change default gravatar service to display avatar in magit

lisp/init-built-in.el

@@ -141,4 +141,9 @@ function `goto-line'."
 (advice-add 'goto-line-relative :override #'fix/goto-line-relative)
 
 
+;; gravatar show avatar in magit
+(with-eval-after-load 'gravatar
+  (setq gravatar-service 'libravatar))
+
+
 (provide 'init-built-in)

lisp/init-git.el

@@ -47,8 +47,7 @@
         (pinentry-start))
     (error nil))
 
-  (setq magit-revision-show-gravatars
+  (setq magit-revision-show-gravatars t))
-        '("^Author:     " . "^Commit:     ")))
 
 ;;; ediff
 (setq ediff-split-window-function 'split-window-horizontally)