iso7010-a-day/flake.nix

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2021-10-24 13:36:13 +01:00
{
description = "My cute Rust crate!";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
naersk.url = "github:nmattia/naersk";
naersk.inputs.nixpkgs.follows = "nixpkgs";
};
outputs = { self, nixpkgs, naersk }:
let
cargoToml = (builtins.fromTOML (builtins.readFile ./Cargo.toml));
supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" ];
forAllSystems = f: nixpkgs.lib.genAttrs supportedSystems (system: f system);
in
{
overlay = final: prev: {
"${cargoToml.package.name}" = final.callPackage ./. { inherit naersk; };
};
packages = forAllSystems (system:
let
pkgs = import nixpkgs {
inherit system;
overlays = [
self.overlay
];
};
in
{
"${cargoToml.package.name}" = pkgs."${cargoToml.package.name}";
});
defaultPackage = forAllSystems (system: (import nixpkgs {
inherit system;
overlays = [ self.overlay ];
})."${cargoToml.package.name}");
checks = forAllSystems (system:
let
pkgs = import nixpkgs {
inherit system;
overlays = [
self.overlay
];
};
in
{
format = pkgs.runCommand "check-format"
{
buildInputs = with pkgs; [ rustfmt cargo ];
} ''
${pkgs.rustfmt}/bin/cargo-fmt fmt --manifest-path ${./.}/Cargo.toml -- --check
${pkgs.nixpkgs-fmt}/bin/nixpkgs-fmt --check ${./.}
touch $out # it worked!
'';
"${cargoToml.package.name}" = pkgs."${cargoToml.package.name}";
});
devShell = forAllSystems (system:
let
pkgs = import nixpkgs {
inherit system;
overlays = [ self.overlay ];
};
in
pkgs.mkShell {
inputsFrom = with pkgs; [
pkgs."${cargoToml.package.name}"
];
buildInputs = with pkgs; [
rustfmt
nixpkgs-fmt
];
LIBCLANG_PATH = "${pkgs.llvmPackages.libclang.lib}/lib";
});
};
}