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Merge pull request #13934 from DeterminateSystems/fix-flake-registry-ignoring-dir-param-upstreaming

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Fix flake registry ignoring `dir` parameter
This commit is contained in:
Eelco Dolstra 2025-09-08 07:50:54 +02:00 • committed by GitHub
commit 12db0726e9
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4 changed files with 25 additions and 4 deletions
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2
src/libfetchers/include/nix/fetchers/input-cache.hh
View file

@ -11,6 +11,7 @@ struct InputCache
ref<SourceAccessor> accessor;
Input resolvedInput;
Input lockedInput;
Attrs extraAttrs;
};
CachedResult getAccessor(ref<Store> store, const Input & originalInput, UseRegistries useRegistries);
@ -19,6 +20,7 @@ struct InputCache
{
Input lockedInput;
ref<SourceAccessor> accessor;
Attrs extraAttrs;
};
virtual std::optional<CachedInput> lookup(const Input & originalInput) const = 0;

5
src/libfetchers/input-cache.cc
View file

@ -22,7 +22,8 @@ InputCache::getAccessor(ref<Store> store, const Input & originalInput, UseRegist
fetched = lookup(resolvedInput);
if (!fetched) {
auto [accessor, lockedInput] = resolvedInput.getAccessor(store);
fetched.emplace(CachedInput{.lockedInput = lockedInput, .accessor = accessor});
fetched.emplace(
CachedInput{.lockedInput = lockedInput, .accessor = accessor, .extraAttrs = extraAttrs});
}
upsert(resolvedInput, *fetched);
} else {
@ -36,7 +37,7 @@ InputCache::getAccessor(ref<Store> store, const Input & originalInput, UseRegist
debug("got tree '%s' from '%s'", fetched->accessor, fetched->lockedInput.to_string());
return {fetched->accessor, resolvedInput, fetched->lockedInput};
return {fetched->accessor, resolvedInput, fetched->lockedInput, fetched->extraAttrs};
}
struct InputCacheImpl : InputCache

5
src/libflake/flake.cc
View file

@ -341,8 +341,9 @@ static Flake getFlake(
// Fetch a lazy tree first.
auto cachedInput = state.inputCache->getAccessor(state.store, originalRef.input, useRegistries);
auto resolvedRef = FlakeRef(std::move(cachedInput.resolvedInput), originalRef.subdir);
auto lockedRef = FlakeRef(std::move(cachedInput.lockedInput), originalRef.subdir);
auto subdir = fetchers::maybeGetStrAttr(cachedInput.extraAttrs, "dir").value_or(originalRef.subdir);
auto resolvedRef = FlakeRef(std::move(cachedInput.resolvedInput), subdir);
auto lockedRef = FlakeRef(std::move(cachedInput.lockedInput), subdir);
// Parse/eval flake.nix to get at the input.self attributes.
auto flake = readFlake(state, originalRef, resolvedRef, lockedRef, {cachedInput.accessor}, lockRootAttrPath);

17
tests/functional/flakes/flakes.sh
View file

@ -470,3 +470,20 @@ cat > "$flake3Dir/flake.nix" <<EOF
EOF
[[ "$(nix flake metadata --json "$flake3Dir" | jq -r .locks.nodes.flake1.locked.rev)" = $prevFlake1Rev ]]
baseDir=$TEST_ROOT/$RANDOM
subdirFlakeDir=$baseDir/foo
mkdir -p "$subdirFlakeDir"
writeSimpleFlake "$baseDir"
cat > "$subdirFlakeDir"/flake.nix <<EOF
{
outputs = inputs: {
shouldBeOne = 1;
};
}
EOF
nix registry add --registry "$registry" flake2 "path:$baseDir?dir=foo"
[[ "$(nix eval --flake-registry "$registry" flake2#shouldBeOne)" = 1 ]]