#!/usr/bin/env bash
# makepkg wrapper that calls customizepkg first
# NOTE - not setting -u here since pkgname detection runs into undefined variables a lot
set -ef -o pipefail +o history

CURRENT_DIR_PATH="$(readlink -f "$(realpath -e "$(pwd)")")"
GLOBAL_CONF_DIR_PATH='/etc/customizepkg.d'
USER_CONF_DIR_PATH="${HOME}/.customizepkg"

pkgbuild_path="${CURRENT_DIR_PATH}/PKGBUILD"
pkgbuild_copy_path="${pkgbuild_path}.original"

function is_readable_file {
  local file_path="${1:-''}"
  local ret=1
  if [[ (-n "$file_path") && (-f "$file_path") && (-r "$file_path") ]];then
    ret=0
  fi
  return $ret
}

if  is_readable_file "$pkgbuild_path" &&
    ! is_readable_file "$pkgbuild_copy_path";then
  eval $(grep -Pazo '[^[:print:]][[:blank:]]*_?(pkg.*|name)=(\((.|\n)*?\)|.*?(?=\x0a))' ./PKGBUILD | sed 's, #.*$,,' | grep -Eva '\$\(|`|pkgdesc')
  if [[ -n "${pkgname:-''}" ]];then
    global_conf_path="${GLOBAL_CONF_DIR_PATH}/${pkgname}"
    user_conf_path="${USER_CONF_DIR_PATH}/${pkgname}"
    if  is_readable_file "$global_conf_path" ||
        is_readable_file "$user_conf_path";then
      customizepkg --modify
    fi
  fi
fi

exec /usr/bin/makepkg ${@}