How to modify branch name in Git

Git Using branches is a very important way of working. Sometimes, we may need to modify the branch name, perhaps because the branch name is too long, misspelled, irregular naming, etc. Next, we will introduce how to modify the branch name in Git.

1. View branches

Before modifying the branch name, you first need to know all the current branches. Use the following command to view all current local branches:

$ git branch

A list of all local branches will be listed here. You can see that there will be an asterisk in front of the current branch, as shown below:

  master
* dev
  feature-1
  feature-2

2. Modify the local branch name

In Git, there are three main ways to modify the branch name, namely:

• Rename the branch
• Delete the branch and then create a new branch
• Create a new branch and then delete the old branch

Next, let’s introduce these three methods one by one.

2.1 Rename the branch

You can rename the branch through the following command:

$ git branch -m <old-branch-name> <new-branch-name>

Among them, "-m" means "move", that is, move/rename. What needs to be noted here is that remember to switch to other branches to perform operations, otherwise an error will be reported.

2.2 Delete the branch and create a new branch

This method is mainly divided into two steps:

• Delete the old branch
• Create a new one Branch

Step 1, delete the old branch, use the following command:

$ git branch -d <old-branch-name>

This command will delete the specified old branch.

Step 2, create a new branch, use the following command:

$ git branch <new-branch-name>

This will create a new branch and have the same parent node as the current branch.

2.3 Create a new branch and then delete the old branch

This method is also performed in two steps:

• Create a new branch
• Delete Old branch

Step 1, create a new branch:

$ git branch <new-branch-name> 

This will create a new branch. The code of the new branch is exactly the same as the code of the old branch.

Step 2, delete the old branch:

$ git branch -d <old-branch-name>

This will delete the old branch.

3. Push the modified branch name

After modifying the local branch name, you need to synchronize the remote branch. Use the following command to push the modified branch name to the remote warehouse:

$ git push origin :<old-branch-name>
$ git push origin <new-branch-name>

In the above command, ":" means to delete the specified branch from the remote warehouse, and then use the second command to push the new branch to the warehouse.

4. Summary

The above are the three ways to modify the branch name in Git, you can choose according to your needs. It is worth noting that you must be careful when operating Git to ensure that you do not misoperate and cause unnecessary trouble.

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