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@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
      - uses: bufbuild/buf-setup-action@dde0b9351db90fbf78e345f41a57de8514bf1091 # v1.32.2
        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'