(define-key-lazy vc-dir-mode-map (kbd "r") 'revert-buffer "vc-dir") ;;fetch ,git pull ,
(define-key-lazy vc-dir-mode-map (kbd "R") 'vc-revert "vc-dir") ;;fetch ,git pull ,

受影响的文件:
    joseph-vc.el
Merge branch 'master' of github.com:jixiuf/emacs_conf