Restore dynamic derivations!#13186
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Ericson2314 merged 1 commit intoNixOS:masterfrom May 21, 2025
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🎉 All dependencies have been resolved ! |
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roberth
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Needs some dogfooding before merge, but other than that, this looks good to me!
This method does *not* create a new type of goal. We instead just make `DerivationGoal` more sophisticated, which is much easier to do now that `DerivationBuildingGoal` has been split from it (and so many fields are gone, or or local variables instead). This avoids the need for a secondarily trampoline goal that interacted poorly with `addWantedOutputs`. That, I hope, will mean the bugs from before do not reappear. There may in fact be a reason to introduce such a trampoline in the future, but it would only happen in conjunction with getting rid of `addWantedOutputs`. Restores the functionality (and tests) that was reverted in f4f28cd.
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Third time's the charm |
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This pull request has been mentioned on NixOS Discourse. There might be relevant details there: https://discourse.nixos.org/t/2025-05-21-nix-team-meeting-minutes-228/65204/1 |
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Motivation
This method does not create a new type of goal. We instead just make
DerivationGoalmore sophisticated, which is much easier to do now thatDerivationBuildingGoalhas been split from it (and so many fields are gone, or or local variables instead).This avoids the need for a secondarily trampoline goal that interacted poorly with
addWantedOutputs. That, I hope, will mean the bugs from before do not reappear.Context
There may in fact be a reason to introduce such a trampoline in the future, but it would only happen in conjunction with getting rid of
addWantedOutputs.Restores the functionality (and tests) that was reverted in f4f28cd.
depends on #13181
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