tinygo: use fixed go version

{

  stdenv,

  lib,

  buildGoModule,

  buildGo125Module,

  fetchFromGitHub,

  makeWrapper,

  llvmPackages_20,

  go,

  go_1_25,

  xar,

  binaryen,

  avrdude,

}:

let

  # nixpkgs typically updates default llvm version faster than tinygo releases

  # which ends up breaking this build. Use fixed version for each release.

  # nixpkgs typically updates default llvm and go versions faster than tinygo releases

  # which ends up breaking this build. Use fixed versions for each release.

  buildGoModule = buildGo125Module;

  go = go_1_25;

  llvmMajor = lib.versions.major llvm.version;

  inherit (llvmPackages_20)

    llvm

  '';

in

buildGoModule rec {

buildGoModule (finalAttrs: {

  pname = "tinygo";

  version = "0.40.1";

  src = fetchFromGitHub {

    owner = "tinygo-org";

    repo = "tinygo";

    tag = "v${version}";

    tag = "v${finalAttrs.version}";

    hash = "sha256-+dLdQdq47M+HKjiMQI1/NJZqiRFuR8rnv/osCbFTpQE=";

    fetchSubmodules = true;

    # The public hydra server on `hydra.nixos.org` is configured with

    make build/release USE_SYSTEM_BINARYEN=1

    wrapProgram $out/bin/tinygo \

      --prefix PATH : ${lib.makeBinPath runtimeDeps}

      --prefix PATH : ${lib.makeBinPath finalAttrs.runtimeDeps}

    runHook postInstall

  '';

      muscaln

    ];

  };

}

})