simon_says/flake.nix at main · DylanRJohnston/simon_says · GitHub

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{
  inputs = {
    naersk = {
      url = "github:nix-community/naersk";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    nix-filter.url = "github:numtide/nix-filter";
  };
  outputs =
    {
      nixpkgs,
      flake-utils,
      naersk,
      rust-overlay,
      nix-filter,
      ...
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        # wasm-bindgen-cli-update = final: prev: {
        #   wasm-bindgen-cli = prev.wasm-bindgen-cli.override {
        #     version = "0.2.92";
        #     hash = "sha256-1VwY8vQy7soKEgbki4LD+v259751kKxSxmo/gqE6yV0=";
        #     cargoHash = "sha256-aACJ+lYNEU8FFBs158G1/JG8sc6Rq080PeKCMnwdpH0=";
        #   };
        # };

        overlays = [ (import rust-overlay) ];

        pkgs = import nixpkgs { inherit system overlays; };

        toolchain = pkgs.rust-bin.nightly.latest.complete.override {
          extensions = [ "rust-src" ];
          targets = [ "wasm32-unknown-unknown" ];
        };
      in
      rec {
        devShell =
          with pkgs;
          mkShell {
            buildInputs = [
              toolchain
              iconv
              darwin.apple_sdk.frameworks.AppKit
              wasm-bindgen-cli
              cargo-watch
              cargo-expand
            ];

            RUST_SRC_PATH = "${toolchain}/lib/rustlib/src/rust/library";
          };
      }
    );
}