Backport toolkit container detection using systemd-detect-virt #33314

	# Copyright (c) Microsoft Corporation.
	# Licensed under the MIT License.

	# This action checks that certain groups of specs have matching tags.
	# The main use case is to ensure that signed specs have the same Version and
	# Release tags as their unsigned counterparts
	name: Spec Entanglement Mismatch Check

	on:
	push:
	branches: [main, dev, 1.0, 2.0, fasttrack/*]
	pull_request:
	branches: [main, dev, 1.0, 2.0, fasttrack/*]

	permissions: read-all

	jobs:
	check:
	name: Spec Entanglement Mismatch Check
	runs-on: ubuntu-latest

	steps:
	# Checkout the branch of our repo that triggered this action
	- name: Workflow trigger checkout
	uses: actions/checkout@v4

	# For consistency, we use the same major/minor version of Python that CBL-Mariner ships
	- name: Setup Python 3.7
	uses: actions/setup-python@v4
	with:
	python-version: 3.7

	- name: Get Python dependencies
	run: python3 -m pip install -r toolkit/scripts/requirements.txt

	- name: Run entanglement checking script
	run: python3 toolkit/scripts/check_entangled_specs.py .

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