From e5be8eac402746c4c83b4f0a27fc718b58fbafb3 Mon Sep 17 00:00:00 2001
From: David Goodwin <david@palepurple.co.uk>
Date: Tue, 21 Jun 2016 13:22:27 +0100
Subject: [PATCH] check retval from copy(src,dest)

---
 src/wdm/debian/Packager.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/wdm/debian/Packager.php b/src/wdm/debian/Packager.php
index 97ef609..84612fd 100644
--- a/src/wdm/debian/Packager.php
+++ b/src/wdm/debian/Packager.php
@@ -182,7 +182,10 @@ class Packager
         if (is_link($source)) {
             symlink(readlink($source), $dest);
         } else {
-            copy($source, $dest);
+            if(!copy($source, $dest)) {
+                echo "Error: failed to copy: $source -> $dest \m";
+                return;
+            }
         }
         if (fileperms($source) != fileperms($dest)) {
             chmod($dest, fileperms($source));