it works!

home/cli-office/default.nix

@@ -0,0 +1,48 @@
+{ config, pkgs, lib, ... }:
+
+{
+  imports = [
+    ./khard-dump.nix
+  ];
+
+  home.packages = with pkgs; [
+    castget
+    drawing
+    feh
+    ghostscript
+    ghostscript
+    hunspell
+    hunspellDicts.de_DE
+    hunspellDicts.en_US
+    hunspellDicts.th_TH
+    hyphen
+    hyphenDicts.de_DE
+    hyphenDicts.en_US
+    imagemagick
+    imagemagick
+    khal
+    khard
+    msmtp
+    notmuch
+    openssl
+    pandoc
+    pdftk
+    ripmime
+    taskopen
+    urlscan
+    w3m
+    zathura
+  ];
+
+  programs.neovim.plugins = with pkgs.vimPlugins; [ lazy-nvim ];
+
+  xdg.configFile."nvim/lua/woof-vim.lua".text = ''
+    return {
+      "woof-vim",
+      name = "woof-vim",
+      dev = {
+        path = "~/devel"
+      }
+    }
+  '';
+}

home/cli-office/khard-dump.nix

@@ -0,0 +1,29 @@
+{ config, pkgs, ... }:
+
+{
+  systemd.user.timers = {
+    khard-dump = {
+      Unit = {
+        Description = "Timer to run khard-dump service";
+      };
+      Timer = {
+        OnCalendar = "*:00/10";
+        Unit = "khard-dump.service";
+      };
+    };
+  };
+
+  systemd.user.services = {
+    khard-dump = {
+      Unit = {
+        Description = "Dumps contact info to custom cache file";
+      };
+      Service = {
+        ExecStart = "${pkgs.writeScript "khard-dump" ''
+          #! ${pkgs.stdenv.shell}
+          ${pkgs.khard.outPath}/bin/khard email --parsable --remove-first-line | awk 'BEGIN{FS=OFS="\t"}{print $2, $1}\' > ${config.xdg.cacheHome}/khard-dump
+        ''}";
+      };
+    };
+  };
+}