DRY up conditions for files require DB review

Stop using two separate lists for the conditions which files require a
database review.

Related discussion:
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/30156#note_187732053

1 files changed, 1 insertions, 31 deletions

diff --git a/danger/database/Dangerfile b/danger/database/Dangerfile
index 4dadf60ad24..083e95b8da7 100644
--- a/danger/database/Dangerfile
+++ b/danger/database/Dangerfile
@@ -1,21 +1,5 @@
 # frozen_string_literal: true
 
-# All the files/directories that should be reviewed by the DB team.
-DB_FILES = [
-  'db/',
-  'app/models/project_authorization.rb',
-  'app/services/users/refresh_authorized_projects_service.rb',
-  'lib/gitlab/background_migration.rb',
-  'lib/gitlab/background_migration/',
-  'lib/gitlab/database.rb',
-  'lib/gitlab/database/',
-  'lib/gitlab/github_import.rb',
-  'lib/gitlab/github_import/',
-  'lib/gitlab/sql/',
-  'rubocop/cop/migration',
-  'ee/lib/gitlab/database/'
-].freeze
-
 SCHEMA_NOT_UPDATED_MESSAGE = <<~MSG
 **New %<migrations>s added but %<schema>s wasn't updated.**
 
@@ -24,20 +8,6 @@ updated too (unless the migration isn't changing the DB schema
 and isn't the most recent one).
 MSG
 
-def database_paths_requiring_review(files)
-  to_review = []
-
-  files.each do |file|
-    review = DB_FILES.any? do |pattern|
-      file.start_with?(pattern)
-    end
-
-    to_review << file if review
-  end
-
-  to_review
-end
-
 non_geo_db_schema_updated = !git.modified_files.grep(%r{\Adb/schema\.rb}).empty?
 geo_db_schema_updated = !git.modified_files.grep(%r{\Aee/db/geo/schema\.rb}).empty?
 
@@ -52,7 +22,7 @@ if geo_migration_created && !geo_db_schema_updated
   warn format(SCHEMA_NOT_UPDATED_MESSAGE, migrations: 'Geo migrations', schema: gitlab.html_link("ee/db/geo/schema.rb"))
 end
 
-db_paths_to_review = database_paths_requiring_review(helper.all_changed_files)
+db_paths_to_review = helper.changes_by_category[:database]
 
 unless db_paths_to_review.empty?
   message 'This merge request adds or changes files that require a ' \