Check for new IANA release #8

	name: Check for new IANA release

	on:
	schedule:
	- cron: "0 0 * * 0"
	workflow_dispatch:

	jobs:
	check_tz:
	name: Check latest IANA release
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Run script
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	WORKFLOW_RUN_ID: ${{ github.run_id }}
	WORKFLOW_JOB_ID: ${{ github.job }}
	run: \|
	set -e

	git config user.name 'github-actions[bot]'
	git config user.email 'github-actions[bot]@users.noreply.github.com'

	latest_tag=$(curl --silent -L -H "Accept: application/vnd.github+json" https://api.github.com/repos/eggert/tz/tags \| jq -r '.[0].name')
	current_tag=$(cat TZ_RELEASE)

	if [[ $latest_tag == $current_tag ]]; then
	echo "tz up to date"
	exit 0
	fi

	echo "New tz release available: ${latest_tag}"

	# create issue with new release
	body=$(echo "IANA released ${latest_tag}. See [here](https://github.com/eggert/tz/blob/main/NEWS) for the latest changes made to tz. \
	Created by workflow run [#${WORKFLOW_RUN_ID}](https://github.com/evansiroky/timezone-boundary-builder/actions/runs/${WORKFLOW_RUN_ID})." \| xargs)
	gh issue create --title "IANA Release ${latest_tag}" --body "${body}"

	exit 1

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