ci: split cross build package uploads

.gitea/workflows/build-windows-cross-linux.yml

@@ -121,13 +121,31 @@ jobs:
           (cd dist-windows-cross && 7z a -tzip "${PACKAGE_NAME}.zip" "${PACKAGE_NAME}" >/dev/null)
           (cd dist-windows-cross && sha256sum "${PACKAGE_NAME}.zip" > "${PACKAGE_NAME}.zip.sha256")
 
+          # 当前 Gitea 上传入口约 60 秒会返回 502；大文件按 15 MiB 分片上传。
+          ZIP="dist-windows-cross/${PACKAGE_NAME}.zip"
+          split -b 15M -d -a 3 "$ZIP" "${ZIP}.part-"
+          (cd dist-windows-cross && sha256sum "${PACKAGE_NAME}.zip".part-* > "${PACKAGE_NAME}.zip.parts.sha256")
+          du -h "$ZIP" "${ZIP}".part-*
+
       - name: Verify package
         run: |
           set -euo pipefail
           test -s dist-windows-cross/chengnan-windows-x86_64-cross.zip
+          test -s dist-windows-cross/chengnan-windows-x86_64-cross.zip.part-000
+          test -s dist-windows-cross/chengnan-windows-x86_64-cross.zip.parts.sha256
           (cd dist-windows-cross && sha256sum -c chengnan-windows-x86_64-cross.zip.sha256)
+          (cd dist-windows-cross && sha256sum -c chengnan-windows-x86_64-cross.zip.parts.sha256)
           7z l dist-windows-cross/chengnan-windows-x86_64-cross.zip | grep 'chengnan.exe'
           7z l dist-windows-cross/chengnan-windows-x86_64-cross.zip | grep 'platforms/'
+          python3 - <<'PY'
+          from pathlib import Path
+          limit = 20 * 1024 * 1024
+          for part in Path('dist-windows-cross').glob('chengnan-windows-x86_64-cross.zip.part-*'):
+              size = part.stat().st_size
+              print(part.name, size)
+              if size > limit:
+                  raise SystemExit(f'{part} is too large for the current Gitea upload path')
+          PY
 
       - name: Upload package to Gitea Packages
         env:
@@ -157,6 +175,10 @@ jobs:
               exit 1
             fi
           }
-          upload_file "dist-windows-cross/${PACKAGE_NAME}.zip" "${API_BASE}/${PACKAGE_NAME}.zip"
+          for part in dist-windows-cross/${PACKAGE_NAME}.zip.part-*; do
+            upload_file "$part" "${API_BASE}/$(basename "$part")"
+          done
           upload_file "dist-windows-cross/${PACKAGE_NAME}.zip.sha256" "${API_BASE}/${PACKAGE_NAME}.zip.sha256"
+          upload_file "dist-windows-cross/${PACKAGE_NAME}.zip.parts.sha256" "${API_BASE}/${PACKAGE_NAME}.zip.parts.sha256"
           echo "Package uploaded to: ${API_BASE}/"
+          echo "Download all ${PACKAGE_NAME}.zip.part-* files, then reconstruct with: cat ${PACKAGE_NAME}.zip.part-* > ${PACKAGE_NAME}.zip"