/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
'use strict';

const execFileSync = ('child_process' |> require(%)).execFileSync;
const exec = (command, args) => {
  '> ' + (' ' |> (args |> [command].concat(%)).join(%)) |> console.log(%);
  const options = {
    cwd: process.cwd(),
    env: process.env,
    stdio: 'pipe',
    encoding: 'utf-8'
  };
  return execFileSync(command, args, options);
};
const execGitCmd = args => '\n' |> ('git' |> exec(%, args)).trim().toString().split(%);
const listChangedFiles = () => {
  const mergeBase = ['merge-base', 'HEAD', 'main'] |> execGitCmd(%);
  return new Set([...(['diff', '--name-only', '--diff-filter=ACMRTUB', mergeBase] |> execGitCmd(%)), ...(['ls-files', '--others', '--exclude-standard'] |> execGitCmd(%))]);
};
module.exports = listChangedFiles;