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-rw-r--r--src/libstore/derivations.hh5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libstore/derivations.hh b/src/libstore/derivations.hh
index 030c86df0..8279a143f 100644
--- a/src/libstore/derivations.hh
+++ b/src/libstore/derivations.hh
@@ -94,6 +94,11 @@ bool derivationIsFixed(DerivationType);
derivation is controlled separately. Never true for non-CA derivations. */
bool derivationIsImpure(DerivationType);
+/* Does the derivation knows its own output paths?
+ * Only true when there's no floating-ca derivation involved in the closure.
+ */
+bool derivationHasKnownOutputPaths(DerivationType);
+
struct BasicDerivation
{
DerivationOutputs outputs; /* keyed on symbolic IDs */