NixOS/nixpkgs — pull request #477 by coroa (2013-04-22 09:56:28+00:00)
Title: offlineimap: enable support for the sqlite status backend

... for it speeds things up considerably. if preferred i would also be able to add it as an option.

enabling doesn't change the behaviour of offlineimap at once. instead it has to be activated in the configuration file .offlineimaprc by an entry of "status_backend = sqlite" in the account section.