Fixes for failing specs for older ruby version

3 files changed, 6 insertions, 5 deletions

diff --git a/lib/bundler/plugin.rb b/lib/bundler/plugin.rb
index 00b4d9e9..f97de2b2 100644
--- a/lib/bundler/plugin.rb
+++ b/lib/bundler/plugin.rb
@@ -8,8 +8,8 @@ module Bundler
     autoload :Installer,  "bundler/plugin/installer"
     autoload :SourceList, "bundler/plugin/source_list"
 
-    MalformattedPlugin = Class.new(PluginError)
-    UndefinedCommandError = Class.new(PluginError)
+    class MalformattedPlugin < PluginError; end
+    class UndefinedCommandError < PluginError; end
 
     PLUGIN_FILE_NAME = "plugins.rb".freeze
 
diff --git a/lib/bundler/plugin/dsl.rb b/lib/bundler/plugin/dsl.rb
index 4a3663fd..f65054f0 100644
--- a/lib/bundler/plugin/dsl.rb
+++ b/lib/bundler/plugin/dsl.rb
@@ -4,6 +4,7 @@ module Bundler
   # Dsl to parse the Gemfile looking for plugins to install
   module Plugin
     class DSL < Bundler::Dsl
+      class PluginGemfileError < PluginError; end
       alias_method :_gem, :gem # To use for plugin installation as gem
 
       # So that we don't have to override all there methods to dummy ones
@@ -21,7 +22,7 @@ module Bundler
       end
 
       def method_missing(name, *args)
-        super unless Bundler::Dsl.instance_methods.include? name
+        raise PluginGemfileError, "Undefined local variable or method `#{name}' for Gemfile" unless Bundler::Dsl.method_defined? name
       end
     end
   end
diff --git a/lib/bundler/source/rubygems.rb b/lib/bundler/source/rubygems.rb
index a7721de8..d9606e70 100644
--- a/lib/bundler/source/rubygems.rb
+++ b/lib/bundler/source/rubygems.rb
@@ -149,7 +149,7 @@ module Bundler
           if requires_sudo?
             Bundler.rubygems.repository_subdirectories.each do |name|
               src = File.join(install_path, name, "*")
-              dst = File.join(Bundler.rubygems.gem_dir, name)
+              dst = File.join(rubygems_dir, name)
               if name == "extensions" && Dir.glob(src).any?
                 src = File.join(src, "*/*")
                 ext_src = Dir.glob(src).first
@@ -249,7 +249,7 @@ module Bundler
       end
 
       def loaded_from(spec)
-        "#{Bundler.rubygems.gem_dir}/specifications/#{spec.full_name}.gemspec"
+        "#{rubygems_dir}/specifications/#{spec.full_name}.gemspec"
       end
 
       def cached_gem(spec)