#!/usr/bin/bash
#
# Author: Dmitry Razumov <asmeron@ublinux.com>
# Copyright (c) 2021-2025 UBLinux <support@ublinux.com>
#
# SPDX-License-Identifier: AGPL-3.0-or-later
#
# Initial script for Linux UBLinux
# This script are launching before starting init from initrd script
# Current dir allways must be set to root (/)
# All system path must be relative, except initrd dirs

ENABLED=yes
[[ ${ENABLED} == "yes" ]] || { return 0 2>/dev/null && return 0 || exit 0; }
DEBUGMODE=no

PATH=.:/:/usr/bin:/usr/local/bin:/usr/local/sbin

[[ -d /usr/lib/ublinux ]] && { ROOTFS= ; CMD_CHROOT= ; } || { [[ -d /sysroot ]] && ROOTFS="/sysroot" || ROOTFS="."; CMD_CHROOT="chroot ${ROOTFS}"; }
SOURCE=${ROOTFS}/usr/lib/ublinux/functions; [[ -f ${SOURCE} ]] && . ${SOURCE} 2>/dev/null || exit 0
SOURCE=${ROOTFS}/usr/lib/ublinux/default; [[ -f ${SOURCE} ]] && . ${SOURCE} 2>/dev/null || exit 0

debug_mode "$0" "$@"

MODULES_BLACKLIST=$(cmdline_value blacklist | tr ',;' ' ')

SYSCONF="${ROOTFS}${SYSCONF}"
SOURCE=${SYSCONF}/config; [[ -f ${SOURCE} ]] && . ${SOURCE} 2>/dev/null
SOURCE=${SYSCONF}/hardware; [[ -f ${SOURCE} ]] && . ${SOURCE} 2>/dev/null

exec_modulespreload(){
    for SELECT_MODULE in ${MODULES_PRELOAD//,/ }; do
	[[ ${BLACK_LIST_MODULES} =~ (^|,|;)${SELECT_MODULE}(,|;|$) || ${CMD_CHROOT} modprobe ${SELECT_MODULE}
    done

    BLACK_LIST="${ROOTFS}/etc/modprobe.d/blacklist-ublinux.conf"
    for SELECT_MODULE in ${MODULES_BLACKLIST//,/ }; do
	[[ $(< ${BLACK_LIST}) =~ (^|$'\n')"blacklist ${SELECT_MODULE}"($'\n'|$) ]] || echo "blacklist ${SELECT_MODULE}" >> ${BLACK_LIST}
    done
}

################
##### MAIN #####
################

    exec_modulespreload