git-diff

git-diff-example.js

const ABORT_BUILD_CODE = 0;
const CONTINUE_BUILD_CODE = 1;

const continueBuild = () => {
  console.log("🟢 - building");
  process.exit(CONTINUE_BUILD_CODE);
};
const abortBuild = (reason) => {
  console.log("⚪️ - build canceled :", reason);
  process.exit(ABORT_BUILD_CODE);
};

const currentApp = process.cwd().split("/").pop();

/**
 * This checks if there are any changes in the folder for the targeted application
 */
const checkGitDiff = () => {
  if (!currentApp || !fs.existsSync(fromRootPath(`./apps/${currentApp}`))) {
    abortBuild("app not found");
  }

  const diffInApp = Number(
    childProcess
      .execSync(`git diff --name-only HEAD^ HEAD ${appPath} | wc -l`)
      .toString()
      .replace("\n", "")
  );

  return diffInApp ? true : abortBuild("no changes in app");
};