From 2e68a49dc872db55708f49ec4976fc38b32a75ef Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Fri, 14 Dec 2018 02:32:15 +0900
Subject: [PATCH] bash-completion: systemctl: use --output=help to show
 suggestions

---
 shell-completion/bash/systemctl.in | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/shell-completion/bash/systemctl.in b/shell-completion/bash/systemctl.in
index 8756bfb8a56..0e58e2ba4cb 100644
--- a/shell-completion/bash/systemctl.in
+++ b/shell-completion/bash/systemctl.in
@@ -168,8 +168,7 @@ _systemctl () {
                                 comps='full enable-only disable-only'
                         ;;
                         --output|-o)
-                                comps='short short-full short-iso short-iso-precise short-precise short-monotonic short-unix verbose export json
-                                       json-pretty json-sse json-seq cat with-unit'
+                                comps=$( systemctl --output=help 2>/dev/null )
                         ;;
                         --machine|-M)
                                 comps=$( __get_machines )
-- 
2.47.3