From a17ca862fb2d3de4efc30367d35480a80cb1d16e Mon Sep 17 00:00:00 2001
From: serenecloud <ben@crimson.net.nz>
Date: Sun, 30 Jun 2013 15:36:13 +1200
Subject: [PATCH] Return a friendly error message if aptitude isn't installed

---
 library/packaging/apt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/library/packaging/apt b/library/packaging/apt
index a352cabf66..5f8c97aa39 100644
--- a/library/packaging/apt
+++ b/library/packaging/apt
@@ -286,6 +286,9 @@ def main():
     global APT_GET_CMD
     APT_GET_CMD = module.get_bin_path("apt-get")
 
+    if not APTITUDE_CMD:
+      module.fail_json(msg="Could not find aptitude. Please ensure it is installed.")
+
     p = module.params
     install_recommends = p['install_recommends']