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T1621 PingID: add UPN and multiple-reset regression fixture #41

	name: Validate LFS Files

	on:
	pull_request:
	branches: [master]
	types: [opened, synchronize, reopened]
	paths:
	- 'datasets/*/.log'
	- 'datasets/*/.json'
	- 'datasets/*/.ndjson'
	- 'datasets/*/.csv'

	permissions:
	contents: read

	jobs:
	validate-lfs-files:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v6
	with:
	fetch-depth: 0
	lfs: 'false'

	- name: Verify Git LFS is available
	run: git lfs version

	- name: Validate changed LFS files
	shell: bash
	env:
	BASE_SHA: ${{ github.event.pull_request.base.sha }}
	HEAD_SHA: ${{ github.event.pull_request.head.sha }}
	run: \|
	set -euo pipefail

	mapfile -t files < <(
	git diff --name-only --diff-filter=ACMRT "$BASE_SHA" "$HEAD_SHA" \|
	awk '/^datasets\/.*\.(log\|json\|ndjson\|csv)$/ { print }'
	)

	if (( ${#files[@]} == 0 )); then
	echo "No changed .log, .json, .ndjson, or .csv files to validate."
	exit 0
	fi

	failed_files=()

	for file in "${files[@]}"; do
	if git cat-file blob "HEAD:${file}" \| git lfs pointer --check --strict --stdin >/dev/null; then
	echo "LFS OK: ${file}"
	else
	echo "::error file=${file}::File is not stored in Git LFS."
	failed_files+=("$file")
	fi
	done

	if (( ${#failed_files[@]} != 0 )); then
	echo "One or more changed .log, .json, .ndjson, or .csv files are not stored with Git LFS."
	echo "Failed files:"
	printf ' - %s\n' "${failed_files[@]}"

	{
	echo "### Files not stored with Git LFS"
	echo
	printf -- '- `%s`\n' "${failed_files[@]}"
	} >> "$GITHUB_STEP_SUMMARY"

	exit 1
	fi