# usermod(8) completion                                    -*- shell-script -*-

_usermod()
{
    local cur prev words cword split
    _init_completion -s || return

    # TODO: if -o/--non-unique is given, could complete on existing uids
    #       with -u/--uid

    case $prev in
        --comment|--home|--expiredate|--inactive|--help|--login|--password|\
        --uid|--selinux-user|-!(-*)[cdefhlpuZ])
            return
            ;;
        --gid|-!(-*)g)
            _gids
            COMPREPLY=( $(compgen -W '${COMPREPLY[@]} $(compgen -g)' \
                -- "$cur") )
            return
            ;;
        --groups|-!(-*)G)
            local prefix=; [[ $cur == *,* ]] && prefix="${cur%,*},"
            COMPREPLY=( $(compgen -g -- "${cur##*,}") )
            [[ ${#COMPREPLY[@]} -eq 1 ]] && COMPREPLY=( ${COMPREPLY/#/$prefix} )
            return
            ;;
        --root|-!(-*)R)
            _filedir -d
            return
            ;;
        --shell|-!(-*)s)
            _shells
            return
            ;;
    esac

    $split && return

    if [[ "$cur" == -* ]]; then
        # TODO: -U/--unlock, -p/--password, -L/--lock mutually exclusive
        COMPREPLY=( $(compgen -W '$(_parse_help "$1")' -- "$cur") )
        return
    fi

    COMPREPLY=( $(compgen -u -- "$cur") )
} &&
complete -F _usermod usermod

# ex: filetype=sh