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builtins.readFile: Propagate path context

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Co-authored-by: Shea Levy <shea@shealevy.com>
This commit is contained in:
Nikolay Amiantov 2016-03-04 13:47:19 +03:00
parent 6d7844695b
commit c66865dff1
1 changed files with 5 additions and 1 deletions
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6
src/libexpr/primops.cc
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@ -1470,7 +1470,11 @@ static void prim_readFile(EvalState & state, const Pos & pos, Value * * args, Va
string s = readFile(path); string s = readFile(path);
if (s.find((char) 0) != string::npos) if (s.find((char) 0) != string::npos)
throw Error("the contents of the file '%1%' cannot be represented as a Nix string", path); throw Error("the contents of the file '%1%' cannot be represented as a Nix string", path);
v.mkString(s); auto refs = state.store->isInStore(path) ?
state.store->queryPathInfo(state.store->toStorePath(path).first)->references :
StorePathSet{};
auto context = state.store->printStorePathSet(refs);
v.mkString(s, context);
} }
static RegisterPrimOp primop_readFile({ static RegisterPrimOp primop_readFile({