Document checklist for PR reviewers (and get feedback) #3

	name: Reviewer Checklist

	on:
	pull_request:
	types: [review_requested]

	jobs:
	checklist:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Extract PR reviewer info (sanitize usernames for GitHub mentions)
	id: pr_details
	run: \|
	# Only allow valid GitHub username characters: [A-Za-z0-9-]
	sanitize() {
	echo "$1" \| sed 's/[^A-Za-z0-9-]//g'
	}

	REVIEWERS=$(jq -r '.pull_request.requested_reviewers[].login' < $GITHUB_EVENT_PATH)
	SANITIZED_REVIEWERS=""
	for r in $REVIEWERS; do
	SANITIZED_REVIEWERS="$SANITIZED_REVIEWERS $(sanitize "$r")"
	done
	NEW_REVIEWER=$(jq -r '.requested_reviewer.login' < $GITHUB_EVENT_PATH)
	SANITIZED_NEW_REVIEWER=$(sanitize "$NEW_REVIEWER")
	echo "REVIEWERS=$(echo "$SANITIZED_REVIEWERS" \| xargs)" >> $GITHUB_ENV
	echo "NEW_REVIEWER=$SANITIZED_NEW_REVIEWER" >> $GITHUB_ENV

	- name: Determine checklist type
	id: checklist_type
	run: \|
	COUNT=$(echo "$REVIEWERS" \| wc -w)
	if [ "$COUNT" -eq "1" ]; then
	echo "TEMPLATE=main_rev_checklist.md" >> $GITHUB_ENV
	else
	echo "TEMPLATE=rev_checklist.md" >> $GITHUB_ENV
	fi
	echo "SKIP=false" >> $GITHUB_ENV

	- name: Prepare checklist
	if: env.SKIP == 'false'
	run: \|
	sed "s/__REV__/${{ env.NEW_REVIEWER }}/g" .github/workflows/${{ env.TEMPLATE }} > filled_checklist.md

	- name: Post checklist as a comment
	if: env.SKIP == 'false'
	uses: peter-evans/create-or-update-comment@v3
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	body-path: filled_checklist.md
	issue-number: ${{ github.event.pull_request.number }}

Provide feedback