* A test to verify that Nix executes build jobs in parallel, if

possible.

  This test fails right now because this hasn't been implemented right
  now.  Yes, I'm doing Test-Driven Development! ;-)

tests/parallel.nix.in

@@ -0,0 +1,19 @@
+let {
+
+  mkDrv = text: inputs: derivation {
+    name = "parallel";
+    system = "@system@";
+    builder = "@shell@";
+    args = ["-e" "-x" ./parallel.builder.sh];
+    shared = "@extra1@";
+    inherit text inputs;
+  };
+
+  a = mkDrv "a" [];
+  b = mkDrv "b" [a];
+  c = mkDrv "c" [b];
+  d = mkDrv "d" [c];
+  e = mkDrv "e" [b c d];
+
+  body = e;
+}