feat: massive refactor

modules/core/persist.nix

@@ -0,0 +1,83 @@
+{
+  lib,
+  config,
+  username,
+  ...
+}:
+let
+  cfg = config.my.persist;
+in
+{
+  options.my.persist = {
+    enable = lib.mkEnableOption "persist";
+    location = lib.mkOption {
+      type = lib.types.str;
+      default = "/nix/persist";
+      example = lib.literalExpression ''
+        "/persistent"
+      '';
+      description = lib.mdDoc ''
+        Persistent location
+      '';
+    };
+    homeDirs = lib.mkOption {
+      default = [ ];
+      example = lib.literalExpression ''
+        [
+          ".minecraft"
+          ".cargo"
+        ]
+      '';
+      description = lib.mdDoc ''
+        HomeManager persistent dirs.
+      '';
+    };
+    nixosDirs = lib.mkOption {
+      default = [ ];
+      example = lib.literalExpression ''
+        [
+          "/root"
+          "/var"
+        ]
+      '';
+      description = lib.mdDoc ''
+        NixOS persistent dirs.
+      '';
+    };
+    homeFiles = lib.mkOption {
+      default = [ ];
+      example = lib.literalExpression ''
+        [
+          ".hmcl.json"
+        ]
+      '';
+      description = lib.mdDoc ''
+        Persistent files.
+      '';
+    };
+    nixosFiles = lib.mkOption {
+      default = [ ];
+      example = lib.literalExpression ''
+        [
+          "/etc/machine-id"
+        ]
+      '';
+      description = lib.mdDoc ''
+        Persistent files.
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    programs.fuse.userAllowOther = true;
+    environment.persistence.${cfg.location} = {
+      hideMounts = true;
+      directories = cfg.nixosDirs;
+      files = cfg.nixosFiles;
+      users.${username} = {
+        files = cfg.homeFiles;
+        directories = cfg.homeDirs;
+      };
+    };
+  };
+}