Develop locally slapos.core.

It is useful to have synchronised version of slapos tools in Vifib instance.

Also add python interpreter in order to have direct access to such developed
library.

software/vifib/software.cfg

@@ -4,9 +4,22 @@ extends =
 
 parts +=
   vifib
+  check-slapos.core
+
+develop =
+  ${:parts-directory}/vifib
+
+[check-slapos.core]
+recipe = plone.recipe.command
+stop-on-error = true
+update-command = ${:command}
+command = grep parts ${buildout:develop-eggs-directory}/slapos.core.egg-link
 
 [eggs]
+dummy =
+  ${vifib:location}
 eggs += slapos.core
+interpreter = python
 
 [instance-recipe]
 module = vifib