commit-detection

Development

Detects optimal commit type from git changes. Use when analyzing commits, determining commit type, or before committing.

QUICK START

How to use this skill

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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/data/commit-detection/SKILL.md

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Commit Type Detection Skill

Expert knowledge for detecting the optimal conventional commit type.

Detection Algorithm

Step 1: Gather Data

# Get modified files
git diff --name-only
git diff --staged --name-only

# Get change statistics
git diff --stat
git diff --staged --stat

# Check for keywords in diff
git diff | grep -i "fix\|bug\|error" | head -5

Step 2: Categorize Files

Category	File Patterns
docs	`.md`, `.txt`, `.rst`, `README`, `CHANGELOG*`
test	`.test.`, `.spec.`, `__tests__/`, `test/`
config	`.json`, `.yml`, `.yaml`, `.toml`, `.*rc`
ci	`.github/*`, `.gitlab-ci.yml`, `Jenkinsfile`
build	`package.json`, `Makefile`, `webpack.`, `vite.`
style	Only whitespace, formatting changes
src	`.ts`, `.js`, `.py`, `.go`, `*.rs`, etc.

Step 3: Apply Rules

IF only docs files changed:
  → docs

IF only test files changed:
  → test

IF only config/build files changed:
  → chore

IF only CI files changed:
  → ci

IF diff contains "fix", "bug", "error", "issue", "resolve":
  → fix

IF new files added with business logic:
  → feat

IF files renamed/moved without logic change:
  → refactor

IF performance keywords ("optimize", "perf", "speed", "cache"):
  → perf

IF formatting only (whitespace, semicolons):
  → style

DEFAULT:
  → Use /commit-pro:commit for smart analysis

Step 4: Determine Scope

Extract scope from primary directory:

src/components/Button.tsx → ui or button
src/api/auth.ts → auth
lib/utils/date.ts → utils
server/routes/user.ts → user

Quick Reference

Type	When
`feat`	New functionality
`fix`	Bug correction
`docs`	Documentation only
`style`	Formatting only
`refactor`	Code restructure
`perf`	Performance
`test`	Tests only
`build`	Build/deps
`ci`	CI/CD config
`chore`	Maintenance

Examples

Example 1: Only README changed

Files: README.md
→ /commit-pro:docs

Example 2: New component + test

Files: src/Button.tsx, src/Button.test.tsx
→ /commit-pro:feat (primary is new feature)

Example 3: Fix in existing file

Files: src/api/auth.ts
Diff contains: "fix login bug"
→ /commit-pro:fix