$ nix --extra-experimental-features nix-command flakes build --out-link /tmp/nixos-rebuild.rAHLyE/nixos-rebuild .#nixosConfigurations."monolith".config.system.build.nixos-rebuild --verbose
warning: Git tree '/home/lelgenio/projects/nixos-config' is dirty
evaluating file '/nix/store/vqny2ayx5bjs9w29n0kimmxq2rax061b-source/flake.nix'
$ exec /nix/store/n05m4wrq8hiwlv1n87q5zfvv4ginp299-nixos-rebuild/bin/nixos-rebuild switch --verbose --flake .#
building the system configuration...
Building in flake mode.
$ nix --extra-experimental-features nix-command flakes build .#nixosConfigurations."monolith".config.system.build.toplevel --verbose --out-link /tmp/nixos-rebuild.3us5Ex/result
warning: Git tree '/home/lelgenio/projects/nixos-config' is dirty
evaluating file '/nix/store/vqny2ayx5bjs9w29n0kimmxq2rax061b-source/flake.nix'
$ sudo --preserve-env=NIXOS_INSTALL_BOOTLOADER -- nix-env -p /nix/var/nix/profiles/system --set /nix/store/zghfi9sjbzjczd21ksnfxys76cqggirq-nixos-system-monolith-22.05.20220714.c06d5fa
$ sudo --preserve-env=NIXOS_INSTALL_BOOTLOADER -- /nix/store/zghfi9sjbzjczd21ksnfxys76cqggirq-nixos-system-monolith-22.05.20220714.c06d5fa/bin/switch-to-configuration switch
leaving systemd-boot 250.4 in place (250.4 is not newer)
stopping the following units: -.mount, boot-efi.mount, home.mount
Failed to stop -.mount: Job type stop is not applicable for unit -.mount.
Terminated