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Use the store path as the context of the result of fetchTree, not the real path

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This commit is contained in:
Madeline Haraj 2021-08-05 21:22:36 -04:00
parent d64f9671fc
commit cb1ffb7789
1 changed files with 4 additions and 3 deletions
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7
src/libexpr/primops/fetchTree.cc
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@ -229,20 +229,21 @@ static void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v,
? fetchers::downloadTarball(state.store, *url, name, (bool) expectedHash).first.storePath ? fetchers::downloadTarball(state.store, *url, name, (bool) expectedHash).first.storePath
: fetchers::downloadFile(state.store, *url, name, (bool) expectedHash).storePath; : fetchers::downloadFile(state.store, *url, name, (bool) expectedHash).storePath;
auto path = state.store->toRealPath(storePath); auto realPath = state.store->toRealPath(storePath);
if (expectedHash) { if (expectedHash) {
auto hash = unpack auto hash = unpack
? state.store->queryPathInfo(storePath)->narHash ? state.store->queryPathInfo(storePath)->narHash
: hashFile(htSHA256, path); : hashFile(htSHA256, realPath);
if (hash != *expectedHash) if (hash != *expectedHash)
throw Error((unsigned int) 102, "hash mismatch in file downloaded from '%s':\n specified: %s\n got: %s", throw Error((unsigned int) 102, "hash mismatch in file downloaded from '%s':\n specified: %s\n got: %s",
*url, expectedHash->to_string(Base32, true), hash.to_string(Base32, true)); *url, expectedHash->to_string(Base32, true), hash.to_string(Base32, true));
} }
if (state.allowedPaths) if (state.allowedPaths)
state.allowedPaths->insert(path); state.allowedPaths->insert(realPath);
auto path = state.store->printStorePath(storePath);
mkString(v, path, PathSet({path})); mkString(v, path, PathSet({path}));
} }