From f35649b7cf0dfcfe2edd607094cb634f04481c1a Mon Sep 17 00:00:00 2001
From: Jaremy Creechley <creechley@gmail.com>
Date: Wed, 10 Jan 2024 16:46:26 +0200
Subject: [PATCH] update build

---
 build.nims | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/build.nims b/build.nims
index 7da60f4..05139a6 100644
--- a/build.nims
+++ b/build.nims
@@ -1,3 +1,4 @@
+import std/os
 
 task genffi, "update the nim ffi bindings":
   exec "cargo install nbindgen"
@@ -10,4 +11,8 @@ task compileCircuits, "compile test circuits":
   exec "circom src/circuit_tests/storer-test.circom --r1cs --wasm -o src/circuit_tests/artifacts"
 
 task tests, "run unit tests":
+  let storerR1cs = fileExists "src/circuit_tests/artifacts/storer-test.r1cs"
+  let storerWasm = fileExists "src/circuit_tests/artifacts/storer-test_js/storer-test.wasm"
+  if not storerR1cs or not storerWasm:
+    compileCircuitsTask()
   exec "nim c -r tests/tffi.nim"