File update-git-clean-subdirectory.ts

tests/e2e/tests/misc/update-git-clean-subdirectory.ts:None–None

import { getGlobalVariable } from '../../utils/env';
import { createDir, writeFile } from '../../utils/fs';
import { ng, silentGit } from '../../utils/process';
import { prepareProjectForE2e } from '../../utils/project';