Create default system manager configuration

Author: jfroche

flake.nix

@@ -59,6 +59,7 @@
         nix/packages
         nix/overlays
         nix/systemModules
+        nix/systemConfigs.nix
       ];
     });
 }

nix/packages/default.nix

@@ -66,6 +66,7 @@
             inherit (self'.packages) overlayfs-on-package;
           };
           sync-exts-versions = pkgs.callPackage ./sync-exts-versions.nix { inherit (inputs') nix-editor; };
+          system-manager = inputs'.system-manager.packages.default;
           trigger-nix-build = pkgs.callPackage ./trigger-nix-build.nix { };
           update-readme = pkgs.callPackage ./update-readme.nix { };
           inherit (pkgs.callPackage ./wal-g.nix { }) wal-g-2 wal-g-3;

nix/systemConfigs.nix

@@ -0,0 +1,30 @@
+{ self, inputs, ... }:
+let
+  mkModules = system: [
+    ({
+      services.nginx.enable = true;
+      nixpkgs.hostPlatform = system;
+    })
+  ];
+
+  systems = [
+    "aarch64-linux"
+    "x86_64-linux"
+  ];
+
+  mkSystemConfig = system: {
+    name = system;
+    value.default = inputs.system-manager.lib.makeSystemConfig {
+      modules = mkModules system;
+      extraSpecialArgs = {
+        inherit self;
+        inherit system;
+      };
+    };
+  };
+in
+{
+  flake = {
+    systemConfigs = builtins.listToAttrs (map mkSystemConfig systems);
+  };
+}

nix/systemModules/tests/default.nix

@@ -12,14 +12,7 @@
         check-system-manager =
           let
             lib = pkgs.lib;
-            systemManagerConfig = self.inputs.system-manager.lib.makeSystemConfig {
-              modules = [
-                ({
-                  services.nginx.enable = true;
-                  nixpkgs.hostPlatform = pkgs.system;
-                })
-              ];
-            };
+            systemManagerConfig = self.systemConfigs.${pkgs.system}.default;
 
             dockerImageUbuntuWithTools =
               let