Class: Doc::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/doc/command.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*command) ⇒ Command

Returns a new instance of Command.



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# File 'lib/doc/command.rb', line 10

def initialize(*command)
  @command = command
end

Instance Attribute Details

#command ⇒ Object (readonly)

Returns the value of attribute command.



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# File 'lib/doc/command.rb', line 9

def command
  @command
end

#status ⇒ Object (readonly)

Returns the value of attribute status.



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# File 'lib/doc/command.rb', line 9

def status
  @status
end

Class Method Details

.run(*command) ⇒ Object 



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# File 'lib/doc/command.rb', line 5

def self.run(*command)
  new(*command).run
end

Instance Method Details

#add(*arguments) ⇒ Object 



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# File 'lib/doc/command.rb', line 14

def add(*arguments)
  @command.concat(arguments)
end

#run ⇒ Object 



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# File 'lib/doc/command.rb', line 18

def run
  command_string = command.length == 1 ? command.first : command.map(&:to_s).shelljoin
  output = IO.popen("#{command_string} 2>&1", &:read)
  @status = $?
  status.success? || begin
    $stderr.puts "cd #{Dir.pwd.shellescape}; #{command_string}\n#{output}"
    case
    when status.signaled?
      if status.termsig == 2
        raise Interrupt.new
      else
        raise SignalException.new(status.termsig)
      end
    when status.exited?
      raise SystemExit.new(status.exitstatus)
    else
      raise status.inspect
    end
  end
end