[stable] tree: promote changes from testing at 67fe7cb0071db740a4bb8ab50631962bfbc8d878 #344

	---
	name: Check promotion diffs
	on:
	pull_request:
	branches: [next, testing, stable]
	permissions:
	contents: read

	jobs:
	promotion-diff:
	name: Check promotion diffs
	runs-on: ubuntu-latest
	# Only run if this looks like a promotion PR
	if: "contains(github.event.pull_request.title, 'tree: promote changes from')"
	steps:
	- name: Get base commit hash
	env:
	COMMIT_TITLE: ${{ github.event.pull_request.title }}
	run: \|
	echo "ORIGIN_COMMIT=$(echo ${COMMIT_TITLE} \| awk '{print $NF}')" >> $GITHUB_ENV
	- name: Check out origin commit
	uses: actions/checkout@v3
	with:
	path: origin
	ref: ${{ env.ORIGIN_COMMIT }}
	- name: Check out base branch
	uses: actions/checkout@v3
	with:
	path: base
	ref: ${{ github.base_ref }}
	- name: Check out PR
	uses: actions/checkout@v3
	with:
	path: new
	- name: Ignore manifest files
	run: \|
	# manifest.yaml is per-branch, so we care about changes vs. the
	# one in the base, not the one from the origin
	cp base/manifest.yaml origin/
	- name: Normalize kola-denylist.yaml
	run: \|
	# When we promote to a production branch we strip out the
	# snooze and warn lines. Let's do the same here so we don't get warnings.
	# See https://github.com/coreos/fedora-coreos-releng-automation/pull/179
	sed -E -i 's/^(\s+)((snooze:\|warn:)\s+.*)/\1# \2 (disabled on promotion)/' origin/kola-denylist.yaml
	- name: Compare trees
	uses: coreos/actions-lib/check-diff@main
	with:
	basedir: origin
	patchdir: new

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