xborders: add requested changes

modules/xborders/xborders.nix

@@ -3,18 +3,34 @@
 with pkgs; callPackage python3Packages.buildPythonPackage rec {
   pname = "xborders";
   version = "3.4"; # in version.txt
+
   src = fetchFromGitHub {
     owner = "deter0";
     repo = "xborder";
     rev = "d840ed649e92b7ad399cdb1a30aeca7d09f2c08f";
     sha256 = "sha256-Q2WWXekUL/OOr/OBqJOZbAHaWURbP+coBVp206uPSNY=";
   };
-  buildInputs = [ libwnck gtk3 libnotify ];
-  nativeBuildInputs = [ wrapGAppsHook gobject-introspection ];
-  propagatedBuildInputs = with python3Packages; [ pycairo requests pygobject3 ];
+
+  buildInputs = [
+    libwnck
+    gtk3
+    libnotify
+  ];
+
+  nativeBuildInputs = [
+    wrapGAppsHook
+    gobject-introspection
+  ];
+
+  propagatedBuildInputs = with python3Packages; [
+    pycairo
+    requests
+    pygobject3
+  ];
+
   preBuild = ''
-    sed '52,58!d' ${pname}
-    sed -i '51 a\    return ${version}' ${pname}
+    sed '52,58!d' xborders
+    sed -i '51 a\    return ${version}' xborders
     cat >setup.py <<'EOF'
     from setuptools import setup
     setup(
@@ -24,11 +40,12 @@ with pkgs; callPackage python3Packages.buildPythonPackage rec {
       description='${meta.description}',
       install_requires=['pycairo', 'requests', 'PyGObject'],
       scripts=[
-        '${pname}',
+        'xborders',
       ],
     )
     EOF
   '';
+
   meta = with lib; {
     description = "Active window border replacement for window managers.";
     homepage = "https://github.com/deter0/xborder";