Restrict tmux and desktop tools to Void hosts

dotfiles/desktop/.tmux/plugins/tmux-project/flake.nix

@@ -0,0 +1,30 @@
+{
+  description = "A very basic flake";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, flake-utils, nixpkgs }: flake-utils.lib.eachDefaultSystem (system:
+    let
+      pkgs = import nixpkgs { inherit system; };
+    in
+    {
+      packages.default = pkgs.callPackage ./packages/default.nix { };
+
+      devShells.default =
+        let
+          tmux_conf = pkgs.writeText "tmux.conf" ''
+            run-shell ${self.packages.${system}.default.rtp}/project.tmux
+          '';
+        in
+        pkgs.mkShell {
+          buildInputs = with pkgs; [ tmux fzf ];
+          shellHook = ''
+            TMUX= TMUX_TMPDIR= exec tmux -f ${tmux_conf}
+          '';
+        };
+    }
+  );
+}