如果你要查看文件的每個(gè)部分是誰修改的，那么 git blame 就是不二選擇. 只要運(yùn)行git blame [filename]，你就會得到整個(gè)文件的每一行的詳細(xì)修改信息：包括SHA串，日期和作者。

你也可以用"-L"參數(shù)在命令(blame)中指定開始和結(jié)束行:

$>git blame -L 160,+10 sha1_file.c 
ace1534d (Junio C Hamano 2005-05-07 00:38:04 -0700       160)}
ace1534d (Junio C Hamano 2005-05-07 00:38:04 -0700       161)
0fcfd160 (Linus Torvalds 2005-04-18 13:04:43 -0700       162)/*
0fcfd160 (Linus Torvalds 2005-04-18 13:04:43 -0700       163) * NOTE! This returns a statically allocate
790296fd (Jim Meyering   2008-01-03 15:18:07 +0100       164) * careful about using it. Do an "xstrdup()
0fcfd160 (Linus Torvalds 2005-04-18 13:04:43 -0700       165) * filename.
ace1534d (Junio C Hamano 2005-05-07 00:38:04 -0700       166) *
ace1534d (Junio C Hamano 2005-05-07 00:38:04 -0700       167) * Also note that this returns the location
ace1534d (Junio C Hamano 2005-05-07 00:38:04 -0700       168) * SHA1 file can happen from any alternate 
d19938ab (Junio C Hamano 2005-05-09 17:57:56 -0700       169) * DB_ENVIRONMENT environment variable if i

來自：查找問題的利器 - Git Blame
參考：
git community book中文版
git-blame(1) Manual Page