_swaplabel_module() { local cur prev OPTS COMPREPLY=() cur="${COMP_WORDS[COMP_CWORD]}" prev="${COMP_WORDS[COMP_CWORD-1]}" case $prev in '-L'|'--label') COMPREPLY=( $(compgen -W "label" -- $cur) ) return 0 ;; '-U'|'--uuid') COMPREPLY=( $(compgen -W '$(uuidgen)' -- $cur) ) return 0 ;; '-h'|'--help'|'-V'|'--version') return 0 ;; esac case $cur in -*) OPTS="--label --uuid --help --version" COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) ) return 0 ;; esac local IFS=$'\n' compopt -o filenames COMPREPLY=( $(compgen -f -- $cur) ) return 0 } complete -F _swaplabel_module swaplabel