gradle-bump

#!/usr/bin/env node

// Here's a super hacky way to bump versionCode in your gradle build file
// for React Native projects
// Usage: gradle-bump PATH_TO_GRADLE_BUILD
// ----------------------------------------------------------------------
// Note: this only affects versionCode value and not versionName which is
// something you want to edit manually

if (process.argv.length < 3) {
  console.error('Usage: gradle-bump PATH_TO_GRADLE_BUILD_FILE');
  process.exit(1);
}

var fs = require('fs');
var gradleFileLocation = process.argv[2];
var versionCodeRx = /(versionCode) ([0-9]+)/ig;
var gradleConfigContent = fs.readFileSync(gradleFileLocation).toString();
var currentVersionCode = parseInt(versionCodeRx.exec(gradleConfigContent)[2], 10);

fs.writeFileSync(gradleFileLocation,
  gradleConfigContent.replace(versionCodeRx, '$1 ' + (currentVersionCode + 1))
);

console.log('Bumped versionCode: ', currentVersionCode, '->', currentVersionCode + 1);