Light refactoring of the TC attachment code #676

	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

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