direnv

modules/common/shell.nix

@@ -1,10 +1,21 @@
 { pkgs, lib, config, ... }:
 
 {
-  config.users.defaultUserShell = pkgs.zsh;
+  config = {
+    users.defaultUserShell = pkgs.zsh;
 
-  config.programs.thefuck.enable = true;
-  config.programs.zsh = {
+    environment.systemPackages = with pkgs; [ direnv ];
+    nix.settings = {
+      keep-outputs = true;
+      keep-derivations = true;
+    };
+    custom.impermanence.userExtraDirs.jake = [
+      ".local/share/direnv"
+    ];
+
+    programs.thefuck.enable = true;
+
+    programs.zsh = {
       enable = true;
       histSize = 1000000;
       histFile = "$HOME/.zsh_history";
@@ -21,6 +32,12 @@
       shellAliases = {
         "nixos-rebuild" = "nixos-rebuild --flake \"/etc/nixos#${config.networking.fqdn}\"";
       };
+
+      interactiveShellInit = with pkgs; ''
+        eval "$(${direnv}/bin/direnv hook zsh)"
+        source ${nix-direnv}/share/nix-direnv/direnvrc
+      '';
+    };
   };
 }