如何在提交之前在git中查看文件差异 [英] How to view file diff in git before commit

问题描述

这经常发生在我身上：

我在一两天的时间里同时处理一对夫妇相关的变化，当时间到了提交时，我最终忘记了特定文件中更改的内容。 （这只是个人的git回购，所以我可以在提交中有多个更新。）

有什么方法可以预览我本地文件，即将被检入，以及该文件的最后一次提交？

类似于：

  git diff --changed / myfile。 txt 
  

它会打印出如下内容：

 第23行
（上次提交）：var = 2 + 2 
（current）：var = myfunction（）+ 2 
 
行149 
（上次提交）：返回var 
（当前）：return var / 7 
  

通过这种方式，我可以很快看到自从上次检入后该文件中所做的操作。

>如果你想看看你还没有 git add ed：

  git diff myfile.txt 
  

或者如果您想要查看 - 添加 ed修改

  git diff --cached myfile.txt 
  

This often happens to me:

I'm working on a couple related changes at the same time over the course of a day or two, and when it's time to commit, I end up forgetting what changed in a specific file. (This is just a personal git repo, so I'm ok with having more than one update in a commit.)

Is there any way to preview the changes between my local file, which is about to be checked in, and the last commit for that file?

Something like:

git diff --changed /myfile.txt

And it would print out something like:

line 23
  (last commit): var = 2+2
  (current):     var = myfunction() + 2

line 149
  (last commit): return var
  (current):     return var / 7

This way, I could quickly see what I had done in that file since it was last checked in.

解决方案

If you want to see what you haven't git added yet:

git diff myfile.txt

or if you want to see already-added changes

git diff --cached myfile.txt

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