diff options
Diffstat (limited to 'src/libexpr/primops.cc')
-rw-r--r-- | src/libexpr/primops.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc index 5a570cefb2fa..93097f3d1bf3 100644 --- a/src/libexpr/primops.cc +++ b/src/libexpr/primops.cc @@ -59,6 +59,8 @@ void EvalState::realiseContext(const PathSet & context) drvs.insert(decoded.first + "!" + decoded.second); } if (!drvs.empty()) { + if (!settings.enableImportFromDerivation) + throw EvalError(format("attempted to realize ‘%1%’ during evaluation but 'allow-import-from-derivation' is false") % *(drvs.begin())); /* For performance, prefetch all substitute info. */ PathSet willBuild, willSubstitute, unknown; unsigned long long downloadSize, narSize; |