Flake Inputs & Outputs¶
flake.nix tracks nixpkgs on
nixos-unstable and composes the system from the inputs below. Most *.nix modules pin
inputs.nixpkgs.follows = "nixpkgs" to keep a single nixpkgs in the closure.
Inputs¶
| Input | Source | Role |
|---|---|---|
nixpkgs |
nixos/nixpkgs/nixos-unstable |
Package set |
home-manager |
nix-community/home-manager |
User environment |
nixos-hardware |
NixOS/nixos-hardware |
Hardware profiles |
nix-cachyos-kernel |
xddxdd/nix-cachyos-kernel |
CachyOS kernel overlay (pinned) |
impermanence |
nix-community/impermanence |
Ephemeral root / /persist |
lanzaboote |
nix-community/lanzaboote |
UEFI Secure Boot |
microvm |
astro/microvm.nix |
Isolated VM guests |
noctalia |
github:noctalia-dev/noctalia |
Noctalia v5 desktop shell |
sops-nix |
Mic92/sops-nix |
Encrypted secrets |
volinit |
lowcache/volinit |
Shell welcome banner |
nur |
nix-community/NUR |
Community overlay |
llm-agents |
numtide/llm-agents.nix |
AI agent tooling overlay |
memd |
lowcache/memd |
Project-memory daemon (HM module) |
Overlays¶
Applied in flake.nix:
nixpkgs.overlays = [
inputs.nix-cachyos-kernel.overlays.pinned # volnix only
inputs.nur.overlays.default
inputs.llm-agents.overlays.default
];
Outputs¶
graph TD
F["flake.nix"] --> V["nixosConfigurations.volnix"]
F --> NG["packages.x86_64-linux.net-gate"]
F --> TS["packages.x86_64-linux.tailscale-vm"]
F --> FM["formatter.x86_64-linux"]
F --> CK["checks.x86_64-linux.*"]
V --> HM["home-manager.users.lowcache → ./home"]| Output | Description |
|---|---|
nixosConfigurations.volnix |
The host (x86_64-linux) |
packages.x86_64-linux.net-gate |
Tor MicroVM runner (nix run .#net-gate) |
packages.x86_64-linux.tailscale-vm |
Tailscale MicroVM runner |
formatter.x86_64-linux |
nixfmt-tree wrapper (nix fmt) |
checks.x86_64-linux.formatting |
nixfmt --check gate for flake source |
checks.x86_64-linux.lint |
statix & deadnix gate for flake source |
The host wires Home Manager as a NixOS module with useGlobalPkgs and useUserPackages, passing
inputs through extraSpecialArgs.