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kitchen-md/flake.nix
alexion fdede89e0c feat: add flake app, dev shell, direnv, and checks
Layer the remaining flake outputs onto the build: a default app pointing at
the compiled binary, a dev shell exposing the pinned Bun, biome, and bun2nix,
a `use flake` .envrc for direnv, and a checks set aggregating the Bun test
tiers, a build-seam smoke check against the Nix-built binary, and biome lint
through the treefmt-nix flake-parts module.

The dev shell and the build share the one pinned nixpkgs-bun input so Bun
cannot drift between them. treefmt's biome reuses the repo's biome.json with
VCS disabled for the sandbox, and packages/core/src/index_test.ts is
reformatted by biome so the new lint gate is green.
2026-07-25 22:28:10 -04:00

105 lines
3.1 KiB
Nix

{
description = "kitchen the KitchenMD CLI, packaged as a Nix flake";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
# The single pinned Bun, used to compile the binary and to develop against.
# It is held apart from `nixpkgs` so a `nixpkgs` update cannot pull in a Bun
# release that emits empty binaries under sandboxed native compilation.
nixpkgs-bun.url = "github:nixos/nixpkgs/241313f4e8e508cb9b13278c2b0fa25b9ca27163";
flake-parts.url = "github:hercules-ci/flake-parts";
systems.url = "github:nix-systems/x86_64-linux";
bun2nix = {
url = "github:nix-community/bun2nix?ref=2.1.2";
# Compile against the pinned Bun rather than `nixpkgs`'s.
inputs.nixpkgs.follows = "nixpkgs-bun";
inputs.systems.follows = "systems";
};
treefmt-nix = {
url = "github:numtide/treefmt-nix";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs =
inputs:
inputs.flake-parts.lib.mkFlake { inherit inputs; } {
systems = import inputs.systems;
imports = [ inputs.treefmt-nix.flakeModule ];
perSystem =
{ system, ... }:
let
pkgs = import inputs.nixpkgs {
inherit system;
overlays = [ inputs.bun2nix.overlays.default ];
};
# The Bun from the same pinned `nixpkgs-bun` the build compiles with.
bun = inputs.nixpkgs-bun.legacyPackages.${system}.bun;
kitchen = pkgs.callPackage ./package.nix { };
bunDeps = pkgs.bun2nix.fetchBunDeps { bunNix = ./bun.nix; };
in
{
# Share the overlaid package set with the imported modules.
_module.args.pkgs = pkgs;
packages.default = kitchen;
apps.default = {
type = "app";
program = "${kitchen}/bin/kitchen";
};
devShells.default = pkgs.mkShell {
packages = [
bun
pkgs.biome
pkgs.bun2nix
];
};
treefmt = {
projectRootFile = "flake.nix";
programs.biome = {
enable = true;
# Reuse the repo's biome configuration as the single source.
# The sandboxed check has no git tree, so biome's VCS-ignore
# lookup must be off.
settings = pkgs.lib.recursiveUpdate (pkgs.lib.importJSON ./biome.json) {
vcs.enabled = false;
};
# Skip re-validating the config; biome consumes it directly.
validate.enable = false;
};
};
checks = {
tests = pkgs.bun2nix.mkDerivation {
pname = "kitchen-tests";
inherit (kitchen) version;
src = ./.;
inherit bunDeps;
dontRunLifecycleScripts = true;
dontUseBunBuild = true;
doCheck = true;
installPhase = "touch $out";
};
smoke = pkgs.runCommand "kitchen-smoke" { } ''
${kitchen}/bin/kitchen --help
touch $out
'';
};
};
};
}