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Generates changelogs and creates tagged releases. Use when updating changelogs, preparing releases, or tagging versions.
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SOC 職業分類に基づく
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| name | changelog |
| description | Generates changelogs and creates tagged releases. Use when updating changelogs, preparing releases, or tagging versions. |
| license | MIT |
| context | fork |
| agent | general-purpose |
| allowed-tools | Read, Write, Edit, Grep, Glob, Bash(git *), Bash(gh *) |
| argument-hint | [version] |
Every invocation creates a versioned release. Gathers commits since the last tag, writes a dated release entry in CHANGELOG.md, commits, tags, and pushes. Follows Keep a Changelog format and Conventional Commits conventions.
git status --porcelain must return empty (CHANGELOG.md exempt). If dirty, abort and tell the user to commit or stash first.git fetch origingit rev-list --count HEAD..origin/$(git branch --show-current). If behind, abort and tell the user to pull first.If $ARGUMENTS contains a version (e.g., v1.2.0), use it directly.
Otherwise, auto-detect from commits since the last tag:
git tag --sort=-v:refname | head -1
If no tags exist, treat the current version as 0.0.0.
Scan commits: git log --pretty=format:"%s%n%b" <last-tag>..HEAD. Apply the highest-priority rule:
| Priority | Signal | Bump |
|---|---|---|
| 1 | Breaking change — BREAKING CHANGE in body/footer, or type! suffix (feat!, fix!) | Major |
| 2 | New feature — feat or feat(scope) prefix | Minor |
| 3 | Bug fix or improvement — fix, perf, or other included types | Patch |
If all commits were filtered (docs, test, ci, chore only), report "No release needed" and stop.
Report the detected version before continuing:
Next version: X.Y.Z (bump — reason)
Commits since vCURRENT: N total (N included, N filtered)
git tag -l vX.Y.Z. If the tag already exists, abort and report the conflict.
git log --oneline <last-tag>..HEADci:, chore:, test:, docs:, and style: commits. For refactor: commits, include only when the diff touches a public API, CLI flag, configuration schema, or user-facing output; otherwise drop.git remote get-url origin).## [X.Y.Z] - YYYY-MM-DD with today's date, placed above existing version sections.git add CHANGELOG.mdgit commit -m "Release vX.Y.Z"git tag -a vX.Y.Z -m "Release vX.Y.Z - <one-line summary of changes>"git push --follow-tagsgit ls-remote --tags origin | grep vX.Y.Z and report the version, tag, and commit hash.Map Conventional Commits prefixes to Keep a Changelog sections. See references/changelog_format.md for the full mapping, writing style, and anti-patterns.
| Commit Prefix | Changelog Section |
|---|---|
feat: | Added |
fix: | Fixed |
refactor: (user-visible) | Changed |
security: | Security |
docs:, test:, ci:, chore: | Filter out |
Always include: features, user-facing bug fixes, breaking changes, security fixes. Always filter: merge commits, internal refactors, test changes, CI config, typos.
Translate technical commits to user-friendly language:
fix(auth): resolve JWT expiry edge case -> "Fixed session timeout issues for long-running sessions"feat(api): add /users endpoint -> "Added user management API endpoints"# All commits since last tag
git log --oneline $(git describe --tags --abbrev=0 2>/dev/null || echo "")..HEAD
# Commits between tags
git log --oneline v1.0.0..v1.1.0
# Current tags
git tag --sort=-v:refname | head -10
# Changelog
All notable changes to this project will be documented in this file.
## [1.1.0] - 2026-02-13
### Added
- New feature description
### Changed
- Modified behavior description
### Fixed
- Bug fix description
## [1.0.0] - 2026-02-01
### Added
- Initial release features
[1.1.0]: https://github.com/owner/repo/compare/v1.0.0...v1.1.0
[1.0.0]: https://github.com/owner/repo/releases/tag/v1.0.0
| File | Content |
|---|---|
references/changelog_format.md | Full Keep a Changelog spec, Conventional Commits mapping, writing style guide, anti-patterns, release workflow reference, complete example |