zsh/Completion/Debian/_dpkg

#compdef dpkg dpkg-deb

_dpkg_deb_args=('(--build)-b[build archive]:directory:_files -/' \
           '(-b)--build:directory:_files -/' \
           '(--contents)-c[list contents]:Debian package:_files -g \*.deb' \
           '(-c)--contents:Debian package:_files -g \*.deb' \
           '(--info)-I[show info]:Debian package:_files -g \*.deb' \
           '(-I)--info:Debian package:_files -g \*.deb' \
           '(--field)-f[show fields]:Debian package:_files -g \*.deb' \
           '(-f)--field:Debian package:_files -g \*.deb' \
           '(--control)-e[extract control]:Debian package:_files -g \*.deb' \
           '(-e)--control:Debian package:_files -g \*.deb' \
           '(--extract)-x[extract files]:Debian package:_files -g \*.deb' \
           '(-x)--extract:Debian package:_files -g \*.deb' \
           '(--vextract)-X[extract and list files]:Debian package:_files -g \*.deb' \
           '(-X)--vextract[extract and list]:Debian package:_files -g \*.deb' \
           '--fsys-tarfile[output fs tarfile]:Debian package:_files -g \*.deb')

_dpkg_common_args=('--help[show help]' \
           '--version[show version]' \
           '--licence[show licensing]')

case "${words[1]:t}" in
dpkg)
_arguments -s '(--install)-i[install packages]:Debian package:_files -g \*.deb' \
           '(-i)--install:Debian package:_files -g \*.deb' \
           '--unpack[unpack package]:Debian package:_files -g \*.deb' \
           '(--record-avail)-A[record available]:package file:_files' \
           '(-A)--record-avail:package file:_files' \
           '--configure:package:_deb_packages installed' \
           '(--remove)-r[remove package]:package:_deb_packages installed' \
           '(-r)--remove:package:_deb_packages installed' \
           '(--purge)-P[purge package]:package:_deb_packages installed' \
           '(-P)--purge:package:_deb_packages installed' \
           '--get-selections[get selections]:pattern:' \
           '--set-selections[set selections]' \
           '--update-avail[update available]:package file:_files' \
           '--merge-avail[merge available]:package file:_files' \
           '--clear-avail[clear available]' \
           '--forget-old-unavail[forget uninstalled unavailable]' \
           '(--status)-s[display package status]:packages:_deb_packages installed' \
           '(-s)--status:packages:_deb_packages installed' \
           '(--print-avail)-p[display available details]:packages:_deb_packages avail' \
           '(-p)--print-avail:packages:_deb_packages avail' \
           '(--listfiles)-L[list owned files]:packages:_deb_packages installed' \
           '(-L)--listfiles:packages:_deb_packages installed' \
           '(--list)-l[list packages]:packages:_deb_packages avail' \
           '(-l)--list:packages:_deb_packages avail' \
           '(--search)-S[search for file owner]:pattern:_files' \
           '(-S)--search:pattern:_files' \
           '(--audit)-C[check for broken pkgs]' \
           '(-C)--audit' \
           '--abort-after[abort after errors]:number of errors:' \
           '--print-architecture[print target architecture]' \
           '--print-gnu-build-architecture[print GNU version of target architecture]' \
           '--print-installation-architecture[print host architecture]' \
           '--compare-versions[compare version numbers]:expression:' \
           '--admindir=[data directory]:directory:_files -/' \
           '--root=[alternative root]:root:_files -/' \
           '--instdir=[change inst root but not data dir]:_files -/' \
           '(--selected-only)-O[skip unselected packages]' \
           '(-O)--selected-only' \
           '(--skip-same-version)-E[skip packages with same version as installed]' \
           '(-E)--skip-same-version' \
           '(--refuse-downgrade)-G[skip packages with earlier version than installed]' \
           '(-G)--refuse-downgrade' \
           '(--auto-deconfigure)-B[install can break other packages]' \
           '(-B)--auto-deconfigure' \
           '--largemem[optimize for >4Mb RAM]' \
           '--smallmem[optimize for <4Mb RAM]' \
           '--no-act[show potential actions but do not follow through]' \
           '-D+[debug options]:debug options:(h 1 2 3)' \
           '--debug=[debug options]:debug options:(help 1 2 3)' \
           '--ignore-depends=[ignore depends involving package]:package:_deb_packages avail' \
           --{force,refuse,no-force}'--[forcing options]:what:(auto-select downgrade configure-any hold bad-path not-root overwrite overwrite-diverted depends-version depends confnew confold confdef confmiss conflicts architecture overwrite-dir remove-reinstreq remove-essential)' \
           "$_dpkg_deb_args[@]" \
           "$_dpkg_common_args[@]"
;;

dpkg-deb)
_arguments "$_dpkg_deb_args[@]" \
           "$_dpkg_common_args[@]"

;;

esac