From 3b76f8f252c12fbeb49aa2f6f695b4622e9fcc5d Mon Sep 17 00:00:00 2001
From: regnat <rg@regnat.ovh>
Date: Fri, 19 Feb 2021 18:02:26 +0100
Subject: [PATCH] Ensure that the ca-derivations bit is set when copying
 realisations

This should already hold, but better ensure it for future-proof-nees
---
 src/libstore/store-api.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libstore/store-api.cc b/src/libstore/store-api.cc
index ac1d8ee2c..db84ec7a2 100644
--- a/src/libstore/store-api.cc
+++ b/src/libstore/store-api.cc
@@ -786,6 +786,7 @@ void copyStorePath(ref<Store> srcStore, ref<Store> dstStore,
 std::map<StorePath, StorePath> copyPaths(ref<Store> srcStore, ref<Store> dstStore, const RealisedPath::Set & paths,
     RepairFlag repair, CheckSigsFlag checkSigs, SubstituteFlag substitute)
 {
+    settings.requireExperimentalFeature("ca-derivations");
     StorePathSet storePaths;
     std::set<Realisation> realisations;
     for (auto path : paths) {