[Feature] gitlab - Link Merge Requests to Issues in the gitlab plugin

[mdevilliers]

Search before asking

• [X] I had searched in the issues and found no similar feature requirement.

Use case

As a Gitlab user I would like to see which Merge Requests contributed to resolving an Issue/Bug/Work Item.

Description

Our developers usually add the issue number (in our case JIRA) to either the title or the description of a Merge Request.

In the _raw_gitlab_api_merge_requests table I can see the API request currently captures that information

{"id":...,"iid":...,"project_id":...,"title":"ABCD-6514 fixed for view, program and client","description":"Related to ABCD-6514","state":"merged"... "source_branch":"..." ...}

Our JIRA instance has the board with the prefix "ABCD-".

Similar to the functionality of the Github plugin the Gitlab plugin would use a configuration value that defines a regular expression to parse out the issue string (in this case any string starting "ABCD-") from the title and description and add a record to the table pull-request-issues.

Questions

• Is it valid for the pull-request-issues to map multiple pull requests to a singular issue?
• What to do when there isn't an issue already imported?

Related issues

No response

Are you willing to submit a PR?

• [X] Yes I am willing to submit a PR!

Code of Conduct

• [X] I agree to follow this project's Code of Conduct