Detect what retropie rom directories dont have all their metadata

find_images_gamelist.sh

#!/usr/bin/env bash

readonly target_dir="${1:-}"

if [ -z "${target_dir}" ] || ! [ -d "${target_dir}" ]; then
  echo "ERROR: doesnt exist or isnt a directory [${target_dir}]"
  exit 1
fi

readonly RED=$( tput setaf 1 )
readonly GREEN=$( tput setaf 2 )
readonly YELLOW=$( tput setaf 3 )
readonly RESET=$( tput sgr0 )

has_gamelist() {
  local -r dir="${1}"

  [ -f "${dir}/gamelist.xml" ]
}

has_images() {
  local -r dir="${1}"

  [ -d "${dir}/images" ]
}

is_empty_dir() {
  local -r dir="${1}"

  # https://superuser.com/a/352387
  [ -n "$( find "${dir}" -maxdepth 0 -type d -empty 2>/dev/null )" ]
}

main() {
  for rom_dir in "${target_dir}"/*; do
    if is_empty_dir "${rom_dir}"; then
      echo -e "${YELLOW}- ${rom_dir} (empty)${RESET}"
    else
      echo "- ${rom_dir}:"

      if has_gamelist "${rom_dir}"; then
        echo -e "  ${GREEN}✓ Gamelist${RESET}"
      else
        echo -e "  ${RED}✗ Gamelist${RESET}"
      fi

      if has_images "${rom_dir}"; then
        echo -e "  ${GREEN}✓ Images${RESET}"
      else
        echo -e "  ${RED}✗ Images${RESET}"
      fi
    fi
  done
}

main