Allow installing puppet modules using the standard method

global/post-tasks.d/018packages

@@ -39,6 +39,15 @@ if [ -f $CONFIG ]; then
           echo "ERROR: Ignoring non-git repository"
           continue
         fi
+      elif [[ "$src" =~ .*:// ]]; then
+        echo "ERROR: Don't know how to install '$src'"
+        continue
+      else
+        if [ ! -d /etc/puppet/modules/$module ]; then
+          puppet module install $src
+        elif [ "$update" = "yes" ]; then
+          puppet module upgrade $src
+        fi
       fi
     done
   )