ci: flutter build 前显式 pub get + 重试(防 pub.flutter-io.cn 被 GFW 抖断)

iOS build 曾因 flutter build 内隐式 pub get 拉 google_fonts 时 pub.flutter-io.cn
socket error(exit 69)而失败。_env.sh 加 flutter_pub_get_retry(5 次重试),四个
compile 脚本在 flutter build 前显式预取,成功后 build 命中缓存不再拉网,减少偶发
网络失败。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013nMthbVEmQquxBRKb9Fj8u

scripts/ci/_env.sh

@@ -29,3 +29,18 @@ ver_from_tag() {
   ref="${ref#"${prefix}"-v}"
   printf '%s' "$ref"
 }
+
+# flutter_pub_get_retry — pub.flutter-io.cn 常被 GFW 抖断(socket error / exit 69),
+# 让 flutter build 内隐式的 pub get 偶发失败(见 iOS build 曾因 google_fonts 拉包
+# 断线而挂)。构建前显式预取 + 重试;成功后 build 命中缓存不再拉网。在 flutter
+# 项目根目录调用。
+flutter_pub_get_retry() {
+  local i
+  for i in 1 2 3 4 5; do
+    if flutter pub get; then return 0; fi
+    echo "==> flutter pub get 失败(第 ${i}/5 次,pub.flutter-io.cn 抖?),8s 后重试..." >&2
+    sleep 8
+  done
+  echo "==> flutter pub get 5 次仍失败,放弃" >&2
+  return 1
+}

scripts/ci/compile-android.sh

@@ -131,6 +131,7 @@ EOF
 # 现代绝大多数 Android 机)作为唯一下载,约 ~80MB;32 位老机(armeabi-v7a)/模拟器
 # (x86_64)本轮不分发(需要再加)。这样官网 + deploy-client 仍是单一稳定 URL。
 cd client
+flutter_pub_get_retry # 预取包 + 重试,防 pub.flutter-io.cn 被 GFW 抖断(见 _env.sh)
 flutter build apk --release --split-per-abi \
   "--dart-define=PANGOLIN_API_URL=${API_URL}"
 cd ..

scripts/ci/compile-ios.sh

@@ -173,6 +173,7 @@ EOF
 
 # ── [6/6] flutter build ipa + 上传 TestFlight ───────────────────────────────
 cd "${REPO_ROOT}/client"
+flutter_pub_get_retry # 预取包 + 重试,防 pub.flutter-io.cn 被 GFW 抖断(见 _env.sh)
 flutter build ipa --release \
   --build-name="${VER}" \
   --build-number="${BUILD}" \

scripts/ci/compile-macos.sh

@@ -182,6 +182,7 @@ echo "==> compile-macos: signing identity '${IDENTITY}'"
 # 明），本步应已产出 Developer ID 签名 + hardened runtime 的 .app；下一步的
 # inside-out 重签是幂等的安全网，不依赖这一步是否已经"恰好签对"。
 cd "${REPO_ROOT}/client"
+flutter_pub_get_retry # 预取包 + 重试,防 pub.flutter-io.cn 被 GFW 抖断(见 _env.sh)
 flutter build macos --release --dart-define="PANGOLIN_API_URL=${API_URL}"
 cd "$REPO_ROOT"
 

scripts/ci/compile-windows.sh

@@ -103,6 +103,7 @@ echo "==> compile-windows: pubspec version -> ${VER}+${BUILD}"
 # on first real CI run that none of those get clobbered.
 pushd "$BUILD_CLIENT" > /dev/null
 flutter create --platforms=windows . --project-name pangolin_vpn
+flutter_pub_get_retry # 预取包 + 重试,防 pub.flutter-io.cn 被 GFW 抖断(见 _env.sh)
 flutter build windows --release "--dart-define=PANGOLIN_API_URL=${API_URL}"
 popd > /dev/null