name: buf.build
on:
  pull_request:
    paths:
      - ".github/workflows/buf-lint.yml"
      - "**.proto"
permissions:
  contents: read

jobs:
  buf:
    name: lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
      - uses: bufbuild/buf-setup-action@517ee23296d5caf38df31c21945e6a54bbc8a89f # v1.30.0
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
      - uses: bufbuild/buf-lint-action@06f9dd823d873146471cfaaf108a993fe00e5325 # v1.1.1
        with:
          input: 'prompb'
      - uses: bufbuild/buf-breaking-action@c57b3d842a5c3f3b454756ef65305a50a587c5ba # v1.1.4
        with:
          input: 'prompb'
          against: 'https://github.com/prometheus/prometheus.git#branch=main,ref=HEAD,subdir=prompb'
