Install stable version of Flutter on macOS (Apple Silicon chip)

install-flutter.sh

#!/usr/bin/env bash
set -euo pipefail

readonly FLUTTER_VERSION="3.19.0"
readonly URL="https://storage.googleapis.com/flutter_infra_release/releases/stable/macos/flutter_macos_arm64_${FLUTTER_VERSION}-stable.zip"
readonly DIRECTORY="${HOME}/flutter"

# Function to download and extract flutter
download_flutter() {
  local temp_file
  temp_file=$(mktemp)
  
  curl -L -o "${temp_file}" "${URL}"
  unzip -o "${temp_file}" -d "${HOME}"
  rm "${temp_file}"
}

# Function to update path
update_path() {
  local zshrc_file="${HOME}/.zshrc"

  {
    echo ""
    echo "# Flutter"
    echo 'export PATH="${HOME}/flutter/bin:${PATH}"'
  } >> "${zshrc_file}"

  # Source .zshrc to update the path
  source "${zshrc_file}"
}

# Main execution
main() {
  mkdir -p "${DIRECTORY}"
  download_flutter
  update_path
  
  # Print version to verify installation
  flutter --version
}

main "$@"