feat: add adaptive pinentry module (rofi on TTY, curses on SSH)

hosts/jpporta-nixos/home.nix

@@ -36,6 +36,7 @@ Warning: Identity file /home/jpporta/.ssh/id_rsa not accessible: No such file or
     ../../modules/home-manager/openspec
     ../../modules/home-manager/power-profiles
     ../../modules/home-manager/ntfy-notify
+    ../../modules/home-manager/pinentry
 
     inputs.zen-browser.homeModules.beta
   ];
@@ -150,13 +151,7 @@ Warning: Identity file /home/jpporta/.ssh/id_rsa not accessible: No such file or
     gpg.enable = true;
   };
 
-  services.gpg-agent = {
-    enable = true;
-    pinentry.package = pkgs.pinentry-rofi;
-    enableSshSupport = true; # only if you use gpg keys as ssh keys
-    defaultCacheTtl = 3600;
-    maxCacheTtl = 86400;
-  };
+  custom.pinentry.enable = true;
 
   services.swaync.enable = true;
 }

modules/home-manager/pinentry/default.nix

@@ -0,0 +1,32 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+
+let
+  pinentry-wrapper = pkgs.writeShellScriptBin "pinentry-wrapper" ''
+    if [ -n "''${SSH_CONNECTION:-}" ] || [ -n "''${SSH_TTY:-}" ]; then
+      exec ${pkgs.pinentry-curses}/bin/pinentry-curses "$@"
+    else
+      exec ${pkgs.pinentry-rofi}/bin/pinentry-rofi "$@"
+    fi
+  '';
+in {
+  options.custom.pinentry = {
+    enable = lib.mkEnableOption "adaptive pinentry: rofi on TTY, curses on SSH";
+  };
+
+  config = lib.mkIf config.custom.pinentry.enable {
+    home.packages = [ pinentry-wrapper ];
+
+    services.gpg-agent = {
+      enable = true;
+      pinentry.package = pinentry-wrapper;
+      enableSshSupport = true;
+      defaultCacheTtl = 3600;
+      maxCacheTtl = 86400;
+    };
+  };
+}