“git checkout tag-name” vs“git reset --hard tag-name” [英] "git checkout tag-name" vs "git reset --hard tag-name"

问题描述

我知道有类似于，但这不是我要求的。

我也知道：

git checkout tag-name ：

• 。 （即移动 HEAD 指针，保持 BRANCH 指针）
  
  
  

  git reset --hard tag-name ：
  
  

  
  
  • 不会将您从分支中移除，但会使先前的提交变为悬挂。 （即移动 HEAD 和 BRANCH 指针）
    
  
  
  

  我想知道哪一个更适合更新到标签，即生产是否应该重新设置或检出。我知道一个垃圾收集器可能会运行，删除悬而未决的提交，但是，如果在更新到标记之前总是拉生产，我会发现没有什么不好的。

  
  
  

  如果生产更新到 reset 或 checkout 的标签，考虑到 pull 总是在此更新调用之前完成？

  解决方案

  
  

  我想知道哪一个更适合更新标签

  
  

  您的产品安装应该检出标签。

  
  
  

  以这种方式考虑：您的生产安装是只读的。 git reset --hard tag-name 会修改当前签出的分支。

  
  
  

  strong>

  
  
  

  通常的做法是，除了创建标签之外，您还有一个分支，它只是最新版本。在这种情况下，你可以合并为主并从那里创建标签;并且在你的产品安装中，你只需使用git pull（在master上）来更新。

  
  

  I know that there are questions like this, but that's not what I'm asking.

  I also know that:

  git checkout tag-name:

  • Detaches you from the branch. (i.e. moves HEAD pointer, keeps BRANCH pointer)

  git reset --hard tag-name:

  • Does not detach you from the branch, but makes the previous commits to become "dangling". (i.e. moves both HEAD and BRANCH pointers)

  I wonder which one makes more sense for updating to a tag, i.e. should a production be reseted or checked out. I know that a garbage collector may run, removing dangling commits, but then again, if the production is always "pulled" before the process of updating to a tag, I see nothing bad there.

  Should a production update to a tag with reset or checkout, considering that a pull is always done prior to this update call?

  解决方案

  I wonder which one makes more sense for updating to a tag

  Your production install should be checking out a tag.

  Think of it this way: your production install is read-only. git reset --hard tag-name will modify the currently checked out branch.

  Alternatively

  It's common practice that in addition to creating a tag, you have one branch which is simply the latest release. In which case you'd e.g. merge to master and create a tag from there; and on your production installs you'd update simply with git pull (on master).

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