SHA1
--- a/secret.txt
+++ b/secret.txt
@@ -1 +1,3 @@
 
				 Very secret file
			
 
				+123
			
 
				+
作者	SHA1 メッセージ	日付
John Do	aeb498537e Merge branch 'master' into test	4 日前
John Do	b8b42b48d9 very strange things	4 日前