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bash-completion: complete values for journal fields

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This adds completion for the new -F, --field flag, but also uses this
option directly from journalctl to complete values for fields which
might be used as filters.
This commit is contained in:
Dave Reisner 2012-10-18 17:38:05 -04:00
parent f89a3b6f5b
commit ad57912eb0
1 changed files with 11 additions and 2 deletions
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13
bash-completion/systemd-bash-completion.sh
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@ -281,12 +281,12 @@ _loginctl () {
complete -F _loginctl loginctl
_journalctl() {
local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
local field_vals= cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
local -A OPTS=(
[STANDALONE]='-a --all -b --this-boot -f --follow --header
-h --help -l --local --new-id128 --no-pager
--no-tail -q --quiet --setup-keys --verify --version'
[ARG]='-D --directory --interval -n --lines -o --output
[ARG]='-D --directory -F --field --interval -n --lines -o --output
-p --priority --verify-key'
)
local journal_fields=(MESSAGE{,_ID} PRIORITY CODE_{FILE,LINE,FUNC}
@ -310,6 +310,9 @@ _journalctl() {
--output|-o)
comps='short short-monotonic verbose export json cat'
;;
--field|-F)
comps=${journal_fields[*]}
;;
*)
return 0
;;
@ -321,6 +324,12 @@ _journalctl() {
if [[ $cur = -* ]]; then
COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
return 0
elif [[ $cur = *=* ]]; then
mapfile -t field_vals < <(journalctl -F "${prev%=}" 2>/dev/null)
COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "${cur#=}") )
elif [[ $prev = '=' ]]; then
mapfile -t field_vals < <(journalctl -F "${COMP_WORDS[COMP_CWORD-2]}" 2>/dev/null)
COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "$cur") )
else
# append an '=' to the end of the completed field
# TODO: would be nice to be able to tell readline here not to