vice: add desktop items for all computer model emulators

pkgs/applications/emulators/vice/default.nix

@@ -23,6 +23,108 @@
 , file
 }:
 
+let
+  desktopItems = [
+    (makeDesktopItem {
+      name = "x128";
+      exec = "x128";
+      comment = "VICE: C128 Emulator";
+      desktopName = "VICE: C128 Emulator";
+      genericName = "Commodore 128 emulator";
+      categories = [ "System" ];
+    })
+
+    (makeDesktopItem {
+      name = "x64";
+      exec = "x64";
+      comment = "VICE: C64 Emulator";
+      desktopName = "VICE: C64 Emulator";
+      genericName = "Commodore 64 emulator";
+      categories = [ "System" ];
+    })
+
+    (makeDesktopItem {
+      name = "x64dtv";
+      exec = "x64dtv";
+      comment = "VICE: C64 DTV Emulator";
+      desktopName = "VICE: C64 DTV Emulator";
+      genericName = "Commodore 64 DTV emulator";
+      categories = [ "System" ];
+    })
+
+    (makeDesktopItem {
+      name = "x64sc";
+      exec = "x64sc";
+      comment = "VICE: C64 SC Emulator";
+      desktopName = "VICE: C64 SC Emulator";
+      genericName = "Commodore 64 SC emulator";
+      categories = [ "System" ];
+    })
+
+    (makeDesktopItem {
+      name = "xcbm2";
+      exec = "xcbm2";
+      comment = "VICE: CBM-II B-Model Emulator";
+      desktopName = "VICE: CBM-II B-Model Emulator";
+      genericName = "CBM-II B-Model Emulator";
+      categories = [ "System" ];
+    })
+
+    (makeDesktopItem {
+      name = "xcbm5x0";
+      exec = "xcbm5x0";
+      comment = "VICE: CBM-II P-Model Emulator";
+      desktopName = "VICE: CBM-II P-Model Emulator";
+      genericName = "CBM-II P-Model Emulator";
+      categories = [ "System" ];
+    })
+
+    (makeDesktopItem {
+      name = "xpet";
+      exec = "xpet";
+      comment = "VICE: PET Emulator";
+      desktopName = "VICE: PET Emulator";
+      genericName = "Commodore PET Emulator";
+      categories = [ "System" ];
+    })
+
+    (makeDesktopItem {
+      name = "xplus4";
+      exec = "xplus4";
+      comment = "VICE: PLUS4 Emulator";
+      desktopName = "VICE: PLUS4 Emulator";
+      genericName = "Commodore PLUS4 Emulator";
+      categories = [ "System" ];
+    })
+
+    (makeDesktopItem {
+      name = "xscpu64";
+      exec = "xscpu64";
+      comment = "VICE: SCPU64 Emulator";
+      desktopName = "VICE: SCPU64 Emulator";
+      genericName = "Commodore SCPU64 Emulator";
+      categories = [ "System" ];
+    })
+
+    (makeDesktopItem {
+      name = "xvic";
+      exec = "xvic";
+      comment = "VICE: VIC-20 Emulator";
+      desktopName = "VICE: VIC-20 Emulator";
+      genericName = "Commodore VIC-20 Emulator";
+      categories = [ "System" ];
+    })
+
+    (makeDesktopItem {
+      name = "vsid";
+      exec = "vsid";
+      comment = "VSID: The SID Emulator";
+      desktopName = "VSID: The SID Emulator";
+      genericName = "SID Emulator";
+      categories = [ "System" ];
+    })
+  ];
+in
 stdenv.mkDerivation rec {
   pname = "vice";
   version = "3.6.1";
@@ -59,15 +161,6 @@ stdenv.mkDerivation rec {
   dontDisableStatic = true;
   configureFlags = [ "--enable-fullscreen" "--enable-gnomeui" "--disable-pdf-docs" ];
 
-  desktopItem = makeDesktopItem {
-    name = "vice";
-    exec = "x64";
-    comment = "Commodore 64 emulator";
-    desktopName = "VICE";
-    genericName = "Commodore 64 emulator";
-    categories = [ "Emulator" ];
-  };
-
   preBuild = ''
     for i in src/resid src/resid-dtv
     do
@@ -77,12 +170,15 @@ stdenv.mkDerivation rec {
   '';
 
   postInstall = ''
-    mkdir -p $out/share/applications
-    cp ${desktopItem}/share/applications/* $out/share/applications
+    for app in ${toString desktopItems}
+    do
+        mkdir -p $out/share/applications
+        cp $app/share/applications/* $out/share/applications
+    done
   '';
 
   meta = {
-    description = "Commodore 64, 128 and other emulators";
+    description = "Emulators for a variety of 8-bit Commodore computers";
     homepage = "https://vice-emu.sourceforge.io/";
     license = lib.licenses.gpl2Plus;
     maintainers = [ lib.maintainers.sander ];