#!/usr/bin/env bash
# 通过清华 TUNA 镜像为 MSYS2 安装 mingw-w64 gcc（Fyne/cgo 必需）
set -e

for f in /etc/pacman.d/mirrorlist.*; do
  sed -i 's|repo.msys2.org|mirrors.tuna.tsinghua.edu.cn/msys2|g' "$f"
done

echo "--- mirror ---"
grep -m1 '^Server' /etc/pacman.d/mirrorlist.mingw64 || true

echo "--- sync db ---"
pacman -Sy --noconfirm

echo "--- install gcc ---"
pacman -S --noconfirm --needed mingw-w64-x86_64-gcc

echo "--- verify ---"
/mingw64/bin/gcc.exe --version | head -n 1