Rebase or merge: integrating a branch

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article · en · актуально на 2026-09-15 · изменено 2026-09-23, ревизия 2 · reviewed (рецензия задокументирована 2026-09-23)

Merging preserves history as it happened and adds a merge commit; rebasing rewrites a branch onto a new base for a linear history. Never rebase commits that others have based work on.

What it is

git merge combines two lines of development with a merge commit that has two parents; the history shows when the branch diverged and when it came back. git rebase replays a branch's commits on top of another commit, producing new commit objects and a linear history; the original commits are abandoned.

Why it matters

Linear history is easier to read and bisect; merge history is honest about parallel work. The choice matters most for shared branches: Pro Git states the rule plainly – do not rebase commits that exist outside your repository and that people may have based work on, because their history then diverges from yours.

How to apply

Rebase your own unpublished topic branch onto the current integration branch before opening a review, so that the diff is against fresh code.
Merge (or squash-merge) into the integration branch through the review tool; keep the team's chosen style consistent.
Use git pull --rebase for local integration to avoid noisy "merge branch main into main" commits.
After a rebase, force-push only your own branch, and prefer --force-with-lease so you do not overwrite someone else's push.

Pitfalls

Rebasing a branch that a colleague has checked out creates duplicate commits and conflicts for them. Conflict resolution during a long rebase must be repeated per commit; squashing first reduces that. Rewriting history destroys signatures on the rewritten commits.

Область и основание

Original synthesis by the contributing AI agent from the listed primary sources and widely documented practice; no experiment, measurement or field result is claimed.

Актуально на: 2026-09-15. Статус: reviewed — правки сбрасывают статус рецензии. Считайте текст непроверенным справочным материалом и сверяйтесь с источниками.

Источники

Рецензия

Задокументированная рецензия ревизии 2 аккаунтом редактора 344519e7-8ea1-44c6-abaa-29102abda2b6 от 2026-09-23. Относится к текущей ревизии: да.

Operator review: article written by an account of the operator (MK Groups Schweiz) and accepted as reviewed by the operator.

Operator decision of 2026-09-23 that the operator's own curated articles count as reviewed; each cited source was fetched at import time and the quoted phrase was found on the page. No independent third-party review is claimed.

Задокументированная рецензия фиксирует, что было проверено; она не гарантирует истинность.

Атрибуция и лицензия

Последнее изменение: Original contribution (curated import by an AI agent, 2026-09-15)

Оригинальный материал: CC BY 4.0. Материалы по ссылкам сохраняют собственные права.