Make testing self-contained IRT build-dependencies

Debian / britney2

GNU General Public License v2.0

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Open nthykier opened 8 years ago

nthykier commented 8 years ago

It would be great if Britney ensured that testing was self-contained build-dependency wise.

A couple of open questions:

How to handle arch:all / Build-Depends-Indep?
- Is one arch sufficient?
- Is any arch sufficient?
- Should it be the "no break arch:all arches"? (Caveat: They do not cover "arch:X-only" packages)

nthykier commented 7 years ago

For starters, we can separate this into multiple levels of support:

Make it a migration policy. That way a package cannot migrate without its Build-Depends are /ready/, but it can migrate before them.
- This would make removals work and would make testing a lot more self-contained (despite not being perfect)
Make the installability tester/solver enforce the self-containedness.

Then orthogonal to that there is the arch:all / Build-Depends-Indep case, which we can solve "on top" of this.