From f3c9cdadd3a96e0e67d512de25c18a5c91b5fc57 Mon Sep 17 00:00:00 2001
From: Steve Durrheimer <s.durrheimer@gmail.com>
Date: Tue, 22 Nov 2016 08:01:45 +0100
Subject: [PATCH] Add zsh completion for 'docker image ls --filter reference'

Signed-off-by: Steve Durrheimer <s.durrheimer@gmail.com>
---
 contrib/completion/zsh/_docker | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/contrib/completion/zsh/_docker b/contrib/completion/zsh/_docker
index 0619618534..dd72b2d61d 100644
--- a/contrib/completion/zsh/_docker
+++ b/contrib/completion/zsh/_docker
@@ -399,11 +399,11 @@ __docker_complete_images_filters() {
     declare -a boolean_opts opts
 
     boolean_opts=('true' 'false')
-    opts=('before' 'dangling' 'label' 'since')
+    opts=('before' 'dangling' 'label' 'reference' 'since')
 
     if compset -P '*='; then
         case "${${words[-1]%=*}#*=}" in
-            (before|since)
+            (before|reference|since)
                 __docker_complete_images && ret=0
                 ;;
             (dangling)