Class: Packer::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/packer/runner.rb

Defined Under Namespace

Classes: CommandExecutionError

Class Method Summary collapse

Class Method Details

.exec!(*args) ⇒ Object 



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# File 'lib/packer/runner.rb', line 33

def self.exec!(*args)
  cmd = Shellwords.shelljoin(args.flatten)
  logger.debug "Exec'ing: #{cmd}, in: #{Dir.pwd}"
  Kernel.exec cmd
end

.pty(cmd, &block) ⇒ Object 



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# File 'lib/packer/runner.rb', line 39

def self.pty(cmd, &block)
  PTY.spawn(cmd, &block)
  $?.exitstatus
end

.run!(*args, quiet: false) ⇒ Object

Raises:



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# File 'lib/packer/runner.rb', line 10

def self.run!(*args, quiet: false)
  cmd = Shellwords.shelljoin(args.flatten)
  status = 0
  stdout = ''
  stderr = ''
  if quiet
    # Run without streaming std* to any screen
    stdout, stderr, status = Open3.capture3(cmd)
  else
    # Run but stream as well as capture stdout to the screen
    status = pty(cmd) do |r,w,pid|
      while !r.eof?
        c = r.getc
        stdout << c
        $stdout.write "#{c}"
      end
      Process.wait(pid)
    end
  end
  raise CommandExecutionError.new(stderr) unless status == 0
  stdout
end