Install Go on M1/M2/M3 mac (apple silicon)

install_go.sh

#!/usr/bin/env bash

# find filename on https://go.dev/dl/
GO_FILE_NAME="go1.19.3.darwin-arm64.tar.gz"

# usage:
# chmod u+x install_go.sh
# sudo ./install_go.sh

mkdir /tmp/downloads
sudo wget https://golang.org/dl/$GO_FILE_NAME -P /tmp/downloads
sudo tar -C /usr/local -xzf /tmp/downloads/$GO_FILE_NAME

echo 'export GOROOT="/usr/local/go"' >> $HOME/.zshrc
echo 'export GOPATH="$HOME/dev/go"' >> $HOME/.zshrc
echo 'export PATH="$GOPATH/bin:$GOROOT/bin:$PATH"' >> $HOME/.zshrc

update_go.sh

#!/usr/bin/env bash

# Find filename on https://go.dev/dl/
GO_FILE_NAME="go1.21.0.darwin-arm64.tar.gz" # M1 Apple Silicon

# Usage:
# chmod u+x update_go.sh
# sudo ./update_go.sh
#
# If something goes wrong, just restore the backup:
# mv /usr/local/_go_old /usr/local/go
#
# If everything is ok, then you can remove the backup:
# sudo rm -rf /usr/local/_go_old

sudo mv /usr/local/go /usr/local/_go_old
mkdir /tmp/downloads
sudo wget https://golang.org/dl/$GO_FILE_NAME -P /tmp/downloads
sudo tar -C /usr/local -xzf /tmp/downloads/$GO_FILE_NAME

go version