Class: Scripto::RunCommands::CommandLine

Inherits:
Object
  • Object
show all
Defined in:
lib/scripto/run_commands.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(command, args) ⇒ CommandLine

Returns a new instance of CommandLine.



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# File 'lib/scripto/run_commands.rb', line 57

def initialize(command, args)
  self.command = command
  self.args = begin
    if args
      args.map(&:to_s)
    else
      []
    end
  end
end

Instance Attribute Details

#args ⇒ Object

Returns the value of attribute args.



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# File 'lib/scripto/run_commands.rb', line 55

def args
  @args
end

#command ⇒ Object

Returns the value of attribute command.



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# File 'lib/scripto/run_commands.rb', line 55

def command
  @command
end

Instance Method Details

#capture ⇒ Object 



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# File 'lib/scripto/run_commands.rb', line 73

def capture
  begin
    captured = `#{self}`
  rescue Errno::ENOENT
    raise Error, "#{self} failed : ENOENT (No such file or directory)"
  end
  raise!($CHILD_STATUS) if $CHILD_STATUS != 0
  captured
end

#raise!(status) ⇒ Object

Raises:



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# File 'lib/scripto/run_commands.rb', line 83

def raise!(status)
  if status.termsig == Signal.list['INT']
    raise "#{self} interrupted"
  end

  raise Error, "#{self} failed : #{status.to_i / 256}"
end

#run ⇒ Object 



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# File 'lib/scripto/run_commands.rb', line 68

def run
  system(command, *args)
  raise!($CHILD_STATUS) if $CHILD_STATUS != 0
end

#to_s ⇒ Object 



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# File 'lib/scripto/run_commands.rb', line 91

def to_s
  if !args.empty?
    escaped = args.map { |i| Shellwords.escape(i) }
    "#{command} #{escaped.join(' ')}"
  else
    command
  end
end