From 1a011656ec345d184f02a8398efd7f408f6be0ca Mon Sep 17 00:00:00 2001
From: chenxing <chenxing@yunhaixingtong.com>
Date: Tue, 20 Oct 2026 14:18:45 +0800
Subject: [PATCH] =?UTF-8?q?ci:=20apk=20=E6=BA=90=E4=B8=8D=E5=8F=AF?=
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现象：10-20 12:18 / 12:19 两轮构建都失败在第一步 apk add：
  fetch https://dl-cdn.alpinelinux.org/alpine/v3.20/main: Permission denied（每个源卡满 60s）
  ERROR: unable to select packages: curl (no such package)
后续 clone / 构建 / 打包 / 建档全部被 skip，代码根本没被编译到。
同一时刻本机访问该源是 200，说明是 runner 容器侧网络受限。

改法：装包前用 busybox wget 依次探测 dl-cdn / 阿里云 / 腾讯云 / 华为云，
取第一个可达源替换 /etc/apk/repositories 后再 apk add；四源全不可达则显式报错退出，
不再以 120 秒超时的形式掩盖真实原因。
---
 .gitea/workflows/build.yml | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index ae9cc9a..9afc3eb 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -19,7 +19,22 @@ jobs:
       options: --network infra-infra-net
     steps:
       - name: 安装 git / curl / zip（alpine）
-        run: apk add --no-cache git curl zip
+        run: |
+          set -e
+          # runner 容器偶发拉不到公网 apk 源（dl-cdn.alpinelinux.org 报 Permission denied 并卡满 60s×2），
+          # 这里先按可达性挑一个能通的镜像源再装包，避免整条流水线卡死在第一步、后续步骤全被 skip
+          chosen=""
+          for host in dl-cdn.alpinelinux.org mirrors.aliyun.com mirrors.cloud.tencent.com mirrors.huaweicloud.com; do
+            if wget -q -T 6 -O /dev/null "https://${host}/alpine/v3.20/main/x86_64/APKINDEX.tar.gz"; then
+              chosen="${host}"
+              break
+            fi
+            echo "apk 源不可达: ${host}"
+          done
+          if [ -z "${chosen}" ]; then echo "所有 apk 源均不可达，请检查 runner 容器网络/代理"; exit 1; fi
+          echo "使用 apk 源: ${chosen}"
+          sed -i "s#dl-cdn.alpinelinux.org#${chosen}#g" /etc/apk/repositories
+          apk add --no-cache git curl zip
 
       # 内网 Gitea 无法访问 GitHub 拉 actions/checkout，手动 clone 本仓库
       - name: 拉取源码（内网无 GitHub，手动 clone 本仓库）