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Simplify the fetcher cache

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This commit is contained in:
Eelco Dolstra 2024-04-10 20:59:18 +02:00
parent d084c1cb41
commit aad11f4496
8 changed files with 187 additions and 173 deletions
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7
src/libfetchers/git-utils.cc
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@ -456,14 +456,15 @@ struct GitRepoImpl : GitRepo, std::enable_shared_from_this<GitRepoImpl>
{
auto accessor = getAccessor(treeHash, false);
fetchers::Attrs cacheKey({{"_what", "treeHashToNarHash"}, {"treeHash", treeHash.gitRev()}});
auto domain = "treeHashToNarHash";
fetchers::Attrs cacheKey({{"treeHash", treeHash.gitRev()}});
if (auto res = fetchers::getCache()->lookup(cacheKey))
if (auto res = fetchers::getCache()->lookup(domain, cacheKey))
return Hash::parseAny(fetchers::getStrAttr(*res, "narHash"), HashAlgorithm::SHA256);
auto narHash = accessor->hashPath(CanonPath::root);
fetchers::getCache()->upsert(cacheKey, fetchers::Attrs({{"narHash", narHash.to_string(HashFormat::SRI, true)}}));
fetchers::getCache()->upsert(domain, cacheKey, fetchers::Attrs({{"narHash", narHash.to_string(HashFormat::SRI, true)}}));
return narHash;
}