module Mixlib::ShellOut::Unix

def logon_environment
  return {} unless using_login?
  entry = Etc.getpwuid(uid)
  # According to `man su`, the set fields are:
  #  $HOME, $SHELL, $USER, $LOGNAME, $PATH, and $IFS
  # Values are copied from "shadow" package in Ubuntu 14.10
  { "HOME" => entry.dir, "SHELL" => entry.shell, "USER" => entry.name, "LOGNAME" => entry.name, "PATH" => "/sbin:/bin:/usr/sbin:/usr/bin", "IFS" => "\t\n" }
end