oplus-merge.sh

#!/bin/bash

# oplus merger

RUNDIR=$(realpath .)
prep() {
        echo "[INFO] Setting up"
        cd $RUNDIR
        mkdir system
        mount system.img system
}
PARTITIONS="my_carrier my_company my_engineering my_heytap my_manifest my_preload my_product my_region my_stock my_version my_bigball"
merge() {
        cd $RUNDIR
        echo "[INFO] Merging $partition into system"
        mkdir $partition >/dev/null 2>&1
        mount -o loop -t auto $partition.img $partition  >/dev/null 2>&1
        cd system/$partition/ >/dev/null 2>&1
        cp -fpr ../..//$partition/apkcerts.txt . >/dev/null 2>&1
        cp -fpr ../../$partition/applist . >/dev/null 2>&1
        cp -fpr ../../$partition/build.prop . >/dev/null 2>&1
        cp -fpr ../../$partition/custom_info.txt . >/dev/null 2>&1
        cp -fpr ../../$partition/decouping_wallpaper . >/dev/null 2>&1
        cp -fpr ../../$partition/del* . >/dev/null 2>&1
        cp -fpr ../../$partition/etc . >/dev/null 2>&1
        cp -fpr ../../$partition/framework . >/dev/null 2>&1
        cp -fpr ../../$partition/lost+found . >/dev/null 2>&1
        cp -fpr ../../$partition/media . >/dev/null 2>&1
        cp -fpr ../../$partition/non_overlay . >/dev/null 2>&1
        cp -fpr ../../$partition/plugin . >/dev/null 2>&1
        cp -fpr ../../$partition/product_overlay . >/dev/null 2>&1
        cp -fpr ../../$partition/res . >/dev/null 2>&1
        cp -fpr ../../$partition/vendor . >/dev/null 2>&1
        cd ../../ >/dev/null 2>&1
        umount -f -l $partition >/dev/null 2>&1
        rm -rf $partition/ >/dev/null 2>&1
}

odmerge() {
        cd $RUNDIR
        echo "[INFO] Merging odm into system"
        mkdir odm >/dev/null 2>&1
        mount -o loop -t auto odm.img odm >/dev/null 2>&1
        cd system >/dev/null 2>&1
        rm -rf odm/
        cp -fpr ../odm/ . >/dev/null 2>&1
        rm -rf odm/etc/ueventd*
        rm -rf odm/etc/*.xml
        rm -rf odm/vendor/
        rm -rf odm/firmware/
        cd ..
        umount -f -l odm  >/dev/null 2>&1
        rm -rf odm  >/dev/null 2>&1
}
clean() {
        echo "[INFO] Cleaning up"
        cd $RUNDIR
        umount -f -l system/
        rm -rf system/
}

prep
for partition in $PARTITIONS; do
    merge
done
#odmerge
clean
echo "[INFO] Done"