libinput: format, cleanup

1 files changed, 11 insertions, 16 deletions

diff --git a/pkgs/development/libraries/libinput/default.nix b/pkgs/development/libraries/libinput/default.nix
index 8f1511de33049..63391aa1d73b6 100644
--- a/pkgs/development/libraries/libinput/default.nix
+++ b/pkgs/development/libraries/libinput/default.nix
@@ -1,14 +1,10 @@
 { lib, stdenv, fetchFromGitLab, pkg-config, meson, ninja
 , libevdev, mtdev, udev, libwacom
-, documentationSupport ? false, doxygen ? null, graphviz ? null # Documentation
-, eventGUISupport ? false, cairo ? null, glib ? null, gtk3 ? null # GUI event viewer support
-, testsSupport ? false, check ? null, valgrind ? null, python3 ? null
+, documentationSupport ? false, doxygen, graphviz # Documentation
+, eventGUISupport ? false, cairo, glib, gtk3 # GUI event viewer support
+, testsSupport ? false, check, valgrind, python3
 }:
 
-assert documentationSupport -> doxygen != null && graphviz != null && python3 != null;
-assert eventGUISupport -> cairo != null && glib != null && gtk3 != null;
-assert testsSupport -> check != null && valgrind != null && python3 != null;
-
 let
   mkFlag = optSet: flag: "-D${flag}=${lib.boolToString optSet}";
 
@@ -24,7 +20,6 @@ let
   else null;
 in
 
-with lib;
 stdenv.mkDerivation rec {
   pname = "libinput";
   version = "1.16.4";
@@ -48,7 +43,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [ pkg-config meson ninja ]
-    ++ optionals documentationSupport [ doxygen graphviz sphinx-build ];
+    ++ lib.optionals documentationSupport [ doxygen graphviz sphinx-build ];
 
   buildInputs = [
     libevdev
@@ -60,8 +55,7 @@ stdenv.mkDerivation rec {
       pyyaml
       setuptools
     ]))
-  ]
-    ++ optionals eventGUISupport [ cairo glib gtk3 ];
+  ] ++ lib.optionals eventGUISupport [ cairo glib gtk3 ];
 
   checkInputs = [
     check
@@ -73,15 +67,16 @@ stdenv.mkDerivation rec {
   patches = [ ./udev-absolute-path.patch ];
 
   postPatch = ''
-    patchShebangs tools/helper-copy-and-exec-from-tmp.sh
-    patchShebangs test/symbols-leak-test
-    patchShebangs test/check-leftover-udev-rules.sh
-    patchShebangs test/helper-copy-and-exec-from-tmp.sh
+    patchShebangs \
+      tools/helper-copy-and-exec-from-tmp.sh \
+      test/symbols-leak-test \
+      test/check-leftover-udev-rules.sh \
+      test/helper-copy-and-exec-from-tmp.sh
   '';
 
   doCheck = testsSupport && stdenv.hostPlatform == stdenv.buildPlatform;
 
-  meta = {
+  meta = with lib; {
     description = "Handles input devices in Wayland compositors and provides a generic X.Org input driver";
     homepage    = "https://www.freedesktop.org/wiki/Software/libinput/";
     license     = licenses.mit;