salt-cubicweb-formula #5714468 Improve the selection of debian sources [open]

Right now the use of

  • extra_sources and
  • debian_pkgrepos

can be complicated, and there is possibly custom logic that can be hard to understand and document.

Document the use cases and find a better model for configuring this.

prioritynormal
typeenhancement
done in<not specified>
load1.000
load left1.000
closed by<not specified>