Merge branch 'add-project-level-config-for-prospective-merge-pipelines-ce' into 'master'

Backport: Add project level config for merge pipelines

See merge request gitlab-org/gitlab-ce!25385

app/views/projects/_merge_request_merge_settings.html.haml

@@ -9,6 +9,7 @@
       %span.descr
         Pipelines need to be configured to enable this feature.
         = link_to icon('question-circle'), help_page_path('user/project/merge_requests/merge_when_pipeline_succeeds', anchor: 'only-allow-merge-requests-to-be-merged-if-the-pipeline-succeeds'), target: '_blank'
+  = render_if_exists 'projects/merge_pipelines_settings', form: form
   .form-check
     = form.check_box :only_allow_merge_if_all_discussions_are_resolved, class: 'form-check-input'
     = form.label :only_allow_merge_if_all_discussions_are_resolved, class: 'form-check-label' do

changelogs/unreleased/add-project-level-config-for-prospective-merge-pipelines-ce.yml

@@ -0,0 +1,5 @@
+---
+title: Add project level config for merge pipelines
+merge_request: 25385
+author:
+type: added

db/migrate/20190215154930_add_merge_pipelines_enabled_to_ci_cd_settings.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class AddMergePipelinesEnabledToCiCdSettings < ActiveRecord::Migration[5.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    add_column :project_ci_cd_settings, :merge_pipelines_enabled, :boolean
+  end
+end

db/schema.rb

@@ -1575,6 +1575,7 @@ ActiveRecord::Schema.define(version: 20190220150130) do
   create_table "project_ci_cd_settings", force: :cascade do |t|
     t.integer "project_id", null: false
     t.boolean "group_runners_enabled", default: true, null: false
+    t.boolean "merge_pipelines_enabled"
     t.index ["project_id"], name: "index_project_ci_cd_settings_on_project_id", unique: true, using: :btree
   end