Ruby

return gem_original_require(path)

# Providing -I on the commandline should always beat gems

def test_dash_i_beats_gems

a1 = new_spec "a", "1", {"b" => "= 1"}, "lib/test_gem_require_a.rb"

b1 = new_spec "b", "1", {"c" => "> 0"}, "lib/b/c.rb"

c1 = new_spec "c", "1", nil, "lib/c/c.rb"

c2 = new_spec "c", "2", nil, "lib/c/c.rb"

install_specs c1, c2, b1, a1

dir = Dir.mktmpdir

dash_i_arg = File.join Dir.mktmpdir, 'lib'

c_rb = File.join dash_i_arg, 'b', 'c.rb'

FileUtils.mkdir_p File.dirname c_rb

File.open(c_rb, 'w') { |f| f.write "class Object; HELLO = 'world' end" }

lp = $LOAD_PATH.dup

# Pretend to provide a commandline argument that overrides a file in gem b

$LOAD_PATH.unshift dash_i_arg

assert_require 'test_gem_require_a'

assert_require 'b/c' # this should be required from -I

assert_equal "world", ::Object::HELLO

ensure

$LOAD_PATH.replace lp

Object.send :remove_const, :HELLO if Object.const_defined? :HELLO

end