很好地在git log中显示文件重命名历史记录 [英] nicely display file rename history in git log

问题描述

git 命令

  git log --format =' ％H'--follow  -  foo.txt 
  

会为您提供一系列触碰 foo.txt ，然后跨越重命名。

我想知道是否有 git

这将是这样的，我们可以在这里解释'％F'是文件名的（实际上不存在的）占位符。

  git log --format ='％H％F'--follow  -  foo.txt 
  

我知道这可以用

 > git log --format ='％H'--follow --numstat  - foo.txt 
  

但输出并不理想，因为它需要一些非平凡的解析;每个提交都分散在多行中，并且仍然需要解析文件重命名语法（bar.txt => foo.txt）以查找您的'

解决方案

您可以简化它，就像这样：

  git log --format ='％H'--name-only --follow  -  README.md 
  

这会给你类似的输出

  621175c4998dfda8da 
 
 README.md 
 d0d6ef0a3d22269b96 
 
 README.md 
  

这应该更容易解析。例如，你可以使用一个哨兵并像这样发布新行：

  git log --format ='％H %% '--name-only --follow  -  README.md | sed'：a; N; $！ba; s /％\\\
\\\
 / / g'
  

  621175c4998dfda8da README.md 
 d0d6ef0a3d22269b96 
这应该会给你散列和文件名在同一行上：
 README.md 
  

有关sed调用的信息，请参阅）？，它具有我基于该位的答案开。

The git command

git log --format='%H' --follow -- foo.txt

will give you the series of commits that touch foo.txt, following it across renames.

I'm wondering if there's a git log command that will also print the corresponding historical file name beside each commit.

It would be something like this, where we can interpret '%F' to be the (actually non-existent) placeholder for filename.

git log --format='%H %F' --follow -- foo.txt

I know this could be accomplished with

git log --format='%H' --follow --numstat -- foo.txt

but the output is not ideal since it requires some non-trivial parsing; each commit is strewn across multiple lines, and you'll still need to parse the file rename syntax ("bar.txt => foo.txt") to find what you're looking for.

解决方案

You can simplify it a little bit like this:

git log --format='%H' --name-only --follow -- README.md

which will give you output kind of like this

621175c4998dfda8da

README.md
d0d6ef0a3d22269b96

README.md

which should be a little easier to parse. For instance you can use a sentinel and sed out the newlines like this:

git log --format='%H%%' --name-only --follow -- README.md | sed ':a;N;$!ba;s/%\n\n/ /g'

which should give you the hash and the filename on the same line:

621175c4998dfda8da README.md
d0d6ef0a3d22269b96 README.md

For info on the sed invocation, see How can I replace a newline (\n) using sed? which has the answer I based that bit on.

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