diff options
| -rw-r--r-- | src/libexpr/primops/flake.cc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/libexpr/primops/flake.cc b/src/libexpr/primops/flake.cc index 296db3f92..0bf666a98 100644 --- a/src/libexpr/primops/flake.cc +++ b/src/libexpr/primops/flake.cc @@ -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. |