Discuss gitlab branch deletion management in detail

With the popularity and widespread use of GitLab, more and more development teams are using it to manage and coordinate the development and maintenance of code. In GitLab, branch management as a version control tool is also a very important part. Using branch management can isolate the codes of different development tasks, and then merge them after they are gradually developed and improved to ensure the quality and stability of the main code. However, poorly managed branches may also cause a series of problems during the development process. Among them, deletion management of GitLab branches is an important topic, because deleting branches has a great impact on code management and tracking. In this article, we will explore this topic in detail.

1. A preliminary study on GitLab branch management

First of all, we need to understand the operation and management of branches in GitLab. GitLab is implemented based on Git, and creating branches in GitLab is also done through the Git command line or other Git clients. Some commonly used Git branch operation commands are as follows:

• Create a branch: git branch <branch_name></branch_name>
• Switch branches: git checkout <branch_name></branch_name>
• Create simultaneously And switch to the new branch: git checkout -b <branch_name></branch_name>
• Delete the branch: git branch -D <branch_name></branch_name>

It should be noted that you need to have both Only the write permission of the corresponding project can be used to modify the branch.

2. GitLab branch deletion management

In GitLab, deleting a branch is a very common operation, especially after the development task is completed and the branch is merged into the main branch, in order to ensure the warehouse To keep things tidy and avoid erroneous operations, these unnecessary branches need to be deleted in time. However, some deleted branches may contain important historical records and code processes, which, if not properly recorded and handled, may have an impact on the work of recording and managing code. Therefore, when deleting a branch, we need to consider the following aspects:

1. Record the deleted branch in the log

In GitLab, we can use the command line-based operation recording function Record branch operations. Use the following Git command to view the commit record of the deleted branch:

$ git reflog show --grep=<branch_name></branch_name>

Where, <branch_name></branch_name> is the name of the branch to be deleted. Use this command to view the operation history of the branch and the time when the branch was deleted. Through command line operations, we can clearly record the deletion time of the branch and the deletion personnel information.

2. Create a backup branch

In addition to recording the deletion history of the branch, we can create a backup branch before deleting the branch and merge the deleted branch into the backup branch. In this way, when branch information needs to be restored, historical information can be obtained directly from the backup branch. The creation and merging operations of the backup branch are as follows:

$ git branch backup-<branch_name> <branch_name>
$ git push origin backup-<branch_name>:<backup_branch_name></backup_branch_name></branch_name></branch_name></branch_name>

Where, <branch_name></branch_name> is the name of the branch to be backed up, backup-<branch_name></branch_name> is The name of the backup branch to be saved, <backup_branch_name></backup_branch_name> is the name of the backup branch to be saved to the remote server. After the backup branch is created, we can push it to the remote server to ensure that the backup branch can be used by multiple people.

3. Create a label

After deleting a branch, we can also create a label in GitLab to record the information of the deleted branch. The creation and use of tags is also very convenient and practical. We can record important information in the form of labels when deleting branches.

3. Conclusion

In GitLab, branches are a very important management tool. Therefore, when performing sensitive operations such as branch deletion, we need to pay attention to recording and backup. The following is an example that shows how to complete the backup after deleting the GitLab branch:

Suppose we develop a new feature on the dev branch. If the new feature is developed and has been merged into master branch, we can run the following command locally to delete the dev branch, and upload the deleted dev branch to the remote server:

$ git branch -d dev
$ git push origin :dev

this , we can use the following command to copy the deleted dev branch to the backup branch:

$ git branch backup-dev dev
$ git push origin backup-dev

Finally, we can also use the following command to create a tag that will delete dev Record the branch information:

$ git tag -a del-dev -m "delete branch dev"
$ git push origin del-dev

Through the above measures, we can ensure the integrity of the management and records after deleting the branch, and ensure the tracking and management of historical records and code changes.

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