Add 'third_party/nix/' from commit 'be66c7a6b24e3c3c6157fd37b86c7203d14acf10' r/724

git-subtree-dir: third_party/nix
git-subtree-mainline: cf8cd640c1adf74a3706efbcb0ea4625da106fb2
git-subtree-split: be66c7a6b24e3c3c6157fd37b86c7203d14acf10

1 files changed, 26 insertions, 0 deletions

diff --git a/third_party/nix/tests/import-derivation.nix b/third_party/nix/tests/import-derivation.nix
new file mode 100644
index 000000000000..44fa9a45d7e1
--- /dev/null
+++ b/third_party/nix/tests/import-derivation.nix
@@ -0,0 +1,26 @@
+with import ./config.nix;
+
+let
+
+  bar = mkDerivation {
+    name = "bar";
+    builder = builtins.toFile "builder.sh"
+      ''
+        echo 'builtins.add 123 456' > $out
+      '';
+  };
+
+  value =
+    # Test that pathExists can check the existence of /nix/store paths
+    assert builtins.pathExists bar;
+    import bar;
+
+in
+
+mkDerivation {
+  name = "foo";
+  builder = builtins.toFile "builder.sh"
+    ''
+      echo -n FOO${toString value} > $out
+    '';
+}