a lot of shit also baibai home manager, hello hjem

modules/flake/lib/validators.nix

@@ -0,0 +1,128 @@
+{lib, ...}: let
+  inherit (lib.attrsets) getAttrFromPath;
+  inherit
+    (builtins)
+    elem
+    filter
+    hasAttr
+    any
+    ;
+  /*
+  *
+  a function that will append a list of groups if they exist in config.users.groups
+
+  # Arguments
+
+  - [config] the configuration that nixosConfigurations provides
+  - [groups] a list of groups to check for
+
+  # Type
+
+  ```
+  ifTheyExist :: AttrSet -> List -> List
+  ```
+
+  # Example
+
+  ```nix
+  ifTheyExist config ["wheel" "users"]
+  => ["wheel"]
+  ```
+  */
+  ifTheyExist = config: groups: filter (group: hasAttr group config.users.groups) groups;
+
+  /*
+  *
+  convenience function check if the declared device type is of an accepted type
+
+  # Arguments
+
+  - [config] the configuration that nixosConfigurations provides
+  - [list] a list of devices that will be accepted
+
+  # Type
+
+  ```
+  isAcceptedDevice :: AttrSet -> List -> Bool
+  ```
+
+  # Example
+
+  ```nix
+  isAcceptedDevice osConfig ["foo" "bar"]
+  => false
+  ```
+  */
+  isAcceptedDevice = conf: list: elem conf.olympus.device.type list;
+
+  /*
+  *
+  check if the device is wayland-ready
+
+  # Arguments
+
+  - [config] the configuration that nixosConfigurations provides
+
+  # Type
+
+  ```
+  isWayland :: AttrSet -> Bool
+  ```
+
+  # Example
+
+  ```nix
+  isWayland osConfig
+  => true
+  ```
+  */
+  isWayland = conf: conf.olympus.meta.isWayland;
+
+  /*
+  *
+  check if the device is modernShell-ready
+
+  # Arguments
+
+  - [config] the configuration that nixosConfigurations provides
+
+  # Type
+
+  ```
+  isModernShell :: AttrSet -> Bool
+  ```
+
+  # Example
+
+  ```nix
+  isModernShell osConfig
+  => true
+  ```
+  */
+  isModernShell = conf: conf.olympus.programs.cli.enable && conf.olympus.programs.cli.modernShell.enable;
+
+  anyHome = conf: cond: path: let
+    list =
+      map (
+        user:
+          getAttrFromPath (
+            [
+              "users"
+              user
+            ]
+            ++ path
+          )
+          conf
+      )
+      conf.olympus.system.users;
+  in
+    any cond list;
+in {
+  inherit
+    ifTheyExist
+    isAcceptedDevice
+    isWayland
+    isModernShell
+    anyHome
+    ;
+}