Fix Pathname.each_filename on Ruby 1.8.7

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/chef/monkey_patches/pathname.rb b/lib/chef/monkey_patches/pathname.rb
new file mode 100644
index 0000000000..c0255ae7ea
--- /dev/null
+++ b/lib/chef/monkey_patches/pathname.rb
@@ -0,0 +1,32 @@
+require 'pathname'
+
+if RUBY_VERSION.to_f < 1.9
+  class Pathname
+    @@old_each_filename = instance_method(:each_filename)
+
+    def each_filename(&block)
+      if block_given?
+        EachFilenameEnumerable.new(self).each(&block)
+      else
+        EachFilenameEnumerable.new(self)
+      end
+    end
+
+    def old_each_filename(&block)
+      @@old_each_filename.bind(self).call(&block)
+    end
+
+    class EachFilenameEnumerable
+      include Enumerable
+      attr_reader :pathname
+
+      def initialize(pathname)
+        @pathname = pathname
+      end
+
+      def each(&block)
+        @pathname.old_each_filename(&block)
+      end
+    end
+  end
+end