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# arp(8) completion -*- shell-script -*-
_comp_cmd_arp()
{
local cur prev words cword comp_args
_comp_initialize -- "$@" || return
local noargopts='!(-*|*[iApfHt]*)'
# shellcheck disable=SC2254
case $prev in
--device | -${noargopts}i)
_comp_compgen_available_interfaces -a
return
;;
--protocol | -${noargopts}[Ap])
# TODO protocol/address family
return
;;
--file | -${noargopts}f)
_comp_compgen_filedir
return
;;
--hw-type | -${noargopts}[Ht])
# TODO: parse from --help output?
_comp_compgen -- -W 'ash ether ax25 netrom rose arcnet dlci fddi
hippi irda x25 eui64'
return
;;
esac
if [[ $cur == -* ]]; then
_comp_compgen_help || _comp_compgen_usage
return
fi
local REPLY
_comp_count_args -a "@(--device|--protocol|--file|--hw-type|-${noargopts}[iApfHt])"
case $REPLY in
1)
local ips=$("$1" -an | command sed -ne \
's/.*(\([0-9]\{1,3\}\(\.[0-9]\{1,3\}\)\{3\}\)).*/\1/p')
_comp_compgen -- -W '$ips'
;;
2)
# TODO if -d mode: "pub"; if not -f mode: hw_addr
# TODO hw_addr is a configured interface with --use-device/-*D*
;;
3)
# TODO netmask|pub|temp if -s mode
;;
4)
# TODO netmask value if previous was "netmask"
;;
5)
# TODO "pub" if 3rd was "netmask"
;;
esac
} &&
complete -F _comp_cmd_arp arp
# ex: filetype=sh
|
