bash-completion: list valid signal names

this is a follow-up for commit 18540892d18addc4dcb81
7 years ago · cef97d1ca8
1 changed files with 2 additions and 1 deletions
--- a/shell-completion/bash/loginctl
+++ b/shell-completion/bash/loginctl
@ -41,7 +41,8 @@ _loginctl () {
        if __contains_word "$prev" ${OPTS[ARG]}; then
                case $prev in
                        --signal|-s)
-                                comps=$(compgen -A signal)
+                                _signals
+                                return
                        ;;
                        --kill-who)
                                comps='all leader'