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Compute new store path correctly

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This commit is contained in:
Matthew Bauer 2020-06-12 14:03:17 -05:00
parent 1c55f16a16
commit 2f2ac850b5
1 changed files with 21 additions and 12 deletions
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33
src/libstore/local-store.cc
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@ -859,19 +859,28 @@ void LocalStore::querySubstitutablePathInfos(const StorePathSet & paths,
{ {
if (!settings.useSubstitutes) return; if (!settings.useSubstitutes) return;
for (auto & sub : getDefaultSubstituters()) { for (auto & sub : getDefaultSubstituters()) {
for (auto & path_ : paths) { for (auto & path : paths) {
auto path(path_.clone()); auto subPath(path.clone());
debug("checking substituter '%s' for path '%s'", sub->getUri(), printStorePath(path));
try {
auto info = sub->queryPathInfo(path);
auto ca = pathsCA.find(printStorePath(path)); auto ca_ = pathsCA.find(printStorePath(path));
if (info->references.empty() && ca != pathsCA.end()) { // recompute store path so that we can use a different store root
if (!hasPrefix(ca->second, "fixed:")) if (ca_ != pathsCA.end()) {
continue; auto ca(ca_->second);
// recompute store path so that we can use a different store path if (!hasPrefix(ca, "fixed:"))
path = sub->makeStorePath("output:out", hashString(htSHA256, ca->second), path.name()); continue;
} else if (sub->storeDir != storeDir) continue; FileIngestionMethod ingestionMethod { ca.compare(6, 2, "r:") == 0 };
Hash hash(std::string(ca, ingestionMethod == FileIngestionMethod::Recursive ? 8 : 6));
subPath = makeFixedOutputPath(ingestionMethod, hash, path.name());
if (subPath != path)
debug("replaced path '%s' with '%s' for substituter '%s'", printStorePath(path), sub->printStorePath(subPath), sub->getUri());
} else if (sub->storeDir != storeDir) continue;
debug("checking substituter '%s' for path '%s'", sub->getUri(), sub->printStorePath(subPath));
try {
auto info = sub->queryPathInfo(subPath);
if (sub->storeDir != storeDir && !info->isContentAddressed(*sub))
continue;
auto narInfo = std::dynamic_pointer_cast<const NarInfo>( auto narInfo = std::dynamic_pointer_cast<const NarInfo>(
std::shared_ptr<const ValidPathInfo>(info)); std::shared_ptr<const ValidPathInfo>(info));