module Minke module Helpers class Shell def initialize logger @logger = logger end ## # Executes a shell command and returns the return status def execute command, ignore_error=false @logger.debug command Open3.popen2e(command) do |stdin, stdout_err, wait_thr| while line = stdout_err.gets @logger.debug line end exit_status = wait_thr.value unless exit_status.success? || ignore_error == true raise "Error executing command: #{command}" end end end def execute_and_return command log = `#{command}` return log.strip end def mktmpdir Dir.mktmpdir end def remove_entry_secure dir FileUtils.remove_entry_secure dir end def write_file filename, data File.open(filename, 'w') { |file| file.write(data) } end def read_file filename File.open(filename, 'rb') { |file| file.read }.strip end def exist? filename File.exist? filename end end end end