#!/bin/sh

set -e

copy_if() {
    if [ ! -f "$1" ]; then
        echo "❌ missing source file: $1"
        exit 1
    fi

    mkdir -p "$2" && cp -f "$1" "$2" || exit 1
}

echo "1, 查找 rootfs 根文件系统..."

ROOTFS_TAR="./mfgimages-myd-y6ull-ddr512m-emmc4g-base/rice-roofs.tar.bz2"
if [ ! -f "$ROOTFS_TAR" ]; then
    echo "File not found: $ROOTFS_TAR"
    exit 1
fi

echo "2, 解压 rootfs 根文件系统..."

MY_WORKDIR="./rice-rootfs"
rm -rf "$MY_WORKDIR" && mkdir -p "$MY_WORKDIR"

tar -xjf "$ROOTFS_TAR" -C "$MY_WORKDIR"

echo "3, 更新 rootfs 根文件系统..."

ROOTFS_OPT="$MY_WORKDIR/opt/yfkj"
MYBINS_DIR="../build"

copy_if "$MYBINS_DIR/networkd"  "$ROOTFS_OPT/networkd.service/a"
copy_if "$MYBINS_DIR/timesyncd" "$ROOTFS_OPT/timesyncd.service/a"

echo "4, 压缩 rootfs 根文件系统..."

TMP_ROOTFS="${ROOTFS_TAR}.tmp"

tar -cjf "$TMP_ROOTFS" -C "$MY_WORKDIR" .
mv "$TMP_ROOTFS" "$ROOTFS_TAR"

rm -rf "$MY_WORKDIR" # Clean up the temporary directory

echo "5, 生成 sdcard 卡镜像文件..."
./Y2-build.sh

echo "✅ done."