From cdd6373147ac3af05b072a81070e1b269cb50e7b Mon Sep 17 00:00:00 2001
From: Garry Tan <garrytan@gmail.com>
Date: Mon, 23 Mar 2026 17:32:23 -0700
Subject: [PATCH] fix: mount writable tmpfs /tmp in CI container

Docker --user runner means /tmp (created as root during build) isn't
writable. Bun requires a writable tempdir for any operation including
compilation. Mount a fresh tmpfs at /tmp with exec permissions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 .github/workflows/evals.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/evals.yml b/.github/workflows/evals.yml
index 50b79f21..fb1d26a4 100644
--- a/.github/workflows/evals.yml
+++ b/.github/workflows/evals.yml
@@ -62,7 +62,7 @@ jobs:
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
-      options: --user runner
+      options: --user runner --tmpfs /tmp:exec
     timeout-minutes: 20
     strategy:
       fail-fast: false