#!/usr/bin/env bash
set -e

echo "================================="
echo "   ArvanCloud Alpine Mirror Setup"
echo "================================="

if [[ ! -f /etc/alpine-release ]]; then
    echo "This script only supports Alpine."
    exit 1
fi

echo "[1/3] Backing up repositories..."
cp /etc/apk/repositories /etc/apk/repositories.bak

ALPINE_VERSION=$(cut -d'.' -f1,2 /etc/alpine-release)

echo "[2/3] Writing mirror..."

cat > /etc/apk/repositories <<EOF
https://mirror.arvancloud.ir/alpine/v${ALPINE_VERSION}/main
https://mirror.arvancloud.ir/alpine/v${ALPINE_VERSION}/community
EOF

echo "[3/3] Updating package index..."
apk update

echo "Alpine mirror configured."