text: 'use strict'
  
  const execGit = require('./execGit')
  
  module.exports = async function getStagedFiles(options) {
    try {
      // Docs for --diff-filter option: https://git-scm.com/docs/git-diff#Documentation/git-diff.txt---diff-filterACDMRTUXB82308203
      // Docs for -z option: https://git-scm.com/docs/git-diff#Documentation/git-diff.txt--z
      const lines = await execGit(
        ['diff', '--staged', '--diff-filter=ACMR', '--name-only', '-z'],
        options
      )
      // With `-z`, git prints `fileA\u0000fileB\u0000fileC\u0000` so we need to remove the last occurrence of `\u0000` before splitting
      // eslint-disable-next-line no-control-regex
      return lines ? lines.replace(/\u0000$/, '').split('\u0000') : []
    } catch {
      return null
    }
  }
  