在提交到git之前，如何查看文件中的更改? [英] How can I see what has changed in a file before committing to git?

问题描述

我注意到在处理一张或两张票时，如果我走开，我不确定自己在做什么，发生了什么变化等.

I've noticed that while working on one or two tickets, if I step away, I'm not sure what I worked on, what changed, etcetera.

有没有办法在git add然后git commit之前查看给定文件所做的更改?

Is there a way to see the changes made for a given file before git add and then git commit?

推荐答案

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根据您的实际情况，有三种使用 git diff 的有用方法:

Depending on your exact situation, there are three useful ways to use git diff:

1. 显示索引和工作树之间的差异；也就是说，您尚未准备提交的更改:

git diff [filename]

1. 显示当前提交和索引之间的差异；也就是说，您将要提交的内容(-staged 会做完全相同的事情，使用您喜欢的内容):

1. Show differences between current commit and index; that is, what you're about to commit (--staged does exactly the same thing, use what you like):

git diff --cached [filename]

1. 显示当前提交和工作树之间的区别:

git diff HEAD [filename]

git diff 在目录上递归工作，如果没有给出路径，则显示所有更改.

git diff works recursively on directories, and if no paths are given, it shows all changes.

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