Add 'third_party/nix/' from commit 'be66c7a6b24e3c3c6157fd37b86c7203d14acf10'

git-subtree-dir: third_party/nix
git-subtree-mainline: cf8cd640c1
git-subtree-split: be66c7a6b24e3c3c6157fd37b86c7203d14acf10

third_party/nix/tests/secure-drv-outputs.nix

@@ -0,0 +1,23 @@
+with import ./config.nix;
+
+{
+
+  good = mkDerivation {
+    name = "good";
+    builder = builtins.toFile "builder"
+      ''
+        mkdir $out
+        echo > $out/good
+      '';
+  };
+
+  bad = mkDerivation {
+    name = "good";
+    builder = builtins.toFile "builder"
+      ''
+        mkdir $out
+        echo > $out/bad
+      '';
+  };
+
+}