#!/bin/bash
# Disable package management after installation
set -euo pipefail

echo "Disabling package management..."

# Remove execute permissions from package management tools
chmod -x /usr/bin/apt /usr/bin/apt-get /usr/bin/dpkg
chmod -x /usr/bin/apt-cache /usr/bin/apt-key /usr/bin/dpkg-deb
chmod -x /usr/bin/dpkg-query /usr/bin/dpkg-split /usr/bin/dpkg-trigger

# Make immutable
chattr +i /usr/bin/apt /usr/bin/apt-get /usr/bin/dpkg
chattr +i /usr/bin/apt-cache /usr/bin/apt-key /usr/bin/dpkg-deb
chattr +i /usr/bin/dpkg-query /usr/bin/dpkg-split /usr/bin/dpkg-trigger

# Remove package metadata directories
rm -rf /var/lib/apt/* /var/lib/dpkg/*

# Create immutable empty directories to prevent recreation
mkdir -p /var/lib/apt /var/lib/dpkg
chattr +i /var/lib/apt /var/lib/dpkg

echo "Package management disabled successfully."