Fix mutability check

This commit is contained in:
Eelco Dolstra 2019-04-17 13:54:06 +02:00
parent 939bee06cd
commit 160b974fb0

View file

@ -193,10 +193,11 @@ static FlakeSourceInfo fetchFlake(EvalState & state, const FlakeRef flakeRef, bo
FlakeRef fRef = lookupFlake(state, flakeRef,
impureIsAllowed ? state.getFlakeRegistries() : std::vector<std::shared_ptr<FlakeRegistry>>());
if (evalSettings.pureEval && !impureIsAllowed && !fRef.isImmutable())
throw Error("requested to fetch mutable flake '%s' in pure mode", fRef.to_string());
// This only downloads only one revision of the repo, not the entire history.
if (auto refData = std::get_if<FlakeRef::IsGitHub>(&fRef.data)) {
if (evalSettings.pureEval && !impureIsAllowed && !fRef.isImmutable())
throw Error("requested to fetch FlakeRef '%s' purely, which is mutable", fRef.to_string());
// FIXME: use regular /archive URLs instead? api.github.com
// might have stricter rate limits.