[CI] check setuptools compatibility (#57) #2

	name: Test Compatibility

	on:
	push:
	paths:
	- pyproject.toml
	workflow_dispatch:

	permissions:
	contents: read

	jobs:
	prepare:
	runs-on: ubuntu-latest
	outputs:
	versions: ${{ steps.parser.outputs.versions \|\| '[]' }}
	steps:
	- uses: actions/checkout@v6
	with:
	fetch-depth: 2

	- name: Check license line changed
	id: check
	run: \|
	if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
	echo "changed=true" >> "$GITHUB_OUTPUT"
	elif git diff HEAD~1 HEAD -- pyproject.toml \| grep -q '^[+-].*license = "Apache-2.0"'; then
	echo "changed=true" >> "$GITHUB_OUTPUT"
	else
	echo "changed=false" >> "$GITHUB_OUTPUT"
	fi

	- uses: actions/setup-python@v6
	if: steps.check.outputs.changed == 'true'
	with:
	python-version: "3.14"

	- name: Generate version matrix
	if: steps.check.outputs.changed == 'true'
	id: parser
	run: \|
	versions=$(python ci_loop_versions.py setuptools ">=77.0.1,<83")
	echo "versions=$versions" >> "$GITHUB_OUTPUT"

	check:
	needs: prepare
	if: needs.prepare.outputs.versions != '[]'
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	version: ${{ fromJSON(needs.prepare.outputs.versions) }}

	steps:
	- uses: actions/checkout@v6
	- uses: actions/setup-python@v6
	with:
	python-version: "3.14"
	cache: pip

	- name: Install package with selected setuptools
	run: \|
	python -m pip install --upgrade pip
	python -m pip install . "setuptools==${{ matrix.version }}"

	- name: Show versions
	run: \|
	python --version
	python -m pip show setuptools

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