[processor/spanpruning] preserve outlier subtrees with multi-level detection #113364

	name: check-links
	on:
	push:
	branches: [ main ]
	pull_request:

	# Do not cancel this workflow on main. See https://github.com/open-telemetry/opentelemetry-collector-contrib/pull/16616
	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	permissions: read-all

	jobs:
	changedfiles:
	name: changed files
	runs-on: ubuntu-24.04
	if: ${{ github.actor != 'dependabot[bot]' }}
	env:
	PR_HEAD: ${{ github.event.pull_request.head.sha }}
	outputs:
	files: ${{ steps.changes.outputs.files }}
	steps:
	- uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
	with:
	fetch-depth: 0
	- name: Get changed files
	id: changes
	run: \|
	files="$(git diff --name-only --diff-filter=ACMRTUXB "$(git merge-base origin/main "$PR_HEAD")" "$PR_HEAD" \| grep .md$ \| xargs)"

	if [ -z "$files" ] && git diff --name-only "$(git merge-base origin/main "$PR_HEAD")" "$PR_HEAD" \| grep -q "package.json"; then
	files="*/.md"
	fi

	echo "files=$files" >> "$GITHUB_OUTPUT"

	check-links:
	runs-on: ubuntu-24.04
	needs: changedfiles
	if: ${{needs.changedfiles.outputs.files}}
	steps:
	- uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
	with:
	fetch-depth: 0

	- name: Link Checker
	id: lychee
	uses: lycheeverse/lychee-action@8646ba30535128ac92d33dfc9133794bfdd9b411 # v2.8.0
	with:
	args: "--verbose --no-progress ${{needs.changedfiles.outputs.files}} --config .github/lychee.toml"
	failIfEmpty: false

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