buf-validate.yaml

name: buf-validate

on:
  pull_request:
    # 'labeled' and 'unlabeled' are included so we can use the 'Buf Skip Breaking' label
    # and skip a breaking change if that's required.
    # See: https://github.com/bufbuild/buf-action?tab=readme-ov-file#skip-the-breaking-change-detection-step
    types: [opened, synchronize, reopened, labeled, unlabeled]
    paths:
      - 'proto/**'

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      # This step sets up the variable steps.buf-version.outputs.v
      # to contain the version of Buf (e.g. v1.36.0) from go.mod.
      - name: Get Buf version
        id: buf-version
        run: |
          BUF_VERSION=$( go list -m -f '{{.Version}}' github.com/bufbuild/buf )
          # remove the leading 'v' in front of the version
          BUF_VERSION=${BUF_VERSION#v}
          echo "v=$BUF_VERSION" >> "$GITHUB_OUTPUT"
      - uses: bufbuild/buf-action@v1
        with:
          version: ${{ steps.buf-version.outputs.v }}
          token: ${{ secrets.BUF_TOKEN }}
          input: 'proto'
          push: false
          breaking_against: '${{ github.event.repository.clone_url }}#branch=main,subdir=proto'