Customize the matrix plugin #2

	name: Create Preview

	on:
	pull_request_target:
	branches: [main]
	types: [opened, synchronize, reopened]

	jobs:
	preview:
	name: Preview
	runs-on: ubuntu-latest
	permissions:
	pull-requests: write
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Get changed files in posts folder
	id: get_changed_files
	uses: tj-actions/changed-files@v44
	with:
	files: posts/**
	json: "true"

	- name: get published files cache
	if: steps.get_changed_files.outputs.any_changed == 'true'
	run: \|
	git fetch origin processed_files:processed_files
	git checkout processed_files -- processed_files.json

	- name: Set up Python
	if: steps.get_changed_files.outputs.any_changed == 'true'
	uses: actions/setup-python@v3
	with:
	python-version: 3.9

	- name: Install dependencies
	if: steps.get_changed_files.outputs.any_changed == 'true'
	run: \|
	python -m pip install --upgrade pip
	python -m pip install -r requirements.txt

	- name: Run script to create preview
	if: steps.get_changed_files.outputs.any_changed == 'true'
	env:
	CHANGED_FILES: ${{ steps.get_changed_files.outputs.all_changed_files }}
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	PR_NUMBER: ${{ github.event.number }}
	run: python -u github_run.py --preview

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