Automates generating keys and building release apks with buildozer

sign-and-deploy.sh

#!/bin/bash
KEYNAME=$1
KEYPASS=$2

function generate_keys() {
    # Make keystores directory if it doesn't exist
    if [ ! -d ~/keystores ]; then
        mkdir ~/keystores
    fi

    # Make keystore file if it doesn't exist
    if [ ! -f ~/keystores/${KEYNAME}.keystore ]; then
        keytool -genkey -keystore ~/keystores/${KEYNAME}.keystore -alias ${KEYNAME}-keystore -storepass ${KEYPASS} -keyalg RSA -keysize 2048 -validity 10000
        keytool -importkeystore -srckeystore ~/keystores/${KEYNAME}.keystore -destkeystore ~/keystores/${KEYNAME}.keystore -deststoretype pkcs12 -storepass ${KEYPASS}
        echo "Finished generating keystore!"
    fi

}

function set_env_var() {
    export P4A_RELEASE_KEYSTORE=~/keystores/${KEYNAME}.keystore
    export P4A_RELEASE_KEYSTORE_PASSWD=${KEYPASS}
    export P4A_RELEASE_KEYALIAS_PASSWD=${KEYPASS}
    export P4A_RELEASE_KEYALIAS=${KEYNAME}-keystore
    echo "Finished exporting env variables!"
}

function change_buildozer_arm() {
    # Get script to help edit buildozer.spec
    if [ ! -d a2346014a77e86733956e618aff44dbe ]; then
        git clone https://gist.github.com/Dirk-Sandberg/a2346014a77e86733956e618aff44dbe.git
    else
        git -C a2346014a77e86733956e618aff44dbe pull
    fi
    cp a2346014a77e86733956e618aff44dbe/update_buildozer_spec.py ./

    # Set min target API and the arch to 64 bit (arm64-v8a)
    python3 update_buildozer_spec.py arm64-v8a
    buildozer android release

    # Set the arch to 32 bit (armeabi-v7a)
    python3 update_buildozer_spec.py armeabi-v7a
    buildozer android release

    # Clean up temp files
    rm update_buildozer_spec.py
    sudo rm -r a2346014a77e86733956e618aff44dbe
}

function echo_finished() {
    echo "> FINISHED BUILDING RELEASE APKs"
    echo "> TWO APKs BUILT"
    echo "> files are under the /bin folder"
    echo "> Go to https://play.google.com/apps/publish to start the upload process"
    echo "> Make sure you upload the 64 bit apk before the 32 bit apk. The order is important."
}

function print_usage() {
    echo "Usage: ${0} <keyname> <keypassword>"
}

function do_all() {
    if [ -z ${KEYPASS} ]; then
        print_usage
        return 1
    fi
    if [ -z ${KEYNAME} ]; then
        print_usage
        return 1
    fi
    generate_keys
    set_env_var
    change_buildozer_arm
    echo_finished
}

do_all