如何检查给定远程存储库上是否存在远程分支？ [英] How to check if remote branch exists on a given remote repository?

问题描述

如果特定分支存在于给定的远程存储库上，我需要为该分支进行子树合并。问题是远程仓库没有在本地签出，所以我不能使用 git branch -r 。我所拥有的只是一个远程地址，类似于 https://github.com/project-name/project-name.git 。有没有办法只通过远程地址列出远程分支？我找不到任何有用的东西：（

I need to do a subtree merge for a specific branch, if it exists on a given remote repository. The problem is that the remote repository is not checked out locally, so I can't use git branch -r. All I have is a remote address, something like this https://github.com/project-name/project-name.git. Is there a way to list remote branches just by a remote address? I couldn't find anything usefull :(

推荐答案

实际上，您还可以指定要搜索的分支的名称：

In fact you can also specify the name of the branch you are searching for:

$ git ls-remote --heads [e-mail]:user/repo.git branch

如果发现名为分支的分支，您将得到以下输出：

In case branch with name branch is found you will get the following output:

b523c9000c4df1afbd8371324083fef218669108        refs/heads/branch

否则不会发送任何输出。

Otherwise no output will be sent.

因此，将它输送到 wc 会给你 1 或 0 ：

So piping it to wc will give you 1 or 0:

$ git ls-remote --heads [e-mail]:user/repo.git branch | wc -l

或者你可以在 git ls-remote 上设置 - exit-code >如果找不到匹配的参考文献，它将返回退出代码 2 。

Alternatively you can set --exit-code flag on git ls-remote which will return exit code 2 in case no matching refs are found.

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