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Git rebase vs. Git merge: What are they and which should you use?

Blog post from Zapier

Post Details
Company
Date Published
Author
Candice Zheng
Word Count
3,645
Language
English
Hacker News Points
-
Summary

Git, the popular version control system, offers two primary commands for integrating changes from one branch to another: merge and rebase. Each method has distinct advantages and challenges, with merge preserving all original commits and creating a "merge commit" that maintains separate development timelines, making it safer and straightforward for collaborative environments. However, merge can clutter the commit history and complicate debugging. Rebase, on the other hand, rewrites the commit timeline to create a linear history, offering a cleaner and more manageable project history, especially useful for private branches or when preparing for pull requests. While rebase can streamline commit logs and facilitate easier debugging, it poses risks of data loss and conflicts when not handled carefully, particularly in shared branches. Interactive rebasing allows developers to edit, squash, or reorder commits, further refining commit history. The choice between using merge or rebase depends on the project's context and priorities, with merge favoring collaboration and safety, and rebase offering a tidier history for projects valuing clarity. Best practices include making small, focused commits, using branches for new developments, writing meaningful commit messages, and prioritizing code reviews. Additionally, tools like Zapier's GitHub integrations can enhance development workflows through automation and notifications.