From d8f1be43c799d729030addc8d8a66ff50c4bd215 Mon Sep 17 00:00:00 2001
From: Bang Lee <qusicx@gmail.com>
Date: Wed, 20 May 2026 12:20:27 -0700
Subject: [PATCH] ci: use vfs to work around manifest generation in github
 actions environment

---
 generate-manifests | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/generate-manifests b/generate-manifests
index 0341b60..8be95fa 100755
--- a/generate-manifests
+++ b/generate-manifests
@@ -8,6 +8,9 @@ image_prefix=${2:-nixpkgs}
 image_tag=${3:-latest}
 system_name=${NIX_SYSTEM_NAME:-x86_64-linux}
 
+# overlayfs is not usable on GitHub Actions runners; fall back to vfs.
+export STORAGE_DRIVER=vfs
+
 releases_json=$(nix-instantiate --strict --argstr system "$system_name" --eval --json)
 
 echo "=== Generating manifests for $registry"