bundler_profiler.rb

require 'stackprof'
require 'tmpdir'
$LOAD_PATH.unshift('./lib')
require 'bundler'

StackProf.run(mode: :cpu, raw: true, out: 'out.dump') do
  bundler_gemspec = Gem::Specification.load(File.expand_path("./bundler.gemspec"))
  bundler_gemspec.instance_variable_set(:@full_gem_path, File.expand_path("."))
  bundler_gemspec.activate if bundler_gemspec.respond_to?(:activate)
  1.times do
    Dir.mktmpdir do |dir|
      require "bundler/friendly_errors"
      Bundler.with_friendly_errors do
        require "bundler/cli"
      
        File.delete('TestGemfile.lock') if File.exists?('TestGemfile.lock')
        ENV['BUNDLE_PATH'] = dir
        args = ["install", "--gemfile=TestGemfile"]
        Bundler::CLI.start(args, debug: true)
      end
    end
  end
end