golang install and update

update_go.sh

#!/usr/bin/bash -x

cd /tmp
GO_ARCH=$(dpkg --print-architecture)
GO_TARBALL=$(curl -sL -k https://go.dev/dl/ | grep -oP "go[0-9]+\.[0-9]+\.[0-9]+\.linux-${GO_ARCH}\.tar\.gz" | head -1)
[ -z "$GO_TARBALL" ] && echo "Failed to detect Go version" && exit 1
[ -f "$GO_TARBALL" ] && echo "Already installed?? $GO_TARBALL" && exit 1
rm -f /tmp/go*.linux-${GO_ARCH}.tar.gz
curl -OL -k "https://go.dev/dl/$GO_TARBALL"

sudo find /usr/local/bin -lname '/usr/local/go/*' -delete
sudo rm -rf /usr/local/go

sudo tar -C /usr/local -xzf go*.linux-${GO_ARCH}.tar.gz

for i in /usr/local/go/bin/*; do
  echo Linking: $i
  sudo ln -s --force $i /usr/local/bin/$(basename "$i")
done