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Merge "nix3-build: show all FOD errors with --keep-going" into main

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Maximilian Bosch 2024-05-15 18:46:06 +00:00 committed by Gerrit Code Review
parent 0903a99bad e146393183
commit aabc902040
4 changed files with 111 additions and 4 deletions
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6
doc/manual/rl-next/consistent-nix-build.md Normal file
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@ -0,0 +1,6 @@
---
synopsis: Show all FOD errors with `nix build --keep-going`
---
`nix build --keep-going` now behaves consistently with `nix-build --keep-going`. This means
that if e.g. multiple FODs fail to build, all hash mismatches are displayed.

38
src/libcmd/installables.cc
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@ -547,6 +547,37 @@ std::vector<BuiltPathWithResult> Installable::build(
return res;
}
static void throwBuildErrors(
std::vector<KeyedBuildResult> & buildResults,
const Store & store)
{
std::vector<KeyedBuildResult> failed;
for (auto & buildResult : buildResults) {
if (!buildResult.success()) {
failed.push_back(buildResult);
}
}
auto failedResult = failed.begin();
if (failedResult != failed.end()) {
if (failed.size() == 1) {
failedResult->rethrow();
} else {
StringSet failedPaths;
for (; failedResult != failed.end(); failedResult++) {
if (!failedResult->errorMsg.empty()) {
logError(ErrorInfo{
.level = lvlError,
.msg = failedResult->errorMsg,
});
}
failedPaths.insert(failedResult->path.to_string(store));
}
throw Error("build of %s failed", concatStringsSep(", ", quoteStrings(failedPaths)));
}
}
}
std::vector<std::pair<ref<Installable>, BuiltPathWithResult>> Installable::build2(
ref<Store> evalStore,
ref<Store> store,
@ -608,10 +639,9 @@ std::vector<std::pair<ref<Installable>, BuiltPathWithResult>> Installable::build
if (settings.printMissing)
printMissing(store, pathsToBuild, lvlInfo);
for (auto & buildResult : store->buildPathsWithResults(pathsToBuild, bMode, evalStore)) {
if (!buildResult.success())
buildResult.rethrow();
auto buildResults = store->buildPathsWithResults(pathsToBuild, bMode, evalStore);
throwBuildErrors(buildResults, *store);
for (auto & buildResult : buildResults) {
for (auto & aux : backmap[buildResult.path]) {
std::visit(overloaded {
[&](const DerivedPath::Built & bfd) {

32
tests/functional/build.sh
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@ -133,3 +133,35 @@ nix build --impure -f multiple-outputs.nix --json e --no-link | jq --exit-status
# Make sure that `--stdin` works and does not apply any defaults
printf "" | nix build --no-link --stdin --json | jq --exit-status '. == []'
printf "%s\n" "$drv^*" | nix build --no-link --stdin --json | jq --exit-status '.[0]|has("drvPath")'
# --keep-going and FOD
out="$(nix build -f fod-failing.nix -L 2>&1)" && status=0 || status=$?
test "$status" = 1
# one "hash mismatch" error, one "build of ... failed"
test "$(<<<"$out" grep -E '^error:' | wc -l)" = 2
<<<"$out" grepQuiet -E "hash mismatch in fixed-output derivation '.*-x1\\.drv'"
<<<"$out" grepQuiet -vE "hash mismatch in fixed-output derivation '.*-x3\\.drv'"
<<<"$out" grepQuiet -vE "hash mismatch in fixed-output derivation '.*-x2\\.drv'"
<<<"$out" grepQuiet -E "error: build of '.*-x[1-4]\\.drv\\^out', '.*-x[1-4]\\.drv\\^out', '.*-x[1-4]\\.drv\\^out', '.*-x[1-4]\\.drv\\^out' failed"
out="$(nix build -f fod-failing.nix -L x1 x2 x3 --keep-going 2>&1)" && status=0 || status=$?
test "$status" = 1
# three "hash mismatch" errors - for each failing fod, one "build of ... failed"
test "$(<<<"$out" grep -E '^error:' | wc -l)" = 4
<<<"$out" grepQuiet -E "hash mismatch in fixed-output derivation '.*-x1\\.drv'"
<<<"$out" grepQuiet -E "hash mismatch in fixed-output derivation '.*-x3\\.drv'"
<<<"$out" grepQuiet -E "hash mismatch in fixed-output derivation '.*-x2\\.drv'"
<<<"$out" grepQuiet -E "error: build of '.*-x[1-3]\\.drv\\^out', '.*-x[1-3]\\.drv\\^out', '.*-x[1-3]\\.drv\\^out' failed"
out="$(nix build -f fod-failing.nix -L x4 2>&1)" && status=0 || status=$?
test "$status" = 1
test "$(<<<"$out" grep -E '^error:' | wc -l)" = 2
<<<"$out" grepQuiet -E "error: 1 dependencies of derivation '.*-x4\\.drv' failed to build"
<<<"$out" grepQuiet -E "hash mismatch in fixed-output derivation '.*-x2\\.drv'"
out="$(nix build -f fod-failing.nix -L x4 --keep-going 2>&1)" && status=0 || status=$?
test "$status" = 1
test "$(<<<"$out" grep -E '^error:' | wc -l)" = 3
<<<"$out" grepQuiet -E "error: 2 dependencies of derivation '.*-x4\\.drv' failed to build"
<<<"$out" grepQuiet -vE "hash mismatch in fixed-output derivation '.*-x3\\.drv'"
<<<"$out" grepQuiet -vE "hash mismatch in fixed-output derivation '.*-x2\\.drv'"

39
tests/functional/fod-failing.nix Normal file
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@ -0,0 +1,39 @@
with import ./config.nix;
rec {
x1 = mkDerivation {
name = "x1";
builder = builtins.toFile "builder.sh"
''
echo $name > $out
'';
outputHashMode = "recursive";
outputHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
};
x2 = mkDerivation {
name = "x2";
builder = builtins.toFile "builder.sh"
''
echo $name > $out
'';
outputHashMode = "recursive";
outputHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
};
x3 = mkDerivation {
name = "x3";
builder = builtins.toFile "builder.sh"
''
echo $name > $out
'';
outputHashMode = "recursive";
outputHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
};
x4 = mkDerivation {
name = "x4";
inherit x2 x3;
builder = builtins.toFile "builder.sh"
''
echo $x2 $x3
exit 1
'';
};
}