# watch(1) completion                                      -*- shell-script -*-

[[ $OSTYPE == *linux* ]] || return 1

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

    local offset=0 i
    for ((i = 1; i <= cword; i++)); do
        case ${words[i]} in
            --help | --version | -!(-*)h)
                return
                ;;
            --interval | -!(-*)n)
                ((i++))
                continue
                ;;
            -*)
                continue
                ;;
        esac
        offset=$i
        break
    done

    if ((offset > 0)); then
        _command_offset $offset
        return
    fi

    case $prev in
        --differences | -!(-*)d)
            [[ $cur != -* ]] &&
                COMPREPLY=($(compgen -W 'cumulative' -- "$cur"))
            return
            ;;
        --interval | -!(-*)n)
            return
            ;;
    esac

    $split && return

    if [[ $cur == -* ]]; then
        COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
        [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
        return
    fi
} &&
    complete -F _watch watch

# ex: filetype=sh