zsh/Completion/Unix/Command/_wget

#compdef wget

local curcontext="$curcontext" state line expl
typeset -A opt_args

_arguments -C -s \
  '(- *)'{--version,-V}'[display version info]' \
  '(- *)'{--help,-h}'[display help]' \
  '(--background -b)'{--background,-b}'[run in background]' \
  '(--execute -e)'{--execute=,-e+}'[execute .wgetrc command]:.wgetrc command' \
  '(--output-file -o --append-output -a)'{--output-file=,-o+}'[specify output logfile]:log file to output:_files' \
  '(--append-output -a --output-file -o)'{--append-output=,-a+}'[specify output logfile to append to]:log file to append:_files' \
  '(--debug -d)'{--debug,-d}'[turn on debug output]' \
  '(--quiet -q --verbose -v --no-verbose -nv)'{--quiet,-q}'[turn off output]' \
  '(--quiet -q --verbose -v --no-verbose -nv)'{--verbose,-v}'[turn on verbose output]' \
  '*-n+[turn off flags]:flags:->noflags' \
  '--report-speed=:type:(bits)' \
  '(--input-file -i)'{--input-file=,-i+}'[specify input file]:file containing URLs:_files' \
  '--input-metalink=[download files covered in local Metalink file]:file:_files' \
  '(--force-html -F)'{--force-html,-F}'[treat input file as html]' \
  '(--base -B)'{--base=,-B+}'[prepend URL to relative links]:base URL:_urls' \
  '--config=[specify config file]:config file:_files' \
  '(--config)--no-config' '--rejected-log=:file:_files' \
  '(--tries -t)'{--tries=,-t+}'[set number of retries]:number of retries' \
  '--retry-connrefused[retry even if connection is refused]' \
  '--retry-on-host-error[consider host errors as non-fatal, transient errors]' \
  '--retry-on-http-error=[specify list of HTTP errors to retry]:http error' \
  '(--output-document -O)'{--output-document=,-O+}'[specify file to write documents to]:output file:_files' \
  '(--continue -c)'{--continue,-c}'[continue getting an existing file]'  \
  '--start-pos=:offset' '--show-progress' \
  '--progress=[set progress gauge type]:gauge type:->gauge' \
  '(--timestamping -N)'{--timestamping,-N}'[retrieve only files newer than existing]' \
  '--no-if-modified-since' \
  "--no-use-server-timestamps[don't set the local file's timestamp by the one on the server]" \
  '(--server-response -S)'{--server-response,-S}'[print server response]' \
  "--spider[don't download anything]" \
  '(--timeout -T)'{--timeout=,-T+}'[set all timeout values]:timeout (seconds)' \
  '--dns-servers=[specify DNS servers to query]:DNS server:_sequence _hosts' \
  '--bind-dns-address=[bind DNS resolver to specified address]:hostname or IP on local host' \
  '(--timeout -T)--dns-timeout=[set the DNS lookup timeout]:DNS lookup timeout (seconds)' \
  '(--timeout -T)--connect-timeout=[set the connect timeout]:connect timeout (seconds)' \
  '(--timeout -T)--read-timeout=[set the read timeout]:read timeout (seconds)' \
  '(--wait -w)'{--wait=,-w+}'[specify wait between retrievals]:time (seconds)' \
  '(--random-wait)--waitretry=:time (seconds)' \
  '(--waitretry)--random-wait[random wait time between retrievals]' \
  '--no-proxy[explicitly turn off proxy]' \
  '(--quota -Q)'{--quota=,-Q+}'[set retrieval quota]:number' \
  '--bind-address=[specify address to bind to (hostname or IP)]:bind address:_bind_addresses' \
  '--limit-rate=[specify limit to download rate]:download rate limit' \
  '--no-dns-cache[disable caching DNS lookups]' \
  '--restrict-file-names=[restrict chars in file names to ones OS allows]:OS:->restrict' \
  '--ignore-case[ignore case when matching files/directories]' \
  '(-4 --inet4-only -6 --inet6-only)'{-4,--inet4-only}'[connect only to IPv4 addresses]' \
  '(-4 --inet4-only -6 --inet6-only)'{-6,--inet6-only}'[connect only to IPv6 addresses]' \
  '--prefer-family=[connect first to addresses of specified family]:address family:(IPv6 IPv4 none)' \
  '(--http-user --ftp-user)--user[set both ftp and http user]:user' \
  '(--http-password --ftp-password)--password[set both ftp and http password]:password' \
  '(--password --http-password --ftp-password)--ask-password:[prompt for passwords]' \
  '--use-askpass=:command:_command_names -e' \
  '--no-iri[turn off IRI support]' \
  '--local-encoding=[specify local encoding for IRIs]:encoding' \
  '--remote-encoding=[specify default remote encoding]:encoding' \
  '--unlink[remove file before clobber]' \
  '--keep-badhash[Keep files with checksum mismatch (append .badhash)]' \
  '--metalink-index=[metalink application/metalink4+xml metaurl ordinal]:number' \
  '--metalink-over-http[use Metalink metadata from HTTP response headers]' \
  '--preferred-location[preferred location for Metalink resources]' \
  '--xattr[turn on storage of metadata in extended file attributes]' \
  '(-nd --no-directories)'{-nd,--no-directories}"[don't create directories]" \
  '(--force-directories -x)'{--force-directories,-x}'[force creation of directories]' \
  '(-nH --no-host-directories)'{-nH,--no-host-directories}"[don't create host directories]" \
  '--protocol-directories[use protocol name in directories]' \
  '(--directory-prefix -P)'{--directory-prefix=,-P+}'[specify prefix to save files to]:prefix:_files -/' \
  '--cut-dirs=:number:' \
  '(--user)--http-user=:user' \
  '(--password --ask-password)--http-password=:password' \
  '--no-cache[disallow server-cached data]' \
  '--default-page=[specify default page name, normally index.html]:default page [index.html]' \
  '(--adjust-extension -E)'{--adjust-extension,-E}'[save all HTML/CSS documents with proper extensions]' \
  "--ignore-length[ignore \`Content-Length' header field]" \
  '*--header=[send a custom HTTP header]:header:->header' \
  '--compression=:compression:(auto gzip none)' \
  '--max-redirect=:number' \
  '--proxy-user=:user' \
  '--proxy-password=:password' \
  '--referer=:URL:_urls' \
  '--save-headers[save http headers]' \
  '(--user-agent -U)'{--user-agent=,-U+}'[specify user agent to identify as]:user-agent' \
  '--no-http-keep-alive[disable HTTP keep-alive]' \
  '--no-cookies[turn cookies off]' \
  '--load-cookies=[specify file to load cookies from]:cookie file:_files' \
  '--save-cookies=[specify file to save cookies to]:cookie file:_files' \
  '--keep-session-cookies[load and save session cookies]' \
  '--post-data=[use the POST method with specified data]:data to send' \
  '--post-file=[use the POST method; sending contents of a file]:file:_files' \
  '--method=[use specified HTTP method]:method:(GET POST HEAD DELETE)' \
  '(--body-file)--body-data=[send string as data]:string' \
  '(--body-data)--body-file=[send contents of file]:file:_files' \
  '--content-disposition[honor the Content-Disposition header when choosing local file names]'  \
  '--content-on-error[output received content on server errors]' \
  "--auth-no-challenge[send basic HTTP authentication without first waiting for server's challenge]" \
  '--secure-protocol=[choose secure protocol]:protocol:(SSLv2 SSLv3 TLSv1 TLSv1_1 TLSv1_2 TLSv1_3 PFS)' \
  --https-only \
  "--no-check-certificate[don't check the server certificate]" \
  '--certificate=[specify client certificate]:client certificate file:_files' \
  '--certificate-type=[specify client certificate type]:certificate type:(PEM DER)' \
  '--private-key=[specify private key file]:key file:_files' \
  '--private-key-type=[specify private key type]:key type:key type:(PEM DER)' \
  "--ca-certificate=[specify file with bundle of CA's]:file:_files" \
  "--ca-directory=[specify dir where hash list of CA's are stored]:directory:_directories" \
  '--crl-file=[specify file with bundle of CRLs]:file:_files' \
  '--pinnedpubkey=:file:_files' \
  '--random-file[specify file with random data for seeding generator]:file:_files' \
  '--egd-file=[specify filename of EGD socket]:file:_files' \
  '--ciphers=[set the priority string (GnuTLS) or cipher list string (OpenSSL) directly]:string' \
  '--no-hsts[disable HSTS]' \
  '--hsts-file[specify path of HSTS database]:file:_files' \
  '(--user)--ftp-user=:user' \
  '(--password --ask-password)--ftp-password=:password' \
  "--no-remove-listing[don't remove \`.listing' files]" \
  '--no-glob[turn off FTP file name globbing]' \
  '--no-passive-ftp' \
  '--preserve-permissions[preserve remote file permissions with ftp]' \
  --retr-symlinks --ftps-implicit --ftps-resume-ssl \
  --ftps-clear-data-connection --ftps-fallback-to-ftp \
  '--warc-file=:file:_files' --warc-header=:string --warc-max-size=:number \
  --warc-cdx --warc-dedup=:file:_files --no-warc-compression --no-warc-digests \
  --no-warc-keep-log --warc-tempdir=:directory:_directories \
  '(--recursive -r)'{--recursive,-r}'[recurse subdirectories]' \
  '(--level -l)'{--level=,-l+}'[specify maximum recursion depth]:level' \
  '--delete-after' \
  '(--convert-links -k)'{--convert-links,-k}'[convert links to be relative]' \
  --convert-file-only \
  '--backups=:max backups' \
  '(--backup-converted -K)'{--backup-converted,-K}'[backup files before conversion]' \
  '(--mirror -m -r -N -l)'{--mirror,-m}'[mirror (-r -N -l inf --no-remove-listing)]' \
  '(--page-requisites -p)'{--page-requisites,-p}'[get all images needed to display page]' \
  '--strict-comments[turn on strict (SGML) handling of HTML comments]' \
  '(--accept -A)'{--accept=,-A+}'[specify accepted extensions]:extensions' \
  '(--reject -R)'{--reject=,-R+}'[specify rejected extensions]:extensions' \
  --{accept,reject}-regex=:regex '--regex-type=:regex type:(posix pcre)' \
  '(--domains -D)'{--domains=,-D+}'[specify accepted domains]:domains:_domains' \
  '--exclude-domains=:rejected domain:_sequence _domains' \
  '--follow-ftp' \
  '--follow-tags=:HTML tags:' \
  '--ignore-tags=[specify ignored HTML tags]:HTML tags' \
  '(--span-hosts -H)'{--span-hosts,-H}'[span hosts]' \
  '(--relative -L)'{--relative,-L}'[follow relative links only]' \
  '(--include-directories -I)'{--include-directories=,-I+}'[include directories]:allowed directories' \
  '--trust-server-names' \
  '(--exclude-directories -X)'{--exclude-directories=,-X+}'[exclude directories]:excluded directories' \
  '(-np --no-parent)'{-np,--no-parent}"[don't ascend to parent directory]" \
  '--no-verbose' \
  '--no-clobber' \
  '--no-netrc' \
  '--no-use-server-timestamps[do not set timestamp to server provided value]' \
  '--htmlify=:htmlify:' \
  '--no:no:->noflags' \
  '*:URL:_urls' && return 0

case "$state" in
  gauge)
    _values -S : 'progress gauge type' \
      'dot:style:(default binary mega giga micro)' \
      'bar:force:(force)'
  ;;
  noflags)
    _values -s '' 'option' \
      'v[non verbose]' \
      'H[no host directories]' \
      'd[no directories]' \
      'c[no clobber]' \
      'p[no parent]'
  ;;
  restrict)
    _values -s , 'filename char restriction' \
      '(windows)unix' \
      '(unix)windows' \
      '(unix windows)nocontrol' \
      ascii \
      '(uppercase)lowercase' \
      '(lowercase)uppercase'
  ;;
  header)
    local -a headers
    local suf=': '
    compquote suf
    headers=(
             Accept{,-{Charset,Encoding,Language,Datetime}}
             Authorization
             Cache-Control
             Connection
             Cookie
             Content-{Length,MD5,Type}
             Date
             Expect
             From
             Host
             If-Match
             If-Modified-Since
             If-None-Match
             If-Range
             If-Unmodified-Since
             Max-Forwards
             Pragma
             Proxy-Authorization
             Range
             Referer
             TE
             Upgrade
             User-Agent
             Via
             Warning
             X-Requested-With
             X-Do-Not-Track
             DNT
             X-Forwarded-For
             X-ATT-DeviceId
             X-Wap-Profile
             )
    _wanted headers expl 'HTTP header' compadd -S $suf -a headers
  ;;
esac