From 18983db30684d8e652a164cdc1b7a1a90ffea7ec Mon Sep 17 00:00:00 2001
From: Andrew Johnson <andrew.johnson@arjohnsonau.com>
Date: Fri, 24 Jul 2026 21:57:15 +0800
Subject: [PATCH] Pre-run cleanup script for r-devel workaround

---
 .github/workflows/main.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1e743f55f..8ed489f9d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -60,6 +60,9 @@ jobs:
           New-Item -Path "C:\" -Name "tmp" -ItemType Directory
           echo "TMPDIR=c:\tmp" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
 
+      - name: Run StanHeaders cleanup script
+        run: cd StanHeaders && bash -x ./cleanup
+
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
           working-directory: rstan/rstan