Update and upgrade Debian packages with bash script

update_debian_packages.sh

#!/bin/bash

# Also works in Debian-based distros such as Ubuntu and Linux Mint.
# Do NOT forget to set the script file with execution permissions:
# chmod -X update_debian_packages.sh


# Variables
## Path where the log file will be located
LOG_FILE_PATH="/var/tmp/update_log.txt"

echo "[(Root) privileges required]"
if sudo -nv 2>/dev/null && sudo -v ; then
    sudo whoami
    echo "[Running with appropriate privileges]"
else
    echo "[Exiting...]"
    exit
fi

echo "Last run" | tee $LOG_FILE_PATH
echo "-------------------------------------"
echo "Datetime: " | tee -a $LOG_FILE_PATH
date | tee -a $LOG_FILE_PATH
echo "-------------------------------------"

echo "--------------- UPDATING REPOSITORIES (APT) ---------------"
echo "- - - - - - - - - - - - - - - - - - - - - - - - - - - - -"
sudo apt-get update -y | tee -a $LOG_FILE_PATH

echo "--------------- UPGRADING PACKAGES (APT) ---------------"
echo "- - - - - - - - - - - - - - - - - - - - - - - - - - -"
sudo apt-get upgrade -y | tee -a $LOG_FILE_PATH

echo "--------------- UPGRADING PACKAGES (SNAP) ---------------"
echo "- - - - - - - - - - - - - - - - - - - - - - - - - - -"
sudo snap refresh | tee -a $LOG_FILE_PATH

echo "--------------- UPGRADING PACKAGES (FLATPAK) ---------------"
echo "- - - - - - - - - - - - - - - - - - - - - - - - - - -"
sudo flatpak update -y | tee -a $LOG_FILE_PATH