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{
description = "Generate Nix packages from URLs with hash prefetching, dependency inference, license detection, and more";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
fenix = {
url = "github:nix-community/fenix";
inputs.nixpkgs.follows = "nixpkgs";
inputs.rust-analyzer-src.follows = "";
};
flake-parts = {
url = "github:hercules-ci/flake-parts";
inputs.nixpkgs-lib.follows = "nixpkgs";
};
# remove when nurl 0.4.0 is in nixpkgs
nurl = {
url = "github:nix-community/nurl/v0.4.0";
inputs.nixpkgs.follows = "nixpkgs";
};
treefmt-nix = {
url = "github:numtide/treefmt-nix";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs =
inputs@{ flake-parts, ... }:
flake-parts.lib.mkFlake { inherit inputs; } {
systems = [
"aarch64-darwin"
"aarch64-linux"
"x86_64-darwin"
"x86_64-linux"
];
imports = [ inputs.treefmt-nix.flakeModule ];
perSystem =
{
config,
inputs',
lib,
pkgs,
self',
...
}:
{
devShells.default = pkgs.mkShell {
packages = [
inputs'.nurl.packages.default
];
env = {
NIX_INIT_LOG = "nix_init=trace";
RUST_BACKTRACE = true;
};
shellHook = ''
mkdir -p data
ln -sf ${config.packages.get-nix-license} data/get_nix_license.rs
ln -sf ${config.packages.license-store-cache} data/license-store-cache.zstd
'';
};
packages = {
nix-init = pkgs.callPackage ./. {
nurl = inputs'.nurl.packages.default;
inherit (config.packages) get-nix-license license-store-cache;
};
get-nix-license = pkgs.callPackage ./src/get_nix_license.nix { };
license-store-cache = pkgs.callPackage ./license-store-cache { };
default = config.packages.nix-init;
};
checks =
let
packages = lib.mapAttrs' (n: lib.nameValuePair "package-${n}") self'.packages;
devShells = lib.mapAttrs' (n: lib.nameValuePair "devShell-${n}") self'.devShells;
otherChecks = {
clippy = config.packages.nix-init.overrideAttrs (old: {
pname = "nix-init-clippy";
nativeBuildInputs = old.nativeBuildInputs ++ [ pkgs.clippy ];
buildPhase = ''
runHook preBuild
cargo clippy --target ${pkgs.stdenv.targetPlatform.rust.rustcTarget} \
--offline --no-default-features -- -D warnings
runHook postBuild
'';
installPhase = ''
touch $out
'';
});
tests = config.packages.nix-init.overrideAttrs {
pname = "nix-init-tests";
cargoDeps =
let
fixtures = ./src/lang/rust/fixtures;
in
pkgs.symlinkJoin {
name = "cargo-vendor-dir";
paths = lib.pipe fixtures [
builtins.readDir
lib.attrNames
(lib.filter (lib.hasSuffix "-lock.toml"))
(map (lib.path.append fixtures))
(lib.concat [ ./Cargo.lock ])
(map (lockFile: pkgs.rustPlatform.importCargoLock { inherit lockFile; }))
];
};
dontCargoBuild = true;
doCheck = true;
cargoCheckType = "debug";
installPhase = ''
touch $out
'';
};
};
in
packages // devShells // otherChecks;
treefmt = {
programs = {
actionlint.enable = true;
deadnix.enable = true;
deno.enable = true;
nixfmt.enable = true;
rustfmt = {
enable = true;
package = inputs'.fenix.packages.latest.rustfmt;
};
statix.enable = true;
taplo.enable = true;
};
settings.global.excludes = [
"*-lock.toml"
];
};
};
};
}