new export stuff and view

app/helpers/projects_helper.rb

@@ -348,4 +348,10 @@ module ProjectsHelper
 
     message.strip.gsub(Gitlab.config.gitlab_shell.repos_path.chomp('/'), "[REPOS PATH]")
   end
+
+  def db_export_list
+    YAML.load_file(Gitlab::ImportExport.config_file)['project_tree'].map do |relation|
+      relation.is_a?(Hash) ? relation.keys.first.to_s : relation.to_s
+    end + ['notes', 'merge_request_diffs']
+  end
 end

app/models/project.rb

@@ -348,16 +348,6 @@ class Project < ActiveRecord::Base
 
       joins(join_body).reorder('join_note_counts.amount DESC')
     end
-
-    def create_from_import_job(current_user_id:, tmp_file:, namespace_id:, project_path:)
-      job_id = ProjectImportWorker.perform_async(current_user_id, tmp_file, namespace_id, project_path)
-
-      if job_id
-        Rails.logger.info "Import job started for export #{tmp_file} with job ID #{job_id}"
-      else
-        Rails.logger.error "Import job failed to start for #{tmp_file}"
-      end
-    end
   end
 
   def team

app/views/projects/edit.html.haml

@@ -129,9 +129,27 @@
           Generates a compressed export file of the project and sends a link to download the export.
     .col-lg-9
 
-      = link_to 'Generate new export', export_namespace_project_path(@project.namespace, @project),
+      = link_to 'Export project', export_namespace_project_path(@project.namespace, @project),
                 method: :post, class: "btn btn-default"
 
+      %p.append-bottom-0
+        %p
+          .row.prepend-top-default
+            Clicking on Export project, will produce a compressed file that will be sent as a link to your registered e-mail address.
+
+      .bs-callout.bs-callout-info
+        %p.append-bottom-0
+          %p
+            The following items will be exported:
+          %ul
+            %li Project and wiki repository
+            %li Project uploads
+            %li DB items, including configuration
+            %ul
+              - db_export_list.each do |export_relation|
+                %li
+                  %code #{export_relation}
+
   %hr
   - if can? current_user, :archive_project, @project
     .row.prepend-top-default

lib/gitlab/import_export/project_creator.rb

@@ -2,7 +2,7 @@ module Gitlab
   module ImportExport
     class ProjectCreator
 
-      def initialize(namespace_id, current_user, )
+      def initialize(namespace_id, current_user)
         @repo = repo
         @namespace = Namespace.find_by_id(namespace_id)
         @current_user = current_user