Keyboard-IO/flake.nix at master · bertof/Keyboard-IO · GitHub

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{
  description = "A very basic flake";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    rust-overlay.url = "github:oxalica/rust-overlay";
    flake-utils.url = "github:numtide/flake-utils";
    pre-commit-hooks.url = "github:cachix/pre-commit-hooks.nix";
  };


  outputs = { self, nixpkgs, rust-overlay, flake-utils, pre-commit-hooks }:
    let
      extensions = [ "rust-src" ];
      targets = [ "x86_64-unknown-linux-gnu" "thumbv7em-none-eabihf" ];
      overlays = [
        rust-overlay.overlays.default
      ];

    in
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs { inherit system overlays; };
        rust = pkgs.rust-bin.stable.latest.default.override { inherit extensions targets; };
        minBuildInputs = with pkgs; [
          rust
          stdenv.cc
          stdenv.cc.cc.lib
          # git
          protobuf
        ];
      in
      {
        checks = {
          pre-commit-check = pre-commit-hooks.lib.${system}.run {
            src = ./.;

            tools = {
              clippy = rust;
              rustfmt = rust;
              cargo = rust;
            };

            hooks = {
              clippy.enable = true;
              cargo-tests = {
                enable = true;
                name = "test";
                description = "Test Rust code.";
                entry = "${rust}/bin/cargo test --color always";
                files = "\\.rs$";
                pass_filenames = false;
              };
              rustfmt.enable = true;

              nixpkgs-fmt.enable = true;
              deadnix.enable = true;
              statix.enable = true;
              # rustfmt.enable = true;
            };
          };
        };

        packages = {
          inherit rust;
        };

        apps = {
          doc_server = {
            type = "app";
            program = "${pkgs.writeShellScript "doc_auto_build" ''
              PATH=${with pkgs; lib.makeBinPath [nodePackages.browser-sync]}
              browser-sync start --s target/doc --directory -w
            ''}";
          };
        };

        devShell = pkgs.mkShell {
          buildInputs = minBuildInputs;

          shellHook = ''
            ${self.checks.${system}.pre-commit-check.shellHook}
          '';

          # depsBuildBuild = with pkgs; [ qemu ];

          # LD_LIBRARY_PATH = "${pkgs.stdenv.cc.cc.lib}/lib";

          # CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER = "${pkgs.stdenv.cc.targetPrefix}cc";
          # CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_RUNNER = "qemu-aarch64";
        };

        formatter = pkgs.nixpkgs-fmt;
      }
    );
}