Git合并后钩子，如何获取合并分支的名称 [英] Git post-merge hook, how to get name of merged branch

问题描述

我正在尝试创建仅在从特定分支合并时才运行的合并后挂钩脚本.我如何确定分支更改的名称来自特定的提交?

例如

 如果$ from_specific_branch == 1则git diff --name-status HEAD @ {1} HEAD"some_folder" |同时读取st文件；做#skip已删除如果["$ st" =='D'];然后继续；科幻#..对那些文件进行处理结尾 

解决方案

首先，值得注意的是，您可能会将任何提交合并到当前提交中-实际上，它不必位于任何分支上.

创建合并时，我相信第一个父级( HEAD ^ 1 )始终是合并时所在的分支.因此，您可以查看 HEAD ^ 2 (如果是章鱼合并，还可以查看 HEAD ^ 3 ， HEAD ^ 4 )并进行测试它们是否在特定分支上.

要测试 HEAD ^ 2 是否在分支 foo 上，可以测试 git merge-base HEAD ^ 2 foo 是否是与 git rev-parse --verify HEAD ^ 2 相同.

I'm trying to create post-merge hook script which runs only when merging from specific branch. How can I determine name of the branch changes came from for specific commit?

e.g.

if $from_specific_branch == 1 then 

git diff --name-status HEAD@{1} HEAD "some_folder" | 
   while read st file; do
      #skip deleted
      if [ "$st" == 'D' ]; then continue; fi

      # .. do something with those files
   end

解决方案

Firstly, it's worth noting that you might be merging any commit into the current commit - it doesn't have to be on any branch, in fact.

When you create a merge, I believe that the first parent (HEAD^1) is always the branch you were on when merging. So, you can look at HEAD^2 (and possibly HEAD^3, HEAD^4 in the case of an octopus merge) and test whether they are on particular branches.

To test if HEAD^2 is on the branch foo, you can test whether git merge-base HEAD^2 foo is the same as git rev-parse --verify HEAD^2.

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