[rubygems/rubygems] Move all changes only in RubyGems

https://github.com/rubygems/rubygems/commit/d842e2092f

lib/bundler/settings.rb

@@ -461,7 +461,7 @@ module Bundler
             new_k = k.gsub("-", "___")
           end
 
-          config[new_k] = v.to_s
+          config[new_k] = v
           config
         end
       end

lib/bundler/yaml_serializer.rb

@@ -13,11 +13,7 @@ module Bundler
     def dump_hash(hash)
       yaml = String.new("\n")
       hash.each do |k, v|
-        if k.is_a?(Symbol)
-          yaml << ":#{k}:"
-        else
-          yaml << k << ":"
-        end
+        yaml << k << ":"
         if v.is_a?(Hash)
           yaml << dump_hash(v).gsub(/^(?!$)/, "  ") # indent all non-empty lines
         elsif v.is_a?(Array) # Expected to be array of strings
@@ -50,7 +46,7 @@ module Bundler
       $
     /xo.freeze
 
-    def load(str, is_rubygems: false)
+    def load(str)
       res = {}
       stack = [res]
       last_hash = nil
@@ -58,8 +54,7 @@ module Bundler
       str.split(/\r?\n/).each do |line|
         if match = HASH_REGEX.match(line)
           indent, key, quote, val = match.captures
-          key = convert_to_backward_compatible_key(key) unless is_rubygems
-          key = key[1..-1].to_sym if key.start_with?(":")
+          key = convert_to_backward_compatible_key(key)
           depth = indent.scan(/  /).length
           if quote.empty? && val.empty?
             new_hash = {}
@@ -68,30 +63,18 @@ module Bundler
             last_empty_key = key
             last_hash = stack[depth]
           else
-            stack[depth][key] = convert_to_ruby_value(val)
+            stack[depth][key] = val
           end
         elsif match = ARRAY_REGEX.match(line)
           _, val = match.captures
           last_hash[last_empty_key] = [] unless last_hash[last_empty_key].is_a?(Array)
 
-          last_hash[last_empty_key].push(convert_to_ruby_value(val))
+          last_hash[last_empty_key].push(val)
         end
       end
       res
     end
 
-    def convert_to_ruby_value(val)
-      if val.match?(/\A:(.*)\Z/)
-        val[1..-1].to_sym
-      elsif val.match?(/\A[+-]?\d+\Z/)
-        val.to_i
-      elsif val.match?(/\Atrue|false\Z/)
-        val == "true"
-      else
-        val
-      end
-    end
-
     # for settings' keys
     def convert_to_backward_compatible_key(key)
       key = "#{key}/" if key =~ /https?:/i && key !~ %r{/\Z}

lib/rubygems/config_file.rb

@@ -320,6 +320,10 @@ if you believe they were disclosed to a third party.
 
     config = load_file(credentials_path).merge(host => api_key)
 
+    config.transform_keys! do |k|
+      k.is_a?(Symbol) ? ":#{k}" : k
+    end
+
     dirname = File.dirname credentials_path
     require "fileutils"
     FileUtils.mkdir_p(dirname)
@@ -351,10 +355,36 @@ if you believe they were disclosed to a third party.
     return {} unless filename && !filename.empty? && File.exist?(filename)
 
     begin
-      content = Bundler::YAMLSerializer.load(File.read(filename), is_rubygems: true)
+      content = Bundler::YAMLSerializer.load(File.read(filename))
       if content.is_a? Hash
+        content.transform_keys! do |k|
+          if k.match?(/\A:(.*)\Z/)
+            k[1..-1].to_sym
+          elsif k.match?(/__/)
+            if k.is_a?(Symbol)
+              k.to_s.gsub(/__/,".").to_sym
+            else
+              k.dup.gsub(/__/,".")
+            end
+          else
+            k
+          end
+        end
+
         content.transform_values! do |v|
-          if (v.is_a?(Hash) || v.is_a?(String)) && v.empty?
+          if v.is_a?(String)
+            if v.match?(/\A:(.*)\Z/)
+              v[1..-1].to_sym
+            elsif v.match?(/\A[+-]?\d+\Z/)
+              v.to_i
+            elsif v.match?(/\Atrue|false\Z/)
+              v == "true"
+            elsif v.empty?
+              nil
+            else
+              v
+            end
+          elsif v.is_a?(Hash) && v.empty?
             nil
           else
             v
@@ -494,6 +524,10 @@ if you believe they were disclosed to a third party.
       yaml_hash[key.to_s] = value
     end
 
+    yaml_hash.transform_keys! do |k|
+      k.is_a?(Symbol) ? ":#{k}" : k
+    end
+
     require "bundler/yaml_serializer"
     Bundler::YAMLSerializer.dump(yaml_hash)
   end

test/rubygems/helper.rb

@@ -680,7 +680,7 @@ class Gem::TestCase < Test::Unit::TestCase
 
   def load_yaml_file(file)
     require "bundler/yaml_serializer"
-    Bundler::YAMLSerializer.load(File.read(file), is_rubygems: true)
+    Bundler::YAMLSerializer.load(File.read(file))
   end
 
   def all_spec_names