treewide: Get rid of most parseDrvName without breaking compat

That is because this commit should be merged to both master and
release-19.09.

pkgs/applications/misc/sweethome3d/editors.nix

@@ -7,20 +7,17 @@ let
     m: "sweethome3d-"
     + removeSuffix "libraryeditor" (toLower m)
     + "-editor";
-  sweetName = m: v: sweetExec m + "-" + v;
-
-  getDesktopFileName = drvName: (builtins.parseDrvName drvName).name;
 
   mkEditorProject =
-  { name, module, version, src, license, description, desktopName }:
+  { pname, module, version, src, license, description, desktopName }:
 
   stdenv.mkDerivation rec {
     application = sweethome3dApp;
-    inherit name module version src description;
+    inherit pname module version src description;
     exec = sweetExec module;
     editorItem = makeDesktopItem {
       inherit exec desktopName;
-      name = getDesktopFileName name;
+      name = pname;
       comment =  description;
       genericName = "Computer Aided (Interior) Design";
       categories = "Application;Graphics;2DGraphics;3DGraphics;";
@@ -66,7 +63,7 @@ in {
   textures-editor = mkEditorProject rec {
     version = "1.5";
     module = "TexturesLibraryEditor";
-    name = sweetName module version;
+    pname = module;
     description = "Easily create SH3T files and edit the properties of the texture images it contain";
     license = stdenv.lib.licenses.gpl2Plus;
     src = fetchcvs {
@@ -81,7 +78,7 @@ in {
   furniture-editor = mkEditorProject rec {
     version = "1.19";
     module = "FurnitureLibraryEditor";
-    name = sweetName module version;
+    pname = module;
     description = "Quickly create SH3F files and edit the properties of the 3D models it contain";
     license = stdenv.lib.licenses.gpl2;
     src = fetchcvs {