First commit. Initial implementation.

.gitignore

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+*.gem
+.bundle
+Gemfile.lock
+pkg/*

.rvmrc

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+#!/usr/bin/env bash
+
+# This is an RVM Project .rvmrc file, used to automatically load the ruby
+# development environment upon cd'ing into the directory
+
+# First we specify our desired <ruby>[@<gemset>], the @gemset name is optional.
+environment_id="ruby-1.8.7-p330@require_relative"
+
+#
+# First we attempt to load the desired environment directly from the environment
+# file, this is very fast and efficicent compared to running through the entire
+# CLI and selector. If you want feedback on which environment was used then
+# insert the word 'use' after --create as this triggers verbose mode.
+#
+if [[ -d "${rvm_path:-$HOME/.rvm}/environments" \
+  && -s "${rvm_path:-$HOME/.rvm}/environments/$environment_id" ]] ; then
+  \. "${rvm_path:-$HOME/.rvm}/environments/$environment_id"
+else
+  # If the environment file has not yet been created, use the RVM CLI to select.
+  rvm --create  "$environment_id"
+fi
+
+#
+# If you use an RVM gemset file to install a list of gems (*.gems), you can have
+# it be automatically loaded, uncomment the following and adjust the filename if
+# necessary.
+#
+# filename=".gems"
+# if [[ -s "$filename" ]] ; then
+#   rvm gemset import "$filename" | grep -v already | grep -v listed | grep -v complete | sed '/^$/d'
+# fi
+
+#
+# If you use bundler and would like to run bundle each time you enter the
+# directory you can uncomment the following code.
+#
+#   # Ensure that Bundler is installed, install it if it is not.
+#   if ! command -v bundle ; then
+#      printf "The rubygem 'bundler' is not installed, installing it now.\n"
+#      gem install bundler
+#   fi
+#
+#   # Bundle while redcing excess noise.
+#   printf "Bundling your gems this may take a few minutes on a fresh clone.\n"
+#   bundle | grep -v 'Using' | grep -v 'complete' | sed '/^$/d'
+#
+

Gemfile

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+source "http://rubygems.org"
+
+# Specify your gem's dependencies in require_relative.gemspec
+gemspec

Rakefile

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+require 'bundler'
+Bundler::GemHelper.install_tasks
+
+task :default => :test
+
+require 'rake/testtask'
+Rake::TestTask.new do |t|
+  t.pattern = "test/*_test.rb" 
+end

lib/require_relative.rb

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+$:.delete(".")
+
+def require_relative file
+  $:.unshift(".")
+  ret = require file
+  $:.delete(".")
+  ret
+end

lib/require_relative/version.rb

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+module RequireRelative
+  VERSION = "0.0.1"
+end

require_relative.gemspec

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+# -*- encoding: utf-8 -*-
+$:.push File.expand_path("../lib", __FILE__)
+require "require_relative/version"
+
+Gem::Specification.new do |s|
+  s.name        = "require_relative"
+  s.version     = RequireRelative::VERSION
+  s.platform    = Gem::Platform::RUBY
+  s.authors     = ["Steve Klabnik"]
+  s.email       = ["steve@steveklabnik.com"]
+  s.homepage    = ""
+  s.summary     = %q{This backports require_relative to Ruby 1.8.}
+  s.description = %q{In Ruby 1.9.2, "." was removed from $:. This is a good idea, for security reasons. This gem backports this to Ruby 1.8.}
+
+  s.add_development_dependency "minitest"
+
+  s.files         = `git ls-files`.split("\n")
+  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
+  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
+  s.require_paths = ["lib"]
+end

test/require_relative_test.rb

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+require 'rubygems'
+require 'bundler'
+require 'minitest/autorun'
+
+require 'require_relative'
+
+class RequireRelativeTest < MiniTest::Unit::TestCase
+
+  def test_current_dir_not_in_load_path
+    assert_nil $:.detect{|i| i == "."}
+  end
+
+  def test_require_relative
+    assert require_relative('test/foo')
+  end
+
+end
+