GIT：拉取请求和合并有什么区别？
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GIT: Whats the Difference between a Pull Request and a Merge?
提问by xRavisher
On services like bitbucket and github you have the option to create a pull request..
在像 bitbucket 和 github 这样的服务上，您可以选择创建拉取请求。
My question to you (developers), is what are all of the differences between the two?
我对您（开发人员）的问题是，两者之间的所有区别是什么？
Differences I currently know of:
我目前知道的差异：
- Ability to approve or reject request
- Ability to provide add a descriptive message with the request
- 能够批准或拒绝请求
- 能够在请求中添加描述性消息
Other than that it seems like a pull request is just essentially a merge.. correct?
除此之外，似乎一个拉取请求本质上只是一个合并..对吗？
回答by First Zero
Yes that is correct, the pull requeston GitHub and Bitbucket is a request to merge two branches.
是的，这是正确的，pull request在 GitHub 和 Bitbucket 上是合并两个分支的请求。
One of the use cases is to have a QA person who is not the developer review and approve the merge request.
用例之一是让一个不是开发人员的 QA 人员和批准合并请求。
Another use case is development on masterbranch is not allowed. A developer always develop on another branch. Once the development is completed, a pull request is created to merge into masterbranch.
另一个用例是master不允许在分支上进行开发。开发人员总是在另一个分支上开发。开发完成后，会创建一个 pull request 合并到master分支中。
回答by larsks
A "pull request" is a request to an upstream repository to merge some changes into their code ("pull changes from my repository and add them to yours, please"). So it's not really like a merge at all -- it's a requestto merge.
“拉取请求”是对上游存储库的请求，以将一些更改合并到他们的代码中（“请从我的存储库中拉取更改并将它们添加到您的存储库中”）。所以它根本不像是合并——它是一个合并请求。
