Fix Meteor build on Android after Google published com.google.android.gms:play-services-auth:17 and com.google.android.gms:play-services-identity:17

android_fix_google_play_services.js

#!/usr/bin/env node

// .meteor/android_fix_google_play_services.js

console.log('Running android_fix_google_play_services.js to use exact play services version for current Meteor target SDK 26');

var fs    = require('fs');
var pluginxml = 'plugins/cordova-plugin-googleplus/plugin.xml';
var gradlePath = 'platforms/android/build.gradle';
var projectProps = 'platforms/android/project.properties';

if (fs.existsSync(pluginxml)) {
    var data = fs.readFileSync(pluginxml, 'utf8');
    data = data.replace('<framework src="com.google.android.gms:play-services-auth:+" />', '<framework src="com.google.android.gms:play-services-auth:16.0.0" />');
    data = data.replace('<framework src="com.google.android.gms:play-services-identity:+" />', '<framework src="com.google.android.gms:play-services-identity:16.0.0" />');
    fs.writeFileSync(pluginxml, data);
    console.log('-- plugin contents');
    console.log(data);
}

if (fs.existsSync(gradlePath)) {
    var gradle = fs.readFileSync(gradlePath, 'utf8');
    gradle = gradle.replace('compile "com.google.android.gms:play-services-auth:+"', 'compile "com.google.android.gms:play-services-auth:16.0.0"'); 
    gradle = gradle.replace('compile "com.google.android.gms:play-services-identity:+"', 'compile "com.google.android.gms:play-services-identity:16.0.0"'); 
    fs.writeFileSync(gradlePath, gradle);
    console.log('-- gradle contents');
    console.log(gradle);
}

if (fs.existsSync(projectProps)) {
    var props = fs.readFileSync(projectProps, 'utf8');
    props = props.replace('com.google.android.gms:play-services-auth:+', 'com.google.android.gms:play-services-auth:16.0.0'); 
    props = props.replace('com.google.android.gms:play-services-identity:+', 'com.google.android.gms:play-services-identity:16.0.0'); 
    fs.writeFileSync(projectProps, props);
    console.log('-- project contents');
    console.log(props);
}

mobile-config.js

App.appendToConfig('<platform name="android"> \
    <hook type="before_compile" src="../../android_fix_google_play_services.js" /> \
</platform>');