From f5ac1fa0738384fada4abb979ba25dddecc56372 Mon Sep 17 00:00:00 2001
From: Ben Firshman <ben@firshman.co.uk>
Date: Wed, 20 May 2015 16:02:08 +0100
Subject: [PATCH] Remove whitespace from json hash

Reasoning:

https://github.com/aanand/fig/commit/e5d8447f063498164f12567554a2eec16b4a3c88#commitcomment-11243708

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
---
 compose/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compose/utils.py b/compose/utils.py
index d441a2dae..76a4c6b93 100644
--- a/compose/utils.py
+++ b/compose/utils.py
@@ -3,7 +3,7 @@ import hashlib
 
 
 def json_hash(obj):
-    dump = json.dumps(obj, sort_keys=True)
+    dump = json.dumps(obj, sort_keys=True, separators=(',', ':'))
     h = hashlib.sha256()
     h.update(dump)
     return h.hexdigest()