Installing on Apple macOS

Many developer tools (including Git) are installed as part of the Xcode package. If you haven't already installed Xcode for other development work, you can download it for free from the Mac App Store at apps.apple.com/app/xcode/id497799835.

Once installed, you should also set up the command-line tools. To do this, go to the Xcode menu | Preferences | Downloads | Install Command Line Tools. If you're unsure about whether you've installed these already, then open the Terminal application and execute xcode-select. If the tools are already installed, this will execute normally. If not, you'll be prompted to run the installation, as shown in the following screenshot:

Figure 11.1 – The installation dialog window when developer tools are not installed

In addition to these tools, you'll need to install Go. You can get the download package from golang.org/dl. From there, tap on the featured download link for...