1 files changed, 83 insertions, 7 deletions

diff --git a/modules/by-name/di/direnv/module.nix b/modules/by-name/di/direnv/module.nix
index 7c81e671..fc800f35 100644
--- a/modules/by-name/di/direnv/module.nix
+++ b/modules/by-name/di/direnv/module.nix
@@ -10,21 +10,97 @@
 {
   config,
   lib,
+  pkgs,
+  sources,
   ...
 }: let
   cfg = config.soispha.programs.direnv;
+  direnvCfg = config.home-manager.users.soispha.programs.direnv;
+
+  inherit (sources) devshells nixpkgs;
+
+  pre-cache = pkgs.runCommand "pre-cache.sh" {} ''
+    cat "${./pre-cache.sh}" > $out
+
+    substituteInPlace $out \
+      --replace-fail "%DEVSHELLS_REPO%" "${devshells}" \
+      --replace-fail "%DEVSHELLS_REPO_REF%" "${devshells.sourceInfo.rev}.${builtins.readFile "${nixpkgs}/.git-revision"}"
+  '';
+
+  landrun-fish = pkgs.writeShellApplication {
+    name = "landrun-fish";
+    text = builtins.readFile ./landrun-fish.sh;
+    inheritPath = true;
+    runtimeInputs = [
+      pkgs.landrun
+    ];
+  };
+
+  direnvPkg = lib.getExe direnvCfg.package;
 in {
   options.soispha.programs.direnv = {
     enable = lib.mkEnableOption "direnv";
   };
 
-  config.home-manager.users.soispha.programs.direnv = lib.mkIf cfg.enable {
-    enable = true;
-    nix-direnv.enable = true;
-    config = {
-      warn_timeout = 0;
-      # strict_env = true;
-      # disable_stdin = true;
+  config = lib.mkIf cfg.enable {
+    soispha.programs.fish.integrations.direnv =
+      # fish
+      ''
+        set --global SHOULD_SANDBOX_DIRENV
+
+        function _direnv_export_eval
+          ${direnvPkg} export fish | source
+        end
+
+        function _direnv_hook --on-variable PWD
+          if not set --query IN_DIRENV_SANDBOX;
+            and set --query SHOULD_SANDBOX_DIRENV;
+            and ${direnvPkg} status | grep 'Found RC path' --quiet;
+            and ${direnvPkg} status | grep 'No .envrc or .env loaded' --quiet
+
+            # We found a RC path, but no RC file is loaded. So we can start our shell and
+            # load it.
+            ${lib.getExe landrun-fish} --init-command='_direnv_export_eval'
+
+            # After the user exists (via Ctrl+D), they probably want to change the
+            # directory.
+            ll
+          else
+            _direnv_export_eval
+          end
+        end
+      '';
+
+    home-manager.users.soispha = {
+      programs.direnv = {
+        enable = true;
+
+        package = pkgs.direnv-patched;
+
+        nix-direnv = {
+          enable = true;
+          package = pkgs.nix-direnv.override {nix = config.nix.package;};
+        };
+
+        # Handled by myself (and the script is overridden)
+        enableBashIntegration = true;
+        enableZshIntegration = true;
+        enableFishIntegration = false;
+
+        config = {
+          warn_timeout = 0;
+
+          # NOTE: Something variable is undeclared in the my default loaded stuff :/. <2026-08-18>
+          # strict_env = true;
+
+          # disable_stdin = true;
+        };
+      };
+      xdg.configFile = {
+        "direnv/lib/hm-pre-cache.sh" = {
+          source = pre-cache;
+        };
+      };
     };
   };
 }