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Make expectedHash optional in prim_path

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This fixes an error found in builtins.path that looks like:

store path mismatch in (possibly filtered) path added from '/private/tmp/nix-shell.CyXViH/nix-test/filter-source/filterin'

when no hash is specified
This commit is contained in:
Matthew Bauer 2020-07-30 16:40:21 -05:00
parent 0bdd6cf6ea
commit cdc2386644
1 changed files with 1 additions and 1 deletions
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2
src/libexpr/primops.cc
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@ -1199,7 +1199,7 @@ static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value
string name;
Value * filterFun = nullptr;
auto method = FileIngestionMethod::Recursive;
Hash expectedHash(htSHA256);
std::optional<Hash> expectedHash;
for (auto & attr : *args[0]->attrs) {
const string & n(attr.name);