#!/usr/bin/env bash

set -e

echo "================================="
echo "   Liara Alpine Mirror Setup"
echo "================================="

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

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

echo
echo "[2/3] Detecting Alpine version..."
ALPINE_VERSION=$(cut -d'.' -f1,2 /etc/alpine-release)

echo "Detected Alpine version: $ALPINE_VERSION"

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

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

echo
echo "Updating package index..."
apk update

echo
echo "Alpine mirror configured successfully."