home: move direnv around, disable direnv logging, add helper command

users/max/home.nix

@@ -64,6 +64,7 @@ in
   imports = [
     ./home/bat.nix
     ./home/editor
+    ./home/direnv.nix
     ./home/fzf.nix
     ./home/lsd.nix
     ./home/git.nix
@@ -71,14 +72,6 @@ in
     ./home/ssh.nix
   ] ++ optionalDesktopModule;
 
-  # direnv
-  programs.direnv.enable = true;
-  programs.direnv.nix-direnv.enable = true;
-  programs.direnv.enableFishIntegration = false;
-  programs.direnv.enableZshIntegration = true;
-  programs.direnv.config = {
-    global.warn_timeout = "24h";
-  };
   programs.home-manager.enable = systemProfile == "headless";
   programs.zsh.enable = true;
   home.activation = lib.mkIf (systemProfile == "headless") {

users/max/home/direnv.nix

@@ -0,0 +1,22 @@
+{ pkgs, ... }:
+
+let
+  use = pkgs.writeShellScriptBin "use" ''
+    echo "use ''${@:-flake}" >> .envrc
+    ${pkgs.direnv}/bin/direnv allow
+  '';
+in
+
+{
+  programs.direnv = {
+    enable = true;
+    nix-direnv.enable = true;
+    enableFishIntegration = false;
+    enableZshIntegration = true;
+    config.global.warn_timeout = "24h";
+  };
+
+  home.sessionVariables.DIRENV_LOG_FORMAT = "";
+
+  home.packages = [ use ];
+}