git分支unkown但结帐工作 [英] git branch unkown but checkout works

问题描述

在我的远程仓库上创建了一个新的分支。在GitBash中我的工作目录（master分支）上键入 git remote update 和 git pull 。根据我的理解 git remote update 会更新所有设置为跟踪远程分支的分支，如下所述：
git remote update，'git fetch'和'git pull'有什么区别？ ？

所以当我输入 git diff master newBranch --name-only 我期望看到两个分支中不同的文件列表。但是，我收到了以下错误消息：

fatal：歧义参数'newBranch'：未知版本或路径不在
如果我输入 git checkout newBranch 它可以正常工作，如果我通过键入 git checkout master 突然 git diff master newBranch --name-only 切换回主目录？

任何人都可以向我解释这种行为吗？

解决方案

你提到你没有分支的本地副本newBranch，所以你需要指定你想用远程的分支标签做这样的差异：

  git diff origin / master origin / newBranch --name-only 
  

或者假设你有本地主人：

  git diff主起源/ newBranch --name-only 
  

检查哪个分支你有本地的：

  git branch -l 
  

或

  git分支
  

检查远程分支

  git branch -r 
  

检查所有分行：

  git branch -a 
  

因此，您在结帐后为您工作，因为git自动创建了一个名为newBranch的本地分支。所以在你的结帐之前 git branch 不会显示一个名为newBranch的分支，但是在结帐之后它会。

on my remote repository a new branch has been created. In GitBash in my Working Directory (on master branch) I type git remote update and git pull. To my understanding git remote update will update all branches set to track remote ones as explained here: What is the difference between 'git remote update', 'git fetch' and 'git pull'?

So when I type git diff master newBranch --name-only I expected to see a list of files which are different in both branches. But instead I got the following error message:

fatal: ambiguous argument 'newBranch': unknown revision or path not in the working tree.

But if I type git checkout newBranch it works fine, and if I switch back to master by typing git checkout master suddenly git diff master newBranch --name-only works perfectly?

Could anyone explain to me this behavior?

解决方案

As you mentioned you don't have the local copy of the branch "newBranch" so you need to specify that you want to do a diff with the branch tag from the remote like this:

git diff origin/master origin/newBranch --name-only

or assuming you have the master locally:

git diff master origin/newBranch --name-only

Check which branches you have locally:

git branch -l

or

git branch

check remote branches

git branch -r

check all branches:

git branch -a

So this worked for you after you did a checkout because git automatically created a local branch called newBranch. So before your checkout git branch would not show a branch called "newBranch" but after the checkout it would.

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