# File lib/god/process.rb, line 26
    def file_writable?(file)
      pid = fork do
        uid_num = Etc.getpwnam(self.uid).uid if self.uid
        gid_num = Etc.getgrnam(self.gid).gid if self.gid

        ::Dir.chroot(self.chroot) if self.chroot
        ::Process.groups = [gid_num] if self.gid
        ::Process::Sys.setgid(gid_num) if self.gid
        ::Process::Sys.setuid(uid_num) if self.uid

        File.writable?(file_in_chroot(file)) ? exit(0) : exit(1)
      end
      
      wpid, status = ::Process.waitpid2(pid)
      status.exitstatus == 0 ? true : false
    end