Install Flutter On Mac (Installs brew and wget as well)

install_flutter.sh

#!/bin/bash

# install brew if not installed
if [[ $(command -v brew) == "" ]]; then
    echo "Installing Hombrew"
    /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
fi

# check if wget is installed
if brew ls --versions myformula > /dev/null; then
  # The package is installed thus do nothing.
else
  # The package is not installed, install it
  echo "Installing wget"
  brew install wget
fi

# create and move to flutter directory
mkdir ~/flutter
cd ~/flutter

# download the flutter macos package in zip file
wget https://storage.googleapis.com/flutter_infra/releases/beta/macos/flutter_macos_v0.4.4-beta.zip

# unzip the package
unzip ~/flutter/flutter_macos_v0.4.4-beta.zip

# add flutter to path in zsh rc file
echo "export PATH=$(pwd)/flutter/bin:$PATH" >> ~/.zshrc

# add flutter to path in bash profile
echo "export PATH=$(pwd)/flutter/bin:$PATH" >> ~/.bash_profile

# export flutter to path in preperation for upgrade
export PATH=$(pwd)/flutter/bin:$PATH

# return to home path
cd ~/

# upgrade flutter
flutter upgrade

# notify complete
echo "\033[92mFlutter has been installed and upgraded, you're welcome.\033[0m"