name: buf-check

on:
  push:
    branches: [main]
    paths:
      - 'packages/shared-types/events/**'
  pull_request:
    paths:
      - 'packages/shared-types/events/**'

jobs:
  buf:
    name: Lint & breaking-change check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install buf
        run: |
          BUF_VERSION=1.50.0
          curl -sSfL \
            "https://github.com/bufbuild/buf/releases/download/v${BUF_VERSION}/buf-Linux-x86_64" \
            -o /usr/local/bin/buf
          chmod +x /usr/local/bin/buf
          buf --version

      - name: buf lint
        run: buf lint packages/shared-types/events

      - name: buf breaking
        if: github.event_name == 'pull_request'
        run: |
          buf breaking packages/shared-types/events \
            --against ".git#branch=${{ github.base_ref }},subdir=packages/shared-types/events"