There are some rules that are best to follow when merging a pull request.

When merging a pull request, GitHub offers 3 options:

• Create a merge commit
• Squash and merge
• Rebase and merge

We should use each of them depending of the situation:

• If PR has only one commit and commit explains well what was done use Rebase and merge
• If PR has only one commit but commit does not explain exactly what was done use Squash and merge and add commit name that will explain more exactly what was done
• If PR has more commits but they are intermediary (ex: fix style, add object, remove test ) also use Squash and merge and add a commit name that will group all commits in one
• If PR has more commits but every commit has an explicit title what has been done, each commit is a single unit, then use Create a merge commit so each commit will be visible in default branch

If you want to read more about how to write correct commit messages, follow the link https://conventionalcommits.org

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