From b0c220c02ec584af282b9c7f493e4a4d2e429f8c Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Wed, 10 Jul 2019 10:27:33 +0200 Subject: Check for epochs < 201906 --- src/libexpr/flake/flake.cc | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/libexpr/flake/flake.cc b/src/libexpr/flake/flake.cc index 302549a3c..4f59c61bd 100644 --- a/src/libexpr/flake/flake.cc +++ b/src/libexpr/flake/flake.cc @@ -227,6 +227,8 @@ Flake getFlake(EvalState & state, const FlakeRef & flakeRef) if (auto epoch = vInfo.attrs->get(sEpoch)) { flake.epoch = state.forceInt(*(**epoch).value, *(**epoch).pos); + if (flake.epoch < 201906) + throw Error("flake '%s' has illegal epoch %d", flakeRef, flake.epoch); if (flake.epoch > 201906) throw Error("flake '%s' requires unsupported epoch %d; please upgrade Nix", flakeRef, flake.epoch); } else -- cgit v1.2.3