Autoupdate dependencies #27

	name: Autoupdate dependencies
	on:
	workflow_dispatch:
	schedule:
	- cron: "0 0 1 * *"

	jobs:
	auto-update-dependencies:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: ./.github/actions/python-poetry-env

	- name: Install tabulate
	run: python -m pip install tabulate

	- name: Gather outdated dependencies
	id: check_for_outdated_dependencies
	run: \|
	body=$(poetry show -o -n)
	echo ::set-output name="body::$body"

	- name: Format PR message
	if: ${{ steps.check_for_outdated_dependencies.outputs.body != 0 }}
	id: get_outdated_dependencies
	shell: bash
	run: \|
	body=$(poetry show -o -n \| sed 's/(!)//' \| awk 'BEGIN {print "Package","Used","Update"}; {print $1,$2,$3}' \| tabulate --header --format github -)
	body=$(cat <<EOF
	The following packages are outdated

	$body
	EOF
	)
	body="${body//'%'/'%25'}"
	body="${body//$'\n'/'%0A'}"
	body="${body//$'\r'/'%0D'}"
	echo ::set-output name="body::$body"

	- name: Update outdated packages
	if: ${{ steps.check_for_outdated_dependencies.outputs.body != 0 }}
	run: poetry lock

	# behaviour if PR already exists: https://github.com/marketplace/actions/create-pull-request#action-behaviour
	- name: Create Pull Request
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	if: ${{ steps.check_for_outdated_dependencies.outputs.body != 0 }}
	uses: peter-evans/create-pull-request@v7
	with:
	token: ${{ env.GITHUB_TOKEN }}
	commit-message: >-
	chore: update dependencies
	title: "[Actions] Auto-Update dependencies"
	body: ${{ steps.get_outdated_dependencies.outputs.body }}
	branch: chore/update-dependencies
	delete-branch: true

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