Ensure patch is installed in util::patch

util/manifests/init.pp

@@ -120,6 +120,18 @@ define util::extract::zip($source, $ensure=present) {
 
 }
 
+# Install patch.
+#
+class util::patch::package {
+
+    if $kernel == "Linux" {
+        package { "patch":
+            ensure => installed,
+        }
+    }
+
+}
+
 
 # Apply patch.
 #
@@ -142,11 +154,14 @@ define util::extract::zip($source, $ensure=present) {
 #
 define util::patch($source, $strip=0) {
 
+    include util::patch::package
+
     exec { "patch-${name}-${source}":
         path    => "/bin:/usr/bin:/sbin:/usr/sbin",
         cwd     => "${name}",
         command => "patch -N -b -t -p${strip} < ${source}",
         onlyif  => "patch --dry-run -N -b -t -p${strip} < ${source}",
+        require => Class["util::patch::package"],
     }
 
 }