saltstack/salt — Issue #707: Detect duplicate ID decs in multiple sls files
Author: thatch45
Created: 2012-02-16 16:20:34+00:00
State: open

https://groups.google.com/forum/#!topic/salt-users/D1lZV0E8hzs

Desribes it well

basically, when rendering individual sls files Salt can check that there are no duplicate ID decs before merging the highstate data