make_new_device_patch

#!/bin/bash

workdir=`pwd`
toolpath=$workdir/unpack-bootimg-tools/mkboot
patchrootdir=$workdir/patch_device
rawrec=$1
newdevname=$2
patchdevdir=$patchrootdir/$newdevname
androidmk=$patchdevdir/Android.mk
exampledeviceconf=$patchrootdir/example/device.conf
exampleinitconf=$patchrootdir/example/init.conf

pout() {
    printf "${C_OUT}${*}${C_CLEAR}\n"
}

perr() {
    printf "${C_ERR}${*}${C_CLEAR}\n"
}

clean()
{
    rm -rf $patchdevdir
    pout "......"
    exit
}

function usage()
{
	pout " Usage: $0 recovery_path new_device_name"
	pout "  $0 ./i9300-recovery.img i9300"
	clean
}

function unpack_bootimg()
{
	pout ">>> unpacking $rawrecpath ..."
	$toolpath $rawrec $patchdevdir
	pout ">>> unpack recovery image done!"
}

function generate_androidmk()
{
    pout ""
    pout ""
    pout ""
    echo "--------------------------------------------------------"
    echo "Get img_info:"
    echo "--------------------------------------------------------"
    cat $patchdevdir/img_info
    echo "--------------------------------------------------------"
    pout ""
    eval $(cat $patchdevdir/img_info)
    if [ -z $kernel ]|| [ -z $ramdisk ] || [ -z $base_addr ]; then
        pout "img_info file have not enough parameters."
        clean
    fi
	pout "LOCAL_PATH := \$(call my-dir)" > $androidmk
    pout "include \$(DD_CLEAR)" >> $androidmk
    pout "DD_PRODUCT := $newdevname" >> $androidmk
    pout "DD_KERNEL := \$(LOCAL_PATH)/kernel" >> $androidmk
    if [ -f $patchdevdir/dt.img ] && [ -n $dtb_size ];then
        pout "DD_DTIMG := \$(LOCAL_PATH)/dt.img" >> $androidmk
    fi
    pout "" >> $androidmk
    pout "DD_KERNEL_BASE := $base_addr" >> $androidmk
    pout "DD_KERNEL_PAGESIZE := $page_size" >> $androidmk
    pout "DD_KERNEL_CMDLINE := $cmd_line" >> $androidmk
    if [ -n $ramdisk_offset ];then
        pout "DD_RAMDISK_OFFSET := $ramdisk_offset" >> $androidmk
    fi
    if [ -n $tags_offset ];then
        pout "DD_TAGS_OFFSET := $tags_offset" >> $androidmk
    fi
    pout ""
    pout "Please enter screen type:"
    pout "MDPI:   resolution < 480p"
    pout "HDPI:   480p <= resolution < 720p"
    pout "XHDPI:  720p <= resolution < 1080p"
    pout "XXHDPI: resolution >= 1080p"
    pout ""
    read -p "Enter screen type (MDPI/HDPI/XHDPI/XXHDPI): " screentype
    case $screentype in
        MDPI | HDPI | XHDPI | XXHDPI)
        pout "DD_DEVICE_SCREEN_TYPE := \"$screentype\"" >> $androidmk
        ;;
    *)
        pout "Invalid screen type: $screentype, please check it. Exit!"
        clean
        ;;
    esac
    
    pout "" >> $androidmk
    pout "DD_PRODUCT_ROOT := \$(LOCAL_PATH)/root" >> $androidmk
    pout "DD_DEVICE_CONFIG := \$(LOCAL_PATH)/*.conf" >> $androidmk
    pout "include \$(DD_RECOVERY)" >> $androidmk
    pout ""
    pout ""
    echo "--------------------------------------------------------"
    pout "Generate Android.mk:"
    echo "--------------------------------------------------------"
    cat $androidmk
    echo "--------------------------------------------------------"
    pout ""
    pout ""
}

function handle_patch_device()
{
    generate_androidmk
	mv $patchdevdir/ramdisk $patchdevdir/root
    mv $patchdevdir/zImage $patchdevdir/kernel
    rm -rf $patchdevdir/ramdisk.gz
    rm -rf $patchdevdir/img_info
    echo "cp -f $exampledeviceconf $patchdevdir/device.conf"
    echo "cp -f $exampleinitconf $patchdevdir/init.conf"
    cp -f $exampledeviceconf $patchdevdir/device.conf
    cp -f $exampleinitconf $patchdevdir/init.conf
}

if [[ "$#" == "2" ]] && [[ -f $1 ]];then
	pout "RAW recovery: $rawrec"
	pout "NEW device name: $newdevname"
	pout "Patch device path: $patchdevdir"
else
	usage
fi

unpack_bootimg;
handle_patch_device;

pout "FINISHED!"