Git：如何更新/签出远程原始主文件中的单个文件？ [英] Git: How to update/checkout a single file from remote origin master?

问题描述

场景：

The scenario:

1. 我在本地对单个文件进行一些更改并运行 git add ， git commit 和 git push


2. 推送到远程原始主存储库
   
3. 我有另一个本地存储库，通过Capistrano通过远程存储库的remote_cache方法进行部署


4. 现在我不想部署整个应用程序，只是更新/检出单个文件。

1. I make some changes in a single file locally and run git add, git commit and git push
2. The file is pushed to the remote origin master repository
3. I have another local repository that is deployed via Capistrano with the "remote_cache" method from that remote repository
4. Now I don't want to deploy the whole application but just update/checkout that single file.

请问，这是否可以用git ？我无法找到任何可行的工作，也无法找出答案。有了SVN，我只是做了 svn up file 和voila。

Please, is this somehow possible with git? I wasn't able to find anything that would work nor was I able to figure it out. With SVN I just did svn up file and voila.

我会很乐意提供任何帮助，谢谢！

I'll be glad for any help, thanks!

推荐答案

Git不适用于单个文件。我不知道 remote_cache 设置，所以我不能对此发表评论。但是，在git中，您必须 clone 整个存储库，对文件进行更改，提交它（这是本地操作），然后推送更改背部。

Git doesn't work on individual files. I'm not aware of the remote_cache setting so I can't comment on that. However, in git, you have to clone the entire repository, make a change to a file(s), commit it (this is a local operation) and then push the changes back.

在您的设置中，您应该可以简单地从主存储库中调用它（称为M） pull 给你的卡皮斯特拉诺部署回购（称之为B）。我不明白你为什么会遇到问题。如果B完全不同并且你不想搞乱它，你可以将M作为 remote 添加到B，然后添加 cherry-pick 您感兴趣的特定提交（即您正在讨论的文件的更新）到B中。是否适合您？

In your setup, you should be able to simply pull the changes from the master repository (call it M) to your capistrano deployed repo(call it B). I don't see why you're having the problem. If B is substantially different and you don't want to mess it up, you can add M as a remote to B and then cherry-pick the specific commits you're interested in (i.e. the update to the file you're talking about) into B. Would that work for you?

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