Overwrite the new missing DevKit convenience message gem override upon DK install

0001-update-convenience-gem-override.patch

diff --git a/resources/devkit/dk.rb b/resources/devkit/dk.rb
index e04c1dd..b1bc04a 100644
--- a/resources/devkit/dk.rb
+++ b/resources/devkit/dk.rb
@@ -271,9 +271,15 @@ EOT
 
           if File.exist?(target)
             content = File.read(target)
-            unless content.include?('DevKit')
+            case
+            when content !~ /^#.*DevKit/o
+              # handle original and new token-based comments
               puts "[INFO] Updating existing gem override for '#{path}'"
               File.open(target, 'a') { |f| f.write(gem_override) }
+            when content =~ /^# #{DEVKIT_START} missing DevKit/o
+              # replace missing DevKit/build tool convenience notice
+              puts "[INFO] Updating convenience notice gem override for '#{path}'"
+              update_gem_override(target)
             else
               puts "[INFO] Skipping existing gem override for '#{path}'" unless $options[:force]
 
@@ -282,6 +288,7 @@ EOT
                 update_gem_override(target)
               end
             end
+
           else
             puts "[INFO] Installing '#{target}'"
             File.open(target, 'w') { |f| f.write(gem_override) }
diff --git a/resources/rubygems/operating_system.rb b/resources/rubygems/operating_system.rb
index cb2af70..4eae209 100755
--- a/resources/rubygems/operating_system.rb
+++ b/resources/rubygems/operating_system.rb
@@ -1,4 +1,4 @@
-# :DK-BEG:
+# :DK-BEG: missing DevKit/build tool convenience notice
 Gem.pre_install do |gem_installer|
   unless gem_installer.spec.extensions.empty?
     have_tools = %w{gcc make sh}.all? do |t|