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Merge pull request #96 from tweag/support-chroot-store

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Make flakes work with 'nix build --store ...'
This commit is contained in:
Eelco Dolstra 2019-05-16 10:51:40 +02:00 • committed by GitHub
commit b531695331
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5 changed files with 14 additions and 8 deletions
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2
src/libstore/download.cc
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@ -804,6 +804,7 @@ CachedDownloadResult Downloader::downloadCached(ref<Store> store, const string &
expectedStorePath = store->makeFixedOutputPath(unpack, expectedHash, name);
if (store->isValidPath(expectedStorePath)) {
CachedDownloadResult result;
result.storePath = expectedStorePath;
result.path = store->toRealPath(expectedStorePath);
return result;
}
@ -912,6 +913,7 @@ CachedDownloadResult Downloader::downloadCached(ref<Store> store, const string &
url, expectedHash.to_string(), gotHash.to_string());
}
result.storePath = storePath;
result.path = store->toRealPath(storePath);
return result;
}

3
src/libstore/download.hh
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@ -43,6 +43,9 @@ struct DownloadResult
struct CachedDownloadResult
{
// Note: 'storePath' may be different from 'path' when using a
// chroot store.
Path storePath;
Path path;
std::optional<std::string> etag;
};