git-gutter

(when (locate-library "fringe-helper")
  (require 'fringe-helper)
)

(when (locate-library "git-gutter")
  (require 'git-gutter)
  (global-git-gutter-mode t)
)
(when (locate-library "git-gutter-fringe")
  (require 'git-gutter-fringe)
)