auto_install_pkg.sh

#!/bin/sh /etc/rc.common
# Copyright (C) 2025 Nadias-jp

START=99

start() {
    # インストールしたいパッケージ名をここに記述
    local packages="adguardhome"
    # バックアップ先
    local BACKUP_DIR="/root/backup_pkg/"

    # バックアップディレクトリの存在チェック
    if [ ! -d "$BACKUP_DIR" ]; then
        echo "Backup directory does not exist. Creating $BACKUP_DIR..."
        mkdir -p "$BACKUP_DIR"
    fi

    # パッケージのバックアップ
    echo "Backing up packages..."
    for package in $packages; do
        echo "Backing up $package..."
        cd $BACKUP_DIR || exit
        opkg download "$package"
    done
    echo "Backup completed."

    # インターネット接続の確認
    if ping -c 1 -W 1 google.com > /dev/null 2>&1; then
        echo "Internet connection available. Attempting to install from the internet."
        
        # パッケージがまだインストールされていない場合にインストール
        for package in $packages; do
            if ! opkg list-installed | grep -q "$package"; then
                echo "Installing $package from the internet..."
                opkg update
                opkg install $package
            else
                echo "$package is already installed."
            fi
        done
    else
        echo "No internet connection. Attempting to install from local backup."
        
        # バックアップからインストール
        for package in $packages; do
            if ! opkg list-installed | grep -q "$package"; then
                if [ -f "$BACKUP_DIR/$package_*.ipk" ]; then
                    echo "Installing $package from local backup..."
                    opkg install "$BACKUP_DIR/$package_*.ipk"
                else
                    echo "$package backup not found. Unable to install."
                fi
            else
                echo "$package is already installed."
            fi
        done
    fi
}