Merge remote-tracking branch 'upstream/master' into artifacts-from-ref-and-build-name

* upstream/master: (117 commits)
  `WikiPage` should have a slug even when not persisted.
  ES6ify all the things!
  Make fork counter always clickable (!5463)
  Revert "Merge branch '17073-tagscontroller-index-is-terrible-response-time-goes-up-to-5-…"
  Fix CHANGELOG
  Add spec for dashes in paths
  Fix Error 500 when creating Wiki pages with hyphens or spaces
  Add links to the real markdown.md file for all GFM examples
  Remove magic comments from Ruby files (!5456)
  Ignore invalid trusted proxies in X-Forwarded-For header
  Fix bug where replies to commit notes displayed in the MR discussion tab wouldn't show up on the commit page
  Improve project rename log messages for better debugging
  If version file is unavailable unknown status
  Add gitlab-workhorse version to admin dashboard
  Add note to say GFM doesn't work on documentation website
  Add detailed info on storage path mountpoints
  Load project invited groups and members eagerly in ProjectTeam#fetch_members
  fix missing repo_ref param
  Add light border to rounded avatars
  Gracefully handle case when keep-around references are corrupted or exist already
  ...

7 files changed, 55 insertions, 42 deletions

diff --git a/app/controllers/admin/application_settings_controller.rb b/app/controllers/admin/application_settings_controller.rb
index 23ba83aba0e..9e1dc15de84 100644
--- a/app/controllers/admin/application_settings_controller.rb
+++ b/app/controllers/admin/application_settings_controller.rb
@@ -64,6 +64,7 @@ class Admin::ApplicationSettingsController < Admin::ApplicationController
     params[:application_setting][:disabled_oauth_sign_in_sources] =
       AuthHelper.button_based_providers.map(&:to_s) -
       Array(enabled_oauth_sign_in_sources)
+    params.delete(:domain_blacklist_raw) if params[:domain_blacklist_file]
 
     params.require(:application_setting).permit(
       :default_projects_limit,
@@ -83,7 +84,10 @@ class Admin::ApplicationSettingsController < Admin::ApplicationController
       :default_project_visibility,
       :default_snippet_visibility,
       :default_group_visibility,
-      :restricted_signup_domains_raw,
+      :domain_whitelist_raw,
+      :domain_blacklist_enabled,
+      :domain_blacklist_raw,
+      :domain_blacklist_file,
       :version_check_enabled,
       :admin_notification_email,
       :user_oauth_applications,
diff --git a/app/controllers/help_controller.rb b/app/controllers/help_controller.rb
index d3dd98c8a4e..f7b44099b78 100644
--- a/app/controllers/help_controller.rb
+++ b/app/controllers/help_controller.rb
@@ -30,7 +30,7 @@ class HelpController < ApplicationController
       end
 
       # Allow access to images in the doc folder
-      format.any(:png, :gif, :jpeg) do
+      format.any(:png, :gif, :jpeg, :mp4) do
         # Note: We are purposefully NOT using `Rails.root.join`
         path = File.join(Rails.root, 'doc', "#{@path}.#{params[:format]}")
 
diff --git a/app/controllers/projects/commit_controller.rb b/app/controllers/projects/commit_controller.rb
index 727e84b40a1..7ae034f9398 100644
--- a/app/controllers/projects/commit_controller.rb
+++ b/app/controllers/projects/commit_controller.rb
@@ -115,11 +115,11 @@ class Projects::CommitController < Projects::ApplicationController
   end
 
   def define_note_vars
-    @grouped_diff_notes = commit.notes.grouped_diff_notes
+    @grouped_diff_discussions = commit.notes.grouped_diff_discussions
     @notes = commit.notes.non_diff_notes.fresh
 
     Banzai::NoteRenderer.render(
-      @grouped_diff_notes.values.flatten + @notes,
+      @grouped_diff_discussions.values.flat_map(&:notes) + @notes,
       @project,
       current_user,
     )
diff --git a/app/controllers/projects/compare_controller.rb b/app/controllers/projects/compare_controller.rb
index 10749d0fef8..8c004724f02 100644
--- a/app/controllers/projects/compare_controller.rb
+++ b/app/controllers/projects/compare_controller.rb
@@ -54,7 +54,7 @@ class Projects::CompareController < Projects::ApplicationController
       )
 
       @diff_notes_disabled = true
-      @grouped_diff_notes = {}
+      @grouped_diff_discussions = {}
     end
   end
 
diff --git a/app/controllers/projects/merge_requests_controller.rb b/app/controllers/projects/merge_requests_controller.rb
index df659bb8c3b..594a61464b9 100644
--- a/app/controllers/projects/merge_requests_controller.rb
+++ b/app/controllers/projects/merge_requests_controller.rb
@@ -97,7 +97,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController
     else
       build_merge_request
       @diff_notes_disabled = true
-      @grouped_diff_notes = {}
+      @grouped_diff_discussions = {}
     end
 
     define_commit_vars
@@ -286,6 +286,8 @@ class Projects::MergeRequestsController < Projects::ApplicationController
       status = pipeline.status
       coverage = pipeline.try(:coverage)
 
+      status = "success_with_warnings" if pipeline.success? && pipeline.has_warnings?
+
       status ||= "preparing"
     else
       ci_service = @merge_request.source_project.ci_service
@@ -376,7 +378,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController
 
     # This is not executed lazily
     @notes = Banzai::NoteRenderer.render(
-      @discussions.flatten,
+      @discussions.flat_map(&:notes),
       @project,
       current_user,
       @path,
@@ -402,10 +404,10 @@ class Projects::MergeRequestsController < Projects::ApplicationController
     }
 
     @use_legacy_diff_notes = !@merge_request.support_new_diff_notes?
-    @grouped_diff_notes = @merge_request.notes.grouped_diff_notes
+    @grouped_diff_discussions = @merge_request.notes.grouped_diff_discussions
 
     Banzai::NoteRenderer.render(
-      @grouped_diff_notes.values.flatten,
+      @grouped_diff_discussions.values.flat_map(&:notes),
       @project,
       current_user,
       @path,
diff --git a/app/controllers/projects/notes_controller.rb b/app/controllers/projects/notes_controller.rb
index 3eacdbbd067..766b7e9cf22 100644
--- a/app/controllers/projects/notes_controller.rb
+++ b/app/controllers/projects/notes_controller.rb
@@ -73,7 +73,7 @@ class Projects::NotesController < Projects::ApplicationController
   end
   alias_method :awardable, :note
 
-  def note_to_html(note)
+  def note_html(note)
     render_to_string(
       "projects/notes/_note",
       layout: false,
@@ -82,20 +82,20 @@ class Projects::NotesController < Projects::ApplicationController
     )
   end
 
-  def note_to_discussion_html(note)
-    return unless note.diff_note?
+  def diff_discussion_html(discussion)
+    return unless discussion.diff_discussion?
 
     if params[:view] == 'parallel'
-      template = "projects/notes/_diff_notes_with_reply_parallel"
+      template = "discussions/_parallel_diff_discussion"
       locals =
         if params[:line_type] == 'old'
-          { notes_left: [note], notes_right: [] }
+          { discussion_left: discussion, discussion_right: nil }
         else
-          { notes_left: [], notes_right: [note] }
+          { discussion_left: nil, discussion_right: discussion }
         end
     else
-      template = "projects/notes/_diff_notes_with_reply"
-      locals = { notes: [note] }
+      template = "discussions/_diff_discussion"
+      locals = { discussion: discussion }
     end
 
     render_to_string(
@@ -106,14 +106,14 @@ class Projects::NotesController < Projects::ApplicationController
     )
   end
 
-  def note_to_discussion_with_diff_html(note)
-    return unless note.diff_note?
+  def discussion_html(discussion)
+    return unless discussion.diff_discussion?
 
     render_to_string(
-      "projects/notes/_discussion",
+      "discussions/_discussion",
       layout: false,
       formats: [:html],
-      locals: { discussion_notes: [note] }
+      locals: { discussion: discussion }
     )
   end
 
@@ -132,26 +132,33 @@ class Projects::NotesController < Projects::ApplicationController
         valid: true,
         id: note.id,
         discussion_id: note.discussion_id,
-        html: note_to_html(note),
+        html: note_html(note),
         award: false,
-        note: note.note,
-        discussion_html: note_to_discussion_html(note),
-        discussion_with_diff_html: note_to_discussion_with_diff_html(note)
+        note: note.note
       }
 
-      # The discussion_id is used to add the comment to the correct discussion
-      # element on the merge request page. Among other things, the discussion_id
-      # contains the sha of head commit of the merge request.
-      # When new commits are pushed into the merge request after the initial
-      # load of the merge request page, the discussion elements will still have
-      # the old discussion_ids, with the old head commit sha. The new comment,
-      # however, will have the new discussion_id with the new commit sha.
-      # To ensure that these new comments will still end up in the correct
-      # discussion element, we also send the original discussion_id, with the
-      # old commit sha, along, and fall back on this value when no discussion
-      # element with the new discussion_id could be found.
-      if note.new_diff_note? && note.position != note.original_position
-        attrs[:original_discussion_id] = note.original_discussion_id
+      if note.diff_note?
+        discussion = Discussion.new([note])
+
+        attrs.merge!(
+          diff_discussion_html: diff_discussion_html(discussion),
+          discussion_html: discussion_html(discussion)
+        )
+
+        # The discussion_id is used to add the comment to the correct discussion
+        # element on the merge request page. Among other things, the discussion_id
+        # contains the sha of head commit of the merge request.
+        # When new commits are pushed into the merge request after the initial
+        # load of the merge request page, the discussion elements will still have
+        # the old discussion_ids, with the old head commit sha. The new comment,
+        # however, will have the new discussion_id with the new commit sha.
+        # To ensure that these new comments will still end up in the correct
+        # discussion element, we also send the original discussion_id, with the
+        # old commit sha, along, and fall back on this value when no discussion
+        # element with the new discussion_id could be found.
+        if note.new_diff_note? && note.position != note.original_position
+          attrs[:original_discussion_id] = note.original_discussion_id
+        end
       end
 
       attrs
diff --git a/app/controllers/projects/uploads_controller.rb b/app/controllers/projects/uploads_controller.rb
index caed064dfbc..e617be8f9fb 100644
--- a/app/controllers/projects/uploads_controller.rb
+++ b/app/controllers/projects/uploads_controller.rb
@@ -1,6 +1,6 @@
 class Projects::UploadsController < Projects::ApplicationController
   skip_before_action :reject_blocked!, :project,
-    :repository, if: -> { action_name == 'show' && image? }
+    :repository, if: -> { action_name == 'show' && image_or_video? }
 
   before_action :authorize_upload_file!, only: [:create]
 
@@ -24,7 +24,7 @@ class Projects::UploadsController < Projects::ApplicationController
   def show
     return render_404 if uploader.nil? || !uploader.file.exists?
 
-    disposition = uploader.image? ? 'inline' : 'attachment'
+    disposition = uploader.image_or_video? ? 'inline' : 'attachment'
     send_file uploader.file.path, disposition: disposition
   end
 
@@ -49,7 +49,7 @@ class Projects::UploadsController < Projects::ApplicationController
     @uploader
   end
 
-  def image?
-    uploader && uploader.file.exists? && uploader.image?
+  def image_or_video?
+    uploader && uploader.file.exists? && uploader.image_or_video?
   end
 end