alacritty-version-checker.sh

#!/bin/bash

# Bold
BBlack='\033[1;30m'       # Black
BRed='\033[1;31m'         # Red
BGreen='\033[1;32m'       # Green
BYellow='\033[1;33m'      # Yellow
BBlue='\033[1;34m'        # Blue
BPurple='\033[1;35m'      # Purple
BCyan='\033[1;36m'        # Cyan
BWhite='\033[1;37m'       # White
NC='\033[0m'

ALACRITTY_BIN="/Applications/Alacritty.app/Contents/MacOS/alacritty"
if [ ! -x "${ALACRITTY_BIN}" ]; then
	printf "${BRed}Error:${NC} ${ALACRITTY_BIN} is not executable\n"
	exit 1
fi

ALACRITTY_INSTALLED_VERSION=$(${ALACRITTY_BIN} --version)
S=($ALACRITTY_INSTALLED_VERSION)
LOCAL_NUMBER=${S[1]}

ALACRITTY_RELEASE_PAGE="https://github.com/alacritty/alacritty/releases"
LAST_RELEASED_VERSION=$(
	w3m -dump ${ALACRITTY_RELEASE_PAGE} | 
	grep "Version" | 
	head -n 1
)
if [ "$LAST_RELEASED_VERSION" == "" ]; then
	printf "${BRed}Oups!${NC} Something wrong with ${ALACRITTY_RELEASE_PAGE}\n"
	exit 1
fi

S=($LAST_RELEASED_VERSION)
RELEASE_NUMBER=${S[2]}

if [ ${LOCAL_NUMBER} == ${RELEASE_NUMBER} ]; then
	printf "${BGreen}YES!${NC} You are up to date (ver ${BYellow}${LOCAL_NUMBER}${NC})\n"
else
	printf "${BRed}Update is Here!${NC}\n" 
	printf "On net is new versin: ${BYellow}${RELEASE_NUMBER}${NC}\n"
	printf "Installed version: ${BGreen}${LOCAL_NUMBER}${NC}\n"
fi