flake: Add initial version

Signed-off-by: Otavio Salvador <[email protected]>

flake.nix

@@ -0,0 +1,90 @@
+{
+ inputs = {
+ nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
+
+ flake-parts = {
+ url = "github:hercules-ci/flake-parts";
+ inputs.nixpkgs-lib.follows = "nixpkgs";
+ };
+
+ treefmt-nix = {
+ url = "github:numtide/treefmt-nix";
+ inputs.nixpkgs.follows = "nixpkgs";
+ };
+
+
+ nix-github-actions = {
+ url = "github:nix-community/nix-github-actions";
+ inputs.nixpkgs.follows = "nixpkgs";
+ };
+
+ zephyr-nix = {
+ url = "github:OSSystems/zephyr-nix/pending";
+ inputs.nixpkgs.follows = "nixpkgs";
+ };
+ };
+
+ outputs = inputs@{ flake-parts, ... }:
+ let
+ inherit (inputs.nixpkgs) lib;
+ inherit (inputs) self;
+ in
+ flake-parts.lib.mkFlake { inherit inputs; } {
+ systems = lib.systems.flakeExposed;
+
+ imports = [
+ inputs.treefmt-nix.flakeModule
+ ];
+
+ flake.githubActions = inputs.nix-github-actions.lib.mkGithubMatrix {
+ checks = {
+ inherit (self.checks) x86_64-linux;
+ };
+ };
+
+ perSystem = { config, inputs', pkgs, ... }:
+ let
+ zephyr = inputs'.zephyr-nix.packages;
+ in
+ {
+ treefmt.config = {
+ projectRootFile = "flake.nix";
+
+ programs = {
+ black.enable = true;
+ clang-format = {
+ enable = true;
+ package = pkgs.clang-tools_17;
+ };
+ nixpkgs-fmt.enable = true;
+ shfmt.enable = true;
+ };
+ };
+
+ devShells.default = pkgs.mkShell {
+ inputsFrom = [
+ config.treefmt.build.devShell
+ ];
+
+ packages = [
+ (zephyr.sdk.override {
+ targets = [
+ "arm-zephyr-eabi"
+ ];
+ })
+
+ (zephyr.pythonEnv.override {
+ extraLibs = [
+ zephyr.pythonEnv.pkgs.stringcase
+ ];
+ })
+
+ zephyr.hosttools
+
+ pkgs.cmake
+ pkgs.ninja
+ ];
+ };
+ };
+ };
+}