GPG status module for Waybar

pkgs/default.nix

@@ -35,6 +35,8 @@ let
 
     kat-weather = super.callPackage ./kat-weather { };
 
+    kat-gpg-status =super.callPackage ./kat-gpg-status { };
+
     linuxPackagesFor = kernel:
       (super.linuxPackagesFor kernel).extend (_: ksuper: {
         vendor-reset =

pkgs/kat-gpg-status/default.nix

@@ -0,0 +1,8 @@
+{
+  wrapShellScriptBin,
+  pkgs
+}:
+
+wrapShellScriptBin "kat-gpg-status" ./kat-gpg-status.sh {
+  depsRuntimePath = with pkgs; [coreutils gnupg];
+}

pkgs/kat-gpg-status/kat-gpg-status.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -eu
+set -o pipefail
+
+gpg --card-status &> /dev/null;
+if [ $? -eq 0 ]; then
+	user=" $(gpg --card-status | grep "Login data" | awk '{print $NF}')";
+else
+	user=" Disconnected"
+fi
+
+echo $user