Lint

Feat/groh/enhance spdx lite output #23

	name: Lint

	on:
	pull_request:
	branches: [main]

	jobs:
	lint:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout Code
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.8"

	- name: Install Dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install ruff

	- name: Get changed Python files
	id: changed_files
	run: \|
	# Find the merge base between the main branch and the current HEAD.
	merge_base=$(git merge-base origin/main HEAD)
	# List all changed Python files since the merge base.
	files=$(git diff --name-only "$merge_base" HEAD \| grep '\.py$' \|\| true)

	# Use the multi-line syntax for outputs.
	echo "files<<EOF" >> "$GITHUB_OUTPUT"
	echo "${files}" >> "$GITHUB_OUTPUT"
	echo "EOF" >> "$GITHUB_OUTPUT"

	echo "Changed files: ${files}"

	- name: Run Ruff on changed files
	run: \|
	if [ -z "${{ steps.changed_files.outputs.files }}" ]; then
	echo "No Python files changed. Exiting."
	exit 0
	else
	echo "Linting the following files:"
	echo "${{ steps.changed_files.outputs.files }}"
	# Pass the list of changed files to Ruff.
	echo "${{ steps.changed_files.outputs.files }}" \| xargs ruff check
	fi

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