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nixpkgs/pkgs/development/coq-modules/hydra-battles/default.nix
Théo Zimmermann 61ac416992 coqPackages.hydra-battles: fix version checking logic
With this change, the derivation can be relied on without overlay in the upstream project.
2022-02-21 16:20:04 +01:00

38 lines
1.4 KiB
Nix

{ lib, mkCoqDerivation, coq, equations, LibHyps, version ? null }:
with lib;
(mkCoqDerivation {
pname = "hydra-battles";
owner = "coq-community";
release."0.4".sha256 = "1f7pc4w3kir4c9p0fjx5l77401bx12y72nmqxrqs3qqd3iynvqlp";
release."0.5".sha256 = "121pcbn6v59l0c165ha9n00whbddpy11npx2y9cn7g879sfk2nqk";
release."0.6".sha256 = "1dri4sisa7mhclf8w4kw7ixs5zxm8xyjr034r1377p96rdk3jj0j";
releaseRev = (v: "v${v}");
inherit version;
defaultVersion = with versions; switch coq.coq-version [
{ case = range "8.13" "8.15"; out = "0.6"; }
{ case = range "8.11" "8.12"; out = "0.4"; }
] null;
useDune2 = true;
meta = {
description = "Exploration of some properties of Kirby and Paris' hydra battles, with the help of Coq";
longDescription = ''
An exploration of some properties of Kirby and Paris' hydra
battles, with the help of the Coq Proof assistant. This
development includes the study of several representations of
ordinal numbers, and a part of the so-called Ketonen and Solovay
machinery (combinatorial properties of epsilon0).
'';
maintainers = with maintainers; [ siraben Zimmi48 ];
license = licenses.mit;
platforms = platforms.unix;
};
}).overrideAttrs(o:
let inherit (o) version; in {
propagatedBuildInputs = [ equations ] ++ optional (versions.isGe "0.6" version || version == "dev") LibHyps;
})