wip: trying to get obsidian working

not a working build, syntax issues, added options that are not available
in stable home-manager

flake.nix

@@ -2,11 +2,16 @@
   description = "Wyatt's nix configuration suite";
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
+    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
     nix-flatpak.url = "github:gmodena/nix-flatpak/?ref=v0.6.0";
     home-manager = {
       url = "github:nix-community/home-manager/release-25.05";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    home-manager-unstable = {
+      url = "https://github.com/nix-community/home-manager";
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+    };
     darwin = {
       url = "github:lnl7/nix-darwin/nix-darwin-25.05";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -17,9 +22,11 @@
   outputs = inputs @ {
     self,
     nixpkgs,
+    nixpkgs-unstable,
     nix-flatpak,
     darwin,
     home-manager,
+    home-manager-unstable,
     ghostty,
     ...
   }: let
@@ -28,6 +35,10 @@
     extraSpecialArgs = {
       inherit userName userEmail ghostty;
     };
+
+    obsidianOverlay = final: prev: {
+      obsidian = nixpkgs-unstable.legacyPackages.${final.system}.obsidian;
+    };
   in {
     meta = import ./meta;
 
@@ -66,6 +77,10 @@
         ./modules/common
         ./modules/machine/cloud
 
+        {
+          nixpkgs.overlays = [ obsidianOverlay ];
+        }
+
         home-manager.nixosModules.home-manager
         {
           home-manager.useGlobalPkgs = true;