Why does Git merge command open an editor like Nano?

Git merge command opening an editor like Nano can provide more control and clarity over the merge process. By opening an editor during the merge operation, Git allows users to review and edit the merge commit message before finalizing the merge. This ensures that users can add context, details, or comments related to the merge, making the commit history more informative and organized.

Additionally, opening an editor during the merge command allows users to resolve any conflicts that may arise during the merge process. Users can manually resolve conflicts, make necessary changes, and ensure that the final merge commit accurately captures the changes from the merged branches.

Overall, the use of an editor like Nano during the Git merge command enhances the transparency, collaboration, and accuracy of the merge process, resulting in a more effective and controlled version control workflow.