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Add iwctl completion #1616

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0f55f3a
feat(iwctl): Add initial iwctl completion implementation
cladmi Mar 30, 2026
568e54a
test(iwctl): Add mocked output tests.
cladmi Apr 13, 2026
8d0c77f
feat(iwctl): Do not show any completion when not supposed to.
cladmi Apr 12, 2026
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304 changes: 304 additions & 0 deletions completions-core/iwctl.bash
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Original file line number Diff line number Diff line change
@@ -0,0 +1,304 @@
# iwctl(1) completion -*- shell-script -*-

# Clean and remove all lines that are not a first column of output.
# @param $1 Column offset. Some values use multiple lines, so only keep lines
# that start at this offset and not more.
_comp_cmd_iwctl__cleanup_output()
{
local offset="$1"
shift
local remove_colors="s/\x1B\[[0-9;]\+m//g"
local remove_header_lines="1,4d"
local remove_line_selector_indication="s/^ > / /"
local keep_columns_lines="/^ \{${offset}\}[^ ]/!d"
local format_lstrip="s/^ *\([^ ]\)/\1/"
command sed \
-e "${remove_colors}" \
-e "${remove_header_lines}" \
-e "${remove_line_selector_indication}" \
-e "${keep_columns_lines}" \
-e "${format_lstrip}" \
"$@"
}

# Extract first column when it has no spaces
_comp_cmd_iwctl__filter_first_column()
{
local format_column="s/^\([^ ]\+\) \+.*/\1/g"
_comp_cmd_iwctl__cleanup_output \
2 \
-e "${format_column}"
}

# Extract SSIDs from 'station list' or 'known-networks list'.
# SSIDs have a maximum of 32 characters, and no leading/trailing spaces.
# @param $1 Column offset. See _comp_cmd_iwctl__cleanup_output.
_comp_cmd_iwctl__filter_list_networks()
{
local offset="$1"
shift
local format_network="s/^\(.\{32\}\) .*/\1/"
local format_rstrip="s/\([^ ]\) *$/\1/g"
_comp_cmd_iwctl__cleanup_output \
"${offset}" \
-e "${format_network}" \
-e "${format_rstrip}"
}

# List devices for given device mode.
# @param $1 iwctl binary.
# @param $2 device mode.
_comp_cmd_iwctl__list_devices()
{
local iwctl="$1"
local device_mode="$2"
"${iwctl}" "${device_mode}" list | _comp_cmd_iwctl__filter_first_column
}

_comp_cmd_iwctl__doublequote_compreply_if_has_space()
{
local i
for i in "${!COMPREPLY[@]}"; do
COMPREPLY[i]=${COMPREPLY[i]//* */\"${COMPREPLY[i]}\"}
done
}

_comp_cmd_iwctl()
{
local cur prev words cword comp_args was_split
# No split on ':' for "connect-hidden" address.
_comp_initialize -n ":" -s -- "$@" || return
local prevprev=${words[cword - 2]}
local prevprevprev=${words[cword - 3]}

case $prev in
--username | --password | --passphrase)
return
;;
esac

# 'subcmd' can be either 'list' or the command after the 'device' name.
local subcword cmd="" has_cmd="" subcmd=""
for ((subcword = 1; subcword < cword; subcword++)); do
[[ $subcmd == list ]] && break
[[ $subcmd ]] && subcmd=${words[subcword]} && break
[[ $has_cmd ]] && subcmd=${words[subcword]} && break
[[ ${words[subcword]} != --* &&
${words[subcword - 1]} != --@(username|password|passphrase) ]] &&
cmd=${words[subcword]} has_cmd=set
done

if [[ ! $has_cmd ]]; then
case $cur in
-*)
_comp_compgen_split -- \
"--username --password --passphrase --dont-ask --help"
;;
*)
_comp_compgen_split -- \
"adapter ad-hoc ap device known-networks wsc station dpp pkex debug"
;;
esac
return
fi

case $cmd in
adapter)
[[ $subcmd == list ]] && return
case $prev in
"$cmd")
_comp_compgen_split -l -- \
"$(_comp_cmd_iwctl__list_devices "$1" "$cmd")"
_comp_compgen -a -- -W "list"
;;
show) ;;
set-property)
# No handling of properties completion.
;;
*)
[[ ${prevprev} == set-property ]] && return
[[ ${prevprevprev} == set-property ]] && return
_comp_compgen_split -- "show set-property"
;;
esac
;;
ad-hoc)
[[ $subcmd == list ]] && return
case $prev in
"$cmd")
_comp_compgen_split -l -- \
"$(_comp_cmd_iwctl__list_devices "$1" "$cmd")"
_comp_compgen -a -- -W "list"
;;
start | start_open | stop) ;;
*)
_comp_compgen_split -- "start start_open stop"
;;
esac
;;
ap)
[[ $subcmd == list ]] && return
case $prev in
"$cmd")
_comp_compgen_split -l -- \
"$(_comp_cmd_iwctl__list_devices "$1" "$cmd")"
_comp_compgen -a -- -W "list"
;;
start | start-profile | stop | show | scan | get-networks) ;;
*)
_comp_compgen_split -- \
"start start-profile stop show scan get-networks"
;;
esac
;;
device)
[[ $subcmd == list ]] && return
case $prev in
"$cmd")
_comp_compgen_split -l -- \
"$(_comp_cmd_iwctl__list_devices "$1" "$cmd")"
_comp_compgen -a -- -W "list"
;;
show) ;;
set-property)
# No handling of properties completion.
;;
*)
[[ ${prevprev} == set-property ]] && return
[[ ${prevprevprev} == set-property ]] && return
_comp_compgen_split -- "show set-property"
;;
esac
;;
known-networks)
[[ $subcmd == list ]] && return
case $prev in
"$cmd")
_comp_compgen_split -l -- \
"$("$1" "$cmd" list | _comp_cmd_iwctl__filter_list_networks 2)"
_comp_compgen -a -- -W "list"
_comp_cmd_iwctl__doublequote_compreply_if_has_space
;;
forget | show) ;;
set-property)
# No handling of properties completion.
;;
*)
[[ ${prevprev} == set-property ]] && return
[[ ${prevprevprev} == set-property ]] && return
_comp_compgen_split -- "forget show set-property"
;;
esac
;;
wsc)
[[ $subcmd == list ]] && return
case $prev in
"$cmd")
_comp_compgen_split -l -- \
"$(_comp_cmd_iwctl__list_devices "$1" "$cmd")"
_comp_compgen -a -- -W "list"
;;
push-button | start-user-pin | start-pin | cancel) ;;
*)
[[ ${prevprev} == start-user-pin ]] && return
_comp_compgen_split -- "push-button start-user-pin start-pin cancel"
;;
esac
;;
station)
[[ $subcmd == list ]] && return
# All arguments except $prev and trailing empty argument
local iwctl_args=("${words[@]::${#words[@]}-2}")
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@cladmi cladmi Apr 13, 2026

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Here I need to call iwctl station wlan0 get-networks so try to get rely on words to get everything except the connect in iwctl station wlan0 connect.

There might be options provided in here, as long as the option are given just after iwctl all this will work well, but if not, I know this might break but not sure what would be the correct way of handling it. I thought about generating a whole new array with options removed, but was not sure if it it was necessary to add it, or if there was already a preferred way of handling it.

case $prev in
"$cmd")
_comp_compgen_split -l -- \
"$(_comp_cmd_iwctl__list_devices "$1" "$cmd")"
_comp_compgen -a -- -W "list"
;;
connect-hidden)
# Quote all completions as it does not keep suggesting the
# completion anymore if it was half-provided.
# It duplicates the completion and then gets obviously stuck.
_comp_compgen_split -l -P '"' -S '"' -- \
"$("${iwctl_args[@]}" get-hidden-access-points | _comp_cmd_iwctl__filter_first_column)"
;;
connect | get-bsses)
_comp_compgen_split -l -- \
"$("${iwctl_args[@]}" get-networks | _comp_cmd_iwctl__filter_list_networks 6)"
_comp_cmd_iwctl__doublequote_compreply_if_has_space
;;
get-networks | get-hidden-access-points)
_comp_compgen_split -- "rssi-dbms rssi-bars"
;;
disconnect | scan | show) ;;
rssi-dbms | rssi-bars)
# get-networks | get-hidden-access-points rssi-dbms | rssi-bars
;;
*)
[[ ${prevprev} == @(connect|connect-hidden|get-bsses) ]] && return
[[ ${prevprevprev} == @(connect|connect-hidden|get-bsses) ]] && return
_comp_compgen_split -- \
"connect connect-hidden disconnect get-networks get-hidden-access-points scan show get-bsses"
;;
esac
;;
dpp)
[[ $subcmd == list ]] && return
case $prev in
"$cmd")
_comp_compgen_split -l -- \
"$(_comp_cmd_iwctl__list_devices "$1" "$cmd")"
_comp_compgen -a -- -W "list"
;;
start-enrollee | start-configurator | stop | show) ;;
*)
_comp_compgen_split -- \
"start-enrollee start-configurator stop show"
;;
esac
;;
pkex)
[[ $subcmd == list ]] && return
case $prev in
"$cmd")
_comp_compgen_split -l -- \
"$(_comp_cmd_iwctl__list_devices "$1" "$cmd")"
_comp_compgen -a -- -W "list"
;;
enroll | configure)
_comp_compgen_split -- "key"
;;
stop | show) ;;
key)
# enroll|configure key
;;
*)
[[ ${prevprev} == key ]] && return
_comp_compgen_split -- "stop show enroll configure"
;;
esac
;;
debug)
case $prev in
"$cmd")
_comp_compgen_split -- \
"$(_comp_cmd_iwctl__list_devices "$1" station)"
;;
connect | roam)
# Not implemented
;;
autoconnect)
_comp_compgen_split -- "on off"
;;
on | off)
# autoconnect on|off
;;
*)
[[ ${prevprev} == @(connect|roam) ]] && return
_comp_compgen_split -- "connect roam get-networks autoconnect"
;;
esac
;;
esac
} &&
complete -F _comp_cmd_iwctl iwctl
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