From 7902fccf6fa903414703a4eccd2c3514809a0772 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Wed, 13 Jun 2018 18:00:54 +0200
Subject: hashDerivationModulo(): Handle chroot stores

This makes 'nix copy --to /mnt /nix/store/bla.drv' work.
---
 src/libstore/derivations.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/libstore/derivations.cc b/src/libstore/derivations.cc
index 74b861281..1e187ec5e 100644
--- a/src/libstore/derivations.cc
+++ b/src/libstore/derivations.cc
@@ -342,7 +342,7 @@ Hash hashDerivationModulo(Store & store, Derivation drv)
         Hash h = drvHashes[i.first];
         if (!h) {
             assert(store.isValidPath(i.first));
-            Derivation drv2 = readDerivation(i.first);
+            Derivation drv2 = readDerivation(store.toRealPath(i.first));
             h = hashDerivationModulo(store, drv2);
             drvHashes[i.first] = h;
         }
-- 
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