script/isolate_for_tests

   1 #!/usr/bin/env ruby
   2 # scripts/Makefiles can read and eval the output of this script and
   3 # use it as RUBYLIB
   4 require 'rubygems'
   5 require 'isolate'
   6 fp = File.open(__FILE__, "rb")
   7 fp.flock(File::LOCK_EX)
   8
   9 ruby_engine = defined?(RUBY_ENGINE) ? RUBY_ENGINE : 'ruby'
  10 opts = {
  11   :system => false,
  12   # we want "ruby-1.8.7" and not "ruby-1.8", so disable :multiruby
  13   :multiruby => false,
  14   :path => "tmp/isolate/#{ruby_engine}-#{RUBY_VERSION}",
  15 }
  16
  17 pid = fork do
  18   Isolate.now!(opts) do
  19     gem 'raindrops', '0.10.0'
  20     gem 'kgio-monkey', '0.4.0'
  21     gem 'kgio', '2.8.0'
  22     gem 'rack', '1.5.0'
  23   end
  24 end
  25 _, status = Process.waitpid2(pid)
  26 status.success? or abort status.inspect
  27 lib_paths = Dir["#{opts[:path]}/gems/*-*/lib"].map { |x| File.expand_path(x) }
  28 dst = "tmp/isolate/#{ruby_engine}-#{RUBY_VERSION}.mk"
  29 File.open("#{dst}.#$$", "w") do |fp|
  30   fp.puts "ISOLATE_LIBS=#{lib_paths.join(':')}"
  31 end
  32 File.rename("#{dst}.#$$", dst)