profiles: add printing

profiles/default.nix

@@ -6,6 +6,7 @@
     ./devices
     ./gtk
     ./laptop
+    ./printing
     ./wm
     ./x
   ];

profiles/printing/default.nix

@@ -0,0 +1,47 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.my.profiles.printing;
+in
+{
+  options.my.profiles.printing = with lib; {
+    enable = mkEnableOption "printing profile";
+
+    usb = {
+      enable = my.mkDisableOption "USB printers";
+    };
+
+    network = {
+      enable = my.mkDisableOption "network printers";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    # Setup CUPS
+    services.printing = {
+      enable = true;
+
+      # Drivers are deprecated, but just in case
+      drivers = with pkgs; [
+        gutenprint # Base set of drivers
+        brlaser # Brother drivers
+
+        # Brother MFC-L3770CDW
+        mfcl3770cdwlpr
+        mfcl3770cdwcupswrapper
+      ];
+    };
+
+    # Allow using USB printers
+    services.ipp-usb = lib.mkIf cfg.usb.enable {
+      enable = true;
+    };
+
+    # Allow using WiFi printers
+    services.avahi = lib.mkIf cfg.network.enable {
+      enable = true;
+      openFirewall = true;
+      # Allow resolution of '.local' addresses
+      nssmdns = true;
+    };
+  };
+}