feat: achieve custom evaluation in the framework

Signed-off-by: Ryan Lahfa <ryan@dgnum.eu>

default.nix

@@ -37,8 +37,6 @@
 let
   sources = import ./npins;
   pkgs = import sources.nixpkgs { };
-  liminixHive = import ./liminix-hive.nix { inherit sources; };
-
   pre-commit-check = (import sources.pre-commit-hooks).run {
     src = ./.;
 
@@ -72,19 +70,13 @@ in
       name = "dgnum-infra";
 
       packages =
-        (
-          with pkgs;
-          [
-            npins
-            nixos-generators
-            attic-client
-            liminixHive.liminix.pkgs.pkgsBuildBuild.min-copy-closure
-          ]
-          ++ (builtins.map (p: callPackage p { }) [
-            (sources.disko + "/package.nix")
-            ./lib/colmena
-          ])
-        )
+        (with pkgs; [
+          npins
+          nixos-generators
+          attic-client
+          (callPackage (sources.disko + "/package.nix") { })
+          (callPackage ./lib/colmena { colmena = import sources.colmena; })
+        ])
         ++ (import ./scripts { inherit pkgs; });
 
       shellHook = ''

hive.nix

@@ -2,6 +2,7 @@ let
   sources = import ./npins;
 
   lib = import (sources.nix-lib + "/src/trivial.nix");
+  lib' = (import sources.nixos-unstable { }).lib;
 
   patch = import sources.nix-patches { patchFile = ./patches; };
 
@@ -14,6 +15,8 @@ let
       "_configuration.nix"
       "_hardware-configuration.nix"
     ];
+
+    deployment.systemType = systemType node;
   };
 
   nixpkgs' = import ./meta/nixpkgs.nix;
@@ -27,6 +30,10 @@ let
   # defaulting to the one defined in meta/nixpkgs
   version = node: nodes'.${node}.nixpkgs or nixpkgs'.versions.default;
   system = node: nodes'.${node}.system or nixpkgs'.systems.default;
+  systemType =
+    node:
+    nodes'.${node}.system
+      or (lib'.warn "Not specifying the `deployment.systemType` is deprecated!" "nixos");
 
   # Builds a patched version of nixpkgs, only as the source
   mkNixpkgs' =
@@ -85,8 +92,57 @@ in
 
 {
   registry = {
-    liminix = {
+    zyxel-nwa50ax = {
       evalConfig = import "${sources.liminix}/lib/eval-config.nix" { nixpkgs = sources.nixos-unstable; };
+
+      defaults = {
+        nixpkgs.hostPlatform = {
+          config = "mipsel-unknown-linux-musl";
+          gcc = {
+            abi = "32";
+            arch = "mips32"; # mips32r2?
+          };
+        };
+        # It's impure, but who cares?
+        # Can Flakes do that?
+        nixpkgs.buildPlatform = builtins.currentSystem;
+      };
+    };
+
+    nixos = {
+      evalConfig = import "${sources.nixos-unstable}/nixos/lib/eval-config.nix";
+      defaults =
+        { nodeMeta, name, ... }:
+        {
+          # Import the default modules
+          imports = [ ./modules ];
+
+          # Include default secrets
+          age-secrets.sources = [ ./machines/${name}/secrets ];
+
+          # Deployment config is specified in meta.nodes.${node}.deployment
+          inherit (nodeMeta) deployment;
+
+          nix = {
+            # Set NIX_PATH to the patched version of nixpkgs
+            nixPath = [ "nixpkgs=${mkNixpkgs' (version name)}" ];
+            optimise.automatic = true;
+
+            gc = {
+              automatic = true;
+              dates = "weekly";
+              options = "--delete-older-than 7d";
+            };
+          };
+
+          # Allow unfree packages
+          nixpkgs.config.allowUnfree = true;
+
+          # Use the stateVersion declared in the metadata
+          system = {
+            inherit (nodeMeta) stateVersion;
+          };
+        };
     };
   };
 
@@ -99,58 +155,5 @@ in
 
     nodeSpecialArgs = lib.mapSingleFuse mkArgs nodes;
   };
-
-  registry.nixos.defaults =
-    { nodeMeta, name, ... }:
-    {
-      # Import the default modules
-      imports = [ ./modules ];
-
-      # Include default secrets
-      age-secrets.sources = [ ./machines/${name}/secrets ];
-
-      # Deployment config is specified in meta.nodes.${node}.deployment
-      inherit (nodeMeta) deployment;
-
-      nix = {
-        # Set NIX_PATH to the patched version of nixpkgs
-        nixPath = [ "nixpkgs=${mkNixpkgs' (version name)}" ];
-        optimise.automatic = true;
-
-        gc = {
-          automatic = true;
-          dates = "weekly";
-          options = "--delete-older-than 7d";
-        };
-      };
-
-      # Allow unfree packages
-      nixpkgs.config.allowUnfree = true;
-
-      # Use the stateVersion declared in the metadata
-      system = {
-        inherit (nodeMeta) stateVersion;
-      };
-    };
-
-  ap01 =
-    let
-      device = import "${sources.liminix}/devices/zyxel-nwa50ax";
-    in
-    {
-      deployment.systemType = "liminix";
-      nixpkgs.hostPlatform = {
-        config = "mipsel-unknown-linux-musl";
-        gcc = {
-          abi = "32";
-          arch = "mips32"; # mips32r2?
-        };
-      };
-      nixpkgs.buildPlatform = "x86_64-linux";
-      imports = [
-        ./machines/ap/configuration.nix
-        device.module
-      ];
-    };
 }
 // (lib.mapSingleFuse mkNode nodes)

liminix-hive.nix

@@ -1,38 +0,0 @@
-# This is a very rudimentary hive to deploy Liminix images.
-{
-  sources ? import ./npins,
-  nixpkgs ? sources.nixpkgs,
-  liminix ? sources.liminix,
-}:
-let
-  evalLiminix =
-    { config, device }:
-    {
-      primary = import liminix {
-        inherit device nixpkgs;
-        imageType = "primary";
-        liminix-config = config;
-      };
-      secondary = import liminix {
-        inherit device nixpkgs;
-        imageType = "secondary";
-        liminix-config = config;
-      };
-    };
-  zyxel = {
-    nwa50ax = import "${liminix}/devices/zyxel-nwa50ax";
-  };
-in
-{
-  liminix.pkgs =
-    (import liminix {
-      device = zyxel.nwa50ax;
-      imageType = "primary";
-      liminix-config = ./machines/ap/configuration.nix;
-    }).pkgs;
-  devices = zyxel;
-  ap-test = evalLiminix {
-    config = ./machines/ap/configuration.nix;
-    device = zyxel.nwa50ax;
-  };
-}

machines/ap01/_hardware-configuration.nix

@@ -0,0 +1 @@
+{ }

npins/default.nix

@@ -42,6 +42,7 @@ let
       builtins.fetchGit {
         inherit (repository) url;
         rev = revision;
+        allRefs = true;
         # hash = hash;
       };
 

npins/sources.json

@@ -38,6 +38,17 @@
       "url": "https://github.com/zhaofengli/attic/archive/4dbdbee45728d8ce5788db6461aaaa89d98081f0.tar.gz",
       "hash": "1iri77pbf0gvas93zra29qy1c3l61n97z84xblqxmmhsxvljzvnh"
     },
+    "colmena": {
+      "type": "Git",
+      "repository": {
+        "type": "Git",
+        "url": "https://git.dgnum.eu/DGNum/colmena.git"
+      },
+      "branch": "custom-activation",
+      "revision": "937ca4d17aecd3ae7394a2a1772dd3e705cb5779",
+      "url": null,
+      "hash": "11n9qdm0zi3s89zdcdmyv4l4wv5aq8b4sigx54cp24plxszxrsa7"
+    },
     "disko": {
       "type": "GitRelease",
       "repository": {
@@ -68,14 +79,13 @@
     "liminix": {
       "type": "Git",
       "repository": {
-        "type": "GitHub",
-        "owner": "RaitoBezarius",
-        "repo": "liminix"
+        "type": "Git",
+        "url": "https://git.dgnum.eu/DGNum/liminix.git"
       },
-      "branch": "colmena--compat",
-      "revision": "411a6bc688763fe62d210ccfe066a6cea72a9dce",
-      "url": "https://github.com/RaitoBezarius/liminix/archive/411a6bc688763fe62d210ccfe066a6cea72a9dce.tar.gz",
-      "hash": "17wg5288z3085rd4day1qqi1pm0cmibmcm6nrqrgrc1w1iwja9f0"
+      "branch": "main",
+      "revision": "7ae86c23d96b5e6a59fff4d8ebcb3e2e90e4034f",
+      "url": null,
+      "hash": "1kw6jp5xnpwnpl2pal3qpr5ljrsvjish4v4m0brnxchc8s1ygq6i"
     },
     "linkal": {
       "type": "Git",