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

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

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

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

    if [[ $offset -gt 0 ]] {
        _command_offset $offset
        return
    }

    match $prev {
        with -d|--differences
            [[ $cur != -* ]] && \
                setglobal COMPREPLY = ''( $( compgen -W 'cumulative' -- "$cur" ) )
            return
            
        with -n|--interval
            return
            
    }

    $split && return

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

# ex: ts=4 sw=4 et filetype=sh