class CommandWrapper

# File lib/inspec/utils/command_wrapper.rb, line 6
def self.wrap(cmd, options)
  unless options.is_a?(Hash)
    raise "All options for the command wrapper must be provided as a hash. "\
      "You entered: #{options.inspect}. Please consult the documentation."
  end

  wrap = options[:wrap]
  raise "Called command wrapper with wrap: #{wrap.inspect}. It must be called with a Proc." if !wrap.nil? && !wrap.is_a?(Proc)
  return wrap.call(cmd) unless wrap.nil?

  shell = options[:shell]
  raise "Don't know how to wrap commands for shell: #{shell.inspect}." unless UNIX_SHELLS.include?(shell)

  path = options[:path] || shell
  args = options[:args] || "-c"
  path.to_s + " " + args + " " + Shellwords.escape(cmd)
end