rdiff-backup is also in the Ubuntu, Fedora, Debian, Gentoo, and PLD distributions of GNU/Linux, as well as in the FreeBSD ports, NetBSD packages, Sunfreeware, Darwinports, and Fink Mac OS X collections.
Extracted automatically from RdiffBackup homepage
brew install rdiff-backup
The following dependency will be installed if you install RdiffBackup: