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Merge pull request #18 from nix-community/meta-arg

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Add flag to enable meta
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adisbladis 2022-01-06 00:50:35 +00:00 committed by GitHub
parent 0570194d0a 3268f3a6af
commit 909b7ab4c2
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 26 additions and 15 deletions
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36
src/nix-eval-jobs.cc
View file

@ -34,6 +34,7 @@ struct MyArgs : MixEvalArgs, MixCommonArgs
Path releaseExpr;
Path gcRootsDir;
bool flake = false;
bool meta = false;
size_t nrWorkers = 1;
size_t maxMemorySize = 4096;
pureEval evalMode = evalAuto;
@ -94,6 +95,12 @@ struct MyArgs : MixEvalArgs, MixCommonArgs
.handler = {&flake, true}
});
addFlag({
.longName = "meta",
.description = "include derivation meta field in output",
.handler = {&meta, true}
});
expectArg("expr", &releaseExpr);
}
};
@ -182,21 +189,24 @@ static void worker(
reply["outputs"][out.first] = out.second;
}
nlohmann::json meta;
for (auto & name : drv->queryMetaNames()) {
PathSet context;
std::stringstream ss;
if (myArgs.meta) {
nlohmann::json meta;
for (auto & name : drv->queryMetaNames()) {
PathSet context;
std::stringstream ss;
auto metaValue = drv->queryMeta(name);
// Skip non-serialisable types
// TODO: Fix serialisation of derivations to store paths
if (metaValue == 0) {
continue;
}
auto metaValue = drv->queryMeta(name);
// Skip non-serialisable types
// TODO: Fix serialisation of derivations to store paths
if (metaValue == 0) {
continue;
}
printValueAsJSON(state, true, *metaValue, noPos, ss, context);
nlohmann::json field = nlohmann::json::parse(ss.str());
meta[name] = field;
printValueAsJSON(state, true, *metaValue, noPos, ss, context);
nlohmann::json field = nlohmann::json::parse(ss.str());
meta[name] = field;
}
reply["meta"] = meta;
}
/* Register the derivation as a GC root. !!! This

5
tests/test_eval.py
View file

@ -13,7 +13,7 @@ BIN = PROJECT_ROOT.joinpath("build", "src", "nix-eval-jobs")
def common_test(extra_args: List[str]) -> None:
with TemporaryDirectory() as tempdir:
cmd = [str(BIN), "--gc-roots-dir", tempdir] + extra_args
cmd = [str(BIN), "--gc-roots-dir", tempdir, "--meta"] + extra_args
res = subprocess.run(
cmd,
cwd=TEST_ROOT.joinpath("assets"),
@ -30,11 +30,12 @@ def common_test(extra_args: List[str]) -> None:
assert built_job["name"] == "job1"
assert built_job["outputs"]["out"].startswith("/nix/store")
assert built_job["drvPath"].endswith(".drv")
assert built_job["meta"]['broken'] is False
substituted_job = results[1]
assert substituted_job["attr"] == "substitutedJob"
assert substituted_job["name"].startswith("hello-")
assert substituted_job["meta"]['broken'] is False
def test_flake() -> None: