Expose products.

software/erp5/instance-zope.cfg

@@ -21,6 +21,11 @@ deadlock-url = $${:url}/$${zope-instance:deadlock-path}?$${zope-instance:deadloc
 [zope-instance]
 recipe = slapos.cookbook:generic.zope
 
+# XXX: products won't be needed as soon as all ERP5 (and products-deps)
+# products will be eggified so then it will be possible to use them thanks to
+# availability in software's eggs
+products = ${products:list}
+
 # Options
 user = zope
 port = 12001