git-lfs-check.yml

name: Check git-lfs files

on:
  push:
    branches: [ 'main', 'release-*' ]
  pull_request:
    branches: [ 'main', 'release-*' ]

jobs:
  git-lfs:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          lfs: true

      - name: Check git-lfs files
        run: |

          files=$(git diff --name-status origin/main...HEAD | awk '$1 != "D" && /\.o$/ { print $2 }' || true)
          if [ -z "$files" ]; then
            echo "No .o files modified"
            exit 0
          fi

          for file in $files; do
            contents=$(git cat-file -p :$file)

            # Check if the file is binary or an LFS pointer
            if [[ $contents == *"version https://git-lfs.github.com/spec/v1"* ]]; then
              echo "The file '$file' is correctly tracked by LFS."
            elif [[ ! $contents =~ ^[[:print:]]*$ ]]; then
              echo "Error: The file '$file' is a binary file and should not be committed directly."
              exit 1
            fi
          done