From 6bdab2074b8fbf156bd8edcbe0c18c3762f3d7ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rub=C3=A9n=20Norte?= <rubennorte@meta.com>
Date: Mon, 26 Oct 2026 07:24:51 -0700
Subject: [PATCH] Upload Fantom build logs in CI

Summary:
Keep native Fantom diagnostics available when compilation fails, since Gradle redirects CMake output into report files.

Changelog: [Internal] Retain Fantom native build logs as CI artifacts.

Differential Revision: D127581211
---
 .github/actions/build-fantom-runner/action.yml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.github/actions/build-fantom-runner/action.yml b/.github/actions/build-fantom-runner/action.yml
index 5a10c9e06957..506f1453eb4b 100644
--- a/.github/actions/build-fantom-runner/action.yml
+++ b/.github/actions/build-fantom-runner/action.yml
@@ -54,6 +54,14 @@ runs:
       env:
         CC: clang
         CXX: clang++
+    - name: Upload Fantom build logs
+      if: ${{ always() }}
+      uses: ./.github/actions/upload-artifact
+      with:
+        name: build-fantom-results
+        compression-level: 1
+        if-no-files-found: ignore
+        path: private/react-native-fantom/build/reports
     - name: Save Fantom ccache
       if: ${{ github.ref == 'refs/heads/main' || contains(github.ref, '-stable') }}
       uses: actions/cache/save@v5