{

inputs = {

nixpkgs.url = "github:NixOS/nixpkgs/5954d3359cc7178623da6c7fd23dc7f7504d7187";

git-hooks.url = "github:cachix/git-hooks.nix";

flake-utils.url = "github:numtide/flake-utils";

};

outputs = { self, nixpkgs, flake-utils, git-hooks, ... }:

flake-utils.lib.eachSystem [ "x86_64-linux" ] (system:

let

pkgs = import nixpkgs { inherit system; };

manet = import ./nix/manet.nix { inherit pkgs; };

manet-fstack = import ./nix/manet.nix { inherit pkgs; useFStack = true; };

python-with-packages = pkgs.python3.withPackages (py-pkgs: [

py-pkgs.jinja2

py-pkgs.lxml

py-pkgs.websockets

]);

in

{

packages = {

default = manet;

inherit manet;

inherit manet-fstack;

};

checks = {

pre-commit = git-hooks.lib.${system}.run {

src = ./.;

hooks = {

actionlint.enable = true;

clang-format.enable = true;

clang-tidy = {

name = "clang-tidy";

enable = true;

entry =

let

# clang-tidy requires the compile_commands.json (from debug):

presets = (

builtins.fromJSON (builtins.readFile ./CMakePresets.json)

).configurePresets;

debugPreset =

builtins.head (builtins.filter (p: p.name == "debug") presets);

# build/debug

buildDir = debugPreset.binaryDir;

# -D{name}={value} for all entries in debugPreset

cmakeFlags = pkgs.lib.concatStringsSep " " (pkgs.lib.mapAttrsToList

(name: value: "-D${name}=${builtins.toString value}")

debugPreset.cacheVariables);

# cmake configure first

script = pkgs.writeShellScriptBin "clang-tidy" ''

set -euo pipefail

${pkgs.cmake}/bin/cmake -S . -B ${buildDir} ${cmakeFlags}

exec ${pkgs.clang-tools}/bin/clang-tidy -p ${buildDir} "$@"

'';

in

"${script}/bin/clang-tidy";

files = "(^CMakePresets\\.json$)|((^|/)CMakeLists\\.txt$)|\\.(c|h|cc|hpp)$";

language = "system";

};

cmake-format.enable = true;

end-of-file-fixer.enable = true;

nixpkgs-fmt.enable = true;

trim-trailing-whitespace.enable = true;

};

};

};

devShells = {

default = pkgs.mkShell {

buildInputs = with pkgs; [

jq

lcov

python-with-packages

self.checks.${system}.pre-commit.enabledPackages

valgrind

];

inputsFrom = [ manet manet-fstack ];

NIX_ENFORCE_NO_NATIVE = 0;

shellHook = ''

ROOT="$(${pkgs.git}/bin/git rev-parse --show-toplevel)"

${self.checks.${system}.pre-commit.shellHook}

'';

};

};

});

}