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conventional-branch

Create and check Git branch names using Conventional Branch rules. Choose a prefix for the task, normalize the description, detect the repository’s base branch, and create and switch to the new branch.

OriginalShow the original description

Create Git branches following the Conventional Branch specification (feature/, bugfix/, hotfix/, release/, chore/). Use when creating a new branch, naming a branch, or checking whether a branch name complies with the spec.

See how to install

Good for

  • Create a branch for a new feature or bug fix
  • Check whether a branch name follows naming rules
  • Include an issue number in a branch name
  • Create a release branch with a version number

Files included (1)

  • SKILL.md4.2 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

Conventional Branch

Create Git branches that follow the Conventional Branch specification — a simple, consistent convention for naming Git branches.

Branch Name Format

<type>/<description>

Branch Types

TypeAliasPurpose
feature/feat/New features or enhancements
bugfix/fix/Bug fixes
hotfix/—Urgent production fixes
release/—Release preparation (dots allowed in version: release/v1.2.0)
chore/—Non-code tasks (deps, docs, config)

Trunk Branches

main, master, and develop are trunk branches — they do not use a prefix. Never create new branches with the same names as trunk branches; branch off them instead.

Naming Rules

  • Lowercase only — no uppercase letters anywhere
  • Alphanumerics, hyphens, and dots — a-z, 0-9, -, .
  • Dots allowed only in release/ version descriptions (e.g., release/v1.2.0)
  • No underscores, spaces, or special characters
  • No consecutive hyphens (--), dots (..), or hyphen-dot adjacency (-. or .-)
  • No leading or trailing hyphens or dots in the description

Valid Examples

main
master
develop
feature/add-login-page
feat/add-login-page
bugfix/fix-header-bug
fix/header-bug
hotfix/security-patch
release/v1.2.0
chore/update-dependencies
feature/issue-123-new-login

Invalid Examples

BranchProblem
Feature/Add-LoginUppercase letters
feature/new--loginConsecutive hyphens
feature/-new-loginLeading hyphen
feature/new-login-Trailing hyphen
release/v1.-2.0Hyphen adjacent to dot
fix/header bugSpace
fix/header_bugUnderscore
unknown/some-taskUnknown prefix type

Description Guidelines

  • Use kebab-case with 2-5 words
  • Be descriptive but concise (~50 chars total)
  • Good: add-oauth-login, fix-header-overflow, update-ci-config
  • Bad: fix-bug, new-feature

Workflow

Follow these steps:

Step 1 — Determine Branch Type

Ask the user (if not already clear):

  • Branch type — default to feature when uncertain
  • Brief description — what the branch is for

If the user mentions a ticket or issue number, include it in the description (e.g., feature/issue-123-add-oauth).

Step 2 — Validate the Name

Check the assembled name against the Naming Rules above. If any rule fails, fix it:

  • Lowercase everything
  • Replace underscores and spaces with hyphens
  • Collapse consecutive hyphens
  • Strip leading/trailing hyphens

Step 3 — Detect the Base Branch

Different repos use different trunk branches. Detect which one this repo uses:

# Prefer the remote's default branch
git symbolic-ref --short refs/remotes/origin/HEAD 2>/dev/null | sed 's|^origin/||'

If that returns nothing, check which trunk branch exists locally (priority order: develop, main, master):

for b in develop main master; do
  git show-ref --verify --quiet "refs/heads/$b" && echo "$b" && break
done

Step 4 — Create and Checkout

git checkout <base>
git pull origin <base>
git checkout -b <type>/<description>

Step 5 — Confirm

Tell the user:

  • The branch name that was created
  • That they are now on the new branch
  • Remind them: git push -u origin <branch-name> when ready

Relationship with Conventional Commits

Conventional Branch complements Conventional Commits:

Conventional BranchTypical Conventional Commit
feature/add-loginfeat: add login page
bugfix/fix-headerfix: header overflow on mobile
chore/update-depschore: bump lodash to 5.0
release/v1.2.0chore: release v1.2.0

Align the branch type with commit types where possible (e.g., feature/* branches with feat: commits).

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