From dab877521830130037fe8238fc1fa1601a004988 Mon Sep 17 00:00:00 2001
From: Zhao Cai <caizhaoff@gmail.com>
Date: Fri, 10 May 2013 07:05:24 -0400
Subject: [PATCH] (ack) handle ack version string containing commit sha1

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

diff --git a/src/_ack b/src/_ack
index 7b92bac..e7fa5b7 100644
--- a/src/_ack
+++ b/src/_ack
@@ -42,7 +42,7 @@
 _ack_version() {
     local version
     version=(${(f)"$(_call_program version $words[1] --version)"})
-    version=${${version[1]}#ack }
+    version=${${(z)${version[1]}}[2]}
     printf $version
 }