From e17b382062bfba700c0b1e4ec31406560e855ff2 Mon Sep 17 00:00:00 2001
From: Antoine Viallon <antoine@lesviallon.fr>
Date: Thu, 11 May 2023 19:17:55 +0200
Subject: [PATCH] [Services/GnuPG] fix GPG issues when no tty is available
 (i.e. when ran by Pycharm)

---
 services/gnupg.nix | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/services/gnupg.nix b/services/gnupg.nix
index d459b09..18a0a33 100644
--- a/services/gnupg.nix
+++ b/services/gnupg.nix
@@ -1,6 +1,10 @@
 { config, pkgs, lib, ... }:
 with lib;
-{
+let
+  gpgNoTTY = pkgs.writeShellScriptBin "gpg-no-tty" ''
+    exec ${pkgs.gnupg}/bin/gpg --batch --no-tty "$@"
+  '';
+in {
   config = {
 
     programs.gnupg = {
@@ -13,10 +17,18 @@ with lib;
     };
 
     environment.shellInit = ''
-      export GPG_TTY="$(tty)"
-      gpg-connect-agent /bye
-      export SSH_AUTH_SOCK="/run/user/$UID/gnupg/S.gpg-agent.ssh"
+      if tty --silent; then
+        export GPG_TTY="$(tty)"
+        gpg-connect-agent /bye
+        export SSH_AUTH_SOCK="/run/user/$UID/gnupg/S.gpg-agent.ssh"
+      else
+        alias gpg=${gpgNoTTY}/bin/gpg-no-tty
+      fi
     '';
+
+    environment.systemPackages = [
+      gpgNoTTY
+    ];
   
     systemd.user.services.gpg-agent = let
       pinentrySwitcher = pkgs.callPackage ../packages/pinentry.nix {};