xcode-select

Switch between different versions of Xcode and the included developer tools. Also used to update the path to Xcode if it is moved after installation. More information: https://developer.apple.com/library/archive/technotes/tn2339/_index.html.

Install Xcode's command-line tools:

xcode-select --install

Select a given path as the active developer directory:

xcode-select --switch {{path/to/Xcode.app/Contents/Developer}}

Select a given Xcode instance and use its developer directory as the active one:

xcode-select --switch {{path/to/Xcode_file.app}}

Print the currently selected developer directory:

xcode-select --print-path

Discard any user-specified developer directory so that it will be found via the default search mechanism:

sudo xcode-select --reset