check_protobuf.yml

name: Check_Protobuf

on:
  # Triggers the workflow on push or pull request events but only for the master branch
  push:
    branches: [ master, develop ]
  pull_request:
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  check_protobuf_files:
    name: Check that the protobuffiles for C and Python are up to date
    runs-on: ubuntu-latest
    container:
      image: ghcr.io/ledgerhq/ledger-app-builder/ledger-app-builder-lite:latest

    steps:
      - name: Clone
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Move tracked files
        run: |
          mv src/proto/protocol.pb.h src/proto/_protocol.pb.h
          mv src/proto/protocol.pb.c src/proto/_protocol.pb.c
          mv test/python/apps/pb/exchange_pb2.py test/python/apps/pb/_exchange_pb2.py

      - name: Build proto files
        run: |
          make proto

      - name: Check that there is no difference beside the date in the C files
        run: |
          diff <(grep -v "^/\* Generated by nanopb" src/proto/protocol.pb.c) <(grep -v "^/\* Generated by nanopb" src/proto/_protocol.pb.c)
          diff <(grep -v "^/\* Generated by nanopb" src/proto/protocol.pb.h) <(grep -v "^/\* Generated by nanopb" src/proto/_protocol.pb.h)

      - name: Check that there is no difference in the Python files
        run: |
          diff test/python/apps/pb/exchange_pb2.py test/python/apps/pb/_exchange_pb2.py