Function withTemporaryIndex

desktop/project-git/git-runner.ts:68–89

(
  projectId: string,
  callback: (context: { env: NodeJS.ProcessEnv; hasHead: boolean }) => Promise<T>,
)

}

export async function withTemporaryIndex<T>(
  projectId: string,
  callback: (context: { env: NodeJS.ProcessEnv; hasHead: boolean }) => Promise<T>,
) {
  const tempDir = await mkdtemp(join(tmpdir(), 'howcode-git-index-'))
  const env = { ...process.env, GIT_INDEX_FILE: join(tempDir, 'index') }

  try {
    const repositoryHasHead = await hasHeadCommit(projectId)
    if (repositoryHasHead) {
      await runGitWithOptions(projectId, ['read-tree', 'HEAD'], {
        env,
        timeout: 10_000,
        maxBuffer: 1024 * 1024,
      })
    }

    return await callback({ env, hasHead: repositoryHasHead })
  } finally {
    await rm(tempDir, { force: true, recursive: true })
  }
}