(TFECO-8141) Add ephemeral lifecycle messages #157

	# Checks if a file has been committed under the .changes/unreleased directory
	#
	# Skip PRs labeled with 'dependencies'

	on:
	pull_request:
	branches:
	- main
	- pre-release

	name: Check if changelog entry exists

	jobs:
	changelog_existence:
	name: Check if changelog entry exists
	if: "!contains(github.event.pull_request.labels.*.name, 'dependencies')"
	runs-on: ubuntu-latest

	steps:
	- name: Check if changelog file was added
	# https://github.com/marketplace/actions/paths-changes-filter
	# For each filter, it sets output variable named by the filter to the text:
	# 'true' - if any of changed files matches any of filter rules
	# 'false' - if none of changed files matches any of filter rules
	uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
	id: changelog_check
	with:
	filters: \|
	exists:
	- '.changes/unreleased/**.yaml'

	- name: Fail job if changelog entry is missing and required
	if: steps.changelog_check.outputs.exists == 'false'
	uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
	with:
	script: core.setFailed('Changelog entry required to merge.')

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