索引，缓存和在git中上演有什么区别？ [英] What's the difference between the index, cached, and staged in git?

问题描述

这些都是一样的吗？如果是这样，为什么有这么多的条款？！

另外，我知道有这种叫做git stash的东西，这是一个地方，你可以暂时存储你的变化工作副本，而不会将其提交给回购。我发现这个工具非常有用，但是再一次，这个名字和git中的其他一些概念非常相似 - >这非常令人困惑!!

解决方案< /索引/阶段/缓存是同样的事情 - 至于为什么这么多的术语，我认为这个索引是'原始'的术语，但人们发现它很混乱，所以其他术语被引入。我同意它起初有时会让事情有点混乱。

git的 stash 工具是一种方式将存储在特定存储目录/数据库中的提交对象存储在您目前不想提交的'正在进行中'的工作中）。基本的 stash 命令将存储对工作目录（缓存/暂存和未缓存/非暂存更改）的未提交更改，然后将工作目录恢复为HEAD。

它与索引/阶段/缓存没有什么关系，只不过它会将未提交的更改存储在缓存中。

这可以让您快速保存脏工作目录和索引的状态，以便您可以在干净的环境中执行不同的工作。稍后，您可以取回隐藏对象中的信息并将其应用于您的工作目录（即使工作目录本身处于不同的状态）。

官方 git存储手册页具有相当不错的细节，但仍然可以理解。它也有很好的例子说明如何使用 stash 。

Are these the same thing? If so, why are there so many terms?!

Also, I know there is this thing called git stash, which is a place where you can temporarily store changes to your working copy without committing them to the repo. I find this tool really useful, but again, the name is very similar to a bunch of other concepts in git -> this is very confusing!!

解决方案

The index/stage/cache are the same thing - as for why so many terms, I think that index was the 'original' term, but people found it confusing, so the other terms were introduced. And I agree that it makes things a bit confusing sometimes at first.

The stash facility of git is a way to store 'in-progress' work that you don't want to commit right now in a commit object that gets stored in a particular stash directory/database). The basic stash command will store uncommitted changes made to the working directory (both cached/staged and uncached/unstaged changes) and will then revert the working directory to HEAD.

It's not really related to the index/stage/cache except that it'll store away uncommitted changes that are in the cache.

This lets you quickly save the state of a dirty working directory and index so you can perform different work in a clean environment. Later you can get back the information in the stash object and apply it to your working directory (even if the working directory itself is in a different state).

The official git stash manpage has pretty good detail, while remaining understandable. It also has good examples of scenarios of how stash might be used.

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