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While debugging an issue with running NixOps tests, I found out that the output from debClosureGenerator is not deterministic. The reason behind this is the way how Provides and Replaces fields are handled. I haven't yet found out what's the exact issue, but so far packages "Provides" are more or less picked at random. So, running the NixOps Hetzner tests we get either mawk, original-awk or gawk altering on every invocation. While for the test it isn't poisionous whether wi have mawk or gawk, having original-awk certainly is, because live-build only works with mawk or gawk. The best solution would obviously be to make debClosureGenerator deterministic, but in the case of "Provides: awk", we can safely pick mawk by default, because the latter has a "Priority: required" in its package description. This also has the advantage that we can safely cherry-pick this to release-15.09 because it's very unlikely that we'll break the debClosureGenerator by adding a dependency to commonDebPackages. Signed-off-by: aszlig <aszlig@redmoonstudios.org> |
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