Seth Flynn ecdda5798c nix flake check: Skip substitutable derivations ... Since `nix flake check` doesn't produce a `result` symlink, it doesn't actually need to build/substitute derivations that are already known to have succeeded, i.e. that are substitutable. This can speed up CI jobs in cases where the derivations have already been built by other jobs. For instance, a command like nix flake check github:NixOS/hydra/aa62c7f7db31753f0cde690f8654dd1907fc0ce2 should no longer build anything because the outputs are already in cache.nixos.org. Based-on: https://github.com/DeterminateSystems/nix-src/pull/134 Based-on: https://gerrit.lix.systems/c/lix/+/3841 Co-authored-by: Eelco Dolstra <edolstra@gmail.com>		2025-09-15 21:31:03 +02:00
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manual	nix flake check: Skip substitutable derivations	2025-09-15 21:31:03 +02:00