Download, update, uninstall, create shortcut for https://github.com/google/bundletool

install-bundletool.sh

#!/usr/bin/env sh

shopt -s expand_aliases
source ~/.bash_profile

# Function to grep and get value from github releases
function extract_value {
  echo "$1" | grep "$2" | cut -d : -f 2,3 | tr -d \",
}

function latest_bundletool_url {
    echo "https://api.github.com/repos/google/bundletool/releases/latest"
}

function specific_bundletool_url {
    version=${1}
    echo "https://api.github.com/repos/google/bundletool/releases/tags/${version}"
}

function release_bundletool {
    version=${1}
    response_file='github_bundletool_response.json'
    if [ ! ${version} ]; then api_url=$(latest_bundletool_url); else api_url=$(specific_bundletool_url $version); fi
    curl -s ${api_url} > ${response_file}
    response=$(cat ${response_file})
    rm ${response_file}
    echo "${response}"
}

function download_bundletool {
    version=${1}
    response=$(release_bundletool ${version})
    download_url=$(extract_value "${response}" "browser_download_url")
    bundletool_jar="/usr/local/bin/bundletool.jar"
    curl --progress-bar -o ${bundletool_jar} -L ${download_url}

    bundletool_path="/usr/local/bin/bundletool"
    echo "#!/usr/bin/env bash" > ${bundletool_path}
    echo 'java -jar /usr/local/bin/bundletool.jar "$@"' >> ${bundletool_path}
    chmod +x ${bundletool_path}
}

function install_bundletool {
    echo >&2 "Bundletool is not installed. Installing bundletool."
    version=${1}
    if [ ! ${version} ]; then bundletool="latest bundletool"; else bundletool="bundletool version ${version}"; fi
    echo "Downloading ${bundletool}..."
    download_bundletool ${version}
    echo "Done installing bundletool, you can now restart terminal and try 'bundletool help'"
}

function current_version {
    current_version=`bundletool version`
    current_version=${current_version//[^0-9.]/}
    echo ${current_version}
}

function update_bundletool {
    # Hit github API, to get latest release
    current_version=$(current_version)
    echo "Checking for latest bundletool version (current ${current_version})..."

    # Get values that we need
    response=$(release_bundletool)
    tag_name=$(extract_value "${response}" "tag_name")
    version="${tag_name//[^0-9.]/}"
    if [ ${current_version} == ${version} ]; then
        echo "Your bundletool is already updated to the latest version."
        exit 0
    fi
    echo "There is a new update for bundletool version ${current_version} -> (${version})"
    echo "Updating bundletool to version ${version}..."

    # Delete older version
    uninstall_bundletool

    # Download latest release, and delete the old one
    echo "Downloading latest bundletool version (${version})..."
    download_bundletool
    echo "Done updating bundletool to version ${version}"
}

function uninstall_bundletool {
    bash_wrapper="/usr/local/bin/bundletool"
    rm ${bash_wrapper}
    jar_file="/usr/local/bin/bundletool.jar"
    rm ${jar_file}
    echo "Finished uninstalling older version of bundletool"
}

if command -v bundletool &> /dev/null; then
    if [[ ${1} = 'uninstall' ]]; then
        uninstall_bundletool
    else
        update_bundletool
    fi
else
    if [[ ${1} = 'uninstall' ]]; then
        echo 'Cannot uninstall bundletool, bundletool is not installed'
    else
        version=$1
        install_bundletool ${version}
    fi
fi

This script can install, update and, uninstall bundletool (installed from this script). This script will install bundletool jar file to /usr/local/bin, and a wrapper bash script that runs java -jar bundletool.jar

How to use:

• download install_bundletool.sh, or you can use it directly with curl -sL https://git.io/JLyon | bash
• to install run sh install_bundletool.sh
• to install specific version run sh install_bundletool.sh ${version}, example sh install_bundletool.sh 1.4.0
• if you already installed older version of bundletool, to update, run sh install_bundletool.sh, it will automatically uninstall older version and install the new one
• if you want to uninstall bundletool, run sh install_bundletool.sh uninstall