NixOS/nixpkgs — pull request #200 by aforemny (2012-11-28 09:04:59+00:00)
Title: Update plowshare to plowshare4-git20121126.e7e4480 

plowshare now comes in two flavours, plowshare4 and plowshare3. plowshare4 is recommonded if one can afford its larger (bash >= 4.1) dependencies which we can. plowshare3 (bash >= 3, busybox) is aimed at embedded devices.