使用git blame定位修改程式碼歷史

git blame定義

git-blame - Show what revision and author last modified each line of a file

文件地址: https://git-scm.com/docs/git-blame

檢視整個檔案修改歷史

git blame file

顯示格式為: commit id + author + commit date

$ git blame src/main/java/com/github/***/cpone/MyThread.java
0a497a6e (
 
m***e 2018-12-09 10:57:05 +0800  1) package com.github.white.cpone;
0a497a6e (m***e 2018-12-09 10:57:05 +0800  2)
0a497a6e (m***e 2018-12-09 10:57:05 +0800  3) public class MyThread extends Thread {
0a497a6e (m***e 2018-12-09 10:57:05 +0800  4)
0a497a6e (m***e 2018-12-09 10:57:05 +0800  5)

檢視檔案中某個程式碼段修改歷史

git blame -L start,end file

$ git blame -L 22,28 src/main/java/com/github/***/cpone/MyThread.java
f5b5b4b4 (m***e 2018-12-09 14:43:29 +0800 23)             System.out.println("程序catch中...");
f5b5b4b4 (m***e 2018-12-09 14:43:29 +0800 25)             System.out.println("catch...");
0a497a6e (m***e 2018-12-09 10:57:05 +0800 26)             Thread.currentThread(
 
).interrupt();