commit-check.yml

name: Conventional Commit Check for PR Title

on:
  workflow_call:

jobs:
  commit-check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

      - name: Check for commitlint config and install dependencies
        id: commitlint-config
        run: |
          if [ -f .commitlintrc.json ] || [ -f .commitlintrc.js ] || [ -f .commitlintrc.yml ] || [ -f .commitlintrc.yaml ] || grep -q '"commitlint"' "package.json" 2>/dev/null; then
            echo "has-config=true" >> $GITHUB_OUTPUT
          else
            echo "has-config=false" >> $GITHUB_OUTPUT
          fi

      - name: Install dependencies if config exists
        if: steps.commitlint-config.outputs.has-config == 'true'
        run: |
          bun i -g @commitlint/cli
          bun i

      - name: Install commitlint globally if no config
        if: steps.commitlint-config.outputs.has-config == 'false'
        run: |
          bun i -g @commitlint/cli
          bun i -D @commitlint/config-conventional

      - name: Create commitlint config if missing
        if: steps.commitlint-config.outputs.has-config == 'false'
        run: |
          echo "extends:" > .commitlintrc.yml
          echo "  - '@commitlint/config-conventional'" >> .commitlintrc.yml

      - name: Check PR title
        if: github.event_name == 'pull_request'
        env:
          PR_TITLE: ${{ github.event.pull_request.title }}
        run: |
          echo "$PR_TITLE" | commitlint