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Merge pull request #13718 from xokdvium/coverage-hydra-job-restore

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hydra: Restore coverage job
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Jörg Thalheim 2025-08-08 11:39:29 +02:00 • committed by GitHub
commit d4c6f24e9f
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2 changed files with 47 additions and 20 deletions
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42
ci/gha/tests/default.nix
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@ -2,6 +2,12 @@
nixFlake ? builtins.getFlake ("git+file://" + toString ../../..),
system ? builtins.currentSystem,
pkgs ? nixFlake.inputs.nixpkgs.legacyPackages.${system},
nixComponents ? (
nixFlake.lib.makeComponents {
inherit pkgs;
inherit getStdenv;
}
),
getStdenv ? p: p.stdenv,
componentTestsPrefix ? "",
withSanitizers ? false,
@ -64,12 +70,7 @@ let
in
rec {
nixComponents =
(nixFlake.lib.makeComponents {
inherit pkgs;
inherit getStdenv;
}).overrideScope
(
nixComponentsInstrumented = nixComponents.overrideScope (
final: prev: {
nix-store-tests = prev.nix-store-tests.override { withBenchmarks = true; };
@ -120,15 +121,15 @@ rec {
lib.concatMapAttrs (testName: test: {
"${componentTestsPrefix}${pkgName}-${testName}" = test;
}) (pkg.tests or { })
) nixComponents)
) nixComponentsInstrumented)
// lib.optionalAttrs (pkgs.stdenv.hostPlatform == pkgs.stdenv.buildPlatform) {
"${componentTestsPrefix}nix-functional-tests" = nixComponents.nix-functional-tests;
"${componentTestsPrefix}nix-functional-tests" = nixComponentsInstrumented.nix-functional-tests;
};
codeCoverage =
let
componentsTestsToProfile =
(builtins.mapAttrs (n: v: nixComponents.${n}.tests.run) {
(builtins.mapAttrs (n: v: nixComponentsInstrumented.${n}.tests.run) {
"nix-util-tests" = { };
"nix-store-tests" = { };
"nix-fetchers-tests" = { };
@ -136,7 +137,7 @@ rec {
"nix-flake-tests" = { };
})
// {
inherit (nixComponents) nix-functional-tests;
inherit (nixComponentsInstrumented) nix-functional-tests;
};
coverageProfileDrvs = lib.mapAttrs (
@ -170,12 +171,13 @@ rec {
coverageReports =
let
nixComponentDrvs = lib.filter (lib.isDerivation) (lib.attrValues nixComponents);
nixComponentDrvs = lib.filter (lib.isDerivation) (lib.attrValues nixComponentsInstrumented);
in
pkgs.runCommand "code-coverage-report"
{
nativeBuildInputs = [
pkgs.llvmPackages.libllvm
pkgs.jq
];
__structuredAttrs = true;
nixComponents = nixComponentDrvs;
@ -201,6 +203,24 @@ rec {
echo
} >> $out/index.txt
llvm-cov export $arguments -instr-profile ${mergedProfdata} -format=text > $out/coverage.json
mkdir -p $out/nix-support
coverageTotals=$(jq ".data[0].totals" $out/coverage.json)
# Mostly inline from pkgs/build-support/setup-hooks/make-coverage-analysis-report.sh [1],
# which we can't use here, because we rely on LLVM's infra for source code coverage collection.
# [1]: https://github.com/NixOS/nixpkgs/blob/67bb48c4c8e327417d6d5aa7e538244b209e852b/pkgs/build-support/setup-hooks/make-coverage-analysis-report.sh#L16
declare -A metricsArray=(["lineCoverage"]="lines" ["functionCoverage"]="functions" ["branchCoverage"]="branches")
for metricName in "''\${!metricsArray[@]}"; do
key="''\${metricsArray[$metricName]}"
metric=$(echo "$coverageTotals" | jq ".$key.percent * 10 | round / 10")
echo "$metricName $metric %" >> $out/nix-support/hydra-metrics
done
echo "report coverage $out" >> $out/nix-support/hydra-build-products
'';
in
assert withCoverage;

15
packaging/hydra.nix
View file

@ -223,10 +223,17 @@ in
dockerImage = lib.genAttrs linux64BitSystems (system: self.packages.${system}.dockerImage);
# # Line coverage analysis.
# coverage = nixpkgsFor.x86_64-linux.native.nix.override {
# pname = "nix-coverage";
# withCoverageChecks = true;
# };
coverage =
(import ./../ci/gha/tests rec {
withCoverage = true;
pkgs = nixpkgsFor.x86_64-linux.nativeForStdenv.clangStdenv;
nixComponents = pkgs.nixComponents2;
nixFlake = null;
getStdenv = p: p.clangStdenv;
}).codeCoverage.coverageReports.overrideAttrs
{
name = "nix-coverage"; # For historical consistency
};
# Nix's manual
manual = nixpkgsFor.x86_64-linux.native.nixComponents2.nix-manual;