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-rw-r--r--perl/lib/Nix/Store.xs7
1 files changed, 5 insertions, 2 deletions
diff --git a/perl/lib/Nix/Store.xs b/perl/lib/Nix/Store.xs
index 4e038866e..8546f6307 100644
--- a/perl/lib/Nix/Store.xs
+++ b/perl/lib/Nix/Store.xs
@@ -303,11 +303,14 @@ SV * derivationFromPath(char * drvPath)
hash = newHV();
HV * outputs = newHV();
- for (auto & i : drv.outputsAndPaths(*store()))
+ for (auto & i : drv.outputsAndOptPaths(*store())) {
hv_store(
outputs, i.first.c_str(), i.first.size(),
- newSVpv(store()->printStorePath(i.second.second).c_str(), 0),
+ !i.second.second
+ ? newSV(0) /* null value */
+ : newSVpv(store()->printStorePath(*i.second.second).c_str(), 0),
0);
+ }
hv_stores(hash, "outputs", newRV((SV *) outputs));
AV * inputDrvs = newAV();