class Bundler::CLI

def help(cli = nil)
  case cli
  when "gemfile" then command = "gemfile.5"
  when nil       then command = "bundle"
  else command = "bundle-#{cli}"
  end
  manpages = %w(
      bundle
      bundle-config
      bundle-exec
      bundle-install
      bundle-package
      bundle-update
      bundle-platform
      gemfile.5)
  if manpages.include?(command)
    root = File.expand_path("../man", __FILE__)
    if Bundler.which("man") && root !~ %r{^file:/.+!/META-INF/jruby.home/.+}
      Kernel.exec "man #{root}/#{command}"
    else
      puts File.read("#{root}/#{command}.txt")
    end
  else
    super
  end
end