从私人GitHub存储库签出标签 [英] Checkout a tag from a private GitHub repository

问题描述

我需要从GitHub克隆一个私有存储库，但我只想获得一个特定的标签（所以基本上，克隆实际上是它的错误术语）。

现在，问题是有多种选择，并且所有这些选项都无法实现：

• GitHub提供标记版本作为存档，但它们不能通过 curl 或 wget 访问（至少我不能弄清楚如何）。


• GitHub 不支持归档存储库。


• 我可以运行 git clone ，然后运行 git checkout 来获取标签指定的版本，但是我下载的版本比我需要的要多，我处于分离状态，剩下的东西都保留在磁盘上。当然，我可以手动清理它，但是......好吧，很多工作都是为了一项简单的任务。

什么是最好的方法以达到我想要做的事情？

更新

我认为我的问题不够清楚，因此我添加一些更多的信息：我想要的不仅仅是达到标记所标记的修订版，而且我还想删除整个历史记录。基本上，就好像Git从来没有存在过，而我所拥有的只是这个单一版本的代码。任何提示？

解决方案

我认为可以通过 git clone --single-branch ：

 
  -  [no-] single-分支
仅克隆通向单个分支尖端的历史记录，或者由--branch选项指定的
或主分支远程的HEAD 
指向的历史记录。使用--depth选项创建浅表副本时，此
是缺省值，除非给出了--no-single-branch来获取所有分支尖端附近的
历史记录。进一步获取到
生成的存储库将仅更新
分支的远程跟踪分支，该选项用于初始克隆。如果
 remote的HEAD在创建单分支克隆时未指向任何分支，则
不会创建远程跟踪分支。 
 

请注意，这表示您需要使用指定分支 - 分支，而不是标签。但是， - branch 的文档说：

 
 --branch，-b 
代替将新创建的HEAD指向克隆仓库HEAD指向的分支，而是指向分支。在
非裸仓库中，这是将被检出的分支。 
 --branch还可以在
生成的存储库中提交标签并分离HEAD。 
 

最后一句说明您可以使用 - branch 带有标签。我唯一不确定的是你是否可以使用 - 单分支并将标签传递给 - 分支。我想你将不得不尝试确认。或者，您必须在远程存储库中创建分支，而不是标签。

更新

你现在说你也想摧毁整个历史。

两种方式：

危险地生活：

  git clean -xdf＃清除所有不在git 
 rm -rf .git＃remove git 
 git init。 ＃把它放回
 git add。 ＃添加所有文件
 git commit -a -m一尘不染的永恒阳光
  

<生活不那么危险

  git rebase --root -i＃需要最近版本的git 
  

然后将每行改为以 s 开头，以压缩到原始提交。 / p>

另请参阅如何将所有git提交压缩成一个？

I need to clone a private repository from GitHub, but I only want to get a specific tag (so basically, cloning is actually the wrong term for it).

Now, the problem is that there are multiple options, and all of them don't really work out:

• GitHub offers tagged versions as archives, but they are not accessible via curl or wget (at least I could not figure out how).
• GitHub does not support archiving repositories.
• I could run a git clone and then run a git checkout to get to the version specified by the tag, but then I download more than I need, I am in detached head state, and all the remaining stuff stays on disk. Of course, I could clean this up manually, but … well, lots of work for a trivial task.

What is the best way to achieve what I want to do?

Update

I think my question was not clear enough, hence I'm adding some more information: What I want is not only get to the revision marked by a tag, but I also want to remove the entire history. Basically, as if Git never existed, and all I ever had was this one single version of my code. Any hints?

解决方案

I think you can do this with git clone --single-branch:

       --[no-]single-branch
           Clone only the history leading to the tip of a single branch, either
           specified by the --branch option or the primary branch remote’s HEAD
           points at. When creating a shallow clone with the --depth option, this
           is the default, unless --no-single-branch is given to fetch the
           histories near the tips of all branches. Further fetches into the
           resulting repository will only update the remote-tracking branch for the
           branch this option was used for the initial cloning. If the HEAD at the
           remote did not point at any branch when --single-branch clone was made,
           no remote-tracking branch is created.

Note that this says you need a branch to be specified with --branch, rather than a tag. However, the documentation for --branch says:

       --branch , -b 
           Instead of pointing the newly created HEAD to the branch pointed to by
           the cloned repository’s HEAD, point to  branch instead. In a
           non-bare repository, this is the branch that will be checked out.
           --branch can also take tags and detaches the HEAD at that commit in the
           resulting repository.

The last sentence says you can use --branch with a tag. The only thing I'm not sure of is whether you can both use --single-branch and pass a tag to --branch. I guess you will have to try that to confirm. Alternatively, you will have to create a branch in the remote repository as opposed to a tag.

Update

You now say you also want to destroy the entire history. Do this afterwards.

Two ways:

Living dangerously:

git clean -xdf  # Clean out everything not in git
rm -rf .git     # remove git
git init .      # put it back
git add .       # Add all the files
git commit -a -m "Eternal sunshine of the spotless mind"

Living less dangerously

git rebase --root -i # needs recent version of git

then change every line to begin with s to squash into the original commit.

Also see How to squash all git commits into one?

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