changeset.yml

name: Changeset Required

on:
  pull_request:
    branches: [main, dev, staging]

permissions:
  contents: read
  pull-requests: read

jobs:
  changeset:
    name: Changeset Required
    runs-on: ubuntu-latest
    timeout-minutes: 2
    # Skip changeset check on promotion PRs (dev→staging, staging→main)
    if: |
      github.event.pull_request.base.ref != 'staging' &&
      github.event.pull_request.base.ref != 'main'
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Check for changeset
        run: |
          LABELS='${{ toJson(github.event.pull_request.labels.*.name) }}'
          if echo "$LABELS" | jq -e 'index("skip-changeset") != null' > /dev/null 2>&1; then
            echo "Label 'skip-changeset' found — bypassing."
            exit 0
          fi
          CHANGED=$(git diff --name-only "origin/${{ github.base_ref }}...HEAD" \
            | grep '^\.changeset/.*\.md$' | grep -v 'README\.md' || true)
          if [ -z "$CHANGED" ]; then
            echo "::error::No changeset found. Run: npx changeset"
            echo "Or add label 'skip-changeset' for infra-only changes."
            exit 1
          fi
          echo "Changeset found: $CHANGED"