chore(deps): bump actions/setup-python from 5 to 6 #2199

	name: "Check Dead Links"

	on:
	workflow_dispatch:
	push:
	branches: [ "master" ]
	pull_request:
	# The branches below must be a subset of the branches above
	branches: [ "master" ]

	jobs:
	scan_links:
	name: Scan Website for Dead Links
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Fetch sitemap URLs
	run: \|
	set -euo pipefail

	SITEMAP_URL="https://microsoft.github.io/SynapseML/sitemap.xml"

	# Download sitemap to a file with retries and error reporting
	HTTP_CODE=$(curl --silent --show-error --compressed \
	--retry 3 --retry-delay 5 \
	-o sitemap.xml -w '%{http_code}' \
	"$SITEMAP_URL")

	if [ "$HTTP_CODE" != "200" ]; then
	echo "::error::Failed to fetch sitemap from $SITEMAP_URL (HTTP $HTTP_CODE)"
	exit 1
	fi

	SITEMAP_SIZE=$(wc -c < sitemap.xml)
	echo "Downloaded sitemap: $SITEMAP_SIZE bytes"

	# Extract URLs using POSIX extended regex (portable, no PCRE dependency)
	grep -oE '<loc>[^<]+</loc>' sitemap.xml \
	\| sed 's/<\/*loc>//g' \
	> urls.txt

	URL_COUNT=$(wc -l < urls.txt)
	echo "Found $URL_COUNT URLs in sitemap"

	if [ "$URL_COUNT" -eq 0 ]; then
	echo "::error::Sitemap at $SITEMAP_URL contained no URLs (file was $SITEMAP_SIZE bytes)"
	head -c 500 sitemap.xml
	exit 1
	fi

	- name: Scan for dead links
	uses: lycheeverse/lychee-action@v2
	with:
	args: >-
	--no-progress
	--max-concurrency 8
	--max-retries 5
	--retry-wait-time 5
	--timeout 30
	--accept 100..=103,200..=299,503
	urls.txt

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