require 'fileutils' require 'open3' module Gitlab module Popen extend self def popen(cmd, path=nil) unless cmd.is_a?(Array) raise "System commands must be given as an array of strings" end path ||= Dir.pwd vars = { "PWD" => path } options = { chdir: path } unless File.directory?(path) FileUtils.mkdir_p(path) end @cmd_output = "" @cmd_status = 0 Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr| # We are not using stdin so we should close it, in case the command we # are running waits for input. stdin.close @cmd_output << stdout.read @cmd_output << stderr.read @cmd_status = wait_thr.value.exitstatus end [@cmd_output, @cmd_status] end end end