#!/bin/bash

set -e

function usage {

    cat <<EOF

Compile uboot for MNT Reform
---
This script compile uboot for the MNT Reform2 laptop.

USAGE:
make_uboot.sh <target>

where <target> can be:

 sdcard: build uboot for sdcard (default)
 emmc: build uboot for emmc

The <target> arguments can be replaced by UBOOT_BUILD environment variable

EOF

}

function error {
    >&2 printf "\e[31mE\e[0m %s\n" "$1"
}

export ARCH=arm64
export CROSS_COMPILE=aarch64-linux-gnu-
GIT_URL="https://source.mnt.re/reform/reform-boundary-uboot"



if [ -n "$1" ]
then
    UBOOT_BUILD="$1"
fi

if [ -z "$UBOOT_BUILD" ]
then
    UBOOT_BUILD="sdcard"
fi

if [ ! -d u-boot ]
then
    printf "Cloning uboot form MNTMN repo...\n"
    if ! git clone --depth 1  "$GIT_URL" u-boot
    then
        error "Can't clone uboot from MNT, check version"
        exit 11
    fi
fi

cp u-boot/mntreform-config u-boot/.config

cd u-boot

case $UBOOT_BUILD in
    " emmc")
        make -j$(nproc) flash.bin KCPPFLAGS='-DMNTREFORM_BOOT_EMMC'
         ;;
    "sdcard")
        make -j$(nproc) flash.bin
         ;;
    *)
        error "${UBOOT_BUILD} is not a valid option"
esac
cd ..

exit 0