Avoid calling freeze on already frozen strings in lib

lib/api/helpers.rb

@@ -5,10 +5,10 @@ module API
     include Gitlab::Utils
     include Helpers::Pagination
 
-    SUDO_HEADER = "HTTP_SUDO".freeze
-    GITLAB_SHARED_SECRET_HEADER = "Gitlab-Shared-Secret".freeze
+    SUDO_HEADER = "HTTP_SUDO"
+    GITLAB_SHARED_SECRET_HEADER = "Gitlab-Shared-Secret"
     SUDO_PARAM = :sudo
-    API_USER_ENV = 'gitlab.api.user'.freeze
+    API_USER_ENV = 'gitlab.api.user'
 
     def declared_params(options = {})
       options = { include_parent_namespaces: false }.merge(options)

lib/api/helpers/runner.rb

@@ -3,7 +3,7 @@
 module API
   module Helpers
     module Runner
-      JOB_TOKEN_HEADER = 'HTTP_JOB_TOKEN'.freeze
+      JOB_TOKEN_HEADER = 'HTTP_JOB_TOKEN'
       JOB_TOKEN_PARAM = :token
 
       def runner_registration_token_valid?

lib/backup/manager.rb

@@ -4,7 +4,7 @@ module Backup
   class Manager
     ARCHIVES_TO_BACKUP = %w[uploads builds artifacts pages lfs registry].freeze
     FOLDERS_TO_BACKUP = %w[repositories db].freeze
-    FILE_NAME_SUFFIX = '_gitlab_backup.tar'.freeze
+    FILE_NAME_SUFFIX = '_gitlab_backup.tar'
 
     attr_reader :progress
 

lib/banzai/filter/color_filter.rb

@@ -5,7 +5,7 @@ module Banzai
     # HTML filter that renders `color` followed by a color "chip".
     #
     class ColorFilter < HTML::Pipeline::Filter
-      COLOR_CHIP_CLASS = 'gfm-color_chip'.freeze
+      COLOR_CHIP_CLASS = 'gfm-color_chip'
 
       def call
         doc.css('code').each do |node|

lib/banzai/filter/external_link_filter.rb

@@ -5,8 +5,8 @@ module Banzai
     # HTML Filter to modify the attributes of external links
     class ExternalLinkFilter < HTML::Pipeline::Filter
       SCHEMES      = ['http', 'https', nil].freeze
-      RTLO         = "\u202E".freeze
-      ENCODED_RTLO = '%E2%80%AE'.freeze
+      RTLO         = "\u202E"
+      ENCODED_RTLO = '%E2%80%AE'
 
       def call
         links.each do |node|

lib/banzai/filter/footnote_filter.rb

@@ -17,8 +17,8 @@ module Banzai
     #
     class FootnoteFilter < HTML::Pipeline::Filter
       INTEGER_PATTERN                 = /\A\d+\z/.freeze
-      FOOTNOTE_ID_PREFIX              = 'fn'.freeze
-      FOOTNOTE_LINK_ID_PREFIX         = 'fnref'.freeze
+      FOOTNOTE_ID_PREFIX              = 'fn'
+      FOOTNOTE_LINK_ID_PREFIX         = 'fnref'
       FOOTNOTE_LI_REFERENCE_PATTERN   = /\A#{FOOTNOTE_ID_PREFIX}\d+\z/.freeze
       FOOTNOTE_LINK_REFERENCE_PATTERN = /\A#{FOOTNOTE_LINK_ID_PREFIX}\d+\z/.freeze
       FOOTNOTE_START_NUMBER           = 1

lib/banzai/filter/math_filter.rb

@@ -11,14 +11,14 @@ module Banzai
     #
     class MathFilter < HTML::Pipeline::Filter
       # Attribute indicating inline or display math.
-      STYLE_ATTRIBUTE = 'data-math-style'.freeze
+      STYLE_ATTRIBUTE = 'data-math-style'
 
       # Class used for tagging elements that should be rendered
-      TAG_CLASS = 'js-render-math'.freeze
+      TAG_CLASS = 'js-render-math'
 
-      INLINE_CLASSES = "code math #{TAG_CLASS}".freeze
+      INLINE_CLASSES = "code math #{TAG_CLASS}"
 
-      DOLLAR_SIGN = '$'.freeze
+      DOLLAR_SIGN = '$'
 
       def call
         doc.css('code').each do |code|

lib/banzai/filter/suggestion_filter.rb

@@ -5,7 +5,7 @@ module Banzai
   module Filter
     class SuggestionFilter < HTML::Pipeline::Filter
       # Class used for tagging elements that should be rendered
-      TAG_CLASS = 'js-render-suggestion'.freeze
+      TAG_CLASS = 'js-render-suggestion'
 
       def call
         return doc unless suggestions_filter_enabled?

lib/banzai/filter/syntax_highlight_filter.rb

@@ -10,8 +10,8 @@ module Banzai
     class SyntaxHighlightFilter < HTML::Pipeline::Filter
       include OutputSafety
 
-      PARAMS_DELIMITER = ':'.freeze
-      LANG_PARAMS_ATTR = 'data-lang-params'.freeze
+      PARAMS_DELIMITER = ':'
+      LANG_PARAMS_ATTR = 'data-lang-params'
 
       def call
         doc.search('pre:not([data-math-style]) > code').each do |node|

lib/banzai/issuable_extractor.rb

@@ -11,8 +11,8 @@ module Banzai
   class IssuableExtractor
     attr_reader :context
 
-    ISSUE_REFERENCE_TYPE = '@data-reference-type="issue"'.freeze
-    MERGE_REQUEST_REFERENCE_TYPE = '@data-reference-type="merge_request"'.freeze
+    ISSUE_REFERENCE_TYPE = '@data-reference-type="issue"'
+    MERGE_REQUEST_REFERENCE_TYPE = '@data-reference-type="merge_request"'
 
     # context - An instance of Banzai::RenderContext.
     def initialize(context)

lib/bitbucket/connection.rb

@@ -2,8 +2,8 @@
 
 module Bitbucket
   class Connection
-    DEFAULT_API_VERSION = '2.0'.freeze
-    DEFAULT_BASE_URI    = 'https://api.bitbucket.org/'.freeze
+    DEFAULT_API_VERSION = '2.0'
+    DEFAULT_BASE_URI    = 'https://api.bitbucket.org/'
     DEFAULT_QUERY       = {}.freeze
 
     attr_reader :expires_at, :expires_in, :refresh_token, :token

lib/gitlab.rb

@@ -29,13 +29,13 @@ module Gitlab
         if result.status.success?
           result.stdout.chomp.freeze
         else
-          "Unknown".freeze
+          "Unknown"
         end
       end
     end
   end
 
-  COM_URL = 'https://gitlab.com'.freeze
+  COM_URL = 'https://gitlab.com'
   APP_DIRS_PATTERN = %r{^/?(app|config|ee|lib|spec|\(\w*\))}.freeze
   SUBDOMAIN_REGEX = %r{\Ahttps://[a-z0-9]+\.gitlab\.com\z}.freeze
   VERSION = File.read(root.join("VERSION")).strip.freeze

lib/google_api/cloud_platform/client.rb

@@ -8,9 +8,9 @@ require 'google/apis/cloudresourcemanager_v1'
 module GoogleApi
   module CloudPlatform
     class Client < GoogleApi::Auth
-      SCOPE = 'https://www.googleapis.com/auth/cloud-platform'.freeze
+      SCOPE = 'https://www.googleapis.com/auth/cloud-platform'
       LEAST_TOKEN_LIFE_TIME = 10.minutes
-      CLUSTER_MASTER_AUTH_USERNAME = 'admin'.freeze
+      CLUSTER_MASTER_AUTH_USERNAME = 'admin'
 
       class << self
         def session_key_for_token

lib/quality/test_level.rb

@@ -53,7 +53,7 @@ module Quality
     end
 
     def pattern(level)
-      @patterns[level] ||= "#{prefix}spec/{#{TEST_LEVEL_FOLDERS.fetch(level).join(',')}}{,/**/}*_spec.rb".freeze
+      @patterns[level] ||= "#{prefix}spec/{#{TEST_LEVEL_FOLDERS.fetch(level).join(',')}}{,/**/}*_spec.rb"
     end
 
     def regexp(level)

lib/system_check/app/init_script_up_to_date_check.rb

@@ -3,7 +3,7 @@
 module SystemCheck
   module App
     class InitScriptUpToDateCheck < SystemCheck::BaseCheck
-      SCRIPT_PATH = '/etc/init.d/gitlab'.freeze
+      SCRIPT_PATH = '/etc/init.d/gitlab'
 
       set_name 'Init script up-to-date?'
       set_skip_reason 'skipped (omnibus-gitlab has no init script)'

lib/system_check/app/redis_version_check.rb

@@ -3,7 +3,7 @@
 module SystemCheck
   module App
     class RedisVersionCheck < SystemCheck::BaseCheck
-      MIN_REDIS_VERSION = '2.8.0'.freeze
+      MIN_REDIS_VERSION = '2.8.0'
       set_name "Redis version >= #{MIN_REDIS_VERSION}?"
 
       def check?

lib/tasks/gitlab/graphql.rake

@@ -3,8 +3,8 @@
 return if Rails.env.production?
 
 namespace :gitlab do
-  OUTPUT_DIR = Rails.root.join("doc/api/graphql/reference").freeze
-  TEMPLATES_DIR = 'lib/gitlab/graphql/docs/templates/'.freeze
+  OUTPUT_DIR = Rails.root.join("doc/api/graphql/reference")
+  TEMPLATES_DIR = 'lib/gitlab/graphql/docs/templates/'
 
   namespace :graphql do
     desc 'GitLab | Generate GraphQL docs'

lib/tasks/gitlab/uploads/legacy.rake

@@ -11,7 +11,7 @@ namespace :gitlab do
           include ::EachBatch
         end
 
-        migration = 'LegacyUploadsMigrator'.freeze
+        migration = 'LegacyUploadsMigrator'
         batch_size = 5000
         delay_interval = 5.minutes.to_i