Easy Install Script For GO in Ubuntu

Install_Go.sh

#!/usr/bin/env bash

set -euo pipefail
IFS=$'\n\t'

# Function to print info messages
info() {
  echo -e "\033[1;34m[INFO]\033[0m $*"
}

# Function to print error messages
error() {
  echo -e "\033[1;31m[ERROR]\033[0m $*" >&2
  exit 1
}

# Check for root privileges
if [ "$EUID" -ne 0 ]; then
  SUDO="sudo"
else
  SUDO=""
fi

# Default Go version (change if needed)
GO_VERSION="1.23.2"
ARCH=$(dpkg --print-architecture)
GO_TARBALL="go${GO_VERSION}.linux-${ARCH}.tar.gz"
GO_URL="https://go.dev/dl/${GO_TARBALL}"

# Remove any old Go installation
info "Removing any existing Go installation..."
$SUDO rm -rf /usr/local/go

# Install dependencies
info "Updating apt packages and installing prerequisites..."
$SUDO apt-get update -y
$SUDO apt-get install -y curl tar

# Download Go tarball
info "Downloading Go ${GO_VERSION}..."
curl -fsSL -o /tmp/${GO_TARBALL} "${GO_URL}" || error "Failed to download Go"

# Extract Go to /usr/local
info "Extracting Go to /usr/local..."
$SUDO tar -C /usr/local -xzf /tmp/${GO_TARBALL}

# Set up environment variables
if ! grep -q "/usr/local/go/bin" ~/.bashrc; then
  info "Adding Go binary path to ~/.bashrc"
  {
    echo ""
    echo "# Go environment setup"
    echo "export PATH=\$PATH:/usr/local/go/bin"
    echo "export GOPATH=\$HOME/go"
    echo "export PATH=\$PATH:\$GOPATH/bin"
  } >> ~/.bashrc
fi

# Load environment variables in current shell
export PATH=$PATH:/usr/local/go/bin
export GOPATH=$HOME/go
export PATH=$PATH:$GOPATH/bin

# Verify installation
info "Verifying Go installation..."
if go version >/dev/null 2>&1; then
  info "Go successfully installed!"
  go version
else
  error "Go installation failed."
fi

info "Installation complete. Run 'source ~/.bashrc' or restart your shell to apply environment changes."