Add syncthing base, git submodules

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

flake.nix

@@ -1,26 +1,45 @@
 {
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs = {
+      type = "github";
+      owner = "NixOS";
+      # owner = "karaolidis";
+      repo = "nixpkgs";
+      ref = "nixos-unstable";
+      # ref = "integration";
+      # url = "git+file:./submodules/nixpkgs";
+    };
+
+    home-manager = {
+      type = "github";
+      # owner = "nix-community"
+      owner = "karaolidis";
+      repo = "home-manager";
+      ref = "integration";
+      # url = "git+file:./submodules/home-manager";
+
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
+    impermanence = {
+      type = "github";
+      # owner = "nix-community"
+      owner = "karaolidis";
+      repo = "impermanence";
+      ref = "integration";
+      # url = "git+file:./submodules/impermanence";
+    };
 
     disko = {
       url = "github:nix-community/disko";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    impermanence = {
-      url = "github:karaolidis/impermanence/?ref=home-manager-ordering";
-    };
-
     sops-nix = {
       url = "github:Mic92/sops-nix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    home-manager = {
-      url = "github:nix-community/home-manager";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-
     ags = {
       url = "github:Aylur/ags";
       inputs.nixpkgs.follows = "nixpkgs";