From 7fdbc064d8962087f3194b5af0410e2af7231b8b Mon Sep 17 00:00:00 2001
From: Alex Gherghisan <alexghr@users.noreply.github.com>
Date: Tue, 26 May 2026 20:04:33 +0000
Subject: [PATCH] fix: honour BB_BINARY_PATH

---
 barretenberg/ts/src/bb_backends/node/platform.ts | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/barretenberg/ts/src/bb_backends/node/platform.ts b/barretenberg/ts/src/bb_backends/node/platform.ts
index adc92efff1bc..d312cc43ad15 100644
--- a/barretenberg/ts/src/bb_backends/node/platform.ts
+++ b/barretenberg/ts/src/bb_backends/node/platform.ts
@@ -83,7 +83,8 @@ export function detectPlatform(): Platform | null {
  *
  * Search order:
  * 1. If customPath is provided and exists, return it
- * 2. Otherwise search in <package-root>/build/<platform>/bb
+ * 2. If BB_BINARY_PATH is set and exists, return it
+ * 3. Otherwise search in <package-root>/build/<platform>/bb
  */
 export function findBbBinary(customPath?: string): string | null {
   // Check custom path first if provided
@@ -95,6 +96,14 @@ export function findBbBinary(customPath?: string): string | null {
     return null;
   }
 
+  const envPath = process.env.BB_BINARY_PATH;
+  if (envPath) {
+    if (fs.existsSync(envPath)) {
+      return path.resolve(envPath);
+    }
+    return null;
+  }
+
   // Automatic detection
   const platform = detectPlatform();
   if (!platform) {