revanced-patch

#!/usr/bin/env bash
# Requires: git, curl, wget, jq, adb, OpenJDK 17, Android SDK
set -eu
REALPATH=$(realpath "$0")
CURRENT_DIRECTORY=$(dirname "${REALPATH}")
ASSETS_DIRECTORY="${CURRENT_DIRECTORY}/assets"

CLI_NAME='cli.jar'
PATCHES_NAME='patches.jar'
INTEGRATIONS_NAME='integrations.jar'
KEYSTORE_NAME='output.keystore'

# Check arguments
APK_NAME=""
INSTALL_DEVICE=""
if test "$#" -eq 1; then
    if test "$1" = "-h" || test "$1" = "--help"; then
        echo "./$0 [--install] <APK_FILE>"
        exit 0
    else
        APK_NAME=$(realpath "$1")
    fi
elif test "$#" -eq 2; then
    if test "$1" = "-i" || test "$1" = "--install"; then
        set +e
        INSTALL_DEVICE=$(~/.local/share/scripts/adb_choose.sh)
        if test "$?" -ne 0; then
            echo "No ADB device found."
            exit 1
        fi
        set -e
    else
        echo "Invalid argument: \"$1\""
        exit 1
    fi
    APK_NAME=$(realpath "$2")
else
    echo "Invalid amount of arguments"
    exit 1
fi

if ! test -f "${APK_NAME}"; then
    echo "APK not found: \"${APK_NAME}\""
    exit 1
fi

OUTPUT_BASENAME=$(basename "${APK_NAME}")
OUTPUT_NAME=$(sed 's/\.apk$//i' <<< "${OUTPUT_BASENAME}")
OUTPUT_NAME="${OUTPUT_NAME}_patched.apk"
OUTPUT_PATH=$(realpath "${OUTPUT_NAME}")

cd "${CURRENT_DIRECTORY}"
if ! test -f "${KEYSTORE_NAME}"; then
    echo "Keystore \"${KEYSTORE_NAME}\" does not exist"
    exit 1
fi
KEYSTORE_PATH=$(realpath "${KEYSTORE_NAME}")

if ! test -d "${ASSETS_DIRECTORY}"; then
    mkdir "${ASSETS_DIRECTORY}"
fi

# Integrations
cd "${ASSETS_DIRECTORY}"
if ! test -d 'revanced-integrations'; then
    git clone 'https://github.com/revanced/revanced-integrations.git'
fi
cd 'revanced-integrations'
echo "sdk.dir=${HOME}/Android/Sdk" > local.properties # TODO: might need to be changed
git stash
git checkout main
git stash
git pull origin main
INTEGRATIONS_LAST_VER=$(git describe --tags --abbrev=0 --match v*)
INTEGRATIONS_LAST_VER_NO_V=$(tail -c +2 <<< "${INTEGRATIONS_LAST_VER}")
git checkout "${INTEGRATIONS_LAST_VER}"
sed -i 's/isMinifyEnabled = true/isMinifyEnabled = false/g' app/build.gradle.kts
chmod +x gradlew
./gradlew assembleRelease
cp "app/build/outputs/apk/release/revanced-integrations-${INTEGRATIONS_LAST_VER_NO_V}.apk" "${ASSETS_DIRECTORY}/${INTEGRATIONS_NAME}"

# Download GitHub asset function
# first arg: target name
# second arg: github release api url
function download_asset() {
    cd "${ASSETS_DIRECTORY}"
    local LAST_RELEASE=$(curl -s "$2" | jq -r '.assets[] | .browser_download_url | select(endswith(".jar"))' | head -n1)
    wget -N "${LAST_RELEASE}"
    local DOWNLOADED_NAME=$(basename "${LAST_RELEASE}")
    if test -L "$1"; then
        local OLD_FILE=$(readlink -f "$1")
        local OLD_FILE_BASENAME=$(basename "${OLD_FILE}")
        if test "${DOWNLOADED_NAME}" != "${OLD_FILE_BASENAME}"; then
            rm "${OLD_FILE}"
        fi
        rm "$1"
    fi
    ln -s "${DOWNLOADED_NAME}" "$1"
}

# Patches
download_asset "${PATCHES_NAME}" 'https://api.github.com/repos/revanced/revanced-patches/releases/latest'

# CLI
download_asset "${CLI_NAME}" 'https://api.github.com/repos/revanced/revanced-cli/releases/latest'

# Patch
cd "${ASSETS_DIRECTORY}"
java -jar "${CLI_NAME}" -c -b "${PATCHES_NAME}" -m "${INTEGRATIONS_NAME}" --keystore="${KEYSTORE_PATH}" -a "${APK_NAME}" --exclusive -i YOUR_PATCH -o "${OUTPUT_PATH}" # TODO: change patch
if test "${INSTALL_DEVICE}" != ""; then
    CURRENT_USER=$(adb -s "${INSTALL_DEVICE}" shell dumpsys activity | grep 'mUserLru' | grep -Eo '[0-9]+\]$' | tr -d ']')
    adb -s "${INSTALL_DEVICE}" install -r --user "${CURRENT_USER}" "${OUTPUT_PATH}"
fi