From 9081c6afbd1b59404901a4e6e004d6cfa3b2beb0 Mon Sep 17 00:00:00 2001
From: Dmitri Shuralyov <shurcooL@gmail.com>
Date: Sat, 20 Feb 2016 21:40:41 -0800
Subject: [PATCH] Replace non-standard `rename` in update.sh.

A more standard and widely available alternative implementation created
by @dominikh in https://github.com/gopherjs/gopherjs.github.io/issues/43#issuecomment-186747811.

Fixes #43.
---
 playground/update.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/playground/update.sh b/playground/update.sh
index 188aeb8d..f6d8f003 100755
--- a/playground/update.sh
+++ b/playground/update.sh
@@ -36,4 +36,5 @@ cp -r $GOROOT/pkg/darwin_amd64_js_min/* $PKG
 rm -r /tmp/gopherjsplayground_goroot
 rm -r /tmp/gopherjsplayground_gopath
 
-rename 's/\.a/\.a.js/' $(find $PKG -name "*.a")
+# Rename all *.a files in $PKG to *.a.js.
+find "$PKG" -name "*.a" -exec sh -c 'mv $0 $0.js' {} \;