从post-checkout钩子中检索分支名称 [英] Retrieving branch names from within a post-checkout hook

问题描述

当在Git中从一个分支切换到另一个分支时，是否有任何方法从post-checkout钩子中检索两个分支的名称？

所以假设我要运行以下两个命令：

  $ git branch 
 * branch_a 
 branch_b 
 master 
 $ b $ git checkout branch_b 
转换到分支'branch_b'
  

我会寻找以下两个字符串（在结账后的钩子）：

 branch_a
branch_b
  

解决方案

$ c> git reflog 在你的钩子里得到上一个和下一个分支。
这里有个简单的例子：

$ $ $ $ $ $ $ $ $ $ $ $ $ =前一分支，$ 8是下一分支
git reflog | awk'NR == 1 {print $ 6 - >$ 8;退出}'

编辑：更新了答案。这里是前面的内容：

这个钩子有三个参数：

• 前一个HEAD的引用


• 新头的引用


• 1如果是分支签出，则为0用于文件签出。
  

有了这两个第一，你应该有足够的信息来做你想做的事情。

When switching from one branch to another in Git, is there any way to retrieve the names of both branches from within the post-checkout hook?

So assuming I were to run the following two commands:

$ git branch
* branch_a
  branch_b
  master

$ git checkout branch_b
Switched to branch 'branch_b'

I'd be looking for the following two strings (in the post-checkout hook):

"branch_a"
"branch_b"

解决方案

You can use git reflog inside your hook to get the previous and next branch. Here a simple working example:

#!/bin/bash

# $6 = previous branch, $8 is next branch
git reflog | awk 'NR==1{ print $6 " -> " $8; exit }'

EDIT: updated answer. Here the previous:

This hook is given with three arguments:

• the ref of the previous HEAD
• the ref of the new HEAD
• 1 if it was a branch checkout, 0 for a file checkout.

With the two firsts you should have enough information for what you are trying to do.

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