Add latest changes from gitlab-org/gitlab@14-4-stable-eev14.4.0-rc42

1 files changed, 27 insertions, 0 deletions

diff --git a/scripts/rubocop-max-files-in-cache-check b/scripts/rubocop-max-files-in-cache-check
new file mode 100755
index 00000000000..5b422d0a0f4
--- /dev/null
+++ b/scripts/rubocop-max-files-in-cache-check
@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require 'yaml'
+
+MINIMUM_MAX_FILES_IN_CACHE_MARGIN = 1.05
+RECOMMENDED_MAX_FILES_IN_CACHE_MARGIN = 1.25
+RUBOCOP_LIST_TARGET_FILES_COMMAND = 'bundle exec rubocop --list-target-files | wc -l'
+
+RuboCopMaxFilesInCacheIsTooSmall = Class.new(StandardError)
+
+rubocop_target_files_count = `#{RUBOCOP_LIST_TARGET_FILES_COMMAND}`.strip.to_i
+
+raise Error, "#{RUBOCOP_LIST_TARGET_FILES_COMMAND} failed with status #{$?}!" if rubocop_target_files_count == 0
+
+rubocop_target_files_count = rubocop_target_files_count.to_i
+rubocop_current_max_files_in_cache = YAML.load_file(File.expand_path('../.rubocop.yml', __dir__)).dig('AllCops', 'MaxFilesInCache').to_i
+minimum_max_files_in_cache = (rubocop_target_files_count * MINIMUM_MAX_FILES_IN_CACHE_MARGIN).round(-3)
+
+# We want AllCops.MaxFilesInCache to be at least 5% above the actual files count at any time to give us enough time to increase it accordingly
+if rubocop_current_max_files_in_cache <= minimum_max_files_in_cache
+  recommended_max_files_in_cache = (rubocop_target_files_count * RECOMMENDED_MAX_FILES_IN_CACHE_MARGIN).round(-3)
+  raise RuboCopMaxFilesInCacheIsTooSmall, "Current count of RuboCop target file is #{rubocop_target_files_count} but AllCops.MaxFilesInCache is set to #{rubocop_current_max_files_in_cache}. We recommend to increase it to #{recommended_max_files_in_cache}."
+else
+  puts "Current count of RuboCop target file is #{rubocop_target_files_count} and AllCops.MaxFilesInCache is set to #{rubocop_current_max_files_in_cache}. All good."
+  exit(0)
+end