Adding flatpak support

flake.nix

@@ -6,9 +6,10 @@
     home-manager.url = "github:nix-community/home-manager";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
     nixos-hardware.url = "github:NixOS/nixos-hardware/master";
+    nix-flatpak.url = "github:gmodena/nix-flatpak/?ref=v0.4.1";
   };
 
-  outputs = { self, nixpkgs, nixos-hardware, ... }@attrs: {
+  outputs = { self, nixpkgs, nixos-hardware, nix-flatpak, ... }@attrs: {
     nixosConfigurations.lyes-nix = nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
       specialArgs = attrs;
@@ -16,6 +17,7 @@
         ./configuration.nix
         ./hardware/x1-extreme-gen4.nix
         nixos-hardware.nixosModules.lenovo-thinkpad-x1-extreme-gen4
+        nix-flatpak.nixosModules.nix-flatpak
       ];
     };
   };

user/home.nix

@@ -22,4 +22,10 @@
       };
     };
   };
+
+  # Protonup config
+  home.sessionVariables = {
+    STEAM_EXTRA_COMPAT_TOOLS_PATHS =
+      "\${HOME}/.steam/root/compatibilitytools.d";
+  };
 }

user/packages.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs, lib, ... }:
 
 let
   tex = (pkgs.texlive.combine { inherit (pkgs.texlive)
@@ -28,7 +28,6 @@ in {
 
     # Games
     # citra-canary
-    steam
     minecraft
     vvvvvv
 
@@ -48,6 +47,7 @@ in {
 
     # Programming
     git
+    git-lfs
     vscode
     ocaml
     ledit
@@ -68,4 +68,19 @@ in {
     pulseaudio
     libopus
   ];
+
+  # Flatpaks
+  services.flatpak.remotes = lib.mkOptionDefault [{
+    name = "gnome-nightly";
+    location = "https://nightly.gnome.org/gnome-nightly.flatpakrepo";
+  }];
+
+  services.flatpak.packages = [
+    "com.github.muriloventuroso.pdftricks"
+    "app.drey.Damask"
+    "dev.tchx84.Gameeky"
+    "dev.tchx84.Gameeky.FreedomValley"
+    "dev.tchx84.Gameeky.Blasterman"
+    "dev.tchx84.Gameeky.Wackman"
+  ];
 }