Just execute the command:
git clone https://git.torproject.org/builders/tor-browser-build.git
It will clone the repository into the current working directory.
The link is different because attempting to clone Tor source code from the link provided by the OP yields this error:
fatal: repository ‘https://gitweb.torproject.org/builders/tor-browser-bundle.git/‘ not found
10
solved How to download from https://gitweb.torproject.org