Module: Asger::Util

Defined in:
lib/asger/util.rb

Class Method Summary collapse

Class Method Details

.run_command(subcommand_name, command, logger = nil, directory = nil) ⇒ Object 



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# File 'lib/asger/util.rb', line 6

def self.run_command(subcommand_name, command, logger = nil, directory = nil)
  directory = directory || Dir.getwd()
  logger.info "[#{subcommand_name}] => #{command}" unless !logger

  lines = []

  Dir.chdir(directory) do
    # TODO: this should probably raise on nonzero.
    thread = Open3::popen3(command) do |stdin, stdout, stderr, wait_thr|
      stdout.read.split("\n").each do |line|
        lines << line 
        logger.debug "[#{subcommand_name}] O: #{line}" unless !logger
      end
      stderr.read.split("\n").each do |line|
        logger.debug "[#{subcommand_name}] E: #{line}" unless !logger
      end

      wait_thr
    end

    [ thread.value.exitstatus, lines.join("\n") ]
  end
end