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lockFlake(): Always compute a NAR hash for inputs

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For the top-level flake, we don't need a NAR hash. But for inputs, we
do.

Also, add a test for the lazy behaviour of `nix flake metadata|lock`.
This commit is contained in:
Eelco Dolstra 2025-02-07 14:58:22 +01:00
parent f24ff056cb
commit 9e6b89c92c
7 changed files with 69 additions and 32 deletions
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8
src/libstore/store-api.cc
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@ -214,8 +214,12 @@ StorePath Store::addToStore(
auto sink = sourceToSink([&](Source & source) {
LengthSource lengthSource(source);
storePath = addToStoreFromDump(lengthSource, name, fsm, method, hashAlgo, references, repair);
if (settings.warnLargePathThreshold && lengthSource.total >= settings.warnLargePathThreshold)
warn("copied large path '%s' to the store (%s)", path, renderSize(lengthSource.total));
if (settings.warnLargePathThreshold && lengthSource.total >= settings.warnLargePathThreshold) {
static bool failOnLargePath = getEnv("_NIX_TEST_FAIL_ON_LARGE_PATH").value_or("") == "1";
if (failOnLargePath)
throw Error("won't copy large path '%s' to the store (%d)", path, renderSize(lengthSource.total));
warn("copied large path '%s' to the store (%d)", path, renderSize(lengthSource.total));
}
});
dumpPath(path, *sink, fsm, filter);
sink->finish();