From f8bf2ba1bd7cc8f522e5190486edd25c2fb334e7 Mon Sep 17 00:00:00 2001
From: Pablo Figue <pablo.gfigue@gmail.com>
Date: Wed, 13 Aug 2014 14:58:17 +0200
Subject: [PATCH] Encrypt the vault file after editing only if the contents
 changed

---
 lib/ansible/parsing/vault/__init__.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/ansible/parsing/vault/__init__.py b/lib/ansible/parsing/vault/__init__.py
index 2aab6fdfe4..f3cee27ea4 100644
--- a/lib/ansible/parsing/vault/__init__.py
+++ b/lib/ansible/parsing/vault/__init__.py
@@ -227,6 +227,10 @@ class VaultEditor(object):
         call(self._editor_shell_command(tmp_path))
         tmpdata = self.read_data(tmp_path)
 
+        # Do nothing if the content has not changed
+        if existing_data == tmpdata:
+            return
+
         # create new vault
         this_vault = VaultLib(self.password)
         if cipher: