initial commit

package.nix

@@ -0,0 +1,25 @@
+{ appimageTools, fetchurl }:
+
+let
+  pname = "altersend";
+  version = "2.0.0";
+
+  src = fetchurl {
+    url = "https://github.com/denislupookov/altersend/releases/download/v2.0.0/AlterSend-x86_64.AppImage";
+    hash = "sha256-dMsFocrGSXZ8CVN6pFdGeRTApHpvwhSRW3jA6Rp6Pdo=";
+  };
+
+  # Unpack the AppImage so we can grab its .desktop file and icon
+  extracted = appimageTools.extract { inherit pname version src; };
+in
+appimageTools.wrapType2 {
+  inherit pname version src;
+
+  extraInstallCommands = ''
+    install -Dm444 ${extracted}/*.desktop -t $out/share/applications
+    install -Dm444 ${extracted}/usr/share/icons/hicolor/256x256@2/apps/*.png \
+      -t $out/share/icons/hicolor/256x256/apps || true
+    substituteInPlace $out/share/applications/*.desktop \
+      --replace-quiet 'Exec=AppRun' 'Exec=${pname}'
+  '';
+}