checkproto.yaml

name: Proto Consistency

on:
  push:
    branches:
      - main
    paths:
      - "**/*.proto"
      - "**/*.pb.go"
      - "Makefile"

  pull_request:
    branches:
      - main
    paths:
      - "**/*.proto"
      - "**/*.pb.go"
      - "Makefile"

permissions:
  contents: read

jobs:
  checkproto:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Go
        uses: actions/setup-go@v5
        with:
          go-version: 1.26.6

      - name: Set up protoc
        run: |
          PROTOC_VERSION=33.1
          PROTOC_GEN_VERSION=v1.36.11
          PROTOC_GRPC_VERSION=v1.6.0

          # Download and install protoc
          PROTOC_ZIP=protoc-$PROTOC_VERSION-linux-x86_64.zip
          curl -0L -o $PROTOC_ZIP https://github.com/protocolbuffers/protobuf/releases/download/v$PROTOC_VERSION/$PROTOC_ZIP
          unzip -o $PROTOC_ZIP -d protoc3
          sudo mv protoc3/bin/* /usr/local/bin/
          sudo mv protoc3/include/* /usr/local/include/
          rm -rf $PROTOC_ZIP protoc3

          # Install protoc-gen-go and protoc-gen-go-grpc
          go install google.golang.org/protobuf/cmd/protoc-gen-go@$PROTOC_GEN_VERSION
          go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@$PROTOC_GRPC_VERSION

          # Add protoc to the PATH
          export PATH=$PATH:/usr/local/bin/protoc

      - name: Verify generated protobuf files
        run: |
          git ls-files '*.pb.go' > /tmp/generated-protobuf-files.txt
          while IFS= read -r p; do
            mv "$p" "$p.tmp"
          done < /tmp/generated-protobuf-files.txt

          make protoc

          while IFS= read -r p; do
            if ! cmp -s "$p" "$p.tmp"; then
              echo "Proto file and generated Go file $p are out of sync!"
              exit 1
            fi
          done < /tmp/generated-protobuf-files.txt