Add gitmoji skill and gitmoji-setup agent (#2355)

* Add gitmoji skill and gitmoji-setup agent

Adds two complementary artifacts for the gitmoji commit convention
(https://gitmoji.dev):

- skills/gitmoji: generates gitmoji commit messages from a diff, staged
  changes, or a change description. Message-only by design (never runs
  git commands), with disambiguation rules and a full reference table of
  the 75 official gitmojis generated from the official gitmojis.json.
- agents/gitmoji-setup: sets up gitmoji tooling in a repository. Audits
  the existing hook manager and commit convention, then installs either
  a non-interactive prepare-commit-msg prefill hook (default, works in
  GUI clients and CI), the gitmoji-cli interactive picker, or commitlint
  enforcement, without clobbering existing hooks.

Generated README indexes updated via npm start.

* Use local commitlint binary instead of npx in verify step

Addresses the package-exec-command finding from the PR risk scan: the
verification example now calls the locally installed
./node_modules/.bin/commitlint rather than npx, which could fetch and
execute a package on the fly.

* Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

* Address Copilot review feedback

- Quote the agent description in single quotes per AGENTS.md convention
- Resolve the effective hooks directory via git rev-parse --git-path
  hooks for both audit and installation, instead of hard-coding
  .git/hooks (core.hooksPath, linked worktrees)
- Correct the prefill-hook compatibility claim: it prefills only when
  the message editor opens and silently no-ops for -m/-F, GUI message
  boxes, and CI
- Match the official gitmoji set explicitly when detecting an existing
  emoji, instead of treating any non-ASCII start as one
- Drop .txt from the docs heuristic (it shadowed requirements.txt) and
  remove the dependency-manifest fallback entirely: filenames cannot
  distinguish upgrade/add/remove/pin/downgrade
- Restrict gitmoji -i to repos whose effective hooks dir is .git/hooks;
  wire the picker through the hook manager otherwise
- Merge gitmoji into an existing commitlint config instead of
  overwriting commitlint.config.mjs
- Fix the verification sequence: clean starting state, non-colliding
  scratch file, abort by clearing the editor, explicit unstage/remove/
  switch-back/branch-delete cleanup
- Skill: ask the user for commit history instead of running git log,
  honoring the message-only contract

* Address second round of Copilot review feedback

- Pair the prefill hook with a commit-msg guard: prefilling an empty
  COMMIT_EDITMSG defeats git abort-on-empty-message, so an untouched
  prefill would create a commit named only with the emoji. The guard
  rejects messages that contain nothing but the prefilled gitmoji.
- Extract the gitmoji alternation into a GITMOJI_RE variable shared by
  both hooks.
- Document the commitlint-config-gitmoji format mismatch: it enforces
  the hybrid <gitmoji> type(scope?): subject format and rejects the
  plain gitmoji format produced by Options A/B and the gitmoji skill.
  Option C now asks the team to choose a format first, and the
  verification example uses a valid hybrid message.

---------

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
Adrien Clerbois
2026-07-27 06:23:20 +02:00
committed by GitHub
parent 7e02d50dcf
commit 541d8f0499
5 changed files with 421 additions and 0 deletions
+1
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@@ -120,6 +120,7 @@ See [CONTRIBUTING.md](../CONTRIBUTING.md#adding-agents) for guidelines on how to
| [GitHub Actions Expert](../agents/github-actions-expert.agent.md)<br />[![Install in VS Code](https://img.shields.io/badge/VS_Code-Install-0098FF?style=flat-square&logo=visualstudiocode&logoColor=white)](https://aka.ms/awesome-copilot/install/agent?url=vscode%3Achat-agent%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Fagents%2Fgithub-actions-expert.agent.md)<br />[![Install in VS Code Insiders](https://img.shields.io/badge/VS_Code_Insiders-Install-24bfa5?style=flat-square&logo=visualstudiocode&logoColor=white)](https://aka.ms/awesome-copilot/install/agent?url=vscode-insiders%3Achat-agent%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Fagents%2Fgithub-actions-expert.agent.md) | GitHub Actions specialist focused on secure CI/CD workflows, action pinning, OIDC authentication, permissions least privilege, and supply-chain security | |
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