Скачать или смотреть How to Create a New Branch from an Existing Git Branch for Continued Development

Learn how to effectively create a new Git branch from an existing branch while retaining changes. Follow our step-by-step guide to avoid potential merge conflicts.
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This video is based on the question https://stackoverflow.com/q/64497697/ asked by the user 'hoangnh' ( https://stackoverflow.com/u/1420945/ ) and on the answer https://stackoverflow.com/a/64498389/ provided by the user 'Vito Liu' ( https://stackoverflow.com/u/13903626/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Create a New Branch from an Existing Git Branch for Continued Development

In the world of software development, particularly when using Git as a version control system, managing branches effectively is essential. Many developers encounter situations where they need to branch off from an existing branch to start new features while retaining ongoing changes. This guide will guide you through the process of creating a new branch from an existing branch, specifically focusing on how to create # feature2 based on # feature1 in your project.

The Challenge: Transitioning to a New Feature Branch

In your scenario, you have the following setup:

A remote branch named DEV.

A local branch named # feature1 that you have already pushed to the remote.

You want to start working on a new feature called # feature2, while ensuring that any changes from # feature1 are accessible in # feature2.

Your Options

You outlined two potential options for taking this next step, and I’m here to help clarify them:

Checkout a new branch # feature2 from # feature1.

Checkout # feature2 from the local DEV branch and merge # feature1 into # feature2.

Let's break these options down further to understand the best approach.

Option 1: Creating # feature2 from # feature1

If you decide to checkout a new branch # feature2 based on # feature1, you can do this with the following command:

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

Key Points:

This action creates a new branch called # feature2 that includes all the changes made in # feature1.

When you later create a Pull Request (PR) for # feature2, it will not be merging into # feature1. Instead, you can target DEV or any other branch where you want the changes to go.

Advantages:

Continuous development: You can seamlessly continue your work from # feature1.

Independent PRs: You still maintain the opportunity to create a PR for # feature2 independent of # feature1.

Option 2: Merging into # feature2 from DEV

Alternatively, you can also choose to checkout # feature2 from the DEV branch and then merge # feature1 into it. Here’s how that would look:

Checkout the DEV branch and ensure you have the latest changes:

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

Create the # feature2 from DEV:

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

Merge changes from # feature1 into # feature2:

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

Potential Challenges:

Merge Conflicts: If there are significant changes in # feature1, you may encounter merge conflicts when merging into # feature2. Be prepared to resolve these conflicts before finalizing your changes.

Advantages:

This approach consolidates all changes from DEV and # feature1 into your new feature branch, giving you the latest codebase as a foundation.

Conclusion

In conclusion, both options are viable depending on your workflow and development style. If you simply want to continue working from your existing changes in # feature1, then creating a new branch from it is a straightforward route. Conversely, if you prefer to base your new work off the most recent updates in the DEV branch, merging in changes from # feature1 after creating the new branch could be more appropriate.

Whichever method you choose, understanding how branching works in Git allows for more efficient and effective development practices. Keep Git's branching features in your toolkit as you collaborate on projects, and don't hesitate to refine your approach as needed!