#!/bin/sh

set -e

entrypoint_log() {

if [ -z "${NGINX_ENTRYPOINT_QUIET_LOGS:-}" ]; then

echo "$@"

fi

}

if [ "${ROBOTS_NOINDEX:-false}" != "true" ]; then

exit 0

fi

ROOT="${NOINDEX_HTML_ROOT:-/usr/share/nginx/html}"

MARKER='<!-- bentopdf-noindex-injected -->'

META_TAG='<meta name="robots" content="noindex, follow">'

entrypoint_log "ROBOTS_NOINDEX=true: injecting noindex meta into HTML under $ROOT"

if [ ! -d "$ROOT" ]; then

entrypoint_log "WARNING: $ROOT not found; skipping noindex injection"

exit 0

fi

find "$ROOT" -type f -name '*.html' | while read -r file; do

if grep -q "$MARKER" "$file"; then

continue

fi

if grep -q '<meta name="robots" content="noindex' "$file"; then

sed -i "1a\\

$MARKER

" "$file"

continue

fi

sed -i "s|</head>| $META_TAG\\

$MARKER\\

</head>|" "$file"

done

entrypoint_log "ROBOTS_NOINDEX: injected meta into HTML files"