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Diffstat (limited to 'src/libexpr/primops/fetchTree.cc')
| -rw-r--r-- | src/libexpr/primops/fetchTree.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libexpr/primops/fetchTree.cc b/src/libexpr/primops/fetchTree.cc index ccb0cacd5..8fa1f1a11 100644 --- a/src/libexpr/primops/fetchTree.cc +++ b/src/libexpr/primops/fetchTree.cc @@ -8,6 +8,8 @@ namespace nix { static void prim_fetchTree(EvalState & state, const Pos & pos, Value * * args, Value & v) { + settings.requireExperimentalFeature("fetch-tree"); + std::shared_ptr<const fetchers::Input> input; PathSet context; |