Git:有没有一种方法可以自动推送子树?

问题描述

我有一个很大的私有存储库，该存储库保存在本地网络上.我想自动将该存储库的子树推送到该网络之外.我需要它很简单:

I have a big private repository which is maintained on a local network. I'd like to automatically push a subtree of that repository outside of that network. I need it to be simple:

*任务* 有人推送到本地远程存储库->子树会自动推送到其他存储库

*Task* someone pushes to local remote repository --> a subtree is automatically pushed to some other repository

我不确定这是否可以通过服务器端挂钩来实现，因为AFAIK不存在从裸机远程推送 subtrees 的问题.我提出了两个想法:

I am not sure if this could be achieved with a server side hook because AFAIK there is no such thing as pushing subtrees from bare remotes. I came up with two ideas:

• 我可以在服务器上克隆远程服务器，并自动在克隆的远程服务器中拆分子树.这真的没有帮助，因为我不知道如何自动拉子树(其他人也有 this问题).
• 另一个想法是编写一个自定义客户端post-commit-hook并让每个用户安装它，但这很糟糕，不是吗? Git书明确指出，政策应在服务器端强制执行.

• I could clone the remote on the server and automatically split the subtree in the cloned remote. This doesn't really help because I don't know how to auto-pull the subtree (others also have this problem).
• Another idea is to write a custom client-side post-commit-hook and make every user install it, but this is terrible, isn't it? Git book specifically states that policies should be enforced on server side.

有没有简单的方法可以实现这样的目标?还是这不可能，而仅仅是git滥用?

Is there a simple way of achieving something like this? Or is this impossible and it's just git abuse?

推荐答案

嗯，我有点不好意思.显然，这比我想象的要容易得多.这是一个基于 @wrzasa 建议的草草解决方案:

Umm, I'm a bit embarrassed. Apparently this was much easier than I thought. Here is a hasty solution which builds on @wrzasa suggestion:

1. 将您的存储库克隆到要推送到的服务器上，如下所示(dir.git是一个裸仓库):

1. Clone your repository on the server to which you are pushing, like this (dir.git is a bare repo):

.
|- dir.git
|- dir

在dir中执行:git remote add <remote-name> <remote-address>

In dir do: git remote add <remote-name> <remote-address>

在dir.git/hooks/post-receive中放置:

#! /bin/bash
unset GIT_DIR
cd ../dir
git pull ../dir.git
git subtree split --prefix=<subdir-in-dir> --branch=<branch-name>
git push <remote-name> <branch-name>

记住要使post-receive可执行.如果您想知道为什么需要unset GIT_DIR，请参见此答案.

Remember to make post-receive executable. See this answer if you wanna know why unset GIT_DIR is needed.

就是这样.现在，只要有人推送到<subdir-in-dir>下的dir远程(即dir.git)子树，就会被推送到<remote-name>.

That's pretty much it. Now whenever someone pushes to dir remote (i.e. dir.git) subtree under <subdir-in-dir> will be pushed to <remote-name>.

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