flake.nix

{
  description = "github:moeru-ai/cosine-similarity";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";

  outputs =
    { self, nixpkgs }:
    let
      systems = [
        "x86_64-linux"
        "x86_64-darwin"
        "aarch64-linux"
        "aarch64-darwin"
      ];
      forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
    in
    {
      devShells = forAllSystems (
        system:
        let
          pkgs = import nixpkgs { inherit system; };
        in
        {
          default = pkgs.mkShell {
            nativeBuildInputs = with pkgs; [
              rustc
              cargo
              rustfmt
              clippy
              rust-analyzer
            ];

            RUST_SRC_PATH = pkgs.rustPlatform.rustLibSrc;
          };
        }
      );

      packages = forAllSystems (
        system:
        let
          pkgs = import nixpkgs { inherit system; };
          version = (builtins.fromTOML (builtins.readFile ./Cargo.toml)).package.version;
        in
        {
          default = pkgs.rustPlatform.buildRustPackage {
            inherit version;
            pname = "demodel";
            src = ./.;
            cargoLock.lockFile = ./Cargo.lock;
          };
        }
      );
    };
}