Add "frozen_string_literal: false" for all files (#26561).

This will be changed to true in the future.


git-svn-id: http://svn.redmine.org/redmine/trunk@17947 e93f8b46-1217-0410-a6f0-8f06a7374b81

80 files changed, 160 insertions, 1 deletions

diff --git a/lib/redmine/access_control.rb b/lib/redmine/access_control.rb
index abf88f48e..9dd2258a9 100644
--- a/lib/redmine/access_control.rb
+++ b/lib/redmine/access_control.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/access_keys.rb b/lib/redmine/access_keys.rb
index f2616061b..7d195669d 100644
--- a/lib/redmine/access_keys.rb
+++ b/lib/redmine/access_keys.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/activity.rb b/lib/redmine/activity.rb
index 48e02dffa..e7d508a4d 100644
--- a/lib/redmine/activity.rb
+++ b/lib/redmine/activity.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/activity/fetcher.rb b/lib/redmine/activity/fetcher.rb
index fccce54eb..08149d740 100644
--- a/lib/redmine/activity/fetcher.rb
+++ b/lib/redmine/activity/fetcher.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/acts/positioned.rb b/lib/redmine/acts/positioned.rb
index 00f8332b8..7c8726107 100644
--- a/lib/redmine/acts/positioned.rb
+++ b/lib/redmine/acts/positioned.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/ciphering.rb b/lib/redmine/ciphering.rb
index ad30e035f..0d7003d27 100644
--- a/lib/redmine/ciphering.rb
+++ b/lib/redmine/ciphering.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/codeset_util.rb b/lib/redmine/codeset_util.rb
index 4f056d54a..e27da506f 100644
--- a/lib/redmine/codeset_util.rb
+++ b/lib/redmine/codeset_util.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 
 module Redmine
   module CodesetUtil
diff --git a/lib/redmine/configuration.rb b/lib/redmine/configuration.rb
index 8d96749e1..9bb5c3550 100644
--- a/lib/redmine/configuration.rb
+++ b/lib/redmine/configuration.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/core_ext.rb b/lib/redmine/core_ext.rb
index 573313e74..0eab327ab 100644
--- a/lib/redmine/core_ext.rb
+++ b/lib/redmine/core_ext.rb
@@ -1 +1,3 @@
+# frozen_string_literal: false
+
 Dir[File.dirname(__FILE__) + "/core_ext/*.rb"].each { |file| require(file) }
diff --git a/lib/redmine/core_ext/active_record.rb b/lib/redmine/core_ext/active_record.rb
index 72a794da3..d8c51f53b 100644
--- a/lib/redmine/core_ext/active_record.rb
+++ b/lib/redmine/core_ext/active_record.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/core_ext/string.rb b/lib/redmine/core_ext/string.rb
index 5d03b9b5c..7810a2e47 100644
--- a/lib/redmine/core_ext/string.rb
+++ b/lib/redmine/core_ext/string.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 require File.dirname(__FILE__) + '/string/conversions'
 require File.dirname(__FILE__) + '/string/inflections'
 
diff --git a/lib/redmine/core_ext/string/conversions.rb b/lib/redmine/core_ext/string/conversions.rb
index 4fc571167..3bdaa5ff1 100644
--- a/lib/redmine/core_ext/string/conversions.rb
+++ b/lib/redmine/core_ext/string/conversions.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/core_ext/string/inflections.rb b/lib/redmine/core_ext/string/inflections.rb
index efb62ee8e..aeb53bf67 100644
--- a/lib/redmine/core_ext/string/inflections.rb
+++ b/lib/redmine/core_ext/string/inflections.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/database.rb b/lib/redmine/database.rb
index 82df4b6a4..fb449fa46 100644
--- a/lib/redmine/database.rb
+++ b/lib/redmine/database.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/default_data/loader.rb b/lib/redmine/default_data/loader.rb
index f702826c7..751b397bf 100644
--- a/lib/redmine/default_data/loader.rb
+++ b/lib/redmine/default_data/loader.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/export/csv.rb b/lib/redmine/export/csv.rb
index b0d48ef6f..92da0cff5 100644
--- a/lib/redmine/export/csv.rb
+++ b/lib/redmine/export/csv.rb
@@ -1,4 +1,6 @@
 # encoding: utf-8
+# frozen_string_literal: false
+
 #
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
diff --git a/lib/redmine/export/pdf.rb b/lib/redmine/export/pdf.rb
index ff383d108..28627c2a4 100644
--- a/lib/redmine/export/pdf.rb
+++ b/lib/redmine/export/pdf.rb
@@ -1,4 +1,6 @@
 # encoding: utf-8
+# frozen_string_literal: false
+
 #
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
diff --git a/lib/redmine/export/pdf/issues_pdf_helper.rb b/lib/redmine/export/pdf/issues_pdf_helper.rb
index 3a6183893..5acdeffa9 100644
--- a/lib/redmine/export/pdf/issues_pdf_helper.rb
+++ b/lib/redmine/export/pdf/issues_pdf_helper.rb
@@ -1,4 +1,6 @@
 # encoding: utf-8
+# frozen_string_literal: false
+
 #
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
diff --git a/lib/redmine/export/pdf/wiki_pdf_helper.rb b/lib/redmine/export/pdf/wiki_pdf_helper.rb
index 206820e54..5d325f2fd 100644
--- a/lib/redmine/export/pdf/wiki_pdf_helper.rb
+++ b/lib/redmine/export/pdf/wiki_pdf_helper.rb
@@ -1,4 +1,6 @@
 # encoding: utf-8
+# frozen_string_literal: false
+
 #
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
diff --git a/lib/redmine/field_format.rb b/lib/redmine/field_format.rb
index 3878b2dcb..21f372ab0 100644
--- a/lib/redmine/field_format.rb
+++ b/lib/redmine/field_format.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/helpers/calendar.rb b/lib/redmine/helpers/calendar.rb
index 3641097ba..2d2392fdd 100644
--- a/lib/redmine/helpers/calendar.rb
+++ b/lib/redmine/helpers/calendar.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/helpers/diff.rb b/lib/redmine/helpers/diff.rb
index d62e763c6..6f61e3e52 100644
--- a/lib/redmine/helpers/diff.rb
+++ b/lib/redmine/helpers/diff.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/helpers/gantt.rb b/lib/redmine/helpers/gantt.rb
index d5f85ee6f..abe783267 100644
--- a/lib/redmine/helpers/gantt.rb
+++ b/lib/redmine/helpers/gantt.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/helpers/time_report.rb b/lib/redmine/helpers/time_report.rb
index 5287ae95e..f460fee6c 100644
--- a/lib/redmine/helpers/time_report.rb
+++ b/lib/redmine/helpers/time_report.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/helpers/url.rb b/lib/redmine/helpers/url.rb
index 8e13ab291..402d3af38 100644
--- a/lib/redmine/helpers/url.rb
+++ b/lib/redmine/helpers/url.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/hook.rb b/lib/redmine/hook.rb
index 3d273b474..2a6129c4f 100644
--- a/lib/redmine/hook.rb
+++ b/lib/redmine/hook.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/hook/listener.rb b/lib/redmine/hook/listener.rb
index a84636fdf..474d6dd0e 100644
--- a/lib/redmine/hook/listener.rb
+++ b/lib/redmine/hook/listener.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
@@ -29,4 +31,4 @@ module Redmine
       end
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/redmine/hook/view_listener.rb b/lib/redmine/hook/view_listener.rb
index cb4c578a1..848e654a1 100644
--- a/lib/redmine/hook/view_listener.rb
+++ b/lib/redmine/hook/view_listener.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/i18n.rb b/lib/redmine/i18n.rb
index cdac4ea77..4432a2a10 100644
--- a/lib/redmine/i18n.rb
+++ b/lib/redmine/i18n.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/imap.rb b/lib/redmine/imap.rb
index 658b8d1bf..f4659ff1d 100644
--- a/lib/redmine/imap.rb
+++ b/lib/redmine/imap.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/info.rb b/lib/redmine/info.rb
index 62452e277..276c72d40 100644
--- a/lib/redmine/info.rb
+++ b/lib/redmine/info.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 module Redmine
   module Info
     class << self
diff --git a/lib/redmine/menu_manager.rb b/lib/redmine/menu_manager.rb
index dcdd0fa23..4b766695e 100644
--- a/lib/redmine/menu_manager.rb
+++ b/lib/redmine/menu_manager.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/mime_type.rb b/lib/redmine/mime_type.rb
index 46be81b49..6dbbe8599 100644
--- a/lib/redmine/mime_type.rb
+++ b/lib/redmine/mime_type.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/my_page.rb b/lib/redmine/my_page.rb
index 4bec1c29f..d1efe7b02 100644
--- a/lib/redmine/my_page.rb
+++ b/lib/redmine/my_page.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/nested_set/issue_nested_set.rb b/lib/redmine/nested_set/issue_nested_set.rb
index bb921d6de..61469e808 100644
--- a/lib/redmine/nested_set/issue_nested_set.rb
+++ b/lib/redmine/nested_set/issue_nested_set.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/nested_set/project_nested_set.rb b/lib/redmine/nested_set/project_nested_set.rb
index d6d33efaf..fa955be06 100644
--- a/lib/redmine/nested_set/project_nested_set.rb
+++ b/lib/redmine/nested_set/project_nested_set.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/nested_set/traversing.rb b/lib/redmine/nested_set/traversing.rb
index 07b6deec4..5809ed92a 100644
--- a/lib/redmine/nested_set/traversing.rb
+++ b/lib/redmine/nested_set/traversing.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/notifiable.rb b/lib/redmine/notifiable.rb
index 41fd736e6..39dc4c2df 100644
--- a/lib/redmine/notifiable.rb
+++ b/lib/redmine/notifiable.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 module Redmine
   class Notifiable < Struct.new(:name, :parent)
 
diff --git a/lib/redmine/pagination.rb b/lib/redmine/pagination.rb
index 0131c86e4..706e93816 100644
--- a/lib/redmine/pagination.rb
+++ b/lib/redmine/pagination.rb
@@ -1,4 +1,6 @@
 # encoding: utf-8
+# frozen_string_literal: false
+
 #
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
diff --git a/lib/redmine/platform.rb b/lib/redmine/platform.rb
index 5fdd58d7c..674c05607 100644
--- a/lib/redmine/platform.rb
+++ b/lib/redmine/platform.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/plugin.rb b/lib/redmine/plugin.rb
index 82bcde81f..ec575d17a 100644
--- a/lib/redmine/plugin.rb
+++ b/lib/redmine/plugin.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/pop3.rb b/lib/redmine/pop3.rb
index 548dfc173..ecba9f84d 100644
--- a/lib/redmine/pop3.rb
+++ b/lib/redmine/pop3.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/safe_attributes.rb b/lib/redmine/safe_attributes.rb
index a2711cc4b..7f5a0cd8e 100644
--- a/lib/redmine/safe_attributes.rb
+++ b/lib/redmine/safe_attributes.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/scm/adapters.rb b/lib/redmine/scm/adapters.rb
index bee5a5398..688cfbcc6 100644
--- a/lib/redmine/scm/adapters.rb
+++ b/lib/redmine/scm/adapters.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/scm/adapters/abstract_adapter.rb b/lib/redmine/scm/adapters/abstract_adapter.rb
index 7f3b8093f..7665b0d84 100644
--- a/lib/redmine/scm/adapters/abstract_adapter.rb
+++ b/lib/redmine/scm/adapters/abstract_adapter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/scm/adapters/bazaar_adapter.rb b/lib/redmine/scm/adapters/bazaar_adapter.rb
index 30d8aa721..2c5996b34 100644
--- a/lib/redmine/scm/adapters/bazaar_adapter.rb
+++ b/lib/redmine/scm/adapters/bazaar_adapter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/scm/adapters/command_failed.rb b/lib/redmine/scm/adapters/command_failed.rb
index 0d9571f8c..c230c1e62 100644
--- a/lib/redmine/scm/adapters/command_failed.rb
+++ b/lib/redmine/scm/adapters/command_failed.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/scm/adapters/cvs_adapter.rb b/lib/redmine/scm/adapters/cvs_adapter.rb
index d89e71eb4..730ee5caa 100644
--- a/lib/redmine/scm/adapters/cvs_adapter.rb
+++ b/lib/redmine/scm/adapters/cvs_adapter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # redMine - project management software
 # Copyright (C) 2006-2007  Jean-Philippe Lang
 #
diff --git a/lib/redmine/scm/adapters/filesystem_adapter.rb b/lib/redmine/scm/adapters/filesystem_adapter.rb
index a40465a54..0ff289df4 100644
--- a/lib/redmine/scm/adapters/filesystem_adapter.rb
+++ b/lib/redmine/scm/adapters/filesystem_adapter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/scm/adapters/git_adapter.rb b/lib/redmine/scm/adapters/git_adapter.rb
index 93d48a64d..3a9103360 100644
--- a/lib/redmine/scm/adapters/git_adapter.rb
+++ b/lib/redmine/scm/adapters/git_adapter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/scm/adapters/mercurial_adapter.rb b/lib/redmine/scm/adapters/mercurial_adapter.rb
index a3b672d26..32637b2f1 100644
--- a/lib/redmine/scm/adapters/mercurial_adapter.rb
+++ b/lib/redmine/scm/adapters/mercurial_adapter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/scm/adapters/subversion_adapter.rb b/lib/redmine/scm/adapters/subversion_adapter.rb
index 11c8c9c60..79276feb6 100644
--- a/lib/redmine/scm/adapters/subversion_adapter.rb
+++ b/lib/redmine/scm/adapters/subversion_adapter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/scm/base.rb b/lib/redmine/scm/base.rb
index b33a9cfd1..2380b3a72 100644
--- a/lib/redmine/scm/base.rb
+++ b/lib/redmine/scm/base.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 module Redmine
   module Scm
     class Base
diff --git a/lib/redmine/search.rb b/lib/redmine/search.rb
index e88736f55..bfca60412 100644
--- a/lib/redmine/search.rb
+++ b/lib/redmine/search.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/sort_criteria.rb b/lib/redmine/sort_criteria.rb
index c89ef03c1..ba8c67de9 100644
--- a/lib/redmine/sort_criteria.rb
+++ b/lib/redmine/sort_criteria.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/subclass_factory.rb b/lib/redmine/subclass_factory.rb
index 3d4ab88ce..914f793bf 100644
--- a/lib/redmine/subclass_factory.rb
+++ b/lib/redmine/subclass_factory.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/sudo_mode.rb b/lib/redmine/sudo_mode.rb
index fa491b759..417f59ee3 100644
--- a/lib/redmine/sudo_mode.rb
+++ b/lib/redmine/sudo_mode.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 require 'active_support/core_ext/object/to_query'
 require 'rack/utils'
 
diff --git a/lib/redmine/syntax_highlighting.rb b/lib/redmine/syntax_highlighting.rb
index 53ae4b5ff..fe888730f 100644
--- a/lib/redmine/syntax_highlighting.rb
+++ b/lib/redmine/syntax_highlighting.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/themes.rb b/lib/redmine/themes.rb
index 645ffa476..f876b1077 100644
--- a/lib/redmine/themes.rb
+++ b/lib/redmine/themes.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/thumbnail.rb b/lib/redmine/thumbnail.rb
index ab3c4f1bf..4d284c6b7 100644
--- a/lib/redmine/thumbnail.rb
+++ b/lib/redmine/thumbnail.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/unified_diff.rb b/lib/redmine/unified_diff.rb
index ae68d5dfc..d4c93db0e 100644
--- a/lib/redmine/unified_diff.rb
+++ b/lib/redmine/unified_diff.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/utils.rb b/lib/redmine/utils.rb
index d255dfa91..ce1eb8527 100644
--- a/lib/redmine/utils.rb
+++ b/lib/redmine/utils.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/version.rb b/lib/redmine/version.rb
index 740c90585..d0608005f 100644
--- a/lib/redmine/version.rb
+++ b/lib/redmine/version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 require 'rexml/document'
 
 module Redmine
diff --git a/lib/redmine/views/api_template_handler.rb b/lib/redmine/views/api_template_handler.rb
index 357badb0d..41d6b2fd8 100644
--- a/lib/redmine/views/api_template_handler.rb
+++ b/lib/redmine/views/api_template_handler.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/views/builders.rb b/lib/redmine/views/builders.rb
index fd98e6d5b..546eb2ac6 100644
--- a/lib/redmine/views/builders.rb
+++ b/lib/redmine/views/builders.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/views/builders/json.rb b/lib/redmine/views/builders/json.rb
index 299fd9255..48c4b8707 100644
--- a/lib/redmine/views/builders/json.rb
+++ b/lib/redmine/views/builders/json.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/views/builders/structure.rb b/lib/redmine/views/builders/structure.rb
index a473d4d58..386a4cfcc 100644
--- a/lib/redmine/views/builders/structure.rb
+++ b/lib/redmine/views/builders/structure.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/views/builders/xml.rb b/lib/redmine/views/builders/xml.rb
index 162de7a5e..934c74a20 100644
--- a/lib/redmine/views/builders/xml.rb
+++ b/lib/redmine/views/builders/xml.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/views/labelled_form_builder.rb b/lib/redmine/views/labelled_form_builder.rb
index d7aff9a6b..9c5337c89 100644
--- a/lib/redmine/views/labelled_form_builder.rb
+++ b/lib/redmine/views/labelled_form_builder.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/views/other_formats_builder.rb b/lib/redmine/views/other_formats_builder.rb
index c022055db..ea4bf7462 100644
--- a/lib/redmine/views/other_formats_builder.rb
+++ b/lib/redmine/views/other_formats_builder.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/wiki_formatting.rb b/lib/redmine/wiki_formatting.rb
index d4dd05a93..22309b228 100644
--- a/lib/redmine/wiki_formatting.rb
+++ b/lib/redmine/wiki_formatting.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/wiki_formatting/html_parser.rb b/lib/redmine/wiki_formatting/html_parser.rb
index da8ce81b1..d1c90b502 100644
--- a/lib/redmine/wiki_formatting/html_parser.rb
+++ b/lib/redmine/wiki_formatting/html_parser.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/wiki_formatting/macros.rb b/lib/redmine/wiki_formatting/macros.rb
index 9ef4ffd06..c1e3ee4e5 100644
--- a/lib/redmine/wiki_formatting/macros.rb
+++ b/lib/redmine/wiki_formatting/macros.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/wiki_formatting/markdown/formatter.rb b/lib/redmine/wiki_formatting/markdown/formatter.rb
index 4bfd00c79..f605e94b7 100644
--- a/lib/redmine/wiki_formatting/markdown/formatter.rb
+++ b/lib/redmine/wiki_formatting/markdown/formatter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/wiki_formatting/markdown/helper.rb b/lib/redmine/wiki_formatting/markdown/helper.rb
index fb9f1a939..0a5998cf4 100644
--- a/lib/redmine/wiki_formatting/markdown/helper.rb
+++ b/lib/redmine/wiki_formatting/markdown/helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/wiki_formatting/markdown/html_parser.rb b/lib/redmine/wiki_formatting/markdown/html_parser.rb
index f34034093..7cf0a1d37 100644
--- a/lib/redmine/wiki_formatting/markdown/html_parser.rb
+++ b/lib/redmine/wiki_formatting/markdown/html_parser.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/wiki_formatting/textile/formatter.rb b/lib/redmine/wiki_formatting/textile/formatter.rb
index 89e6105a8..313595c58 100644
--- a/lib/redmine/wiki_formatting/textile/formatter.rb
+++ b/lib/redmine/wiki_formatting/textile/formatter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/wiki_formatting/textile/helper.rb b/lib/redmine/wiki_formatting/textile/helper.rb
index e536a29dc..b29ade8be 100644
--- a/lib/redmine/wiki_formatting/textile/helper.rb
+++ b/lib/redmine/wiki_formatting/textile/helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/wiki_formatting/textile/html_parser.rb b/lib/redmine/wiki_formatting/textile/html_parser.rb
index 3d3cd591e..467281d87 100644
--- a/lib/redmine/wiki_formatting/textile/html_parser.rb
+++ b/lib/redmine/wiki_formatting/textile/html_parser.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 # Redmine - project management software
 # Copyright (C) 2006-2017  Jean-Philippe Lang
 #
diff --git a/lib/redmine/wiki_formatting/textile/redcloth3.rb b/lib/redmine/wiki_formatting/textile/redcloth3.rb
index 8d83c79d9..1cd5e0580 100644
--- a/lib/redmine/wiki_formatting/textile/redcloth3.rb
+++ b/lib/redmine/wiki_formatting/textile/redcloth3.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 #                                vim:ts=4:sw=4:
 # = RedCloth - Textile and Markdown Hybrid for Ruby
 #