From e97c0f628142aa18b0a7ab4d29cb954763f73880 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sandro=20J=C3=A4ckel?= <sandro.jaeckel@gmail.com>
Date: Tue, 9 Nov 2021 10:20:26 +0100
Subject: [PATCH] sane: remove ? null from inputs, cleanup meta

---
 pkgs/applications/graphics/sane/xsane.nix | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/pkgs/applications/graphics/sane/xsane.nix b/pkgs/applications/graphics/sane/xsane.nix
index 8febb819bb3b..007483fb5e26 100644
--- a/pkgs/applications/graphics/sane/xsane.nix
+++ b/pkgs/applications/graphics/sane/xsane.nix
@@ -7,13 +7,11 @@
 , gtk2
 , pkg-config
 , libpng
-, libusb-compat-0_1 ? null
+, libusb-compat-0_1
 , gimpSupport ? false
-, gimp ? null
+, gimp
 }:
 
-assert gimpSupport -> gimp != null;
-
 stdenv.mkDerivation rec {
   pname = "xsane";
   version = "0.999";
@@ -29,14 +27,15 @@ stdenv.mkDerivation rec {
   '';
 
   nativeBuildInputs = [ pkg-config ];
-  buildInputs = [ libpng sane-backends sane-frontends libX11 gtk2 ]
-    ++ (if libusb-compat-0_1 != null then [ libusb-compat-0_1 ] else [ ])
+
+  buildInputs = [ libpng libusb-compat-0_1 sane-backends sane-frontends libX11 gtk2 ]
     ++ lib.optional gimpSupport gimp;
 
-  meta = {
+  meta = with lib; {
     homepage = "http://www.sane-project.org/";
     description = "Graphical scanning frontend for sane";
-    license = lib.licenses.gpl2Plus;
-    platforms = with lib.platforms; linux;
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ ];
   };
 }