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#!/bin/sh

set_mtd_part() {
    partname="rootfs_data"
    mtdpart="$(find_mtd_part $partname)"
}

set_rom_part() {
    rom=$(awk '/squashfs/ {print $2}' /proc/mounts)
}

set_jffs_part() {
    jffs=$(awk '/jffs2/ {print $2}' /proc/mounts)
}

determine_mtd_part() {
    set_mtd_part
    if [ -z "$mtdpart" ]; then
	echo "MTD partition not found."
	exit 1
    fi
}

determine_rom_part() {
    check_skip || {
	set_rom_part
	if [ -z "$rom" ]; then
	    echo "You do not have a squashfs partition; aborting"
	    echo "(firstboot cannot be run on jffs2 based firmwares)"
	    exit 1
	fi
    }
}

determine_jffs2_part() {
    check_skip || {
	set_jffs_part
    }
}

boot_hook_add switch2jffs determine_mtd_part
boot_hook_add jffs2reset determine_mtd_part
boot_hook_add switch2jffs determine_rom_part
boot_hook_add jffs2reset determine_rom_part
boot_hook_add switch2jffs determine_jffs2_part
boot_hook_add jffs2reset determine_jffs2_part