==> The Xcode Command Line Tools will be installed.
Press RETURN to continue or any other key to abort
==> Searching online for the Command Line Tools
==> /usr/bin/sudo /usr/bin/touch /tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress
==> Installing Command Line Tools for Xcode-11.5
==> /usr/bin/sudo /usr/sbin/softwareupdate -i Command\ Line\ Tools\ for\ Xcode-11.5
Software Update Tool
Downloading Command Line Tools for Xcode
卡在这一步骤时，可以去https://developer.apple.com/download/more/上登陆，下载对应版本（Xcode-11.5）的Command Line Tools ，然后手动安装