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bash completion: make systemctl mount-image/bind autocomplete on active services

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The verb works only on running service units, so complete on that as the first
parameter, and a local file as the second. The other parameters are inside the
service namespace so we can't autocomplete from the outside, return early.
This commit is contained in:
Luca Boccassi 2023-12-27 17:48:05 +01:00
parent 79272d3098
commit c24c63e946
1 changed files with 13 additions and 1 deletions
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14
shell-completion/bash/systemctl.in
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@ -62,6 +62,8 @@ __get_template_names () { __systemctl $1 list-unit-files "$2*" \
| { while read -r a b; do [[ $a =~ @\. ]] && echo " ${a%%@.*}@"; done; }; }
__get_active_units () { __systemctl $1 list-units "$2*" \
| { while read -r a b; do echo " $a"; done; }; }
__get_active_services() { __systemctl $1 list-units "$2*.service" \
| { while read -r a b; do echo " $a"; done; }; }
__get_not_masked_unit_files() {
# filter out masked, not-found, or template units.
@ -231,7 +233,7 @@ _systemctl () {
list-timers list-units list-unit-files poweroff
reboot rescue show-environment suspend get-default
is-system-running preset-all list-automounts list-paths'
[FILE]='link switch-root bind mount-image'
[FILE]='link switch-root'
[TARGETS]='set-default'
[MACHINES]='list-machines'
[LOG_LEVEL]='log-level'
@ -239,6 +241,7 @@ _systemctl () {
[SERVICE_LOG_LEVEL]='service-log-level'
[SERVICE_LOG_TARGET]='service-log-target'
[SERVICE_WATCHDOGS]='service-watchdogs'
[MOUNT]='bind mount-image'
)
for ((i=0; i < COMP_CWORD; i++)); do
@ -385,6 +388,15 @@ _systemctl () {
fi
elif __contains_word "$verb" ${VERBS[SERVICE_WATCHDOGS]}; then
comps='on off'
elif __contains_word "$verb" ${VERBS[MOUNT]}; then
if __contains_word "$prev" ${VERBS[MOUNT]}; then
comps=$( __get_active_services $mode "$cur" )
elif [[ "$prev" =~ .service ]]; then
comps=$( compgen -A file -- "$cur" )
compopt -o filenames
else
return 0
fi
fi
COMPREPLY=( $(compgen -o filenames -W '$comps' -- "$cur_orig") )