const { execFileSync } = require('node:child_process')

const getCommitId = () => {
  const easCommitId = process.env.EAS_BUILD_GIT_COMMIT_HASH?.trim()
  if (easCommitId) {
    return easCommitId.slice(0, 8)
  }

  try {
    return execFileSync('git', ['rev-parse', '--short=8', 'HEAD'], {
      encoding: 'utf8',
    }).trim()
  } catch {
    return null
  }
}

module.exports = ({ config }) => ({
  ...config,
  extra: {
    ...config.extra,
    commitId: getCommitId(),
  },
})