Function atomicMoveToInstallPath

src/utils/nativeInstaller/installer.ts:300–326

(
  stagedBinaryPath: string,
  installPath: string,
)

}

async function atomicMoveToInstallPath(
  stagedBinaryPath: string,
  installPath: string,
) {
  // Create installation directory if it doesn't exist
  await mkdir(dirname(installPath), { recursive: true })

  // Move from staging to final location atomically
  const tempInstallPath = `${installPath}.tmp.${process.pid}.${Date.now()}`

  try {
    // Copy to temp next to install path, then rename. A direct rename from staging
    // would fail with EXDEV if staging and install are on different filesystems.
    await copyFile(stagedBinaryPath, tempInstallPath)
    await chmod(tempInstallPath, 0o755)
    await rename(tempInstallPath, installPath)
    logForDebugging(`Atomically installed binary to ${installPath}`)
  } catch (error) {
    // Clean up temp file if it exists
    try {
      await unlink(tempInstallPath)
    } catch {
      // Ignore cleanup errors
    }
    throw error
  }
}

async function installVersionFromPackage(
  stagingPath: string,