extract-files.sh

#!/bin/bash
#
# SPDX-FileCopyrightText: 2016 The CyanogenMod Project
# SPDX-FileCopyrightText: 2017-2024 The LineageOS Project
# SPDX-License-Identifier: Apache-2.0
#

set -e

# Load extract_utils and do some sanity checks
MY_DIR="${BASH_SOURCE%/*}"
if [[ ! -d "${MY_DIR}" ]]; then MY_DIR="${PWD}"; fi

ANDROID_ROOT="${MY_DIR}/../../.."

# Define the default patchelf version used to patch blobs
# This will also be used for utility functions like FIX_SONAME
# Older versions break some camera blobs for us
export PATCHELF_VERSION=0_17_2

HELPER="${ANDROID_ROOT}/tools/extract-utils/extract_utils.sh"
if [ ! -f "${HELPER}" ]; then
    echo "Unable to find helper script at ${HELPER}"
    exit 1
fi
source "${HELPER}"

# Default to sanitizing the vendor folder before extraction
CLEAN_VENDOR=true

ONLY_COMMON=
ONLY_TARGET=
KANG=
SECTION=

while [ "${#}" -gt 0 ]; do
    case "${1}" in
        --only-common)
            ONLY_COMMON=true
            ;;
        --only-target)
            ONLY_TARGET=true
            ;;
        -n | --no-cleanup)
            CLEAN_VENDOR=false
            ;;
        -k | --kang)
            KANG="--kang"
            ;;
        -s | --section)
            SECTION="${2}"
            shift
            CLEAN_VENDOR=false
            ;;
        *)
            SRC="${1}"
            ;;
    esac
    shift
done

if [ -z "${SRC}" ]; then
    SRC="adb"
fi

function blob_fixup() {
    case "${1}" in
        vendor/lib64/mediadrm/libwvdrmengine.so|vendor/lib64/libwvhidl.so)
            [ "$2" = "" ] && return 0
            grep -q "libcrypto_shim.so" "${2}" || "${PATCHELF}" --add-needed "libcrypto_shim.so" "${2}"
            ;;
        vendor/etc/seccomp_policy/atfwd@2.0.policy)
            [ "$2" = "" ] && return 0
            [ -n "$(tail -c 1 "${2}")" ] && echo >> "${2}"
            grep -q "gettid: 1" "${2}" || echo "gettid: 1" >> "${2}"
            ;;
        *)
            return 1
            ;;
    esac

     return 0
}

function blob_fixup_dry() {
    blob_fixup "$1" ""
}

if [ -z "${ONLY_TARGET}" ]; then
    # Initialize the helper for common device
    setup_vendor "${DEVICE_COMMON}" "${VENDOR_COMMON:-$VENDOR}" "${ANDROID_ROOT}" true "${CLEAN_VENDOR}"

    extract "${MY_DIR}/proprietary-files.txt" "${SRC}" "${KANG}" --section "${SECTION}"
fi

if [ -z "${ONLY_COMMON}" ] && [ -s "${MY_DIR}/../../${VENDOR}/${DEVICE}/proprietary-files.txt" ]; then
    # Reinitialize the helper for device
    source "${MY_DIR}/../../${VENDOR}/${DEVICE}/extract-files.sh"
    setup_vendor "${DEVICE}" "${VENDOR}" "${ANDROID_ROOT}" false "${CLEAN_VENDOR}"

    extract "${MY_DIR}/../../${VENDOR}/${DEVICE}/proprietary-files.txt" "${SRC}" "${KANG}" --section "${SECTION}"
fi

"${MY_DIR}/setup-makefiles.sh"