[Bash-completion-devel] wget(1) completion

[Raphaël Droz]

On Sat, Jul 21, 2012 at 01:08:54PM +0200, Raphaël Droz wrote:
> ping ? (this one being rerolled for years)

forgot to re-attach the file:
wget(1) completion
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# wget(1) completion			-*- shell-script -*-

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

    case $prev in
	--progress)
	    COMPREPLY=( $( compgen -W 'bar dot' -- $cur ) )
	    return 0
	    ;;
        --bind-address)
            _ip_addresses "$cur"
            return 0
            ;;
	-D|--domains|--exclude-domains)
	    _known_hosts_real "$cur"
	    return 0
	    ;;
	--restrict-file-names)
	    local excludes=()
            case $cur in
                *unix*|*windows*)
                    excludes=( windows unix )
                    ;;&
                *lowercase*|*uppercase*)
                    excludes+=( lowercase uppercase )
                    ;;&
	        *nocontrol*)
                    excludes+=( nocontrol )
                    ;;&
	        *ascii*)
                    excludes+=( ascii )
                    ;;
            esac
            local excludes_str=$( export IFS='|'; echo "${excludes[*]}"; )

	    # prevopt is the previous options string used as a prefix
	    # to avoid COMPREPLY replacing them with the $lastopt completion
	    local lastopt=${cur/*,} prevopt=
            [[ $cur = *, ]] && prevopt=${cur%,*},

	    COMPREPLY=( $( compgen -P "$prevopt" -X "@($excludes_str)" \
				   -W 'unix windows nocontrol ascii lowercase uppercase' \
                                   -- $lastopt ) )

	    # +o nospace when no more valid option is possible (= append a space)
            local opt_as_arr=( $(echo ${COMPREPLY[0]//,/ }) )
            [[ ${#opt_as_arr[@]} -lt 4 ]] && compopt -o nospace
	    return 0
	    ;;
	--prefer-family)
	    COMPREPLY=( $( compgen -W 'IPv4 IPv6 none' -- $cur ) )
            return 0
            ;;
        -P|--directory-prefix|--ca-directory)
            _filedir -d
            return 0
            ;;
        -a|--append-output|--load-cookies|--post-file|--ca-certificate|\
	--certificate|--private-key|--random-file|--egd-file)
	    _filedir
	    return 0
	    ;;
        -o|--output-file|-O|--output-document|--save-cookies|--default-page)
            # avoid accidentally overwriting files: suggest directories only
             _filedir -d
            # and, in some cases, the standard output too
            [[ $prev = @(-O|--output-document) && ( $cur = -* || -z $cur ) ]] && COMPREPLY+=( - )
            return 0
            ;;
	-i|--input-file)
            # adds the standard input to the possibilities
	    _filedir && [[ $cur = -* || -z $cur ]] && COMPREPLY+=( - )
	    return 0
	    ;;
	--secure-protocol)
	    COMPREPLY=( $( compgen -W 'auto SSLv2 SSLv3 TLSv1' -- $cur ) )
	    return 0
	    ;;
	--certificate-type|--private-key-type)
	    COMPREPLY=( $( compgen -W 'PEM DER' -- $cur ) )
	    return 0
	    ;;
	--follow-tags|--ignore-tags)
	    local lastopt=${cur/*,} prevopt=
            [[ $cur = *, ]] && prevopt=${cur%,*},

	    COMPREPLY=( $( compgen -P "${prevopt}"
				   -W 'a abbr acronym address applet area b base basefont bdo big blockquote
				body br button caption center cite code col colgroup dd del dir div dfn dl dt em fieldset
				font form frame frameset h6 head hr html i iframe img input ins isindex kbd label legend
				li link map menu meta noframes noscript object ol optgroup option p param pre q s samp
				script select small span strike strong style sub sup table tbody td textarea tfoot th
				thead title tr tt u ul var xmp' -- $lastopt ) )
	    return 0
	    ;;
	--tries|--dns-timeout|--connect-timeout|--timeout|--limit-rate|\
	--wait|--waitretry|--cut-dirs|--max-redirect)
	    COMPREPLY=( $( compgen -W "{0..9}" -- $cur ) )
	    return 0
	    ;;
	--quota)
	    COMPREPLY=( $( compgen -W "{0..9}{k,m}" -- $cur ) )
	    return 0
	    ;;
	--http-user|--proxy-user|--ftp-user|--user)
	    COMPREPLY=( $( compgen -W "$(sed -n '/^login/s/^[[:blank:]]*login[[:blank:]]//p' ~/.netrc)" -- $cur ) )
	    return 0
	    ;;
	--level)
	    COMPREPLY=( $( compgen -W "{1..5}" -- $cur ) )
            return 0
            ;;
	--header)
	    COMPREPLY=( $( compgen -W 'Accept Accept-Charset Accept-Encoding Accept-Language
				Accept-Ranges Age Allow Authorization Cache-Control Connection Content-Encoding
				Content-Language Content-Length Content-Location Content-MD5 Content-Range
				Content-Type Date ETag Expect Expires From Host If-Match If-Modified-Since
				If-None-Match If-Range If-Unmodified-Since Last-Modified Location Max-Forwards
				Pragma Proxy-Authenticate Proxy-Authorization Range Referer Retry-After
				Server TE Trailer Transfer-Encoding Upgrade User-Agent Vary Via Warning
				WWW-Authenticate' -- $cur ) )
            compopt -o nospace
	    return 0
	    ;;
        --local-encoding|--remote-encoding)
            type -P xauth &>/dev/null && \
            COMPREPLY=( $( compgen -W '$( iconv -l | \
                sed -e "s@/*\$@@" -e "s/[,()]//g" )' -- "$cur" ) )
            return 0
            ;;
        --execute)
            return 0 # TODO base=STR
            ;;
    esac

    $split && return

    if [[ $cur = -* ]]; then
        COMPREPLY=( $( compgen -W '$( _parse_help "$1" )' -- "$cur" ) )
        [[ $COMPREPLY == *= ]] && compopt -o nospace
    fi

    return 0
} &&
complete -F _wget wget

# Local variables:
# mode: shell-script
# sh-basic-offset: 4
# sh-indent-comment: t
# indent-tabs-mode: nil
# End:
# ex: ts=4 sw=4 et filetype=sh