sys-update

#!/bin/bash

# Define log file
LOG_FILE="/var/log/bunOS_update.log"

# Function to check and install zenity
install_zenity() {
    if ! command -v zenity &> /dev/null; then
        echo "Zenity is not installed. Installing now..."
        echo "$USER" | sudo -S apt install zenity -y >> "$LOG_FILE" 2>&1
        if [[ $? -ne 0 ]]; then
            zenity --error --text="Failed to install Zenity. Please install it manually." --title="Error"
            exit 1
        fi
        zenity --info --text="Zenity installed successfully." --title="Success"
    fi
}

# Function to check for sudo privileges
check_sudo() {
    if ! zenity --question --text="This script requires superuser privileges. Do you want to proceed?" --title="Sudo Required"; then
        zenity --info --text="Update process cancelled." --title="Cancelled"
        exit 1
    fi
}

# Function to perform updates
perform_updates() {
    echo "Updating package lists..." | tee -a "$LOG_FILE"
    echo "$USER" | sudo -S apt update >> "$LOG_FILE" 2>&1

    UPGRADABLE=$(apt list --upgradable 2>/dev/null | wc -l)

    if [ "$UPGRADABLE" -gt 1 ]; then
        echo "Upgradable packages found: $((UPGRADABLE - 1))" | tee -a "$LOG_FILE"

        # Start the upgrade process with a progress bar
        (
            echo "10" 
            echo "$USER" | sudo -S apt full-upgrade -y 2>&1 | while read line; do
                # Capture progress
                if [[ "$line" =~ ([0-9]+)% ]]; then
                    echo "${BASH_REMATCH[1]}"
                fi
            done
            echo "100"
        ) | zenity --progress --title="Updating System" --text="Upgrading packages..." --percentage=0 --auto-close

        # Clean up
        echo "Cleaning up..." | tee -a "$LOG_FILE"
        echo "$USER" | sudo -S apt autoremove -y >> "$LOG_FILE" 2>&1
        echo "$USER" | sudo -S apt clean >> "$LOG_FILE" 2>&1

        zenity --info --text="Updates completed successfully." --title="Success"
    else
        zenity --info --text="No upgradable packages found." --title="No Updates"
    fi
}

# Main execution
install_zenity
check_sudo
perform_updates