shoelace/.github/workflows/changelog-check.yml

name: Changelog Check

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

jobs:
  check-changelog:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Check for changelog entry
        id: changelog-check
        run: |
          # Get the files changed in this PR
          git fetch origin ${{ github.base_ref }}
          CHANGED_FILES=$(git diff --name-only origin/${{ github.base_ref }}...HEAD)

          # Check if docs/pages/resources/changelog.md was modified
          if echo "$CHANGED_FILES" | grep -q "docs/pages/resources/changelog.md"; then
            echo "Changelog was modified ✅"
            echo "has_changelog=true" >> $GITHUB_OUTPUT
          else
            echo "No changelog entry found ❌"
            echo "has_changelog=false" >> $GITHUB_OUTPUT
          fi

      - name: Comment on PR
        if: steps.changelog-check.outputs.has_changelog == 'false'
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.name,
              issue_number: context.issue.number,
              body: '⚠️ This PR is missing a changelog entry. Please add an entry to `docs/pages/resources/changelog.md` describing your changes.'
            })