Improve validation logic #452

	---
	name: "Pulp CLI PR static checks"
	on:
	pull_request_target:
	types: ["opened", "synchronize", "reopened"]

	# This workflow runs with elevated permissions.
	# Do not even think about running a single bit of code from the PR.
	# Static analysis should be fine however.

	concurrency:
	group: "${{ github.event.pull_request.number }}-${{ github.workflow }}"
	cancel-in-progress: true

	jobs:
	single_commit:
	runs-on: "ubuntu-latest"
	name: "Label PR"
	permissions:
	pull-requests: "write"
	steps:
	- uses: "actions/checkout@v4"
	with:
	fetch-depth: 0
	- uses: "actions/setup-python@v5"
	with:
	python-version: "3.12"
	- name: "Determine PR labels"
	run: \|
	pip install GitPython==3.1.42
	git fetch origin ${{ github.event.pull_request.head.sha }}
	python .ci/scripts/pr_labels.py "origin/${{ github.base_ref }}" "${{ github.event.pull_request.head.sha }}" >> "$GITHUB_ENV"
	- uses: "actions/github-script@v7"
	name: "Apply PR Labels"
	with:
	script: \|
	const { ADD_LABELS, REMOVE_LABELS } = process.env;

	if (REMOVE_LABELS.length) {
	for await (const labelName of REMOVE_LABELS.split(",")) {
	try {
	await github.rest.issues.removeLabel({
	issue_number: context.issue.number,
	owner: context.repo.owner,
	repo: context.repo.repo,
	name: labelName,
	});
	} catch(err) {
	}
	}
	}
	if (ADD_LABELS.length) {
	await github.rest.issues.addLabels({
	issue_number: context.issue.number,
	owner: context.repo.owner,
	repo: context.repo.repo,
	labels: ADD_LABELS.split(","),
	});
	}

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