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-rw-r--r--tests/binary-cache.sh14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/binary-cache.sh b/tests/binary-cache.sh
index ed947a6620d5..71ede03c8320 100644
--- a/tests/binary-cache.sh
+++ b/tests/binary-cache.sh
@@ -40,6 +40,20 @@ nix-store --check-validity $outPath
 nix-store -qR $outPath | grep input-2
 
 
+# Test whether Nix notices if the NAR doesn't match the hash in the NAR info.
+clearStore
+
+nar=$(ls $cacheDir/*.nar.xz | head -n1)
+mv $nar $nar.good
+mkdir -p $TEST_ROOT/empty
+nix-store --dump $TEST_ROOT/empty | xz > $nar
+
+nix-build --option binary-caches "file://$cacheDir" dependencies.nix -o $TEST_ROOT/result 2>&1 | tee $TEST_ROOT/log
+grep -q "hash mismatch in downloaded path" $TEST_ROOT/log
+
+mv $nar.good $nar
+
+
 # Test whether this unsigned cache is rejected if the user requires signed caches.
 clearStore