#!/usr/bin/env bashio
# shellcheck shell=bash
set -euo pipefail

fix_file="/etc/chromium.d/dev-shm"

if [ -f "${fix_file}" ]; then
    bashio::log.info "Patching Chromium shared memory helper for reliable startup"
    cat << 'PATCH' > "${fix_file}"
# shellcheck shell=sh
# Patched by alexbelgium/hassio-addons to avoid arithmetic errors with large values on some shells.
shm_avail=$(findmnt -bnr -o avail -T /dev/shm 2>/dev/null)

if python3 - "${shm_avail}" <<'PY'
import re
import sys

raw = sys.argv[1] if len(sys.argv) > 1 else ''
match = re.search(r'\d+', raw)
value = int(match.group(0)) if match else 0
LIMIT = 4080218931
sys.exit(0 if value < LIMIT else 1)
PY
then
    export CHROMIUM_FLAGS="${CHROMIUM_FLAGS} --disable-dev-shm-usage"
fi
PATCH
    chmod 0644 "${fix_file}"
fi