How to implement gitlab to merge only part of the commits

In software development projects, GitLab is a very popular version management system. In the case of multi-person collaboration, a common situation is to merge some commits into the main branch, while keeping other commits in the development branch for later adjustments and modifications.

This can be easily achieved using GitLab. Here are some simple steps, along with some helpful tips, to help you merge commits on GitLab that you only want to partially merge into the master branch:

1. Create a new branch

First, you need to create a new branch where you can make any necessary changes and adjustments to the commits you want to merge into the master branch. Name this branch "merge-partial" or something similar to avoid naming conflicts with existing branches.

2. Partial merge commits to a new branch

Next, you need to merge the commits you want to partially merge into that new branch. You can use GitLab's "Cherry Pick" command to select commits to partially merge. This command applies committed changes from one branch to another.

For example, you can merge the last commit in "my-branch" into "merge-partial" using the following command:

$ git cherry-pick my-branch~1..my-branch

In this case, "my-branch ~1" represents the penultimate commit in "my-branch", and "my-branch" represents the last commit.

3. Push a new branch to GitLab

Push partially merged commits to a new branch on GitLab. This can be performed with the following command:

$ git push origin merge-partial

4. Create Merge Request

On GitLab, create a new merge request and assign it to the appropriate team member Review and moderate your local merge requests.

5. Use the "merge when pipeline succeeds" option

When the merge request is created, select the "merge when pipeline succeeds" option in "merge options". This will ensure that your partial merge request has been tested and the necessary checks and validations have been completed before merging into the master branch.

6. Merge commit to master branch

Finally, once your merge request has been verified and reviewed and the tests have been successful, you can merge the branch into the master branch. This can be achieved by:

On the merge request interface, click the "merge" button.

Make sure the "merge when pipeline succeeds" option is selected and click "merge", then close the merge request.

Summary:

The process of completing a partial merge commit on GitLab requires following some simple steps. By creating a new branch, merge the commits you want to merge, push the new branch to GitLab, create a merge request and use the "merge when pipeline succeeds" option to ensure a successful merge to the master branch. This approach allows development teams to manage code more efficiently and to modify or adjust portions of commits at any time without worrying about impacting other ongoing projects.

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