changeset.yml

name: changeset

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

jobs:
  require-changeset:
    runs-on: ubuntu-latest
    if: ${{ !contains(github.event.pull_request.labels.*.name, 'skip-changeset') }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Verify a changeset was added
        env:
          BASE_SHA: ${{ github.event.pull_request.base.sha }}
          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
        run: |
          set -euo pipefail
          added=$(git diff --name-only --diff-filter=A "$BASE_SHA" "$HEAD_SHA" \
              | grep -E '^\.changeset/[^/]+\.md$' \
              | grep -v '^\.changeset/HOWTO\.md$' || true)
          if [ -z "$added" ]; then
              echo "No changeset added under .changeset/."
              echo "Run ./changeset.sh \"Short description\" and commit the result,"
              echo "or add the 'skip-changeset' label if no user-visible change."
              exit 1
          fi
          echo "Found changeset(s):"
          echo "$added"