update-go

#!/usr/bin/env sh

# Color variables
grn='\e[1;32m'
blu='\e[1;34m'
reset='\e[0m'

LATEST_GO_VERSION=$(curl -s https://go.dev/dl/\?mode\=json | grep -m 1 version | awk -F ":" '{print $NF}' | tr -d ' ",' | sed s/go//)
CURRENT_GO_VERSION=$(go version | awk '{print $3}' | sed s/go//)
LINUX_GO_INSTALL_PACKAGE="go$LATEST_GO_VERSION.linux-amd64.tar.gz"
URL="https://go.dev/dl/${LINUX_GO_INSTALL_PACKAGE}"

if [ "$LATEST_GO_VERSION" = "$CURRENT_GO_VERSION" ]; then
  echo "Your Go version is up to date! 🎉"
  exit 0
else
  echo "Your current go version is: ${CURRENT_GO_VERSION} while the latest is: ${LATEST_GO_VERSION}. Updating now ✅"
fi

printf "⚡ ${grn}Downloading newest Go version${reset}\n"
wget $URL

printf "⌛ ${grn}Removing previous Go Version${reset}\n"
sudo rm -rf /usr/local/go

printf "📦 ${grn}Unpacking the updated Go Version${reset}\n"
sudo tar -C /usr/local -xzf $LINUX_GO_INSTALL_PACKAGE

printf "✅ ${grn}Cleaning up, almost done!${reset}\n"
rm $LINUX_GO_INSTALL_PACKAGE

printf "🎉 ${blu}Done!${reset}\n"