From 09172051fc90c55bb06359b60918d15feb9aecc4 Mon Sep 17 00:00:00 2001
From: Harald Albers <github@albersweb.de>
Date: Sat, 5 Nov 2016 10:12:35 -0700
Subject: [PATCH] Add bash completion for `docker system df`

Signed-off-by: Harald Albers <github@albersweb.de>
---
 contrib/completion/bash/docker | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/contrib/completion/bash/docker b/contrib/completion/bash/docker
index f262559801..a016efaefd 100644
--- a/contrib/completion/bash/docker
+++ b/contrib/completion/bash/docker
@@ -3100,9 +3100,12 @@ _docker_system() {
 	esac
 }
 
-# TODO new command
 _docker_system_df() {
-	:
+	case "$cur" in
+		-*)
+			COMPREPLY=( $( compgen -W "--help --verbose -v" -- "$cur" ) )
+			;;
+	esac
 }
 
 _docker_system_events() {