Main area
Agency
entwickler-tools

Git Branching Strategies — Trunk-Based, Gitflow and GitHub Flow Compared

Redaktion ·

A branching strategy is the agreement about how your team works with branches: who works where, how long branches live, when and how things get merged. There is no single correct strategy — there’s the one that fits your team size, release rhythm, and degree of automation. This article presents the three common models, explains the pull request workflow, and gives a pragmatic recommendation for small teams.

Trunk-Based Development

In trunk-based development everyone works close to the main branch (the “trunk,” usually main). Branches are extremely short-lived — hours to at most a day or two — and changes are integrated very frequently.

The advantage: because work is merged into the trunk continuously, there are barely any diverging branches and barely any big merge conflicts. Bugs show up immediately, not weeks later. This fits perfectly with continuous integration and fast releases.

The price: trunk-based only works with strong automation. Without reliable CI, automated testing, and guardrails, the constant integration into the main branch becomes chaotic and risky. Work directly on main without a test safety net and you break builds left and right.

Gitflow

Gitflow is the most powerful and at the same time the heaviest model. It works with several long-lived branches:

  • main — the production-ready, always-shippable state
  • develop — the integration branch for the next version
  • feature/* — branches for individual features
  • release/* — branches for stabilizing a version before launch
  • hotfix/* — for urgent fixes directly on main

This gives a lot of control and supports parallel feature work plus maintaining several versions at once. But that very power is the weakness: long-lived branches accumulate merge conflicts — the longer a branch lives, the harder the merge. Reviewers see giant pull requests instead of bite-sized changes, and bugs surface late. In a CI/CD world, Gitflow is overhead for most teams.

GitHub Flow

GitHub Flow is the pragmatic middle ground and the most widespread model. It knows only two kinds of branches:

  • main — always shippable
  • short-lived feature branches — one branch per task, merged back into main via a pull request

The flow: branch off main, make the change, open a pull request, run review and CI, merge, delete the branch. Simple, fast, understandable — and with the pull request as a safety net compared to working directly on main. GitHub Flow sits between trunk-based (speed, high automation requirement) and Gitflow (control, high overhead).

The pull request workflow

Whether GitHub Flow or trunk-based — the heart of modern collaboration is the pull request (on GitHub) or merge request (on GitLab). The flow:

  1. Branch and change. A short-lived branch holds a self-contained change.
  2. Open a pull request. The branch is proposed for merging into main.
  3. Review. At least one teammate reads the change and comments. Small PRs are gold here — they can be reviewed thoroughly, giant ones can’t.
  4. CI checks. Automated tests, linters, and builds run against the PR. If something fails, it doesn’t merge.
  5. Merge. Only once review and CI are green does the change land in main.

This flow keeps the main branch stable and makes changes traceable.

Short-lived vs. long-lived

The key insight lies in branch lifespan. Short-lived feature branches (hours to days) are almost always better: less conflict potential, faster integration, smaller and more reviewable PRs. Long-lived branches (weeks) are the main source of merge pain and late bug discovery. Gitflow’s release and hotfix branches have their place if you have to maintain several versions — for most web projects with continuous deployment they’re unnecessary ballast.

Recommendation for small teams

For small, fast teams (two to five developers) the recommendation is almost always: GitHub Flow or trunk-based with pull requests and solid CI. Gitflow only pays off if you have real multi-version requirements (such as software maintained across several parallel releases).

Concretely: start with GitHub Flow. It’s simple, the PR gives you a review and CI safety net, and it scales from two to fifty developers. Once your automation is mature and you want even more pace, trunk-based is the next step.

A commit convention is a worthwhile addition. Conventional Commits — a simple format like feat:, fix:, docs: in front of the commit message — keeps the history readable and can be parsed for automatic changelogs and versioning. Clean branches plus clean commits give you a history you can still work with months later.

FAQ

Which branching strategy is the best? There’s no universally best one. For small teams with continuous deployment, GitHub Flow is usually ideal: simple, with a PR safety net, widely proven. Trunk-based is faster but demands strong automation. Gitflow fits only with real multi-version requirements.

What’s the difference between GitHub Flow and trunk-based? Both rely on short-lived branches and main as the shippable state. GitHub Flow always interposes a pull request with review and CI. Trunk-based pushes the principle further: even shorter branches, partly direct work on the trunk, relying on strong automated tests in return.

Why are short-lived branches better? The longer a branch lives, the more it drifts from main — merge conflicts pile up, and reviewers get giant, hard-to-review PRs. Short-lived branches integrate frequently, keep conflicts small, and surface bugs early.

When is Gitflow worth it anyway? When you have to maintain several versions in parallel — for example on-premise software where version 2.x and 3.x both need security updates at the same time. The release and hotfix branches are then a real tool, not overhead.

How do branching strategy and CI relate? Closely. Any strategy with frequent integration (trunk-based, GitHub Flow) lives on automated tests and builds that check every pull request before it lands in main. Without CI the safety net is missing, and frequent merging becomes risky instead of liberating.

Themenuebersicht

Entwickler-ToolsVersionskontrolle