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ublinux-init/ublinux/rc.preinit/03-initvars

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#!/usr/bin/env bash
#
# Author: Dmitry Razumov <asmeron@ublinux.com>
# Copyright (c) 2021-2025 UBLinux <support@ublinux.com>
#
# Initial script for 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" ]] || 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
debug_mode "$0" "$@"
# Filter not variable sell symbols from param kernel
INITVARS_DATA=$(grep -Eiv ".*-.*=.*|.*\..*=.*" ${ROOTFS}/etc/initvars)
echo "${INITVARS_DATA}" > ${ROOTFS}/etc/initvars