2dd7f0e8b9
This avoids the need for a bunch of Rust code, but also enables us to fairly easily make all the Nixpkgs tests evaluatable within the nix-shell
83 lines
2.2 KiB
Nix
83 lines
2.2 KiB
Nix
{
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lib,
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rustPlatform,
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nix,
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rustfmt,
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clippy,
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mkShell,
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makeWrapper,
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runCommand,
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}:
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let
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runtimeExprPath = ./src/eval.nix;
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nixpkgsLibPath = ../../../lib;
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testNixpkgsPath = ./tests/mock-nixpkgs.nix;
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# Needed to make Nix evaluation work inside nix builds
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initNix = ''
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export TEST_ROOT=$(pwd)/test-tmp
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export NIX_CONF_DIR=$TEST_ROOT/etc
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export NIX_LOCALSTATE_DIR=$TEST_ROOT/var
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export NIX_LOG_DIR=$TEST_ROOT/var/log/nix
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export NIX_STATE_DIR=$TEST_ROOT/var/nix
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export NIX_STORE_DIR=$TEST_ROOT/store
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# Ensure that even if tests run in parallel, we don't get an error
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# We'd run into https://github.com/NixOS/nix/issues/2706 unless the store is initialised first
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nix-store --init
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'';
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fs = lib.fileset;
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package =
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rustPlatform.buildRustPackage {
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name = "nixpkgs-check-by-name";
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src = fs.toSource {
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root = ./.;
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fileset = fs.unions [
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./Cargo.lock
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./Cargo.toml
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./src
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./tests
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];
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};
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cargoLock.lockFile = ./Cargo.lock;
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nativeBuildInputs = [
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nix
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rustfmt
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clippy
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makeWrapper
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];
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env.NIX_CHECK_BY_NAME_EXPR_PATH = "${runtimeExprPath}";
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env.NIX_PATH = "test-nixpkgs=${testNixpkgsPath}:test-nixpkgs/lib=${nixpkgsLibPath}";
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preCheck = initNix;
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postCheck = ''
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cargo fmt --check
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cargo clippy -- -D warnings
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'';
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postInstall = ''
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wrapProgram $out/bin/nixpkgs-check-by-name \
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--set NIX_CHECK_BY_NAME_EXPR_PATH "$NIX_CHECK_BY_NAME_EXPR_PATH"
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'';
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passthru.shell = mkShell {
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env.NIX_CHECK_BY_NAME_EXPR_PATH = toString runtimeExprPath;
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env.NIX_PATH = "test-nixpkgs=${toString testNixpkgsPath}:test-nixpkgs/lib=${toString nixpkgsLibPath}";
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inputsFrom = [ package ];
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};
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# Tests the tool on the current Nixpkgs tree, this is a good sanity check
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passthru.tests.nixpkgs = runCommand "test-nixpkgs-check-by-name" {
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nativeBuildInputs = [
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package
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nix
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];
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nixpkgsPath = lib.cleanSource ../../..;
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} ''
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${initNix}
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nixpkgs-check-by-name --base "$nixpkgsPath" "$nixpkgsPath"
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touch $out
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'';
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};
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in
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package
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