From a14a48b154683f95b61785ec7f18a68dab74d49e Mon Sep 17 00:00:00 2001
From: "mendral-app[bot]" <233154221+mendral-app[bot]@users.noreply.github.com>
Date: Thu, 11 Jun 2026 14:08:15 -0700
Subject: [PATCH] fix: filter matrix to directories only in generate-matrix
 step

The jq filter now checks .type == "directory" instead of just .name,
preventing non-directory entries like hub/node-test.py from being
included in the build matrix and causing Docker buildx failures.
---
 .github/workflows/build.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 804e8a9..5f49f47 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -257,7 +257,7 @@ jobs:
         run: |
 
           # Get list of all Sandbox files
-          all_sandboxes=$(tree -J -L 1 hub | jq -c '.[0].contents | map(select(.name) | .name)')
+          all_sandboxes=$(tree -J -L 1 hub | jq -c '.[0].contents | map(select(.type == "directory") | .name)')
 
 
           if [[ "${{ inputs.sandbox }}" == "all" ]]; then