Read import sources from setting at first initialization

app/models/application_setting.rb

@@ -247,7 +247,7 @@ class ApplicationSetting < ActiveRecord::Base
       housekeeping_full_repack_period: 50,
       housekeeping_gc_period: 200,
       housekeeping_incremental_repack_period: 10,
-      import_sources: Gitlab::ImportSources.values,
+      import_sources: Settings.gitlab['import_sources'],
       koding_enabled: false,
       koding_url: nil,
       max_artifacts_size: Settings.artifacts['max_size'],

changelogs/unreleased/import-sources-fix.yml

+---
+title: Read import sources from setting at first initialization
+merge_request: 14141
+author: Visay Keo
+type: fixed

config/initializers/1_settings.rb

@@ -269,7 +269,7 @@ Settings.gitlab.default_projects_features['builds']             = true if Settin
 Settings.gitlab.default_projects_features['container_registry'] = true if Settings.gitlab.default_projects_features['container_registry'].nil?
 Settings.gitlab.default_projects_features['visibility_level']   = Settings.__send__(:verify_constant, Gitlab::VisibilityLevel, Settings.gitlab.default_projects_features['visibility_level'], Gitlab::VisibilityLevel::PRIVATE)
 Settings.gitlab['domain_whitelist'] ||= []
-Settings.gitlab['import_sources'] ||= %w[github bitbucket gitlab google_code fogbugz git gitlab_project gitea]
+Settings.gitlab['import_sources'] ||= Gitlab::ImportSources.values
 Settings.gitlab['trusted_proxies'] ||= []
 Settings.gitlab['no_todos_messages'] ||= YAML.load_file(Rails.root.join('config', 'no_todos_messages.yml'))
 Settings.gitlab['usage_ping_enabled'] = true if Settings.gitlab['usage_ping_enabled'].nil?