Dependency Manager #17

	name: Dependency Manager

	on:
	workflow_dispatch: # Allow running on-demand
	schedule:
	# Every first day of the month at 1PM UTC
	- cron: 0 13 1 * *

	env:
	PYTHON_VERSION: 3.9

	jobs:
	upgrade:
	name: Weekly dependency upgrade
	runs-on: ubuntu-latest
	env:
	BRANCH_NAME: deps/weekly-upgrade
	steps:
	- name: Code checkout
	uses: actions/checkout@v4

	- name: Setup python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ env.PYTHON_VERSION }}

	- name: Upgrade base dependencies
	run: \|
	pip install -U poetry
	poetry update

	- name: Upgrade pre-commit hooks
	run: \|
	pip install pre-commit
	pre-commit autoupdate

	- name: Detect changes
	id: changes
	run: echo "count=$(git status --porcelain=v1 2>/dev/null \| wc -l)" >> $GITHUB_OUTPUT

	- name: Commit & push changes
	if: steps.changes.outputs.count > 0
	run: \|
	git config user.name "github-actions"
	git config user.email "github-actions@github.com"
	git add .
	git commit -m "build(deps): upgrade dependencies"
	git push -f origin ${{ github.ref_name }}:$BRANCH_NAME

	- name: Open pull request
	if: steps.changes.outputs.count > 0
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	PR=$(gh pr list --head $BRANCH_NAME --json number -q '.[0].number')
	if [ -z $PR ]; then
	gh pr create \
	--draft \
	--head $BRANCH_NAME \
	--title "build(deps): upgrade dependencies" \
	--body "Full log: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}" \
	--label "dependencies"
	else
	echo "Pull request already exists, won't create a new one."
	fi

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