initial commit

modules/specific_hardware/scan_and_print.nix

@@ -0,0 +1,26 @@
+{ pkgs, ... }:
+{
+  hardware.sane.enable = true; # enables support for SANE scanners
+  services.ipp-usb.enable=true; # enable usb support
+
+  hardware.sane.backends-package = pkgs.sane-backends.overrideAttrs (old: {
+    configureFlags = (old.configureFlags or []) ++ [
+      # "--localstatedir=/var" # `sane-backends` puts e.g. lock files in here, must not be in /nix/store
+      # "--with-lockdir=/var/lock/sane" # `sane-backends` puts e.g. lock files in here, must not be in /nix/store
+
+      # Ugly workaround for https://github.com/NixOS/nixpkgs/issues/273280#issuecomment-1848873028
+      # Really we should make `sane-backends` be able to provide a real lock dir (e.g. `/var/lock/sane`).
+      "--disable-locking"
+    ];
+  });
+
+  users.users.ranomier.extraGroups = [ "scanner" "lp" ];
+
+  # only for the scan and maybe print clients
+  environment.systemPackages = with pkgs; [
+    simple-scan
+  ];
+
+  # Enable CUPS to print documents.
+  services.printing.enable = true;
+}