Move Debian regexp to ::Packages::Debian

Changelog: changed

app/models/packages/debian.rb

@@ -2,6 +2,10 @@
 
 module Packages
   module Debian
+    DISTRIBUTION_REGEX = %r{[a-z0-9][a-z0-9.-]*}i.freeze
+    COMPONENT_REGEX = DISTRIBUTION_REGEX.freeze
+    ARCHITECTURE_REGEX = %r{[a-z0-9][-a-z0-9]*}.freeze
+
     def self.table_name_prefix
       'packages_debian_'
     end

lib/api/concerns/packages/debian_package_endpoints.rb

@@ -6,20 +6,17 @@ module API
       module DebianPackageEndpoints
         extend ActiveSupport::Concern
 
-        DISTRIBUTION_REGEX = %r{[a-z0-9][a-z0-9.-]*}i.freeze
-        COMPONENT_REGEX = %r{[a-z0-9][a-z0-9.-]*}i.freeze
-        ARCHITECTURE_REGEX = %r{[a-z0-9][-a-z0-9]*}.freeze
         LETTER_REGEX = %r{(lib)?[a-z0-9]}.freeze
         PACKAGE_REGEX = API::NO_SLASH_URL_PART_REGEX
         DISTRIBUTION_REQUIREMENTS = {
-          distribution: DISTRIBUTION_REGEX
+          distribution: ::Packages::Debian::DISTRIBUTION_REGEX
         }.freeze
         COMPONENT_ARCHITECTURE_REQUIREMENTS = {
-          component: COMPONENT_REGEX,
-          architecture: ARCHITECTURE_REGEX
+          component: ::Packages::Debian::COMPONENT_REGEX,
+          architecture: ::Packages::Debian::ARCHITECTURE_REGEX
         }.freeze
         COMPONENT_LETTER_SOURCE_PACKAGE_REQUIREMENTS = {
-          component: COMPONENT_REGEX,
+          component: ::Packages::Debian::COMPONENT_REGEX,
           letter: LETTER_REGEX,
           source_package: PACKAGE_REGEX
         }.freeze

lib/gitlab/regex.rb

@@ -118,15 +118,15 @@ module Gitlab
       def debian_architecture_regex
         # See official parser: https://git.dpkg.org/cgit/dpkg/dpkg.git/tree/lib/dpkg/arch.c?id=9e0c88ec09475f4d1addde9cdba1ad7849720356#n43
         # But we limit to lower case
-        @debian_architecture_regex ||= %r{\A[a-z0-9][-a-z0-9]*\z}.freeze
+        @debian_architecture_regex ||= %r{\A#{::Packages::Debian::ARCHITECTURE_REGEX}\z}.freeze
       end
 
       def debian_distribution_regex
-        @debian_distribution_regex ||= %r{\A[a-z0-9][a-z0-9\.-]*\z}i.freeze
+        @debian_distribution_regex ||= %r{\A#{::Packages::Debian::DISTRIBUTION_REGEX}\z}i.freeze
       end
 
       def debian_component_regex
-        @debian_component_regex ||= %r{#{debian_distribution_regex}}.freeze
+        @debian_component_regex ||= %r{\A#{::Packages::Debian::COMPONENT_REGEX}\z}.freeze
       end
 
       def helm_channel_regex