Refactor build workflow to optimize .next directory handling

Updated the build workflow to use rsync for copying the .next directory while excluding the cache. Removed unnecessary steps for cleaning and copying files.

Author: xc2f

.github/workflows/build-to-branch.yml

@@ -65,27 +65,17 @@ jobs:
           git config user.name "github-actions"
           git config user.email "github-actions@github.com"
 
-          # 保存 .gitignore
-          cp .gitignore /tmp/gitignore.tmp
+          # 拷贝 .next 但排除 cache
+          rsync -av --exclude='cache' .next/ /tmp/next-build
 
           # 切换或创建 build 分支
           git checkout -B build
 
-          # 清空分支（只保留 build 产物）
+          # 清空分支
           git rm -rf .
 
           # 把 build 产物拷进去（按需修改）
-          cp -r .next/* .
-
-          # 清理缓存
-          rm -rf .next/cache
-
-          # 如果你还有 public / package.json / next.config.js
-          # cp -r public .
-          # cp package.json next.config.js .
-
-          # copy .gitignore
-          cp /tmp/gitignore.tmp .gitignore
+          cp -r /tmp/next-build .next
 
           git add .next
           git commit -m "chore: build from $GITHUB_SHA"