_pivot_root_module()
{
local cur prev
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWORD-1]}"
case $prev in
'-h'|'--help'|'-V'|'--version')
return 0
;;
esac
case $COMP_CWORD in
1|2)
local IFS=$'\n'
compopt -o filenames
COMPREPLY=( $(compgen -o dirnames -- ${cur:-"/"}) )
;;
esac
return 0
}
complete -F _pivot_root_module pivot_root