GitHub What Is Rebasing
To answer github what is rebasing, it moves a branch to a new base commit. You do this by replaying your saved changes on top of the latest main branch. Teams use this workflow to keep their project history in a straight, clean line. Many teams start by giving every developer broad write roles on shared code repos. When branch rules are too broad, a developer can force push and erase team work. Understanding github what is rebasing in daily work In daily work, two developers often edit the sa
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To answer github what is rebasing, it moves a branch to a new base commit. You do this by replaying your saved changes on top of the latest main branch. Teams use this workflow to keep their project history in a straight, clean line. Many teams start by giving every developer broad write roles on shared code repos. When branch rules are too broad, a developer can force push and erase team work.
Understanding github what is rebasing in daily work
In daily work, two developers often edit the same codebase at the same time. One developer finishes early and merges new changes into the main branch. Now the second developer has a feature branch that is out of date. Rebasing solves this problem by lifting the new work off the old starting point. The version control tool finds every commit made on the feature branch. It sets those commits aside for a moment in a temporary area. Next, the tool updates the feature branch to match the current main branch. Then it applies each saved commit one by one on the new base. Because the base changed, the tool creates brand new commits with new IDs. If two people changed the same line, the tool pauses the run. The developer must fix the conflict by hand before the process can finish. You can also run this step right inside a pull request on the web. When you pick the rebase and merge option, the web app replays your commits. It places them at the tip of the main branch without a merge commit.
Comparing rebasing with standard branch merges
Teams often debate whether to rebase or use a standard merge for updates. A standard merge ties two branches together with a brand new merge commit. This keeps the exact time order of every single change in the log. Still, a busy repo quickly fills up with extra merge lines and loops. Reading that tangled history later makes it hard to track down a bug. Rebasing avoids those extra merge commits and makes a flat, single line. Anyone reading the log sees features added one after another in clean order. The main risk comes from how rebasing rewrites old commits into new ones. If you rebase a branch that teammates already pulled, their local copies break. When they try to sync, the tool sees two different histories collide. Teams follow one golden rule to prevent this mess during daily work. Never rebase a public branch that other people use for their own work. Only rebase your own private feature branch before you merge it into main.
What branch rules solve and what they miss
Git platforms give you branch rules to stop bad history rewrites on shared code. Admins can block force pushes on the main branch for all team roles. They can also require pull request checks and code reviews before any merge. These repo settings do a great job of protecting your source code files. Still, code repo rules only govern git branches and who can merge files. They do not govern what happens when developers touch live backend systems. During a messy rebase, a developer often needs to check live database state. They might log in to a database or cloud console to test fixes. Repo permissions decide who edits code, not what queries run on live data. Once a user logs in to a database, broad roles allow any command. A single mistake can expose phone numbers, emails, or card numbers in results. Protecting git branches is only half of the safety story for engineering teams.
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Frequently asked questions
When should a developer avoid rebasing a branch?
Never rebase a shared branch that other developers have pulled to their machines. Rewriting shared history creates duplicate commits and breaks the repo for your team.
Does rebasing delete my old code commits?
Rebasing does not delete your work right away, as it makes new commits. The old commits stay in a local backup log for a short time.
How do we stop force pushes after a bad rebase?
Turn on branch protection rules in your repo settings for all shared branches. Block force pushes and require reviews so no one can overwrite main history.