From 60197ed27d2d9607751f5cc741ef22af0aafcf62 Mon Sep 17 00:00:00 2001
From: Henrik Lissner <henrik@lissner.net>
Date: Thu, 15 Dec 2016 21:22:00 -0500
Subject: [PATCH] zsh/update: refactor

---
 shell/zsh/update | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/shell/zsh/update b/shell/zsh/update
index e57f20c6..68bf7d7a 100755
--- a/shell/zsh/update
+++ b/shell/zsh/update
@@ -1 +1,5 @@
-is-callable zgen && zgen update
+#!/usr/bin/env bash
+if command -v zgen >/dev/null; then
+    zgen selfupdate
+    zgen update
+fi