Module: Sudo::System

Defined in:
lib/sudo/system.rb

Constant Summary collapse

ProcessStillExists = 
Class.new(RuntimeError)
FileStillExists = 
Class.new(RuntimeError)

Class Method Summary collapse

Class Method Details

.check ⇒ Object

just to check if we can sudo; and we’ll receive a sudo token

Raises:



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# File 'lib/sudo/system.rb', line 34

def check
  cmd_args, env = command_base
  cmd_args.concat(["-e", ""])
  raise Sudo::Wrapper::SudoFailed unless system(env, *cmd_args)
end

.command(ruby_opts, socket, env = {}) ⇒ Object 



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# File 'lib/sudo/system.rb', line 18

def command(ruby_opts, socket, env = {})
  cmd_args, env = command_base(env)
  cmd_args << "-I#{LIBDIR}"
  cmd_args.concat(ruby_opts.split) unless ruby_opts.empty?
  cmd_args.concat([SERVER_SCRIPT.to_s, socket, Process.uid.to_s])
  [cmd_args, env]
end

.kill(pid) ⇒ Object 



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# File 'lib/sudo/system.rb', line 10

def kill(pid)
  if pid and Process.exists? pid
    system("sudo", "kill", pid.to_s) or
      system("sudo", "kill", "-9", pid.to_s) or
      raise ProcessStillExists, "Couldn't kill sudo process (PID=#{pid})"
  end
end

.unlink(file) ⇒ Object 



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# File 'lib/sudo/system.rb', line 26

def unlink(file)
  if file and File.exist? file
    system("sudo", "rm", "-f", file) or
      raise(FileStillExists, "Couldn't delete #{file}")
  end
end