komashi: fix up cellular and misc config~

nixos/hosts/komashi/cellular.nix

@@ -6,6 +6,7 @@
 {
   pkgs,
   deprekages,
+  config,
   ...
 }:
 {
@@ -135,6 +136,28 @@
       # Let anyone execute this.
       mode = "555";
     };
+
+    # Work properly with KPN's 4-over-6 IP-wonk.
+    services.clatd = {
+      enable = true;
+      settings = {
+        ip6tables-enable = true;
+        v4-conncheck-delay = 1;
+      };
+    };
+    networking.networkmanager.dispatcherScripts = [{
+      source = pkgs.writeShellScript "magic" ''
+        if [[ "$DEVICE_IFACE" == wwan* ]]; then
+          if [[ "$NM_DISPATCHER_ACTION" == "up" ]]; then
+            printf '[Service]\nExecStart=\nExecStart=${config.systemd.services.clatd.serviceConfig.ExecStart} dns64-servers=%s' "$(printf "%s" "$IP6_NAMESERVERS" | ${pkgs.coreutils}/bin/tr ' ' ',')" | ${pkgs.systemd}/bin/systemctl edit --stdin clatd.service --runtime
+            ${pkgs.systemd}/bin/systemctl restart clatd
+          fi
+          if [[ "$NM_DISPATCHER_ACTION" == "down" ]]; then
+            ${pkgs.systemd}/bin/systemctl restart clatd
+          fi
+        fi
+      '';
+    }];
   };
 
 }

wezterm/wezterm.lua

@@ -213,6 +213,7 @@ font_overrides = {
 	trailblazer = 11,
 	kanbaru = 12,
 	aigis = 12;
+	komashi = 12;
 }
 
 if font_overrides[hostname] ~= nil then