bash completion for `docker-compose bundle`

Signed-off-by: Harald Albers <github@albersweb.de>

contrib/completion/bash/docker-compose

@@ -109,6 +109,18 @@ _docker_compose_build() {
 }
 
 
+_docker_compose_bundle() {
+	case "$prev" in
+		--output|-o)
+			_filedir
+			return
+			;;
+	esac
+
+	COMPREPLY=( $( compgen -W "--help --output -o" -- "$cur" ) )
+}
+
+
 _docker_compose_config() {
 	COMPREPLY=( $( compgen -W "--help --quiet -q --services" -- "$cur" ) )
 }
@@ -455,6 +467,7 @@ _docker_compose() {
 
 	local commands=(
 		build
+		bundle
 		config
 		create
 		down