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#compdef lsusb

local context state line usbidsline vendorid pair
typeset -A opt_args

_arguments \
  '(-v --verbose)'{-v,--verbose}'[be verbose]' \
  '-s:bus and/or devnum to show:' \
  '-d:vendor and product to show:->vendorproduct' \
  '-D:device to show:_files' \
  '-t[dump the physical USB device hierarchy as a tree]' \
  '(-V --version)'{-V,--version}'[print version info and exit]' && return 0

  if [[ ${+_lsusb_vendors} -eq 0 ]]; then
    typeset -A _lsusb_vendors _lsusb_devices
  while IFS="" read usbidsline
  do
    case "$usbidsline" in
      ((#b)([0-9a-f]##) ##(*))
        vendorid="$match[1]"
        _lsusb_vendors[$vendorid]="$match[2]"
      ;;
      (	(#b)([0-9a-f]##) ##(*)))
        pair="$vendorid:$match[1]"
        _lsusb_devices[${pair}]="$match[2]"
      ;;
    esac
  done < /usr/share/misc/usb.ids
fi

compadd -k _lsusb_devices