1 files changed, 43 insertions, 0 deletions
diff --git a/nixos/modules/services/hardware/sane.nix b/nixos/modules/services/hardware/sane.nix
new file mode 100644
index 000000000000..5979feb82409
--- /dev/null
+++ b/nixos/modules/services/hardware/sane.nix
@@ -0,0 +1,43 @@
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+let
+
+  pkg = if config.hardware.sane.snapshot then pkgs.saneBackendsGit else pkgs.saneBackends;
+
+in
+
+{
+
+  ###### interface
+
+  options = {
+
+    hardware.sane.enable = mkOption {
+      type = types.bool;
+      default = false;
+      description = "Enable support for SANE scanners.";
+    };
+
+    hardware.sane.snapshot = mkOption {
+      type = types.bool;
+      default = false;
+      description = "Use a development snapshot of SANE scanner drivers.";
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf config.hardware.sane.enable {
+
+    environment.systemPackages = [ pkg ];
+    services.udev.packages = [ pkg ];
+
+    users.extraGroups."scanner".gid = config.ids.gids.scanner;
+
+  };
+
+}