# 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 -gt 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