Prune past conferences #2

	name: Prune past conferences

	# Deterministically drops conferences whose end date has passed and commits the
	# result. Runs weekly and can be triggered by hand from the Actions tab.
	on:
	schedule:
	- cron: "0 7 * * 1" # 07:00 UTC every Monday
	workflow_dispatch:

	permissions:
	contents: write

	jobs:
	prune:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-python@v5
	with:
	python-version: "3.12"

	- name: Prune
	run: python scripts/prune.py

	- name: Commit changes
	run: \|
	if [[ -n "$(git status --porcelain data/conferences.json)" ]]; then
	git config user.name "github-actions[bot]"
	git config user.email "github-actions[bot]@users.noreply.github.com"
	git add data/conferences.json
	git commit -m "Prune past conferences [skip ci]"
	git push
	else
	echo "No changes to commit."
	fi

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