mate.caja-with-extensions: Reimplement using lndir

This installs missing desktop files and icons and allows dropping
the caja-extensions hardcode gsettings patch.

pkgs/desktops/mate/caja-with-extensions/default.nix

···
-{ stdenv
-, lib
-, makeWrapper
-, caja-extensions
-, caja
-, extensions ? [ caja-extensions ]
-, mateUpdateScript
-}:
-
-stdenv.mkDerivation {
-  pname = "${caja.pname}-with-extensions";
-  version = caja.version;
-
-  dontUnpack = true;
-
-  nativeBuildInputs = [
-    makeWrapper
-  ];
-
-  inherit caja;
-
-  installPhase = ''
-    mkdir -p $out/bin
-    makeWrapper $caja/bin/caja $out/bin/caja \
-    --set CAJA_EXTENSION_DIRS ${lib.concatMapStringsSep ":" (x: "${x.outPath}/lib/caja/extensions-2.0") extensions}
-  '';
-
-  inherit (caja.meta);
-}

pkgs/desktops/mate/caja/with-extensions.nix

···
+{ stdenv
+, lib
+, glib
+, wrapGAppsHook
+, xorg
+, caja
+, cajaExtensions
+, extensions ? [ ]
+, useDefaultExtensions ? true
+}:
+
+let
+  selectedExtensions = extensions ++ (lib.optionals useDefaultExtensions cajaExtensions);
+in
+stdenv.mkDerivation {
+  pname = "${caja.pname}-with-extensions";
+  version = caja.version;
+
+  src = null;
+
+  nativeBuildInputs = [
+    glib
+    wrapGAppsHook
+  ];
+
+  buildInputs = lib.forEach selectedExtensions (x: x.buildInputs) ++ selectedExtensions
+    ++ [ caja ] ++ caja.buildInputs;
+
+  dontUnpack = true;
+  dontConfigure = true;
+  dontBuild = true;
+
+  preferLocalBuild = true;
+  allowSubstitutes = false;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out
+    ${xorg.lndir}/bin/lndir -silent ${caja} $out
+
+    dbus_service_path="share/dbus-1/services/org.mate.freedesktop.FileManager1.service"
+    rm -f $out/share/applications/* "$out/$dbus_service_path"
+    for file in ${caja}/share/applications/*; do
+      substitute "$file" "$out/share/applications/$(basename $file)" \
+        --replace-fail "${caja}" "$out"
+    done
+    substitute "${caja}/$dbus_service_path" "$out/$dbus_service_path" \
+      --replace-fail "${caja}" "$out"
+
+    runHook postInstall
+  '';
+
+  preFixup = lib.optionalString (selectedExtensions != [ ]) ''
+    gappsWrapperArgs+=(
+      --set CAJA_EXTENSION_DIRS ${lib.concatMapStringsSep ":" (x: "${x.outPath}/lib/caja/extensions-2.0") selectedExtensions}
+    )
+  '';
+
+  inherit (caja.meta);
+}

pkgs/desktops/mate/default.nix

···
     caja = callPackage ./caja { };
     caja-dropbox = callPackage ./caja-dropbox { };
     caja-extensions = callPackage ./caja-extensions { };
-    caja-with-extensions = callPackage ./caja-with-extensions { };
+    caja-with-extensions = callPackage ./caja/with-extensions.nix { };
     engrampa = callPackage ./engrampa { };
     eom = callPackage ./eom { };
     libmatekbd = callPackage ./libmatekbd { };
···
       pluma
     ];
 
+    cajaExtensions = [
+      caja-extensions
+    ];
   };
 
 in lib.makeScope pkgs.newScope packages