Rugged's Tree objects are unsatisfactory. This eases the pain a bit.

gistfile1.rb

require 'rugged'

class TreeProxy < BasicObject
	def initialize(repo, tree)
		@repo = repo
		@tree = tree
	end

	def _wrap_yield_(*args)
		if args.length >= 1 and args[0].class == ::Hash and args[0].has_key? :oid
			obj = @repo.lookup(args[0][:oid])
			args[0] = ::TreeProxy.new(@repo, obj)
		end
		@block.call(*args)
	end

	def method_missing(*args, &block)
		@block = block
		if block
			block = ::Kernel::lambda {|*proc_args| _wrap_yield_(*proc_args)}
		end

		ret = @tree.send(*args, &block)
		if ret and ret.class == 'Hash' and ret.has_key? :oid
			obj = @repo.lookup(ret[:oid])
			ret = ::TreeProxy.new(@repo, obj)
		end
		ret
	end
end

def objects
	repo   = Rugged::Repository.new('.')
	ref    = Rugged::Reference.lookup(repo, "refs/heads/t")
	walker = Rugged::Walker.new(repo)
	[repo, ref, walker]
end

repo, ref, walker = objects

a = TreeProxy.new(repo, repo.lookup(ref.target).tree)
a.each {|t| p t}

Yay Ruby!!