system-manager for non-nixos machine ganymede

3 files changed, 40 insertions, 7 deletions

diff --git a/flake.nix b/flake.nix
index 2075adf..05970ce 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,6 +19,12 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    # for server that doesn't have nixos
+    system-manager = {
+      url = "github:numtide/system-manager";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     hjem = {
       url = "github:feel-co/hjem";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -26,19 +32,24 @@
   };
 
   outputs = inputs: let
-    mkSystem = import ./lib/nix-furnace/mkSystem.nix;
+    inherit (import ./lib/nix-furnace/mkSystem.nix) mkNixosSystem mkSystemManagerSystem;
   in {
-    nixosConfigurations."mercury" = mkSystem {
+    nixosConfigurations."mercury" = mkNixosSystem {
       inherit inputs;
       hostname = "mercury";
       username = "collin";
       module_types = ["hjem" "nixos"];
     };
-    nixosConfigurations."jupiter" = mkSystem {
+    nixosConfigurations."jupiter" = mkNixosSystem {
       inherit inputs;
       hostname = "jupiter";
       username = "collin";
       module_types = ["hjem" "home" "nixos"];
     };
+
+    systemConfigs."ganymede" = mkSystemManagerSystem {
+      inherit inputs;
+      hostanme = "ganymede";
+    };
   };
 }
diff --git a/hosts/ganymede/system.nix b/hosts/ganymede/system.nix
new file mode 100644
index 0000000..7eb2e74
--- /dev/null
+++ b/hosts/ganymede/system.nix
@@ -0,0 +1,8 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {
+  nixpkgs.hostPlatform = "x86_64-linux";
+}
diff --git a/lib/nix-furnace/mkSystem.nix b/lib/nix-furnace/mkSystem.nix
index 3285f3a..cf14f4a 100644
--- a/lib/nix-furnace/mkSystem.nix
+++ b/lib/nix-furnace/mkSystem.nix
@@ -97,9 +97,23 @@ let
           }
           else {}
         )
-
-        # This is where we would add nix-on-droid modules
       ];
     };
-in
-  mkNixosSystem
+
+  mkSystemManagerSystem = {
+    inputs,
+    hostname,
+  }:
+    inputs.system-manager.lib.makeSystemConfig {
+      modules =
+        [../../modules/options.nix ../../hosts/${hostname}/system.nix]
+        ++ (listModules
+          |> (builtins.map (modName: [
+            (lazyImport ../../modules/${modName}/options.nix)
+            (lazyImport ../../modules/${modName}/system/default.nix)
+          ]))
+          |> my-lib.flatten);
+    };
+in {
+  inherit mkNixosSystem mkSystemManagerSystem;
+}