```
error: --- Error --------------------------------------------------------------------- nix
flake 'git+file:///Users/michael/.config/darwin' does not provide attribute 'packages.x86_64-darwin.darwinConfigurations.MacBook-Pro.system', 'legacyPackages.x86_64-darwin.darwinConfigurations.MacBook-Pro.system' or 'darwinConfigurations.MacBook-Pro.system'
```