From c10544fc1923a2f9049c83cf90cf84cdfa50e121 Mon Sep 17 00:00:00 2001
From: wylab <wylab@wylab.me>
Date: Sat, 14 Feb 2026 03:17:05 +0100
Subject: [PATCH] ci: let PR builds write to registry cache

Makes merge builds near-instant since PR already cached all layers.

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

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index df9a004..8b3acf7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -41,7 +41,7 @@ jobs:
           provenance: false
           platforms: linux/amd64
           cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:buildcache
-          cache-to: ${{ github.event_name != 'pull_request' && format('type=registry,ref={0}/{1}:buildcache,mode=max', env.REGISTRY, env.IMAGE_NAME) || '' }}
+          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:buildcache,mode=max
           push: ${{ github.event_name != 'pull_request' }}
           tags: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest