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

profiles/sway/home/waybar/default.nix

@@ -21,6 +21,7 @@
           "idle_inhibitor"
           #"mpd"
           "network"
+          "custom/gpg-status"
           "custom/weather"
           "clock"
           "tray"
@@ -42,6 +43,11 @@
             on-click = "xdg-open 'https://google.com/search?q=weather'";
             exec =
               "${pkgs.kat-weather}/bin/kat-weather ${witch.secrets.profiles.sway.city} ${witch.secrets.profiles.sway.api_key}";
+            };
+            "custom/gpg-status" = {
+              format = "{}";
+              interval= 300;
+              exec = "${pkgs.kat-gpg-status}/bin/kat-gpg-status";
           };
           cpu = { format = "  {usage}%"; };
           #mpd = { 

profiles/sway/home/waybar/waybar.css.nix

@@ -9,7 +9,7 @@
     min-height: 14px
    }
 
-  #clock, #memory, #cpu, #temperature, #pulseaudio, #network, #mpd, #backlight, #battery, #custom-weather, #idle_inhibitor {
+  #clock, #memory, #cpu, #temperature, #pulseaudio, #network, #mpd, #backlight, #battery, #custom-weather, #custom-gpg-status, #idle_inhibitor {
     margin-left: 8px;
     margin-right: 8px;
     padding-left: 8px;
@@ -58,6 +58,7 @@
   #mpd.disconnected, #mpd.stopped { border-color: #282a36 }
   #network { border-color: ${style.base16.color3} }
   #custom-weather { border-color: ${style.base16.color14} }
+  #custom-gpg-status { border-color: ${style.base16.color2} }
   #pulseaudio { border-color: ${style.base16.color2} }
   #temperature { border-color: ${style.base16.color4} }
   #battery { border-color: ${style.base16.color6} }