a build script

build.js

import fs from "fs-extra";
import eachSeries from "async/eachSeries";
import { exec } from "child_process";
import { androidDirectory } from "../../app.json";
import { resolveFromRoot, distDir, createLogger } from "../build";

const logger = createLogger("android");

const APK_PATTERN = /release\.apk$/i;

function copyArtifactsToDist() {
  logger.logHeader("Copying APK to Dist", { repeatChar: "=" });
  const baseDir = `${androidDirectory}/app/build/outputs/apk`;

  const allFlavs = ["dev", "qa", "ua", "prod", "in"];
  const branchName = process.env.GitVersion_BranchName || "";
  const buildFlavour = branchName.startsWith("release/") ? allFlavs : ["dev"];
  const envs = {
    dv: "DEV",
    qa: "QA",
    ua: "UA",
    in: "INT",
    prod: ""
  };

  buildFlavour
    .map(env => {
      const apkOutputDir = resolveFromRoot(`${baseDir}/${env}/release`);
      return {
        apkOutputDir,
        env
      };
    })
    .forEach(({ apkOutputDir, env }) => {
      const src = `${apkOutputDir}/app-${env}-release.apk`;
      //prettier-ignore
      const binaryName = env === 'prod' ? 'ENGAL.apk' : `ENGAL-${envs[env]}.apk`;
      const dest = `${distDir}/${binaryName}`;
      fs.copy(src, dest, (err: Error) => {
        if (err) {
          logger.error(err);
        }
      });
    });
}

function run() {
  logger.logHeader("Starting Android Builds", { repeatChar: "#" });
  const flavours = [
    {
      endpoint: "dv",
      flavour: "Dev",
      appcenterKey: "<hash_key>"
    },
    {
      endpoint: "qa",
      flavour: "Qa",
      appcenterKey: "<hash_key>"
    },
    {
      endpoint: "ua",
      flavour: "Ua",
      appcenterKey: "<hash_key>"
    },
    {
      endpoint: "prod",
      flavour: "Prod",
      appcenterKey: "<hash_key>"
    }
  ];

  const versionCode = process.env.Build || 1;
  const release = process.env.GitVersion_MajorMinorPatch || "1.0.0";
  const fullAppVersion = `${release}-${versionCode}`;

  const devFlav = flavours.find(f => f.flavour.toLocaleLowerCase() === "dev");

  const branchName = process.env.GitVersion_BranchName || "";
  const buildFlavour = branchName.startsWith("release/") ? flavours : [devFlav];

  eachSeries(
    buildFlavour,
    (f, callback) => {
      //prettier-ignore
      logger.logHeader(
        `starting gradle assemble${f.flavour}Release with flag - versionName=${fullAppVersion} -PversionCode=${versionCode}`,
        {repeatChar: '-'}
      );

      const engaInfo = `ENGAGE_VERSION=${fullAppVersion}`;
      const engaEndpoint = `ENGAGE_ENDPOINT=${f.endpoint}`;
      const engaCenter = `APPCENTER_KEY=${f.appcenterKey}`;
      const engaPlatform = "APPCENTER_PLATFORM=android";
      //prettier-ignore
      const prepare = `${engaEndpoint} ${engaCenter} ${engaInfo} ${engaPlatform} npm run setup`;
      const cd = `cd ${androidDirectory}`;
      //prettier-ignore
      const releaseCmd = `./gradlew assemble${f.flavour}Release -PversionName=${fullAppVersion} -PversionCode=${versionCode} && cd ..`;

      exec(`${prepare} && ${cd} && ${releaseCmd}`, err => {
        if (err) {
          return callback(err);
        }

        logger.logHeader(`${f.flavour} Android Build Successful!`, {
          repeatChar: "#"
        });
        logger.close();
        callback(null);
      });
    },
    error => {
      if (error) {
        logger.logHeader("Android Builds Failed!", {
          repeatChar: "#"
        });
        logger.error(error);
        logger.close();
      }
      copyArtifactsToDist();
    }
  );
}

run();