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ArianK16a/generate_rro.sh

Created May 26, 2022 17:16
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  1. ArianK16a created this gist May 26, 2022.
    108 changes: 108 additions & 0 deletions generate_rro.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,108 @@
    #!/usr/bin/bash
    #
    # Copyright (C) 2022 The LineageOS Project
    #
    # SPDX-License-Identifier: Apache-2.0
    #

    DEBUG=0
    if [[ ${DEBUG} != 0 ]]; then
    log="/dev/tty"
    else
    log="/dev/null"
    fi

    if [[ -z ${1} ]]; then
    echo usage: generate_rro.sh /path/to/rro.apk
    exit
    fi

    SRC="${1}"

    # Create a temporary working directory
    TMPDIR=$(mktemp -d)

    name=$(basename ${SRC} | sed "s/.apk//g")

    if ! apktool d "${SRC}" -o "${TMPDIR}"/out &> "${log}"; then
    echo "Failed to dump ${name}"
    exit
    fi

    rm -rf mkdir ./rro_overlays/${name}
    mkdir ./rro_overlays/${name}

    # Copy resources from apktool dump
    cp -r ${TMPDIR}/out/res ./rro_overlays/${name}/
    rm ./rro_overlays/${name}/res/values/public.xml
    # If public.xml was the only file in res/values remove it
    if [[ -z "$(ls -A ./rro_overlays/${name}/res/values)" ]]; then
    rm -rf ./rro_overlays/${name}/res/values
    fi

    # Begin writing Android.bp
    printf "runtime_resource_overlay {
    name: \"${name}\"," > ./rro_overlays/${name}/Android.bp

    # Set theme if necessary
    theme=$(echo $SRC | sed -n "s/.*overlay\/\([a-zA-Z0-9_-]\+\)\/.*\.apk/\1/gp")
    echo "theme is: ${theme}" > "${log}"
    if [[ ! -z "${theme}" ]]; then
    printf "\n theme: \"${theme}\"," >> ./rro_overlays/${name}/Android.bp
    fi

    # Choose the partition
    partition=$(echo $SRC | sed -n "s/.*\/\([a-z]\+\)\/overlay.*/\1/gp")
    echo "partition is: ${partition}" > "${log}"
    if echo "product system_ext" | grep -w -q ${partition}; then
    printf "\n ${partition}_specific: true," >> ./rro_overlays/${name}/Android.bp
    elif echo "vendor" | grep -w -q ${partition}; then
    printf "\n vendor: true," >> ./rro_overlays/${name}/Android.bp
    fi

    # Keep raw values if necessary
    # Experimental logic: Check if there are values starting with 0 and assume that the leading 0s
    # are critical and should be kept
    if [[ ! -z $(find ./rro_overlays/${name}/res -type f | xargs -I 'file' sed -n "/\(=\"0[0-9]\+\)/p" file) ]]; then
    printf "\n aaptflags: ["--keep-raw-values"]," >> ./rro_overlays/${name}/Android.bp
    fi

    # Finish the Android.bp
    printf "\n}\n" >> ./rro_overlays/${name}/Android.bp

    # Get attributes from AndroidManifest.xml
    package=$(sed -n "s/.*package=\"\([a-z.]\+\)\".*/\1/gp" ${TMPDIR}/out/AndroidManifest.xml)
    targetPackage=$(sed -n "s/.*targetPackage=\"\([a-z.]\+\)\".*/\1/gp" ${TMPDIR}/out/AndroidManifest.xml)
    targetName=$(sed -n "s/.*targetName=\"\([a-zA-Z.]\+\)\".*/\1/gp" ${TMPDIR}/out/AndroidManifest.xml)
    isStatic=$(sed -n "s/.*isStatic=\"\([a-z]\+\)\".*/\1/gp" ${TMPDIR}/out/AndroidManifest.xml)
    priority=$(sed -n "s/.*priority=\"\([0-9]\+\)\".*/\1/gp" ${TMPDIR}/out/AndroidManifest.xml)

    echo "package is: ${package}" > "${log}"
    echo "targetPackage is: ${targetPackage}" > "${log}"
    echo "targetName is: ${targetName}" > "${log}"
    echo "isStatic is: ${isStatic}" > "${log}"
    echo "priority is: ${priority}" > "${log}"

    # Begin writing AndroidManifest.xml
    printf "<manifest xmlns:android=\"http://schemas.android.com/apk/res/android\"
    package=\"${package}\">
    <overlay android:targetPackage=\"${targetPackage}\"" > ./rro_overlays/${name}/AndroidManifest.xml

    # Write optional properties and close the overlay block
    optional_properties=""
    if [[ ! -z "${targetName}" ]]; then
    optional_properties="${optional_properties}\n android:targetName=\"${targetName}\""
    fi
    if [[ ! -z "${isStatic}" ]]; then
    optional_properties="${optional_properties}\n android:isStatic=\"${isStatic}\""
    fi
    if [[ ! -z "${priority}" ]]; then
    optional_properties="${optional_properties}\n android:priority=\"${priority}\""
    fi
    printf "${optional_properties}/>\n" >> ./rro_overlays/${name}/AndroidManifest.xml

    # Close the manifest
    printf "</manifest>\n" >> ./rro_overlays/${name}/AndroidManifest.xml

    # Clear the temporary working directory
    rm -rf "${TMPDIR}"