From 3ac19862f2a797d8136e0248615fe16d6cc2faeb Mon Sep 17 00:00:00 2001
From: Harald Albers <github@albersweb.de>
Date: Tue, 25 Oct 2016 14:18:13 +0200
Subject: [PATCH] Add bash completion for `docker export --output`

Signed-off-by: Harald Albers <github@albersweb.de>
---
 contrib/completion/bash/docker | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/contrib/completion/bash/docker b/contrib/completion/bash/docker
index c4b79962c6..2c1b10db30 100644
--- a/contrib/completion/bash/docker
+++ b/contrib/completion/bash/docker
@@ -1071,9 +1071,16 @@ _docker_container_exec() {
 }
 
 _docker_container_export() {
+	case "$prev" in
+		--output|-o)
+			_filedir
+			return
+			;;
+	esac
+
 	case "$cur" in
 		-*)
-			COMPREPLY=( $( compgen -W "--help" -- "$cur" ) )
+			COMPREPLY=( $( compgen -W "--help --output -o" -- "$cur" ) )
 			;;
 		*)
 			local counter=$(__docker_pos_first_nonflag)