diff options
Diffstat (limited to 'src/libexpr/primops.cc')
| -rw-r--r-- | src/libexpr/primops.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc index 9c217b373f9e..70560302ea4c 100644 --- a/src/libexpr/primops.cc +++ b/src/libexpr/primops.cc @@ -388,8 +388,10 @@ static void prim_derivationStrict(EvalState & state, Value * * args, Value & v) if (!useDrvAsSrc && isDerivation(path)) if (explicitlyPassed) drv.inputDrvs[path] = store -> queryDerivationOutputNames(path); - else + else if (drv.inputDrvs.find(path) == drv.inputDrvs.end()) drv.inputDrvs[path] = singleton<StringSet>(output); + else + drv.inputDrvs[path].insert(output); else drv.inputSrcs.insert(path); } |