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# 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##*,}"))
            ((${#COMPREPLY[@]} == 1)) && COMPREPLY=(${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