Function freshRequireForceUpdate

test/forceUpdateKeepList.test.js:21–33

(execFileStub)

let installRoot;

function freshRequireForceUpdate(execFileStub) {
  delete require.cache[forceUpdateModPath];
  require.cache[pathsModPath] = {
    id: pathsModPath, filename: pathsModPath, loaded: true,
    exports: { getEvolverInstallRoot: () => installRoot },
  };
  childProcess.execFileSync = execFileStub;
  try {
    return require('../src/forceUpdate');
  } finally {
    childProcess.execFileSync = origExecFileSync;
  }
}

// Fake degit: write a new-version package.json + index.js into TMP_TARGET.
// args layout: ['-y', 'degit', 'EvoMap/evolver', <TMP_TARGET>]