In the daily use of git for version control, we may accidentally delete a branch. However, don't panic too much, git provides a function to help us withdraw the newly deleted branch.
1. Basic Concepts
Before we delve into how to withdraw the newly deleted branch, we first need to understand some basic concepts and terminology in git.
2. How to withdraw the newly deleted branch
Sometimes, we accidentally delete a branch when using git. If we simply delete the branch without doing anything else, we can easily undo the deletion.
First, you need to know the name of the branch that was just deleted. You can find it with the following command:
$ git log --oneline --abbrev-commit --graph --decorate
This command will display the commit history in the code repository. In the output content, you will see the hash value, submission information, branch information, etc. of each submission.
Now that we have the name of the branch that was just deleted, we can restore the branch using the following command:
$ git branch <branch-name> <commit-hash>
Where, "branch- name" is the name of the branch that needs to be restored, and "commit-hash" is the hash value of the commit node that needs to be restored ("HEAD" can also be used instead).
Once restored, you can continue developing on this branch as usual.
Note: If the branch you just deleted is not the latest commit, you need to move the HEAD pointer to the correct commit node before restoring the branch. You can use the following command to find the correct commit node.
$ git reflog
This command will display the git operation history of the code repository and you can find the correct submission node.
3. Summary
When using git on a daily basis, accidentally deleting a branch is not a big problem. As long as we master the relevant operations, we can easily undo the deletion operation. During the subsequent development process, remember to carefully review every operation to ensure that you do not accidentally delete branches or other important Git resources.
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