util-linux/bash-completion/chsh

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_chsh_module()
{
local cur prev OPTS
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWORD-1]}"
case $prev in
'-s'|'--shell')
COMPREPLY=( $(compgen -W "$($1 -l)" -- $cur) )
return 0
;;
'-u'|'--help'|'-v'|'--version')
return 0
;;
esac
case $cur in
-*)
OPTS="--shell --list-shells --version --help"
COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
return 0
;;
esac
COMPREPLY=( $(compgen -u -- $cur) )
return 0
}
complete -F _chsh_module chsh