Basic way to assuer that correct codewill be used.

software/testnode/software.cfg

@@ -18,11 +18,18 @@ parts =
   subversion
   git
   zip
+  checkrecipe
 
 find-links +=
   http://www.nexedi.org/static/packages/source/slapos.buildout/
   http://www.nexedi.org/static/packages/source/
 
+[checkrecipe]
+recipe = plone.recipe.command
+stop-on-error = true
+update-command = ${:command}
+command = grep parts ${buildout:develop-eggs-directory}/slapos.cookbook.egg-link
+
 [slapos.cookbook]
 recipe = plone.recipe.command
 stop-on-error = true