etckeeper
2016-02-11 18:21:02.686928+01 by Dan Lyke 1 comments
... is a collection of tools to let
/etcbe stored in a git, mercurial, bazaar or darcs repository. This lets you use git to review or revert changes that were made to/etc. Or even push the repository elsewhere for backups or cherry-picking configuration changes.
Hooks into apt, stores metadata to keep file permissions managed correctly.