update.sh

#!/bin/bash
#colors
red='\e[1;31m%s\e[0m\n'
green='\e[1;32m%s\e[0m\n'
yellow='\e[1;33m%s\e[0m\n'
blue='\e[1;34m%s\e[0m\n'
magenta='\e[1;35m%s\e[0m\n'
cyan='\e[1;36m%s\e[0m\n'

#clear vars
NEWVERSION=""
OLDVERSION=""
choice=""

# Version check
if [ -z "$DOTFILESDIR" ]; then
    dotfilesdir="$DOTFILESDIR"
else
    dotfilesdir=~/.local/dotfiles/desktops
fi
if [ -f $dotfilesdir/src/os/version.txt ]; then
    printf "\t$magenta" "Checking for updates"
    NEWVERSION="$(echo $(curl -Lsq https://github.com/casjay/dotfiles/raw/main/src/os/version.txt |grep -v "#" | tail -n 1))"
    OLDVERSION="$(echo $(cat $dotfilesdir/src/os/version.txt | tail -n 1))"
 if [ "$NEWVERSION" == "$OLDVERSION" ]; then
        printf "\t\t$green No updates available current version is $OLDVERSION\n"
 else
        printf "\t\t$red Update available - New version is $NEWVERSION"
        printf "\t\t$red Would you like to update? [y/N]"
        read -n 1 -s choice
   if [ $choice == "y" ]; then
            cd $dotfilesdir && git pull -q
            printf "\t\t$green Updated to latest version = $NEWVERSION\n"
   else
            printf "\t\t$magenta You decided not to update\n"
   fi
 fi
fi