Скачать или смотреть How to Properly Stash Changes on a Rebased or Reset Upstream in Git

Learn the correct way to stash your changes when rebasing or resetting upstream in Git, preventing lost modifications during the process.
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This video is based on the question https://stackoverflow.com/q/73666553/ asked by the user 'SwiftMango' ( https://stackoverflow.com/u/1270003/ ) and on the answer https://stackoverflow.com/a/73666717/ provided by the user 'LeGEC' ( https://stackoverflow.com/u/86072/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Understanding the Problem: Stashing Changes on a Rebasing/Resetting Upstream

If you're using Git for version control, you know how crucial it is to manage your branches and changes efficiently. One common scenario developers encounter is syncing their local repositories with an updated upstream while trying to preserve their ongoing changes.

Imagine this situation: You're working on a project that started with a base commit labeled A and made local changes leading to commit B. Meanwhile, the remote repository has progressed from A to a new commit C. Now, you want to update your local history to reflect C while maintaining your changes in B.

When you attempted to stash your changes, update to C, and then pop your stash back, you experienced an unexpected consequence; the new changes from C disappeared during the stash merge. How can you handle this process without losing any of your crucial modifications?

Let's break down the solution step by step.

Steps to Properly Stash Changes After Rebasing or Resetting Upstream

Fetch the Latest Changes: Start by updating your local references of the remote branch.

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Create a New Branch from Your Commit: Before you reset your current branch to the remote, it's important to save your current state. You can find the SHA (commit identifier) for B in your Git reflog.

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Stash Your Changes: Now that you've preserved your commit, stash your changes one more time to safeguard any uncommitted modifications.

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Rebase Instead of Reset: Instead of using git reset --hard remote/main, use rebase, which replays your commit on top of the latest remote changes.

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Apply Your Stashed Changes: Now, merge your changes back on top of the newly rebased branch.

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Cleanup: Finally, once you've confirmed everything is working correctly, clean up your workspace by dropping the stash and deleting the temporary branch you created.

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Conclusion

By following these steps, you can smoothly rebase your local changes onto an updated upstream without losing any important commits or modifications. It's always best practice to manage your branches carefully and keep backups of your work, especially during complex operations like rebases. The use of stash, cherry-pick, and rebase allows you to retain control over your changes, ensuring that your workflow remains seamless and efficient.

Don't forget to regularly fetch and check the status of your branches to keep your local work in sync with the upstream development. Happy coding!