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# ip(8) completion for fish
# The difficulty here is that ip allows abbreviating options, so we need to complete "ip a" like "ip address", but not "ip m" like "ip mroute"
# Also the manpage and even the grammar it accepts is utter shite (options can only be before commands, some things are only in the BNF, others only in the text)
# It also quite likes the word "dev", even though it needs it less than the BNF specifies
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set -l ip_commands link address addrlabel route rule neighbour ntable tunnel tuntap maddr mroute mrule monitor xfrm netns l2tp tcp_metrics
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set -l ip_addr a ad add addr addre addres address
set -l ip_link l li lin link
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set -l ip_neigh n ne nei neig neigh neighb neighbo neighbor neighbour
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set -l ip_route r ro rou rout route
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set -l ip_rule ru rul rule
set -l ip_all_commands $ip_commands $ip_addr $ip_link $ip_neigh $ip_route $ip_rule
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function __fish_ip_commandwords
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set -l skip 0
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set -l cmd ( commandline -xpc )
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# Remove the first word because it's "ip" or an alias for it
set -e cmd [ 1 ]
set -l have_command 0
for word in $cmd
switch $word
# Normalize the commands to their full form - `ip a` is `ip address`
# This can't be just an unambiguity check because there's also `ip addrlabel`
case a ad add addr addre addres address
# "addr add" is a thing, so we can only echo "address" if it's actually the command
if test $have_command = 0
set have_command 1
echo address
else
echo $word
end
case l li lin link
if test $have_command = 0
set have_command 1
echo link
else
echo $word
end
case "addrl*"
if test $have_command = 0
set have_command 1
echo addrlabel
else
echo $word
end
case r ro rou rout route
if test $have_command = 0
set have_command 1
echo route
else
echo $word
end
case "ru*"
if test $have_command = 0
set have_command 1
echo rule
else
echo $word
end
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case n ne nei neig neigh neighb neighbo neighbor neighbour
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if test $have_command = 0
set have_command 1
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echo neighbour
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else
echo $word
end
case nt
if test $have_command = 0
set have_command 1
echo ntable
else
echo $word
end
case t tu tun tunn tunne tunnel
if test $have_command = 0
set have_command 1
echo tunnel
else
echo $word
end
case "tunt*"
if test $have_command = 0
set have_command 1
echo tuntap
else
echo $word
end
case m ma mad madd maddr maddre maddres maddress
if test $have_command = 0
set have_command 1
echo maddress
else
echo $word
end
case mr "mro*"
if test $have_command = 0
set have_command 1
echo mroute
else
echo $word
end
case "mru*"
if test $have_command = 0
set have_command 1
echo mrule
else
echo $word
end
case "mo*"
if test $have_command = 0
set have_command 1
echo monitor
else
echo $word
end
case "x*"
if test $have_command = 0
set have_command 1
echo xfrm
else
echo $word
end
case "net*"
if test $have_command = 0
set have_command 1
echo netns
else
echo $word
end
case "l*"
if test $have_command = 0
set have_command 1
echo l2tp
else
echo $word
end
case "tc*"
if test $have_command = 0
set have_command 1
echo tcp_metrics
else
echo $word
end
case "to*"
if test $have_command = 0
set have_command 1
echo token
else
echo $word
end
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case -n -netns --netns
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if test $have_command = 0
set skip 1
else
echo $word
end
case '-*'
test $have_command = 0
and continue
echo $word
case '*'
if test $skip = 1
set skip 0
continue
end
echo $word
end
end
# Print an empty line if the current token is empty, so we know that the one before it is finished
# TODO: For some reason it is necessary to always print the current token - why doesn't the above loop catch it?
set -l token ( commandline -ct )
echo $token
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end
function __fish_ip_device
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command ip -o link show | while read -l a b c
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printf '%s\t%s\n' ( string replace -r '(@.*)?:' '' -- $b ) Device
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end
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end
function __fish_ip_scope
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if test -r /etc/iproute2/rt_scopes
string replace -r '#.*' '' < /etc/iproute2/rt_scopes \
| string match -v '^\s*$' \
| string replace -r '(\S+)\s*(\S+)' '$1\t$2\n$2\t$1' \
| string match -rv '^(global|link|host).*' # Ignore scopes with better descriptions
end
# Predefined scopes
printf '%s\t%s\n' global "Address is globally valid" \
link "Address is link-local, only valid on this device" \
host "Address is only valid on this host"
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end
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function __fish_ip_netns_list
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command ip netns list | while read -l a b c
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echo -- $a
end
end
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function __fish_ip_routing_tables
command ip -d route show table all | string replace -fr '.*\stable\s(\S+).*' '$1'
end
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function __fish_ip_types
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printf '%s\t%s\n' \
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bridge "Ethernet Bridge device" \
bond "Bonding device" \
dummy "Dummy network interface" \
hsr "High-availability Seamless Redundancy device" \
ifb "Intermediate Functional Block device" \
ipoib "IP over Infiniband device" \
macvlan "Virtual interface base on link layer address (MAC)" \
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macvtap "Virtual interface based on link layer address (MAC) and TAP." \
vcan "Virtual Controller Area Network interface" \
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vxcan "Virtual Controller Area Network tunnel interface" \
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veth "Virtual ethernet interface" \
vlan "802.1q tagged virtual LAN interface" \
vxlan "Virtual eXtended LAN" \
ip6tnl "Virtual tunnel interface IPv4|IPv6 over IPv6" \
ipip "Virtual tunnel interface IPv4 over IPv4" \
sit "Virtual tunnel interface IPv6 over IPv4" \
gre "Virtual tunnel interface GRE over IPv4" \
gretap "Virtual L2 tunnel interface GRE over IPv4" \
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erspan "Encapsulated Remote SPAN over GRE and IPv4" \
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ip6gre "Virtual tunnel interface GRE over IPv6" \
ip6gretap "Virtual L2 tunnel interface GRE over IPv6" \
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ip6erspan "Encapsulated Remote SPAN over GRE and IPv6" \
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vti "Virtual tunnel interface" \
nlmon "Netlink monitoring device" \
ipvlan "Interface for L3 (IPv6/IPv4) based VLANs" \
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ipvtap "Interface for L3 (IPv6/IPv4) based VLANs and TAP" \
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lowpan "Interface for 6LoWPAN (IPv6) over IEEE 802.15.4 / Bluetooth" \
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geneve "GEneric NEtwork Virtualization Encapsulation" \
bareudp "Bare UDP L3 encapsulation support" \
macsec "Interface for IEEE 802.1AE MAC Security (MACsec)" \
vrf "Interface for L3 VRF domains" \
netdevsim "Interface for netdev API tests" \
rmnet "Qualcomm rmnet device" \
xfrm "Virtual xfrm interface"
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end
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function __fish_ip_neigh_states
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printf '%s\t%s\n' \
permanent "entry is valid forever" \
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noarp "entry is valid without validation" \
reachable "entry is valid until timeout" \
stale "entry is valid but suspicious" \
none "pseudo state" \
incomplete "entry has not yet been validated" \
delay "entry validation is currently delayed" \
probe "neighbor is being probed" \
failed "neighbor validation has ultimately failed"
end
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function __fish_complete_ip
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set -l cmd ( __fish_ip_commandwords )
set -l count ( count $cmd )
switch " $cmd [1] "
case address
# We're still _on_ the second word, which is the subcommand
if not set -q cmd [ 3 ]
printf '%s\t%s\n' add "Add new protocol address" \
delete "Delete protocol address" \
show "Look at protocol addresses" \
flush "Flush protocol addresses"
else
switch $cmd [ 2 ]
# Change and replace are undocumented (apart from mentions in the BNF)
case add change replace
switch $count
case 3
# __fish_ip_complete_ip
case '*'
switch $cmd [ - 2 ]
case dev
__fish_ip_device
case scope
__fish_ip_scope
# TODO: Figure out how to complete these
case label
# Prefix
case local peer broadcast
# Address
case valid_lft preferred_lft
# Lifetime
case '*'
printf '%s\t%s\n' forever "Keep address valid forever" \
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home "(Ipv6 only) Designate address as home address" \
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nodad "(Ipv6 only) Don't perform duplicate address detection" \
dev "Add address to specified device" \
scope "Set scope of address" \
label "Tag address with label"
end
end
case delete
switch $count
case 3
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command ip -o addr show | while read -l a b c d e
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echo $d
end
case 4
# A dev argument is mandatory, but contrary to the BNF, other things (like "scope") are also valid here
# And yes, unlike e.g. show, this _needs_ the "dev" before the device
# Otherwise it barfs and says "??? prefix is expected"
# Anyway, try to steer the user towards supplying a device
echo dev
case 5
switch $cmd [ - 2 ]
case dev
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command ip -o addr show | string match " * $cmd [3]* " | while read -l a b c
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echo $b
end
# TODO: Moar
end
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end
case show save flush # These take the same args
switch $cmd [ - 2 ]
case dev
__fish_ip_device
case scope
__fish_ip_scope
case to
# Prefix
case label
# Label-pattern
case '*'
printf '%s\t%s\n' up "Only active devices" \
dev "Limit to a certain device" \
scope "Limit scope" \
to "Limit prefix" \
label "Limit by label" \
dynamic "(Ipv6 only) Limit to dynamic addresses" \
permanent "(Ipv6 only) Limit to permanent addresses"
__fish_ip_device
# TODO: Moar
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end
end
end
case link
if not set -q cmd [ 3 ]
printf '%s\t%s\n' add "Add virtual link" \
delete "Delete virtual link" \
set "Change device attributes" \
show "Display device attributes" \
help "Display help"
else
# TODO: Add moar
switch $cmd [ 2 ]
case add
switch $cmd [ - 2 ]
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case link
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__fish_ip_device
case name # freeform, uncompleteable.
case type
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__fish_ip_types
case txqueuelen
case address
case broadcast
case mtu index numtxqueues numrxqueues gso_max_size gso_max_segs
# These all take some kind of number?
seq 0 50
case add '*'
# We assume if we haven't checked it above, we're back to `ip link add`, with any optionals completed.
# So we now suggest optionals.
printf '%s\t%s\n' \
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link "" \
type "" \
txqueuelen PACKETS \
address LLADDR \
broadcast LLADDR \
mtu MTU \
index IDX \
numtxqueues QUEUE_COUNT \
numrxqueues QUEUE_COUNT \
gso_max_size BYTES \
gso_max_segs
end
case delete
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switch $cmd [ - 2 ]
case delete
__fish_ip_device
echo dev
echo group
case dev
__fish_ip_device
case group
case type
__fish_ip_types
case '*'
if not set -q cmd [ 6 ]
echo type
end
end
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case set
switch $cmd [ - 2 ]
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case type
__fish_ip_types
echo bridge_slave
echo bond_slave
case arp dynamic { all,} multicast pro{ misc,todown} trailers spoofchk query_rss trust
echo on
echo off
case name alias
case address broadcast
case mtu txqueuelen
case netns
case link-netnsid
case vf mac
case { { max,min} _tx_,} rate
case node_guid port_guid
case state
echo auto
echo enable
echo disable
case master dev # Yes, the word "dev" is allowed here!
__fish_ip_device
case nomaster
case vrf
case xdp'*'
case object section pinned
case addrgenmode
case macaddr
case group
case set '*'
__fish_ip_device
echo group
echo up
echo down
end
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case show
case help
end
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end
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case neighbour
if not set -q cmd [ 3 ]
printf '%s\t%s\n' help "Show help" \
add "Add new neighbour entry" \
delete "Delete neighbour entry" \
change "Change neighbour entry" \
replace "Add or change neighbour entry" \
show "List neighbour entries" \
flush "Flush neighbour entries" \
get "Lookup neighbour entry"
else
switch $cmd [ 2 ]
case add del delete change replace
switch $cmd [ - 2 ]
case lladdr
case nud
__fish_ip_neigh_states
case proxy
case dev
__fish_ip_device
case '*'
echo lladdr
echo nud
echo proxy
echo dev
echo router
echo use
echo managed
echo extern_learn
end
case show flush
switch $cmd [ - 2 ]
case to
case dev
__fish_ip_device
case vrf
case nud
__fish_ip_neigh_states
echo all
case '*'
echo to
echo dev
echo vrf
echo nomaster
echo proxy
echo unused
echo nud
end
case get
switch $cmd [ - 2 ]
case to
case dev
__fish_ip_device
case '*'
echo proxy
echo to
echo dev
end
end
end
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case route
if not set -q cmd [ 3 ]
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printf '%s\t%s\n' \
add "Add new route" \
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change "Change route" \
append "Append route" \
replace "Change or add new route" \
delete "Delete route" \
show "List routes" \
flush "Flush routing tables" \
get "Get a single route" \
save "Save routing table to stdout" \
showdump "Show saved routing table from stdin" \
restore "Restore routing table from stdin"
else
# TODO: switch on $cmd[2] and complete subcommand specific arguments
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# for now just complete most useful arguments for the last token
switch $cmd [ - 2 ]
case dev iif oif
__fish_ip_device
case table
__fish_ip_routing_tables
end
end
case rule
if not set -q cmd [ 3 ]
printf '%s\t%s\n' \
add "Add new rule" \
delete "Delete rule" \
flush "Flush rules" \
show "List rules" \
save "Save rules to stdout" \
restore "Restore rules from stdin"
else
# TODO: switch on $cmd[2] and complete subcommand specific arguments
# for now just complete most useful arguments for the last token
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switch $cmd [ - 2 ]
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case iif oif
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__fish_ip_device
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case table
__fish_ip_routing_tables
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end
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end
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case netns
if not set -q cmd [ 3 ]
printf '%s\t%s\n' add "Add network namespace" \
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attach "Attach process to network namespace" \
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delete "Delete network namespace" \
set "Change network namespace attributes" \
identify "Display network namespace for a process id" \
pids "Display process ids of processes running in network namespace" \
monitor "Report as network namespace names are added and deleted" \
exec "Execute command in network namespace" \
help "Display help" \
list "List network namespaces"
else
switch $cmd [ 2 ]
case delete
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if not set -q cmd [ 4 ]
__fish_ip_netns_list
end
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case exec
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if not set -q cmd [ 4 ]
__fish_ip_netns_list
else
__fish_complete_subcommand --commandline $cmd [ 4 .. - 1 ]
end
case pids
if not set -q cmd [ 4 ]
__fish_ip_netns_list
end
case set
if not set -q cmd [ 4 ]
__fish_ip_netns_list
end
case attach
if not set -q cmd [ 4 ]
__fish_ip_netns_list
else
__fish_complete_pids
end
case identify
if not set -q cmd [ 4 ]
__fish_complete_pids
end
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end
end
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end
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end
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complete -f -c ip
complete -f -c ip -a '(__fish_complete_ip)'
complete -f -c ip -n " not __fish_seen_subcommand_from $ip_all_commands " -a " $ip_commands "
# Yes, ip only takes options before "objects"
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complete -c ip -s h -l human -d "Output statistics with human readable values" -n " not __fish_seen_subcommand_from $ip_commands "
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complete -c ip -s b -l batch -d "Read commands from file or stdin" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -l force -d "Don't terminate on errors in batch mode" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -s V -l Version -d "Print the version" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -s s -l stats -d "Output more information" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -s d -l details -d "Output more detailed information" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -s l -l loops -d "Specify maximum number of loops for 'ip addr flush'" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -s f -l family -d "The protocol family to use" -a "inet inet6 bridge ipx dnet link any" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -s 4 -d "Short for --family inet" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -s 6 -d "Short for --family inet6" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -s B -d "Short for --family bridge" -n " not __fish_seen_subcommand_from $ip_commands "
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complete -c ip -f -s M -d "Short for --family mpls" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -s 0 -d "Short for --family link" -n " not __fish_seen_subcommand_from $ip_commands "
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complete -c ip -f -s o -l oneline -d "Output on one line" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -s r -l resolve -d "Resolve names and print them instead of addresses" -n " not __fish_seen_subcommand_from $ip_commands "
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complete -c ip -f -s n -l netns -d "Use specified network namespace" -n " not __fish_seen_subcommand_from $ip_commands "
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complete -c ip -f -s a -l all -d "Execute command for all objects" -n " not __fish_seen_subcommand_from $ip_commands "
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complete -c ip -f -s c -l color -d "Configure color output" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -s t -l timestamp -d "Display current time when using monitor" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -o ts -l tshort -d "Like -timestamp, but shorter format" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -o rc -l rcvbuf -d "Set the netlink socket receive buffer size" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -o iec -d "Print human readable rates in IEC units" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -o br -l brief -d "Print only basic information in a tabular format" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -s j -l json -d "Output results in JSON" -n " not __fish_seen_subcommand_from $ip_commands "
complete -c ip -f -s p -l pretty -d "Output results in pretty JSON" -n " not __fish_seen_subcommand_from $ip_commands "
