From 6bc301694a094734a01d520e19375e41fe026dfb Mon Sep 17 00:00:00 2001
From: Jake Hillion <jake@hillion.co.uk>
Date: Wed, 26 Jul 2023 20:45:47 +0100
Subject: [PATCH] direnv

---
 modules/common/shell.nix | 47 +++++++++++++++++++++++++++-------------
 1 file changed, 32 insertions(+), 15 deletions(-)

diff --git a/modules/common/shell.nix b/modules/common/shell.nix
index cab4d78..1924fde 100644
--- a/modules/common/shell.nix
+++ b/modules/common/shell.nix
@@ -1,25 +1,42 @@
 { pkgs, lib, config, ... }:
 
 {
-  config.users.defaultUserShell = pkgs.zsh;
+  config = {
+    users.defaultUserShell = pkgs.zsh;
 
-  config.programs.thefuck.enable = true;
-  config.programs.zsh = {
-    enable = true;
-    histSize = 1000000;
-    histFile = "$HOME/.zsh_history";
-
-    setOptions = [
-      "INC_APPEND_HISTORY"
-      "SHARE_HISTORY"
+    environment.systemPackages = with pkgs; [ direnv ];
+    nix.settings = {
+      keep-outputs = true;
+      keep-derivations = true;
+    };
+    custom.impermanence.userExtraDirs.jake = [
+      ".local/share/direnv"
     ];
 
-    syntaxHighlighting = {
-      enable = true;
-    };
+    programs.thefuck.enable = true;
 
-    shellAliases = {
-      "nixos-rebuild" = "nixos-rebuild --flake \"/etc/nixos#${config.networking.fqdn}\"";
+    programs.zsh = {
+      enable = true;
+      histSize = 1000000;
+      histFile = "$HOME/.zsh_history";
+
+      setOptions = [
+        "INC_APPEND_HISTORY"
+        "SHARE_HISTORY"
+      ];
+
+      syntaxHighlighting = {
+        enable = true;
+      };
+
+      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
+      '';
     };
   };
 }