Скачать или смотреть Mastering Git: How to Rebase Multiple Merges and Squash Commits

Learn the step-by-step process of effectively rebasing branches in Git while retaining all changes and squashing commits for a cleaner history.
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Mastering Git: How to Rebase Multiple Merges and Squash Commits

Git is an essential tool for developers, enabling them to manage code changes efficiently and effectively. However, navigating rebases, especially when dealing with multiple branches, can be complicated. In today's guide, we'll tackle a common problem: how to rebase a branch that has multiple merges while squashing commits, without losing any changes.

Understanding the Scenario

Let's break down the scenario to know exactly what we are dealing with:

Branching Structure: You have a master branch from which you created another branch, let's call it A, where you made some changes.

Sub-branch Creation: From branch A, you created another branch, B, to implement additional features or fixes.

Merging: Once you completed your changes in branch B, you merged it back into branch A. Now, branch A contains the changes from both itself and branch B.

This setup brings us to the main challenge: you want to rebase branch A onto master, but you need to squash the commits from branch B into a single commit to maintain a clean commit history, while also ensuring that none of the changes from B get lost.

The Solution: Step-by-Step Guide

To achieve your goal of rebasing and squashing commits with Git, follow these organized steps:

Step 1: Rebase Branch B onto A

Start by rebasing branch B onto A. This step ensures that B is built on top of the latest changes in A. Use the following command:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Squash the Commits in Branch B

Next, you need to squash the commits from branch B. This action condenses the changes into a single commit, making the history cleaner. To do this, you can use the interactive rebase feature:

[[See Video to Reveal this Text or Code Snippet]]

In the interactive rebase window:

Change pick to squash (or just s) for all but the first commit of B. This action will combine the commits into one.

Step 3: Rebase Branch A onto Master

You are almost there! Now that B is squashed, switch back to branch A and rebase it onto master:

[[See Video to Reveal this Text or Code Snippet]]

This command will apply the changes of A (which now include the squashed changes from B) onto master, integrating everything smoothly without losing any changes.

Conclusion

Following these steps, you can successfully rebase a branch containing multiple merges while squashing commits. Utilizing Git's powerful rebasing abilities keeps your commit history clean and organized, leading to better collaboration and easier project management. Mastering git rebase not only improves your workflow it enhances the overall quality of your version control practice.

We hope this guide helps you tackle your Git rebasing challenges with confidence. Happy coding!