processor/flake.nix

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2022-08-22 17:09:07 +02:00
{
description = "A simple payment processor";
inputs = {
flake-utils = {
type = "github";
owner = "numtide";
repo = "flake-utils";
ref = "master";
};
naersk = {
type = "github";
owner = "nix-community";
repo = "naersk";
ref = "master";
inputs = {
nixpkgs.follows = "nixpkgs";
};
};
nixpkgs = {
type = "github";
owner = "NixOS";
repo = "nixpkgs";
ref = "nixpkgs-unstable";
};
pre-commit-hooks = {
type = "github";
owner = "cachix";
repo = "pre-commit-hooks.nix";
ref = "master";
inputs = {
flake-utils.follows = "flake-utils";
nixpkgs.follows = "nixpkgs";
};
};
rust-overlay = {
type = "github";
owner = "oxalica";
repo = "rust-overlay";
ref = "master";
inputs = {
flake-utils.follows = "flake-utils";
nixpkgs.follows = "nixpkgs";
};
};
};
outputs =
{ self
, flake-utils
, naersk
, nixpkgs
, pre-commit-hooks
, rust-overlay
}:
let
inherit (flake-utils.lib) eachSystem system;
mySystems = [
system.aarch64-linux
system.x86_64-darwin
system.x86_64-linux
];
eachMySystem = eachSystem mySystems;
in
eachMySystem (system:
let
overlays = [ (import rust-overlay) ];
pkgs = import nixpkgs { inherit overlays system; };
my-rust = pkgs.rust-bin.stable.latest.default.override {
extensions = [ "rust-src" ];
};
naersk-lib = naersk.lib."${system}".override {
cargo = my-rust;
rustc = my-rust;
};
inherit (pkgs) lib;
pre-commit =
let
# See https://github.com/cachix/pre-commit-hooks.nix/issues/126
rust-env = pkgs.buildEnv {
name = "rust-env";
buildInputs = [ pkgs.makeWrapper ];
paths = [ my-rust ];
pathsToLink = [ "/" "/bin" ];
postBuild = ''
for i in $out/bin/*; do
wrapProgram "$i" --prefix PATH : "$out/bin"
done
'';
};
in
pre-commit-hooks.lib.${system}.run {
src = self;
hooks = {
clippy = {
enable = true;
entry = lib.mkForce "${rust-env}/bin/cargo-clippy clippy";
};
nixpkgs-fmt = {
enable = true;
};
rustfmt = {
enable = true;
entry = lib.mkForce "${rust-env}/bin/cargo-fmt fmt -- --check --color always";
};
};
};
in
rec {
devShells = {
default = pkgs.mkShell {
inputsFrom = [
packages.processor
];
nativeBuildInputs = with pkgs; [
rust-analyzer
# Clippy, rustfmt, etc...
my-rust
];
inherit (pre-commit) shellHook;
RUST_SRC_PATH = "${my-rust}/lib/rustlib/src/rust/library";
};
};
packages = {
default = self.packages."${system}".processor;
processor = naersk-lib.buildPackage {
src = self;
doCheck = true;
passthru = {
inherit my-rust;
};
};
};
});
}