git如何处理来自两个不同远程回购的相同分支名称？ [英] How does git deal with identical branch names from two different remote repo?

问题描述

如果我使用 git remote add 为回购设置了两个远程，并且这两个回购包含一个具有相同名称的分支。如何使用git checkout git checkout 切换到哪个分支？

解决方案

当我使用git checkout切换到哪个分支时，git如何知道哪个分支会使用？

它没有。通常，如果存在歧义，例如在这种情况下，两个遥控器（原始和上游2）都有 devel 分支：

  $ git branch -a 
 * master 
遥控器/ origin / HEAD  - >起源/大师
遥控器/原产地/开发者
遥控器/原产地/主人
遥控器/上游2 /开发者
遥控器/上游2 /主人
  
 
 
 
如果我只是尝试 git checkout devel 我得到：
  $ git checkout devel 
错误：pathspec'devel'与git已知的任何文件都不匹配。 
  
我需要明确说明： 
 
 
  $ git checkout -b devel remotes / upstream2 / devel 
 Branch devel设置为通过重新绑定来跟踪远程分支devel from upstream2。 
转换到一个新分支'devel'
  
比较这种情况，我只有一个遥控器： 
 
 
  $ git branch -a 
 * master 
遥控器/原点/ HEAD  - > ;起源/大师
遥控器/原产地/开发者
遥控器/原产地/主人
  
然后： 
 
 
  $ git checkout devel 
分支开发通过重新绑定来跟踪远程分支的开发。 
切换到新分支'devel'
  
 
If I set up two remote using git remote add for a repo, and the two repo contain a branch with the same name.  How does git know which branch of which repo I intend to use when I switch to it using git checkout?
解决方案

  
How does git know which branch of which repo I intend to use when I switch to it using git checkout?
It doesn't. Typically, if there is ambiguity, such as in this situation where both remotes ("origin" and "upstream2") have a devel branch:
$ git branch -a
* master
  remotes/origin/HEAD -> origin/master
  remotes/origin/devel
  remotes/origin/master
  remotes/upstream2/devel
  remotes/upstream2/master
If I simply try to git checkout devel I get:
$ git checkout devel
error: pathspec 'devel' did not match any file(s) known to git.
I need to be explicit:
$ git checkout -b devel remotes/upstream2/devel
Branch devel set up to track remote branch devel from upstream2 by rebasing.
Switched to a new branch 'devel'
Compare this to the situation where I have only a single remote:
$ git branch -a
* master
  remotes/origin/HEAD -> origin/master
  remotes/origin/devel
  remotes/origin/master
And then:
$ git checkout devel
Branch devel set up to track remote branch devel from origin by rebasing.
Switched to a new branch 'devel'


                        
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