From c8a255191f8d42b4bddb375ac3c6022bdae6fe21 Mon Sep 17 00:00:00 2001
From: Daniel Shahaf <d.s@daniel.shahaf.name>
Date: Tue, 20 Oct 2015 09:30:29 +0000
Subject: [PATCH] _docker: Don't cache bogus subcommands list

---
 src/_docker | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/_docker b/src/_docker
index 9104f38..77ff2fb 100644
--- a/src/_docker
+++ b/src/_docker
@@ -181,7 +181,7 @@ __docker_commands () {
         lines=(${(f)"$(_call_program commands docker 2>&1)"})
         _docker_subcommands=(${${${lines[$((${lines[(i)Commands:]} + 1)),${lines[(I)    *]}]}## #}/ ##/:})
         _docker_subcommands=($_docker_subcommands 'help:Show help for a command')
-        _store_cache docker_subcommands _docker_subcommands
+        (( $#_docker_subcommands > 1 )) && _store_cache docker_subcommands _docker_subcommands
     fi
     _describe -t docker-commands "docker command" _docker_subcommands
 }