From f47f7ce7312945179fd8a4145e47bcf171c8f2ab Mon Sep 17 00:00:00 2001
From: zimbatm <zimbatm@zimbatm.com>
Date: Thu, 18 Jun 2020 00:16:39 +0200
Subject: [PATCH] libstore: display the original hash encoding on mismatch

---
 src/libstore/build.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index ee1dccc7596..5215616d5b2 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -3745,7 +3745,7 @@ void DerivationGoal::registerOutputs()
                 worker.hashMismatch = true;
                 delayedException = std::make_exception_ptr(
                     BuildError("hash mismatch in fixed-output derivation '%s':\n  wanted: %s\n  got:    %s",
-                        worker.store.printStorePath(dest), h.to_string(SRI), h2.to_string(SRI)));
+                        worker.store.printStorePath(dest), h.to_string(h.encoding), h2.to_string(h.encoding)));
 
                 Path actualDest = worker.store.Store::toRealPath(dest);