git checkout-foo.txt和git checkout foo.txt之间的区别 [英] Difference between `git checkout -- foo.txt` and `git checkout foo.txt`

问题描述

通常我使用 git checkout-foo.txt 重置工作树中的特定文件.今天，我不小心使用了 git checkout foo.txt (没有-)，而且看起来也一样.

Normally I use git checkout -- foo.txt to reset a specific file in my worktree. Today I accidentally used git checkout foo.txt (without --) and it seems it did the same.

$ git checkout -- foo.txt  # no output
$ git checkout foo.txt
Updated 1 path from the index

所以我想知道，两者之间有什么区别?或者，有吗?

So I am wondering, what is the difference between the two? Or, is there any?

推荐答案

简单答案:

# checkout the branch foo.txt if this branch exist, otherwise the file
$ git checkout foo.txt

# checkout the file foo.txt
$ git checkout -- foo.txt

因此，如果您需要-，则用于文件，而没有两个字符，则表示分支.如果Git找不到分支，则它将查找文件并检出该文件.

So if you need -- it is for files, without the two characters, it is meaning for branches. If Git can't find a branch, then it will look for a file and checkout this file.

查看有关 git结帐的官方Git doku

Look at official Git doku about git checkout

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