From 79f9d05b1aaf9f38b672ec470a0751d79f7a4161 Mon Sep 17 00:00:00 2001
From: Knut Ahlers <knut@ahlers.me>
Date: Thu, 30 Aug 2018 23:16:23 +0200
Subject: [PATCH] Execute commands only when file has changed

Signed-off-by: Knut Ahlers <knut@ahlers.me>
---
 tasks/inner.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tasks/inner.yml b/tasks/inner.yml
index 408d61e..0fdd917 100644
--- a/tasks/inner.yml
+++ b/tasks/inner.yml
@@ -29,9 +29,10 @@
     src: '{{ item.src | default(omit) }}'
     unsafe_writes: '{{ item.unsafe_writes | default(omit) }}'
     validate: '{{ item.validate | default(omit) }}'
+  register: simplefile_write_file
 
 - name: Execute post-command
   command: '{{ item.post_command }}'
-  when: item.post_command is defined
+  when: item.post_command is defined and simplefile_write_file.changed
 
 ...