aa7dd0b596
nix-build failed because the tests assume to run in a CWD equal to the project root, which is not the case in the derivation build. This commit fixes it by not using hacky `..` references to paths, and instead uses NIX_PATH for all implicit Nix testing path dependencies. Also the root of the `lib` path gets passed in from the `default.nix` file, so all the relative path handling is done by Nix during evaluation already, and in the Nix store when possible.
56 lines
1.5 KiB
Nix
56 lines
1.5 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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}:
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let
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runtimeExprPath = ./src/eval.nix;
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nixpkgsLibPath = ../../../lib;
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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 = lib.cleanSource ./.;
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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 = "${runtimeExprPath}";
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# Needed to make Nix evaluation work inside the nix build
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preCheck = ''
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export TEST_ROOT=$(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=$TEST_ROOT/store
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export NIXPKGS_LIB_PATH=${nixpkgsLibPath}
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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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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.NIXPKGS_LIB_PATH = toString nixpkgsLibPath;
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inputsFrom = [ package ];
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};
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};
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in
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package
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