/spec/features/issues/gfm_autocomplete_spec.rb
@@ -47,7 +47,7 @@ feature 'GFM autocomplete', feature: true, js: true do
       expect_to_wrap(true, label_item, note, label.title)
     end
 
-    it "does not show drpdown when preceded with a special character" do
+    it "does not show dropdown when preceded with a special character" do
       note = find('#note_note')
       page.within '.timeline-content-form' do
         note.native.send_keys('')
@@ -65,6 +65,17 @@ feature 'GFM autocomplete', feature: true, js: true do
       expect(page).to have_selector('.atwho-container', visible: false)
     end
 
+    it "does not throw an error if no labels exist" do
+      note = find('#note_note')
+      page.within '.timeline-content-form' do
+        note.native.send_keys('')
+        note.native.send_keys('~')
+        note.click
+      end
+
+      expect(page).to have_selector('.atwho-container', visible: false)
+    end
+
     it 'doesn\'t wrap for assignee values' do
       note = find('#note_note')
       page.within '.timeline-content-form' do
diff --git a/spec/features/issues/user_uses_slash_commands_spec.rb b/spec/features/issues/user_uses_slash_commands_spec.rb
index 3f2da1c380c0e0c13d11f03a21c54effe3df58cf..31f75512f4a793fb3f17bdf3d6f073b6633bce56 100644
--- a/spec/features/issues/user_uses_slash_commands_spec.rb
+++ b/spec/features/issues/user_uses_slash_commands_spec.rb
@@ -30,7 +30,7 @@ feature 'Issues > User uses slash commands', feature: true, js: true do
           write_note("/due 2016-08-28")
 
           expect(page).not_to have_content '/due 2016-08-28'
-          expect(page).to have_content 'Your commands have been executed!'
+          expect(page).to have_content 'Commands applied'
 
           issue.reload
 
@@ -51,7 +51,7 @@ feature 'Issues > User uses slash commands', feature: true, js: true do
           write_note("/due 2016-08-28")
 
           expect(page).to have_content '/due 2016-08-28'
-          expect(page).not_to have_content 'Your commands have been executed!'
+          expect(page).not_to have_content 'Commands applied'
 
           issue.reload
 
@@ -70,7 +70,7 @@ feature 'Issues > User uses slash commands', feature: true, js: true do
           write_note("/remove_due_date")
 
           expect(page).not_to have_content '/remove_due_date'
-          expect(page).to have_content 'Your commands have been executed!'
+          expect(page).to have_content 'Commands applied'
 
           issue.reload
 
@@ -91,7 +91,7 @@ feature 'Issues > User uses slash commands', feature: true, js: true do
           write_note("/remove_due_date")
 
           expect(page).to have_content '/remove_due_date'
-          expect(page).not_to have_content 'Your commands have been executed!'
+          expect(page).not_to have_content 'Commands applied'
 
           issue.reload
 
diff --git a/spec/features/merge_requests/user_uses_slash_commands_spec.rb b/spec/features/merge_requests/user_uses_slash_commands_spec.rb
index 7b8af555f0e3bf7ede508646cd90e9caef3bab6d..b1b3a47a1ceee625f2bc420fafd38e1c8aa111e0 100644
--- a/spec/features/merge_requests/user_uses_slash_commands_spec.rb
+++ b/spec/features/merge_requests/user_uses_slash_commands_spec.rb
@@ -31,7 +31,7 @@ feature 'Merge Requests > User uses slash commands', feature: true, js: true do
           write_note("/wip")
 
           expect(page).not_to have_content '/wip'
-          expect(page).to have_content 'Your commands have been executed!'
+          expect(page).to have_content 'Commands applied'
 
           expect(merge_request.reload.work_in_progress?).to eq true
         end
@@ -42,7 +42,7 @@ feature 'Merge Requests > User uses slash commands', feature: true, js: true do
           write_note("/wip")
 
           expect(page).not_to have_content '/wip'
-          expect(page).to have_content 'Your commands have been executed!'
+          expect(page).to have_content 'Commands applied'
 
           expect(merge_request.reload.work_in_progress?).to eq false
         end
@@ -61,7 +61,7 @@ feature 'Merge Requests > User uses slash commands', feature: true, js: true do
           write_note("/wip")
 
           expect(page).not_to have_content '/wip'
-          expect(page).not_to have_content 'Your commands have been executed!'
+          expect(page).not_to have_content 'Commands applied'
 
           expect(merge_request.reload.work_in_progress?).to eq false
         end
diff --git a/spec/helpers/storage_helper_spec.rb b/spec/helpers/storage_helper_spec.rb
new file mode 100644
index 0000000000000000000000000000000000000000..4627a1e1872668693adb35d2a96cc4c9a40a90e1
--- /dev/null
+++ b/spec/helpers/storage_helper_spec.rb
@@ -0,0 +1,21 @@
+require 'spec_helper'
+
+describe StorageHelper do
+  describe '#storage_counter' do
+    it 'formats bytes to one decimal place' do
+      expect(helper.storage_counter(1.23.megabytes)).to eq '1.2 MB'
+    end
+
+    it 'does not add decimals for sizes < 1 MB' do
+      expect(helper.storage_counter(23.5.kilobytes)).to eq '24 KB'
+    end
+
+    it 'does not add decimals for zeroes' do
+      expect(helper.storage_counter(2.megabytes)).to eq '2 MB'
+    end
+
+    it 'uses commas as thousands separator' do
+      expect(helper.storage_counter(100_000_000_000_000_000)).to eq '90,949.5 TB'
+    end
+  end
+end
diff --git a/spec/lib/gitlab/diff/file_collection/merge_request_diff_spec.rb b/spec/lib/gitlab/diff/file_collection/merge_request_diff_spec.rb
index 2a680f03476acbeeacee02ef9f5c63db323cfd28..f2bc15d39d7a19e8016ce6607d461da36600c3cd 100644
--- a/spec/lib/gitlab/diff/file_collection/merge_request_diff_spec.rb
+++ b/spec/lib/gitlab/diff/file_collection/merge_request_diff_spec.rb
@@ -1,21 +1,30 @@
 require 'spec_helper'
 
 describe Gitlab::Diff::FileCollection::MergeRequestDiff do
-  let(:merge_request) { create :merge_request }
+  let(:merge_request) { create(:merge_request) }
+  let(:diff_files) { described_class.new(merge_request.merge_request_diff, diff_options: nil).diff_files }
 
-  it 'does not hightlight binary files' do
+  it 'does not highlight binary files' do
     allow_any_instance_of(Gitlab::Diff::File).to receive(:blob).and_return(double("text?" => false))
 
     expect_any_instance_of(Gitlab::Diff::File).not_to receive(:highlighted_diff_lines)
 
-    described_class.new(merge_request.merge_request_diff, diff_options: nil).diff_files
+    diff_files
   end
 
-  it 'does not hightlight file if blob is not accessable' do
+  it 'does not highlight file if blob is not accessable' do
     allow_any_instance_of(Gitlab::Diff::File).to receive(:blob).and_return(nil)
 
     expect_any_instance_of(Gitlab::Diff::File).not_to receive(:highlighted_diff_lines)
 
-    described_class.new(merge_request.merge_request_diff, diff_options: nil).diff_files
+    diff_files
+  end
+
+  it 'does not files marked as undiffable in .gitattributes' do
+    allow_any_instance_of(Repository).to receive(:diffable?).and_return(false)
+
+    expect_any_instance_of(Gitlab::Diff::File).not_to receive(:highlighted_diff_lines)
+
+    diff_files
   end
 end
diff --git a/spec/lib/gitlab/email/reply_parser_spec.rb b/spec/lib/gitlab/email/reply_parser_spec.rb
index c7a0139d32a1af48ee053446af8c2e794d9cbeba..28698e89c338cee596d73e3cb9ddebc370c9b3cd 100644
--- a/spec/lib/gitlab/email/reply_parser_spec.rb
+++ b/spec/lib/gitlab/email/reply_parser_spec.rb
@@ -88,8 +88,6 @@ describe Gitlab::Email::ReplyParser, lib: true do
       expect(test_parse_body(fixture_file("emails/inline_reply.eml"))).
         to eq(
           <<-BODY.strip_heredoc.chomp
-            On Wed, Oct 8, 2014 at 11:12 AM, techAPJ <info@unconfigured.discourse.org> wrote:
-
             >     techAPJ <https://meta.discourse.org/users/techapj>
             > November 28
             >
diff --git a/spec/lib/gitlab/git_access_spec.rb b/spec/lib/gitlab/git_access_spec.rb
index f1d0a190002b246a5aae7df3da0154f4bf6f4c39..44b84afde471e00c3f5a671898dd61b1318a2d8e 100644
--- a/spec/lib/gitlab/git_access_spec.rb
+++ b/spec/lib/gitlab/git_access_spec.rb
@@ -50,7 +50,7 @@ describe Gitlab::GitAccess, lib: true do
     end
   end
 
-  describe 'download_access_check' do
+  describe '#check_download_access!' do
     subject { access.check('git-upload-pack', '_any') }
 
     describe 'master permissions' do
@@ -82,7 +82,7 @@ describe Gitlab::GitAccess, lib: true do
       end
     end
 
-    describe 'without acccess to project' do
+    describe 'without access to project' do
       context 'pull code' do
         it { expect(subject.allowed?).to be_falsey }
       end
@@ -112,7 +112,7 @@ describe Gitlab::GitAccess, lib: true do
     end
 
     describe 'deploy key permissions' do
-      let(:key) { create(:deploy_key) }
+      let(:key) { create(:deploy_key, user: user) }
       let(:actor) { key }
 
       context 'pull code' do
@@ -136,7 +136,7 @@ describe Gitlab::GitAccess, lib: true do
           end
 
           context 'from private project' do
-            let(:project) { create(:project, :internal) }
+            let(:project) { create(:project, :private) }
 
             it { expect(subject).not_to be_allowed }
           end
@@ -183,7 +183,7 @@ describe Gitlab::GitAccess, lib: true do
     end
   end
 
-  describe 'push_access_check' do
+  describe '#check_push_access!' do
     before { merge_into_protected_branch }
     let(:unprotected_branch) { FFaker::Internet.user_name }
 
@@ -231,7 +231,7 @@ describe Gitlab::GitAccess, lib: true do
 
             permissions_matrix[role].each do |action, allowed|
               context action do
-                subject { access.push_access_check(changes[action]) }
+                subject { access.send(:check_push_access!, changes[action]) }
                 it { expect(subject.allowed?).to allowed ? be_truthy : be_falsey }
               end
             end
@@ -353,13 +353,13 @@ describe Gitlab::GitAccess, lib: true do
     end
   end
 
-  shared_examples 'can not push code' do
+  shared_examples 'pushing code' do |can|
     subject { access.check('git-receive-pack', '_any') }
 
     context 'when project is authorized' do
       before { authorize }
 
-      it { expect(subject).not_to be_allowed }
+      it { expect(subject).public_send(can, be_allowed) }
     end
 
     context 'when unauthorized' do
@@ -386,7 +386,7 @@ describe Gitlab::GitAccess, lib: true do
   describe 'build authentication abilities' do
     let(:authentication_abilities) { build_authentication_abilities }
 
-    it_behaves_like 'can not push code' do
+    it_behaves_like 'pushing code', :not_to do
       def authorize
         project.team << [user, :reporter]
       end
@@ -394,12 +394,26 @@ describe Gitlab::GitAccess, lib: true do
   end
 
   describe 'deploy key permissions' do
-    let(:key) { create(:deploy_key) }
+    let(:key) { create(:deploy_key, user: user, can_push: can_push) }
     let(:actor) { key }
 
-    it_behaves_like 'can not push code' do
-      def authorize
-        key.projects << project
+    context 'when deploy_key can push' do
+      let(:can_push) { true }
+
+      it_behaves_like 'pushing code', :to do
+        def authorize
+          key.projects << project
+        end
+      end
+    end
+
+    context 'when deploy_key cannot push' do
+      let(:can_push) { false }
+
+      it_behaves_like 'pushing code', :not_to do
+        def authorize
+          key.projects << project
+        end
       end
     end
   end
diff --git a/spec/lib/gitlab/git_access_wiki_spec.rb b/spec/lib/gitlab/git_access_wiki_spec.rb
index 578db51631e194d183da6596974c952bca162543..a5d172233cc33aa99241fe82ef1663b2d5c7bd25 100644
--- a/spec/lib/gitlab/git_access_wiki_spec.rb
+++ b/spec/lib/gitlab/git_access_wiki_spec.rb
@@ -27,7 +27,7 @@ describe Gitlab::GitAccessWiki, lib: true do
     ['6f6d7e7ed 570e7b2ab refs/heads/master']
   end
 
-  describe '#download_access_check' do
+  describe '#access_check_download!' do
     subject { access.check('git-upload-pack', '_any') }
 
     before do
diff --git a/spec/lib/gitlab/import_export/all_models.yml b/spec/lib/gitlab/import_export/all_models.yml
index f420d71dee2dcd3972cd92f7b5e50ab7104008fa..ceed9c942c11bddbedc517e0ea0bd86f512b7184 100644
--- a/spec/lib/gitlab/import_export/all_models.yml
+++ b/spec/lib/gitlab/import_export/all_models.yml
@@ -192,6 +192,7 @@ project:
 - authorized_users
 - project_authorizations
 - route
+- statistics
 award_emoji:
 - awardable
 - user
diff --git a/spec/lib/gitlab/import_export/safe_model_attributes.yml b/spec/lib/gitlab/import_export/safe_model_attributes.yml
index 78d6b2c5032de2dbda6ba32e7945583bd65e5a1f..ac26c831fd0dd18b674eb5b31d8bc1add136532e 100644
--- a/spec/lib/gitlab/import_export/safe_model_attributes.yml
+++ b/spec/lib/gitlab/import_export/safe_model_attributes.yml
@@ -247,6 +247,7 @@ DeployKey:
 - type
 - fingerprint
 - public
+- can_push
 Service:
 - id
 - type
diff --git a/spec/migrations/remove_dot_git_from_usernames.rb b/spec/migrations/remove_dot_git_from_usernames.rb
new file mode 100644
index 0000000000000000000000000000000000000000..1b1d2adc46386cf0bd7c44162c90220faf1db5f0
--- /dev/null
+++ b/spec/migrations/remove_dot_git_from_usernames.rb
@@ -0,0 +1,29 @@
+# encoding: utf-8
+
+require 'spec_helper'
+require Rails.root.join('db', 'migrate', '20161226122833_remove_dot_git_from_usernames.rb')
+
+describe RemoveDotGitFromUsernames do
+  let(:user) { create(:user) }
+
+  describe '#up' do
+    let(:migration) { described_class.new }
+
+    before do
+      namespace = user.namespace
+      namespace.path = 'test.git'
+      namespace.save!(validate: false)
+
+      user.username = 'test.git'
+      user.save!(validate: false)
+    end
+
+    it 'renames user with .git in username' do
+      migration.up
+
+      expect(user.reload.username).to eq('test_git')
+      expect(user.namespace.reload.path).to eq('test_git')
+      expect(user.namespace.route.path).to eq('test_git')
+    end
+  end
+end
diff --git a/spec/models/ci/build_spec.rb b/spec/models/ci/build_spec.rb
index a7e90c8a3819d3fc1a35b1a1609095c856530384..7e1d1126b972eafcf1cf589c733c7cb8921d5568 100644
--- a/spec/models/ci/build_spec.rb
+++ b/spec/models/ci/build_spec.rb
@@ -85,4 +85,30 @@ describe Ci::Build, models: true do
       it { expect(build.trace_file_path).to eq(build.old_path_to_trace) }
     end
   end
+
+  describe '#update_project_statistics' do
+    let!(:build) { create(:ci_build, artifacts_size: 23) }
+
+    it 'updates project statistics when the artifact size changes' do
+      expect(ProjectCacheWorker).to receive(:perform_async)
+        .with(build.project_id, [], [:build_artifacts_size])
+
+      build.artifacts_size = 42
+      build.save!
+    end
+
+    it 'does not update project statistics when the artifact size stays the same' do
+      expect(ProjectCacheWorker).not_to receive(:perform_async)
+
+      build.name = 'changed'
+      build.save!
+    end
+
+    it 'updates project statistics when the build is destroyed' do
+      expect(ProjectCacheWorker).to receive(:perform_async)
+        .with(build.project_id, [], [:build_artifacts_size])
+
+      build.destroy
+    end
+  end
 end
diff --git a/spec/models/ci/pipeline_spec.rb b/spec/models/ci/pipeline_spec.rb
index dc377d15f1593d791246f986ade2c49c45d460d2..cebaa157ef33bfb69a7732a9b0fa0a8d83d12fc9 100644
--- a/spec/models/ci/pipeline_spec.rb
+++ b/spec/models/ci/pipeline_spec.rb
@@ -464,6 +464,19 @@ describe Ci::Pipeline, models: true do
     end
   end
 
+  describe '.latest_successful_for' do
+    include_context 'with some outdated pipelines'
+
+    let!(:latest_successful_pipeline) do
+      create_pipeline(:success, 'ref', 'D')
+    end
+
+    it 'returns the latest successful pipeline' do
+      expect(described_class.latest_successful_for('ref')).
+        to eq(latest_successful_pipeline)
+    end
+  end
+
   describe '#status' do
     let!(:build) { create(:ci_build, :created, pipeline: pipeline, name: 'test') }
 
diff --git a/spec/models/deploy_key_spec.rb b/spec/models/deploy_key_spec.rb
index 93623e8e99b851581eab10537e3c91e63fd7f24d..8ef8218cf74b0a3b8751ce9aeaeba6c373034c06 100644
--- a/spec/models/deploy_key_spec.rb
+++ b/spec/models/deploy_key_spec.rb
@@ -1,8 +1,22 @@
 require 'spec_helper'
 
 describe DeployKey, models: true do
+  include EmailHelpers
+
   describe "Associations" do
     it { is_expected.to have_many(:deploy_keys_projects) }
     it { is_expected.to have_many(:projects) }
   end
+
+  describe 'notification' do
+    let(:user) { create(:user) }
+
+    it 'does not send a notification' do
+      perform_enqueued_jobs do
+        create(:deploy_key, user: user)
+      end
+
+      should_not_email(user)
+    end
+  end
 end
diff --git a/spec/models/key_spec.rb b/spec/models/key_spec.rb
index 2a33d819138c1d71b091dc79c50294305ab53de4..7758b7ffa97b37c9e6d20f78e276657af422af1e 100644
--- a/spec/models/key_spec.rb
+++ b/spec/models/key_spec.rb
@@ -1,6 +1,8 @@
 require 'spec_helper'
 
 describe Key, models: true do
+  include EmailHelpers
+
   describe "Associations" do
     it { is_expected.to belong_to(:user) }
   end
@@ -96,4 +98,16 @@ describe Key, models: true do
       expect(described_class.new(key: " #{valid_key} ").key).to eq(valid_key)
     end
   end
+
+  describe 'notification' do
+    let(:user) { create(:user) }
+
+    it 'sends a notification' do
+      perform_enqueued_jobs do
+        create(:key, user: user)
+      end
+
+      should_email(user)
+    end
+  end
 end
diff --git a/spec/models/lfs_objects_project_spec.rb b/spec/models/lfs_objects_project_spec.rb
new file mode 100644
index 0000000000000000000000000000000000000000..7bc278e350f6abe9953d16dbb4d8d1adf032d4dc
--- /dev/null
+++ b/spec/models/lfs_objects_project_spec.rb
@@ -0,0 +1,36 @@
+require 'spec_helper'
+
+describe LfsObjectsProject, models: true do
+  subject { create(:lfs_objects_project, project: project) }
+  let(:project) { create(:empty_project) }
+
+  describe 'associations' do
+    it { is_expected.to belong_to(:project) }
+    it { is_expected.to belong_to(:lfs_object) }
+  end
+
+  describe 'validation' do
+    it { is_expected.to validate_presence_of(:lfs_object_id) }
+    it { is_expected.to validate_uniqueness_of(:lfs_object_id).scoped_to(:project_id).with_message("already exists in project") }
+
+    it { is_expected.to validate_presence_of(:project_id) }
+  end
+
+  describe '#update_project_statistics' do
+    it 'updates project statistics when the object is added' do
+      expect(ProjectCacheWorker).to receive(:perform_async)
+        .with(project.id, [], [:lfs_objects_size])
+
+      subject.save!
+    end
+
+    it 'updates project statistics when the object is removed' do
+      subject.save!
+
+      expect(ProjectCacheWorker).to receive(:perform_async)
+        .with(project.id, [], [:lfs_objects_size])
+
+      subject.destroy
+    end
+  end
+end
diff --git a/spec/models/namespace_spec.rb b/spec/models/namespace_spec.rb
index 9fd06bb6b23030fa73b269dd516e5db0291e8f86..600538ff5f435f01e6b2d9b6bbe858efeaa200eb 100644
--- a/spec/models/namespace_spec.rb
+++ b/spec/models/namespace_spec.rb
@@ -4,6 +4,7 @@ describe Namespace, models: true do
   let!(:namespace) { create(:namespace) }
 
   it { is_expected.to have_many :projects }
+  it { is_expected.to have_many :project_statistics }
 
   it { is_expected.to validate_presence_of(:name) }
   it { is_expected.to validate_uniqueness_of(:name).scoped_to(:parent_id) }
@@ -57,6 +58,50 @@ describe Namespace, models: true do
     end
   end
 
+  describe '.with_statistics' do
+    let(:namespace) { create :namespace }
+
+    let(:project1) do
+      create(:empty_project,
+             namespace: namespace,
+             statistics: build(:project_statistics,
+                               storage_size:         606,
+                               repository_size:      101,
+                               lfs_objects_size:     202,
+                               build_artifacts_size: 303))
+    end
+
+    let(:project2) do
+      create(:empty_project,
+             namespace: namespace,
+             statistics: build(:project_statistics,
+                               storage_size:         60,
+                               repository_size:      10,
+                               lfs_objects_size:     20,
+                               build_artifacts_size: 30))
+    end
+
+    it "sums all project storage counters in the namespace" do
+      project1
+      project2
+      statistics = Namespace.with_statistics.find(namespace.id)
+
+      expect(statistics.storage_size).to eq 666
+      expect(statistics.repository_size).to eq 111
+      expect(statistics.lfs_objects_size).to eq 222
+      expect(statistics.build_artifacts_size).to eq 333
+    end
+
+    it "correctly handles namespaces without projects" do
+      statistics = Namespace.with_statistics.find(namespace.id)
+
+      expect(statistics.storage_size).to eq 0
+      expect(statistics.repository_size).to eq 0
+      expect(statistics.lfs_objects_size).to eq 0
+      expect(statistics.build_artifacts_size).to eq 0
+    end
+  end
+
   describe '#move_dir' do
     before do
       @namespace = create :namespace
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index 88d5d14f855ea5e4ba9202a726d93cd196ad37fb..fb225eb76259b64b5b63412ff2ab6f04e49f2e80 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -49,6 +49,7 @@ describe Project, models: true do
     it { is_expected.to have_one(:gitlab_issue_tracker_service).dependent(:destroy) }
     it { is_expected.to have_one(:external_wiki_service).dependent(:destroy) }
     it { is_expected.to have_one(:project_feature).dependent(:destroy) }
+    it { is_expected.to have_one(:statistics).class_name('ProjectStatistics').dependent(:delete) }
     it { is_expected.to have_one(:import_data).class_name('ProjectImportData').dependent(:destroy) }
     it { is_expected.to have_one(:last_event).class_name('Event') }
     it { is_expected.to have_one(:forked_from_project).through(:forked_project_link) }
@@ -1729,6 +1730,26 @@ describe Project, models: true do
     end
   end
 
+  describe '#update_project_statistics' do
+    let(:project) { create(:empty_project) }
+
+    it "is called after creation" do
+      expect(project.statistics).to be_a ProjectStatistics
+      expect(project.statistics).to be_persisted
+    end
+
+    it "copies the namespace_id" do
+      expect(project.statistics.namespace_id).to eq project.namespace_id
+    end
+
+    it "updates the namespace_id when changed" do
+      namespace = create(:namespace)
+      project.update(namespace: namespace)
+
+      expect(project.statistics.namespace_id).to eq namespace.id
+    end
+  end
+
   def enable_lfs
     allow(Gitlab.config.lfs).to receive(:enabled).and_return(true)
   end
diff --git a/spec/models/project_statistics_spec.rb b/spec/models/project_statistics_spec.rb
new file mode 100644
index 0000000000000000000000000000000000000000..77403cc9eb0ef6b692c424096310a6b85f3027da
--- /dev/null
+++ b/spec/models/project_statistics_spec.rb
@@ -0,0 +1,160 @@
+require 'rails_helper'
+
+describe ProjectStatistics, models: true do
+  let(:project) { create :empty_project }
+  let(:statistics) { project.statistics }
+
+  describe 'constants' do
+    describe 'STORAGE_COLUMNS' do
+      it 'is an array of symbols' do
+        expect(described_class::STORAGE_COLUMNS).to be_kind_of Array
+        expect(described_class::STORAGE_COLUMNS.map(&:class).uniq).to eq [Symbol]
+      end
+    end
+
+    describe 'STATISTICS_COLUMNS' do
+      it 'is an array of symbols' do
+        expect(described_class::STATISTICS_COLUMNS).to be_kind_of Array
+        expect(described_class::STATISTICS_COLUMNS.map(&:class).uniq).to eq [Symbol]
+      end
+
+      it 'includes all storage columns' do
+        expect(described_class::STATISTICS_COLUMNS & described_class::STORAGE_COLUMNS).to eq described_class::STORAGE_COLUMNS
+      end
+    end
+  end
+
+  describe 'associations' do
+    it { is_expected.to belong_to(:project) }
+    it { is_expected.to belong_to(:namespace) }
+  end
+
+  describe 'statistics columns' do
+    it "support values up to 8 exabytes" do
+      statistics.update!(
+        commit_count: 8.exabytes - 1,
+        repository_size: 2.exabytes,
+        lfs_objects_size: 2.exabytes,
+        build_artifacts_size: 4.exabytes - 1,
+      )
+
+      statistics.reload
+
+      expect(statistics.commit_count).to eq(8.exabytes - 1)
+      expect(statistics.repository_size).to eq(2.exabytes)
+      expect(statistics.lfs_objects_size).to eq(2.exabytes)
+      expect(statistics.build_artifacts_size).to eq(4.exabytes - 1)
+      expect(statistics.storage_size).to eq(8.exabytes - 1)
+    end
+  end
+
+  describe '#total_repository_size' do
+    it "sums repository and LFS object size" do
+      statistics.repository_size = 2
+      statistics.lfs_objects_size = 3
+      statistics.build_artifacts_size = 4
+
+      expect(statistics.total_repository_size).to eq 5
+    end
+  end
+
+  describe '#refresh!' do
+    before do
+      allow(statistics).to receive(:update_commit_count)
+      allow(statistics).to receive(:update_repository_size)
+      allow(statistics).to receive(:update_lfs_objects_size)
+      allow(statistics).to receive(:update_build_artifacts_size)
+      allow(statistics).to receive(:update_storage_size)
+    end
+
+    context "without arguments" do
+      before do
+        statistics.refresh!
+      end
+
+      it "sums all counters" do
+        expect(statistics).to have_received(:update_commit_count)
+        expect(statistics).to have_received(:update_repository_size)
+        expect(statistics).to have_received(:update_lfs_objects_size)
+        expect(statistics).to have_received(:update_build_artifacts_size)
+      end
+    end
+
+    context "when passing an only: argument" do
+      before do
+        statistics.refresh! only: [:lfs_objects_size]
+      end
+
+      it "only updates the given columns" do
+        expect(statistics).to have_received(:update_lfs_objects_size)
+        expect(statistics).not_to have_received(:update_commit_count)
+        expect(statistics).not_to have_received(:update_repository_size)
+        expect(statistics).not_to have_received(:update_build_artifacts_size)
+      end
+    end
+  end
+
+  describe '#update_commit_count' do
+    before do
+      allow(project.repository).to receive(:commit_count).and_return(23)
+      statistics.update_commit_count
+    end
+
+    it "stores the number of commits in the repository" do
+      expect(statistics.commit_count).to eq 23
+    end
+  end
+
+  describe '#update_repository_size' do
+    before do
+      allow(project.repository).to receive(:size).and_return(12.megabytes)
+      statistics.update_repository_size
+    end
+
+    it "stores the size of the repository" do
+      expect(statistics.repository_size).to eq 12.megabytes
+    end
+  end
+
+  describe '#update_lfs_objects_size' do
+    let!(:lfs_object1) { create(:lfs_object, size: 23.megabytes) }
+    let!(:lfs_object2) { create(:lfs_object, size: 34.megabytes) }
+    let!(:lfs_objects_project1) { create(:lfs_objects_project, project: project, lfs_object: lfs_object1) }
+    let!(:lfs_objects_project2) { create(:lfs_objects_project, project: project, lfs_object: lfs_object2) }
+
+    before do
+      statistics.update_lfs_objects_size
+    end
+
+    it "stores the size of related LFS objects" do
+      expect(statistics.lfs_objects_size).to eq 57.megabytes
+    end
+  end
+
+  describe '#update_build_artifacts_size' do
+    let!(:pipeline) { create(:ci_pipeline, project: project) }
+    let!(:build1) { create(:ci_build, pipeline: pipeline, artifacts_size: 45.megabytes) }
+    let!(:build2) { create(:ci_build, pipeline: pipeline, artifacts_size: 56.megabytes) }
+
+    before do
+      statistics.update_build_artifacts_size
+    end
+
+    it "stores the size of related build artifacts" do
+      expect(statistics.build_artifacts_size).to eq 101.megabytes
+    end
+  end
+
+  describe '#update_storage_size' do
+    it "sums all storage counters" do
+      statistics.update!(
+        repository_size: 2,
+        lfs_objects_size: 3,
+      )
+
+      statistics.reload
+
+      expect(statistics.storage_size).to eq 5
+    end
+  end
+end
diff --git a/spec/requests/api/groups_spec.rb b/spec/requests/api/groups_spec.rb
index cdeb965b413140d059f4ad3126df97f826dc8d60..0e8d6faea2731eabcecb541c7292e04bdfc13f1d 100644
--- a/spec/requests/api/groups_spec.rb
+++ b/spec/requests/api/groups_spec.rb
@@ -35,6 +35,14 @@ describe API::Groups, api: true  do
         expect(json_response.length).to eq(1)
         expect(json_response.first['name']).to eq(group1.name)
       end
+
+      it "does not include statistics" do
+        get api("/groups", user1), statistics: true
+
+        expect(response).to have_http_status(200)
+        expect(json_response).to be_an Array
+        expect(json_response.first).not_to include 'statistics'
+      end
     end
 
     context "when authenticated as admin" do
@@ -44,6 +52,31 @@ describe API::Groups, api: true  do
         expect(json_response).to be_an Array
         expect(json_response.length).to eq(2)
       end
+
+      it "does not include statistics by default" do
+        get api("/groups", admin)
+
+        expect(response).to have_http_status(200)
+        expect(json_response).to be_an Array
+        expect(json_response.first).not_to include('statistics')
+      end
+
+      it "includes statistics if requested" do
+        attributes = {
+          storage_size: 702,
+          repository_size: 123,
+          lfs_objects_size: 234,
+          build_artifacts_size: 345,
+        }
+
+        project1.statistics.update!(attributes)
+
+        get api("/groups", admin), statistics: true
+
+        expect(response).to have_http_status(200)
+        expect(json_response).to be_an Array
+        expect(json_response.first['statistics']).to eq attributes.stringify_keys
+      end
     end
 
     context "when using skip_groups in request" do
diff --git a/spec/requests/api/projects_spec.rb b/spec/requests/api/projects_spec.rb
index 8304c4080646389b89031030777884b9d2a46824..f5788d15f9378d023f925e9ab86b955f0d37f1f4 100644
--- a/spec/requests/api/projects_spec.rb
+++ b/spec/requests/api/projects_spec.rb
@@ -49,7 +49,7 @@ describe API::Projects, api: true  do
       end
     end
 
-    context 'when authenticated' do
+    context 'when authenticated as regular user' do
       it 'returns an array of projects' do
         get api('/projects', user)
         expect(response).to have_http_status(200)
@@ -172,6 +172,22 @@ describe API::Projects, api: true  do
           end
         end
       end
+
+      it "does not include statistics by default" do
+        get api('/projects/all', admin)
+
+        expect(response).to have_http_status(200)
+        expect(json_response).to be_an Array
+        expect(json_response.first).not_to include('statistics')
+      end
+
+      it "includes statistics if requested" do
+        get api('/projects/all', admin), statistics: true
+
+        expect(response).to have_http_status(200)
+        expect(json_response).to be_an Array
+        expect(json_response.first).to include 'statistics'
+      end
     end
   end
 
@@ -196,6 +212,32 @@ describe API::Projects, api: true  do
         expect(json_response.first['name']).to eq(project4.name)
         expect(json_response.first['owner']['username']).to eq(user4.username)
       end
+
+      it "does not include statistics by default" do
+        get api('/projects/owned', user4)
+
+        expect(response).to have_http_status(200)
+        expect(json_response).to be_an Array
+        expect(json_response.first).not_to include('statistics')
+      end
+
+      it "includes statistics if requested" do
+        attributes = {
+          commit_count: 23,
+          storage_size: 702,
+          repository_size: 123,
+          lfs_objects_size: 234,
+          build_artifacts_size: 345,
+        }
+
+        project4.statistics.update!(attributes)
+
+        get api('/projects/owned', user4), statistics: true
+
+        expect(response).to have_http_status(200)
+        expect(json_response).to be_an Array
+        expect(json_response.first['statistics']).to eq attributes.stringify_keys
+      end
     end
   end
 
@@ -630,6 +672,18 @@ describe API::Projects, api: true  do
         expect(json_response['name']).to eq(project.name)
       end
 
+      it 'exposes namespace fields' do
+        get api("/projects/#{project.id}", user)
+
+        expect(response).to have_http_status(200)
+        expect(json_response['namespace']).to eq({
+          'id' => user.namespace.id,
+          'name' => user.namespace.name,
+          'path' => user.namespace.path,
+          'kind' => user.namespace.kind,
+        })
+      end
+
       describe 'permissions' do
         context 'all projects' do
           before { project.team << [user, :master] }
diff --git a/spec/requests/git_http_spec.rb b/spec/requests/git_http_spec.rb
index d71bb08c218771274c09e3d23c2723d8183d5849..5abda28e26fa94b3842d1694c3ade0bc82b23309 100644
--- a/spec/requests/git_http_spec.rb
+++ b/spec/requests/git_http_spec.rb
@@ -371,12 +371,26 @@ describe 'Git HTTP requests', lib: true do
 
             shared_examples 'can download code only' do
               it 'downloads get status 200' do
-                clone_get "#{project.path_with_namespace}.git", user: 'gitlab-ci-token', password: build.token
+                allow_any_instance_of(Repository).
+                  to receive(:exists?).and_return(true)
+
+                clone_get "#{project.path_with_namespace}.git",
+                  user: 'gitlab-ci-token', password: build.token
 
                 expect(response).to have_http_status(200)
                 expect(response.content_type.to_s).to eq(Gitlab::Workhorse::INTERNAL_API_CONTENT_TYPE)
               end
 
+              it 'downloads from non-existing repository and gets 403' do
+                allow_any_instance_of(Repository).
+                  to receive(:exists?).and_return(false)
+
+                clone_get "#{project.path_with_namespace}.git",
+                  user: 'gitlab-ci-token', password: build.token
+
+                expect(response).to have_http_status(403)
+              end
+
               it 'uploads get status 403' do
                 push_get "#{project.path_with_namespace}.git", user: 'gitlab-ci-token', password: build.token
 
diff --git a/spec/services/git_push_service_spec.rb b/spec/services/git_push_service_spec.rb
index 3303e808a9caefe15680a8799bb405f7d844352b..2a0f00ce93721f49e203d9a5890e7f3e81929071 100644
--- a/spec/services/git_push_service_spec.rb
+++ b/spec/services/git_push_service_spec.rb
@@ -583,7 +583,7 @@ describe GitPushService, services: true do
         service.push_commits = [commit]
 
         expect(ProjectCacheWorker).to receive(:perform_async).
-          with(project.id, %i(readme))
+          with(project.id, %i(readme), %i(commit_count repository_size))
 
         service.update_caches
       end
@@ -596,7 +596,7 @@ describe GitPushService, services: true do
 
       it 'does not flush any conditional caches' do
         expect(ProjectCacheWorker).to receive(:perform_async).
-          with(project.id, []).
+          with(project.id, [], %i(commit_count repository_size)).
           and_call_original
 
         service.update_caches
diff --git a/spec/services/merge_requests/merge_request_diff_cache_service_spec.rb b/spec/services/merge_requests/merge_request_diff_cache_service_spec.rb
index 05cdbe5287a4dbf4b7349a277e7036de8ea31551..35804d41b4605446de979e4e91459df3239493f0 100644
--- a/spec/services/merge_requests/merge_request_diff_cache_service_spec.rb
+++ b/spec/services/merge_requests/merge_request_diff_cache_service_spec.rb
@@ -11,6 +11,7 @@ describe MergeRequests::MergeRequestDiffCacheService do
       expect(Rails.cache).to receive(:read).with(cache_key).and_return({})
       expect(Rails.cache).to receive(:write).with(cache_key, anything)
       allow_any_instance_of(Gitlab::Diff::File).to receive(:blob).and_return(double("text?" => true))
+      allow_any_instance_of(Repository).to receive(:diffable?).and_return(true)
 
       subject.execute(merge_request)
     end
diff --git a/spec/support/features/issuable_slash_commands_shared_examples.rb b/spec/support/features/issuable_slash_commands_shared_examples.rb
index 194620d0a68bab42795c5d43ecb2b3ff889b6ee3..a4713e53f63bd5747d550e0193601b12c3753bd9 100644
--- a/spec/support/features/issuable_slash_commands_shared_examples.rb
+++ b/spec/support/features/issuable_slash_commands_shared_examples.rb
@@ -76,7 +76,7 @@ shared_examples 'issuable record that supports slash commands in its description
         expect(page).not_to have_content '/assign @bob'
         expect(page).not_to have_content '/label ~bug'
         expect(page).not_to have_content '/milestone %"ASAP"'
-        expect(page).to have_content 'Your commands have been executed!'
+        expect(page).to have_content 'Commands applied'
 
         issuable.reload
 
@@ -97,7 +97,7 @@ shared_examples 'issuable record that supports slash commands in its description
           write_note("/close")
 
           expect(page).not_to have_content '/close'
-          expect(page).to have_content 'Your commands have been executed!'
+          expect(page).to have_content 'Commands applied'
 
           expect(issuable.reload).to be_closed
         end
@@ -114,7 +114,7 @@ shared_examples 'issuable record that supports slash commands in its description
           write_note("/close")
 
           expect(page).not_to have_content '/close'
-          expect(page).not_to have_content 'Your commands have been executed!'
+          expect(page).not_to have_content 'Commands applied'
 
           expect(issuable).to be_open
         end
@@ -132,7 +132,7 @@ shared_examples 'issuable record that supports slash commands in its description
           write_note("/reopen")
 
           expect(page).not_to have_content '/reopen'
-          expect(page).to have_content 'Your commands have been executed!'
+          expect(page).to have_content 'Commands applied'
 
           expect(issuable.reload).to be_open
         end
@@ -149,7 +149,7 @@ shared_examples 'issuable record that supports slash commands in its description
           write_note("/reopen")
 
           expect(page).not_to have_content '/reopen'
-          expect(page).not_to have_content 'Your commands have been executed!'
+          expect(page).not_to have_content 'Commands applied'
 
           expect(issuable).to be_closed
         end
@@ -162,7 +162,7 @@ shared_examples 'issuable record that supports slash commands in its description
           write_note("/title Awesome new title")
 
           expect(page).not_to have_content '/title'
-          expect(page).to have_content 'Your commands have been executed!'
+          expect(page).to have_content 'Commands applied'
 
           expect(issuable.reload.title).to eq 'Awesome new title'
         end
@@ -179,7 +179,7 @@ shared_examples 'issuable record that supports slash commands in its description
           write_note("/title Awesome new title")
 
           expect(page).not_to have_content '/title'
-          expect(page).not_to have_content 'Your commands have been executed!'
+          expect(page).not_to have_content 'Commands applied'
 
           expect(issuable.reload.title).not_to eq 'Awesome new title'
         end
@@ -191,7 +191,7 @@ shared_examples 'issuable record that supports slash commands in its description
         write_note("/todo")
 
         expect(page).not_to have_content '/todo'
-        expect(page).to have_content 'Your commands have been executed!'
+        expect(page).to have_content 'Commands applied'
 
         todos = TodosFinder.new(master).execute
         todo = todos.first
@@ -222,7 +222,7 @@ shared_examples 'issuable record that supports slash commands in its description
         write_note("/done")
 
         expect(page).not_to have_content '/done'
-        expect(page).to have_content 'Your commands have been executed!'
+        expect(page).to have_content 'Commands applied'
 
         expect(todo.reload).to be_done
       end
@@ -235,7 +235,7 @@ shared_examples 'issuable record that supports slash commands in its description
         write_note("/subscribe")
 
         expect(page).not_to have_content '/subscribe'
-        expect(page).to have_content 'Your commands have been executed!'
+        expect(page).to have_content 'Commands applied'
 
         expect(issuable.subscribed?(master, project)).to be_truthy
       end
@@ -252,7 +252,7 @@ shared_examples 'issuable record that supports slash commands in its description
         write_note("/unsubscribe")
 
         expect(page).not_to have_content '/unsubscribe'
-        expect(page).to have_content 'Your commands have been executed!'
+        expect(page).to have_content 'Commands applied'
 
         expect(issuable.subscribed?(master, project)).to be_falsy
       end
diff --git a/spec/workers/project_cache_worker_spec.rb b/spec/workers/project_cache_worker_spec.rb
index 855c28b584e0ee3a2297b608757c3598b9a45b9a..f4f63b57a5fb26afc31714395391e308e439f7b7 100644
--- a/spec/workers/project_cache_worker_spec.rb
+++ b/spec/workers/project_cache_worker_spec.rb
@@ -1,8 +1,9 @@
 require 'spec_helper'
 
 describe ProjectCacheWorker do
-  let(:project) { create(:project) }
   let(:worker) { described_class.new }
+  let(:project) { create(:project) }
+  let(:statistics) { project.statistics }
 
   describe '#perform' do
     before do
@@ -12,7 +13,7 @@ describe ProjectCacheWorker do
 
     context 'with a non-existing project' do
       it 'does nothing' do
-        expect(worker).not_to receive(:update_repository_size)
+        expect(worker).not_to receive(:update_statistics)
 
         worker.perform(-1)
       end
@@ -22,24 +23,19 @@ describe ProjectCacheWorker do
       it 'does nothing' do
         allow_any_instance_of(Repository).to receive(:exists?).and_return(false)
 
-        expect(worker).not_to receive(:update_repository_size)
+        expect(worker).not_to receive(:update_statistics)
 
         worker.perform(project.id)
       end
     end
 
     context 'with an existing project' do
-      it 'updates the repository size' do
-        expect(worker).to receive(:update_repository_size).and_call_original
-
-        worker.perform(project.id)
-      end
-
-      it 'updates the commit count' do
-        expect_any_instance_of(Project).to receive(:update_commit_count).
-          and_call_original
+      it 'updates the project statistics' do
+        expect(worker).to receive(:update_statistics)
+          .with(kind_of(Project), %i(repository_size))
+          .and_call_original
 
-        worker.perform(project.id)
+        worker.perform(project.id, [], %w(repository_size))
       end
 
       it 'refreshes the method caches' do
@@ -47,33 +43,35 @@ describe ProjectCacheWorker do
           with(%i(readme)).
           and_call_original
 
-        worker.perform(project.id, %i(readme))
+        worker.perform(project.id, %w(readme))
       end
     end
   end
 
-  describe '#update_repository_size' do
+  describe '#update_statistics' do
     context 'when a lease could not be obtained' do
       it 'does not update the repository size' do
         allow(worker).to receive(:try_obtain_lease_for).
-          with(project.id, :update_repository_size).
+          with(project.id, :update_statistics).
           and_return(false)
 
-        expect(project).not_to receive(:update_repository_size)
+        expect(statistics).not_to receive(:refresh!)
 
-        worker.update_repository_size(project)
+        worker.update_statistics(project)
       end
     end
 
     context 'when a lease could be obtained' do
-      it 'updates the repository size' do
+      it 'updates the project statistics' do
         allow(worker).to receive(:try_obtain_lease_for).
-          with(project.id, :update_repository_size).
+          with(project.id, :update_statistics).
           and_return(true)
 
-        expect(project).to receive(:update_repository_size).and_call_original
+        expect(statistics).to receive(:refresh!)
+          .with(only: %i(repository_size))
+          .and_call_original
 
-        worker.update_repository_size(project)
+        worker.update_statistics(project, %i(repository_size))
       end
     end
   end
diff --git a/vendor/gitignore/Clojure.gitignore b/vendor/gitignore/Clojure.gitignore
deleted file mode 120000
index 7657a270c457f4d600c76f2a91775c90b730062d..0000000000000000000000000000000000000000
--- a/vendor/gitignore/Clojure.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-Leiningen.gitignore
\ No newline at end of file
diff --git a/vendor/gitignore/Clojure.gitignore b/vendor/gitignore/Clojure.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..a9fe6fba80d90b63aee464ecfd89ea59f697c6e1
--- /dev/null
+++ b/vendor/gitignore/Clojure.gitignore
@@ -0,0 +1,13 @@
+pom.xml
+pom.xml.asc
+*.jar
+*.class
+/lib/
+/classes/
+/target/
+/checkouts/
+.lein-deps-sum
+.lein-repl-history
+.lein-plugins/
+.lein-failures
+.nrepl-port