Update pre-commit config #37

	name: "Update pre-commit config"

	on:
	schedule:
	- cron: "48 3 * * 1"
	workflow_dispatch:

	permissions:
	pull-requests: write
	contents: write

	jobs:
	update-pre-commit-config:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- uses: actions/setup-python@v4
	with:
	python-version: "3.x"

	- name: Install dependencies
	run: python3 -m pip install pre-commit

	- name: Hash existing config file
	run: sha256sum .pre-commit-config.yaml > ${{ runner.temp }}/config_file_hashes

	- name: Update pre-commit config
	run: \|
	git config --local user.name "$GITHUB_ACTOR"
	git config --local user.email "[email protected]"
	git switch -c "pre-commit-$(sha256sum ${{ runner.temp }}/config_file_hashes \| head -c 8)"
	pre-commit autoupdate --freeze

	- name: Create pull requests
	env:
	GH_TOKEN: ${{ github.token }}
	run: \|
	if $(sha256sum --status -c ${{ runner.temp }}/config_file_hashes); then
	echo "Config file unchanged. Skipping pull request..."
	exit 0
	fi
	git add .pre-commit-config.yaml
	git commit -m "[CI] Update .pre-commit-config.yaml"
	git push --set-upstream origin "pre-commit-$(sha256sum ${{ runner.temp }}/config_file_hashes \| head -c 8)"
	# Create PR on GitHub using GitHub CLI.
	gh pr create --base main --title "[CI] Update .pre-commit-config.yaml" \
	--body "Created automatically by GitHub Actions."

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