From eb6d108b25c0473f3be010884f244a2adf0fe56d Mon Sep 17 00:00:00 2001
From: Antoine Viallon <antoine@lesviallon.fr>
Date: Thu, 4 Apr 2024 14:35:54 +0200
Subject: [PATCH] [Developer] add direnv hook to bash promptInit

---
 desktop/developer.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/desktop/developer.nix b/desktop/developer.nix
index e1a11ad..1ce5f3f 100644
--- a/desktop/developer.nix
+++ b/desktop/developer.nix
@@ -14,6 +14,18 @@ in {
 
     programs.direnv.enable = true;
     programs.direnv.loadInNixShell = true;
+    programs.bash.promptInit = mkAfter ''
+      _direnv_hook() {
+        local previous_exit_status=$?;
+        trap -- "" SIGINT;
+        eval "$(${getBin config.programs.direnv.package}/bin/direnv export bash)";
+        trap - SIGINT;
+        return $previous_exit_status;
+      };
+      if ! [[ "''${PROMPT_COMMAND:-}" =~ _direnv_hook ]]; then
+        PROMPT_COMMAND="_direnv_hook''${PROMPT_COMMAND:+;$PROMPT_COMMAND}"
+      fi
+    '';
   
     environment.systemPackages = with pkgs; [
       tabnine