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name: gitmoji description: 'Generates commit messages following the gitmoji convention (https://gitmoji.dev) — picks the right emoji for the intent of the change and writes a well-formed message. Use when asked to "write a gitmoji commit", "add an emoji to my commit message", "which gitmoji should I use", "gitmoji this change", or when a project uses gitmoji-style commit messages. Works from a git diff, staged changes, or a plain description of the change. Generates the message only — does not run git commands.' license: MIT

Gitmoji

Generates commit messages that follow the gitmoji convention: every commit starts with an emoji that identifies the intent of the change at a glance. Given a diff, a list of staged files, or a plain description of a change, this skill picks the single most appropriate gitmoji and writes a concise, well-formed commit message around it.

This skill only generates the message — it never runs git commit or any other git command. The output is a copyable message for the user to use.

When to Use This Skill

• User says "write a gitmoji commit", "gitmoji this change", or "add an emoji to my commit message"
• User asks "which gitmoji should I use for this?"
• User pastes a git diff or describes a change in a project that uses gitmoji-style commit history
• User wants an expressive, scannable commit history using emojis

When not to use: if the project follows plain Conventional Commits (feat:, fix:, ...) without emojis, use the conventional-commit or commit-message-storyteller skill instead. If unsure which convention the project uses, ask the user to provide recent commit history (for example, the output of git log --oneline -10).

Message Format

The gitmoji specification:

<intention> [scope?][:?] <message>

• intention — exactly one gitmoji expressing the goal of the commit
• scope (optional) — the section of the codebase affected, in parentheses
• message — a brief imperative explanation of the change

Examples:

✨ add multi-tenant support to the billing service
🐛 (auth) prevent token refresh loop on expired sessions
♻️ (api): extract pagination logic into shared helper

Emoji Style: Unicode vs Shortcode

Gitmoji supports two equivalent notations:

| Style | Example | When to prefer | |-------|---------|----------------| | Unicode | ✨ add dark mode | Default — renders everywhere, shorter subject line | | Shortcode | :sparkles: add dark mode | Platforms that render shortcodes (GitHub, GitLab) or teams that grep commit logs by code |

Match the repository's existing history. If recent commits use :sparkles:-style shortcodes, generate shortcodes; otherwise default to unicode emojis.

How It Works

Step 1: Understand the Change

Work from whatever the user provides:

1. A git diff — read it and identify what changed and why
2. A list of staged/modified files — infer intent from file names and paths
3. A plain description — use it directly

If the intent is genuinely ambiguous (e.g. "updated auth.js" could be a fix, a feature, or a refactor), ask one short clarifying question rather than guessing.

Step 2: Identify the Dominant Intent

Determine the primary purpose of the change. Common intents and their gitmojis:

| Emoji | Shortcode | Intent | |-------|-----------|--------| | ✨ | :sparkles: | Introduce new features | | 🐛 | :bug: | Fix a bug | | 🚑️ | :ambulance: | Critical hotfix | | 📝 | :memo: | Add or update documentation | | ♻️ | :recycle: | Refactor code (no behavior change) | | ✅ | :white_check_mark: | Add, update, or pass tests | | ⚡️ | :zap: | Improve performance | | 🎨 | :art: | Improve structure / format of the code | | 🔥 | :fire: | Remove code or files | | 🔒️ | :lock: | Fix security or privacy issues | | ⬆️ | :arrow_up: | Upgrade dependencies | | 🔧 | :wrench: | Add or update configuration files | | 💄 | :lipstick: | Add or update the UI and style files | | 💥 | :boom: | Introduce breaking changes | | 🚨 | :rotating_light: | Fix compiler / linter warnings | | 🌐 | :globe_with_meridians: | Internationalization and localization |

This is only the most common subset — always consult references/gitmoji-reference.md for the full official list of 75 gitmojis before settling on one; a more specific emoji often exists (e.g. 🩹 for a trivial fix, ✏️ for a typo, 🚚 for a file move).

Step 3: Pick Exactly One Emoji

Rules for ambiguous cases:

• Specific beats generic — a typo fix is ✏️, not 🐛; moving files is 🚚, not ♻️; a trivial non-critical fix is 🩹, not 🐛
• Tests: ✅ for adding/updating passing tests; 🧪 only for intentionally failing tests (e.g. TDD red step)
• Fix vs hotfix: 🚑️ only for urgent production fixes; everyday bug fixes are 🐛
• Security fix: 🔒️ wins over 🐛 when the bug is a security issue
• Formatting-only changes: 🎨 for code structure/formatting; 💄 only for UI/style files (CSS, themes)
• One emoji per commit — never stack emojis; if two intents feel equally dominant, see mixed changes below

Step 4: Write the Message

• Imperative mood: "add", "fix", "remove" — not "added" or "fixes"
• Keep the subject line under 72 characters including the emoji
• Lowercase start, no trailing period
• Add a scope in parentheses when the project's history uses scopes
• Add a body (separated by a blank line) only when the why is not obvious from the subject

Step 5: Output

Produce the commit message in a copyable code block, followed by one line explaining why that gitmoji was chosen. Do not execute git commit.

Example output:

🐛 (auth) prevent token refresh loop on expired sessions

Expired sessions triggered a refresh that failed validation and
re-triggered itself, crashing the app. A recursion guard now aborts
the cycle and returns a clean 401.

Why 🐛: the change corrects incorrect runtime behavior — a bug fix, not urgent enough for 🚑️.

Edge Cases

| Situation | How to Handle | |-----------|---------------| | Mixed changes (e.g. feature + refactor in one diff) | Pick the emoji for the dominant intent, and suggest splitting into separate commits if the concerns are unrelated | | Breaking change | Use 💥 as the intention and describe the break in the body | | Revert | ⏪️ with a subject referencing the reverted commit | | Merge commit | 🔀 merge branch '<name>' into <target> | | Initial commit | 🎉 begin project | | Work in progress | 🚧 with a clear note of what remains | | No matching emoji feels right | Re-scan the full reference; if still nothing fits, fall back to the closest generic intent (✨, 🐛, or ♻️) |

Quick Reference

# Get your staged diff to paste into Copilot
git diff --staged

# Check which emoji style the repo already uses
git log --oneline -10

See references/gitmoji-reference.md for the complete official gitmoji list.