From d1ed8008606d4cee46a4e24a87e61235bd61cc38 Mon Sep 17 00:00:00 2001
From: Harald Albers <github@albersweb.de>
Date: Mon, 21 Aug 2017 14:50:46 +0200
Subject: [PATCH] Add bash completion for `service rollback`

Signed-off-by: Harald Albers <github@albersweb.de>
---
 contrib/completion/bash/docker | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/contrib/completion/bash/docker b/contrib/completion/bash/docker
index 542b0013ba..c0f92afca5 100644
--- a/contrib/completion/bash/docker
+++ b/contrib/completion/bash/docker
@@ -3101,6 +3101,7 @@ _docker_service() {
 		logs
 		ls
 		rm
+		rollback
 		scale
 		ps
 		update
@@ -3215,6 +3216,20 @@ _docker_service_rm() {
 	esac
 }
 
+_docker_service_rollback() {
+	case "$cur" in
+		-*)
+			COMPREPLY=( $( compgen -W "--detach=false -d --help --quit -q" -- "$cur" ) )
+			;;
+		*)
+			local counter=$( __docker_pos_first_nonflag )
+			if [ "$cword" -eq "$counter" ]; then
+				__docker_complete_services
+			fi
+			;;
+	esac
+}
+
 _docker_service_scale() {
 	case "$cur" in
 		-*)