How to delete a version in Git

Git is a very powerful version control system that can track every modification in the project and help developers manage versions reasonably. But in the actual development process, sometimes we will find that there is a problem with a certain version and need to delete it. So how to delete the version in Git? The following will introduce it to you in detail.

The first situation: delete the local version

If you just want to delete the local version (that is, the version on your local computer), then you can use the following command:

git rm 文件名

Before executing this command, you need to make sure that the branch you are currently on is correct. If you don’t know the current branch, you can use the following command to view:

git branch

When executing the git rm command, if you just want to delete the specified file from your local library, you can Use the above command. If you want to delete the specified file from the local library and the working directory at the same time, you can use the following command:

git rm --cached 文件名

It should be noted that these two commands will not delete the version, it will only delete the specified file. file or directory.

Second case: Delete submitted version

If you want to delete a submitted version, you can use the following command:

git revert <commit-id>

Among them, <commit -id> is the commit version number to be deleted.

It should be noted that before using this command, you need to make sure that you have switched to the branch where the version to be deleted is located. If you don't know how to switch branches, you can use the following command to view all branches:

git branch

Find the branch you want to switch to, and use the following command to switch to that branch:

git checkout 分支名

In usegit revert command, Git will create a new commit version, which will delete the specified commit version. It should be noted that using this command does not actually delete the submitted version, but creates a new submitted version based on this version, so this command is relatively safe.

Third scenario: Delete the remote version

If you want to delete the remote version, you can use the following command:

git push origin :分支名

It should be noted that before executing this command, You need to make sure you have permission to delete the remote version first. If you do not have permission, you can submit a request first and wait for approval by the administrator.

When using the above command, :branch name is the name of the branch to be deleted. Git will delete all commits on the branch, so proceed with caution.

Summary

The above are the three situations of deleting versions in Git, namely deleting the local version, deleting the submitted version and deleting the remote version. It should be noted that deleting a version is dangerous, so you need to operate with caution. Be sure to back up the data before deleting the version to avoid data loss caused by misoperation. I hope the above content can be helpful to everyone.

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