{ lib, rustPlatform, nix, rustfmt, clippy, mkShell, }: let package = rustPlatform.buildRustPackage { name = "nixpkgs-check-by-name"; src = lib.cleanSource ./.; cargoLock.lockFile = ./Cargo.lock; nativeBuildInputs = [ nix rustfmt clippy ]; # Needed to make Nix evaluation work inside the nix build preCheck = '' export TEST_ROOT=$(pwd)/test-tmp export NIX_CONF_DIR=$TEST_ROOT/etc export NIX_LOCALSTATE_DIR=$TEST_ROOT/var export NIX_LOG_DIR=$TEST_ROOT/var/log/nix export NIX_STATE_DIR=$TEST_ROOT/var/nix export NIX_STORE_DIR=$TEST_ROOT/store # cargo tests run in parallel by default, which would then run into # https://github.com/NixOS/nix/issues/2706 unless the store is initialised first nix-store --init ''; postCheck = '' cargo fmt --check cargo clippy -- -D warnings ''; passthru.shell = mkShell { inputsFrom = [ package ]; }; }; in package