Remove redundant extension version checking, we're using Bundler now

middleman-core/lib/middleman-core/extensions.rb

@@ -17,34 +17,17 @@ module Middleman
       #
       # @param [Symbol] name The name of the extension
       # @param [Module] namespace The extension module
-      # @param [String] version A RubyGems-style version string stating
-      #                         the versions of middleman this extension
-      #                         is compatible with.
       # @yield Instead of passing a module in namespace, you can provide
       #        a block which returns your extension module. This gives
       #        you the ability to require other files only when the
       #        extension is activated.
-      def register(name, namespace=nil, version=nil, &block)
+      def register(name, namespace=nil, &block)
         # If we've already got a matching extension that passed the
         # version check, bail out.
         return if registered.has_key?(name.to_sym) &&
         !registered[name.to_sym].is_a?(String)
 
-        if block_given?
-          version = namespace
-        end
-
-        passed_version_check = true
-        if !version.nil?
-          requirement = ::Gem::Requirement.create(version)
-          if !requirement.satisfied_by?(Middleman::GEM_VERSION)
-            passed_version_check = false
-          end
-        end
-
-        registered[name.to_sym] = if !passed_version_check
-          "== #{name} failed version check. Requested #{version}, got #{Middleman::VERSION}"
-        elsif block_given?
+        registered[name.to_sym] = if block_given?
           block
         elsif namespace
           namespace

middleman-core/lib/middleman-core/templates/extension/lib/lib.rb

@@ -41,7 +41,7 @@ end
 
 # Register extensions which can be activated
 # Make sure we have the version of Middleman we expect
-# ::Middleman::Extensions.register(:extension_name, ">= 3.0.0.beta.2") do
+# ::Middleman::Extensions.register(:extension_name) do
 #   
 #   # Return the extension module
 #   ::MyExtension

middleman-core/lib/middleman-core/version.rb

@@ -1,13 +1,5 @@
-# Using for version parsing
-require "rubygems"
-
 module Middleman
   # Current Version
   # @return [String]
   VERSION = '3.0.0.beta.3' unless const_defined?(:VERSION)
-  
-  # Parsed version for RubyGems
-  # @private
-  # @return [String]
-  GEM_VERSION = ::Gem::Version.create(VERSION) unless const_defined?(:GEM_VERSION)
 end