pr.yml

name: 🦄 PR

on:
  pull_request:
    types: [ opened, edited, synchronize, reopened ]

jobs:
  commitlint:
    name: Validate title
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - uses: pnpm/action-setup@v2
        with:
          version: 8.7.5

      # Fetches the config package version from the `pnpm-lock.yaml` file.
      - name: Fetch config package version
        id: config-package-version
        env:
          GITMOJI_CONFIG_PACKAGE: "commitlint-config-gitmoji"
        run: |
          echo "CONFIG_PACKAGE=$(grep -A 2 "$GITMOJI_CONFIG_PACKAGE" pnpm-lock.yaml | awk '/version:/ {print "'"$GITMOJI_CONFIG_PACKAGE"'@" $2}')" >> "$GITHUB_OUTPUT"

      # Installs only the config package required for commitlint.
      - name: Install config package
        env:
          CONFIG_PACKAGE: "${{ steps.config-package-version.outputs.CONFIG_PACKAGE }}"
        run: |
          pnpm add "$CONFIG_PACKAGE"

      # The validation is done based on the `commitlint.config.js` file.
      - name: Validate PR title
        env:
          # Sanitizes PR title as documented here:
          # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
          PR_TITLE: "${{ github.event.pull_request.title }}"
        run: |
          echo "$PR_TITLE" | pnpm -s dlx commitlint