chore: oxi programs to be compiled

nix/fix/oxicalc.nix

@@ -0,0 +1,46 @@
+{ pkgs
+, lib
+, fetchFromGitHub
+}:
+let
+  toolchain = pkgs.rust-bin.selectLatestNightlyWith (toolchain: toolchain.minimal);
+  rustPlatform = pkgs.makeRustPlatform {
+    cargo = toolchain;
+    rustc = toolchain;
+  };
+in
+rustPlatform.buildRustPackage rec {
+  pname = "oxicalc";
+  version = "0.2.4";
+
+  src = fetchFromGitHub {
+    owner = "DashieTM";
+    repo = "OxiCalc";
+    rev = "${version}";
+    hash = "sha256-7qrnA0jnLg2mckpxCe66+axU3jE6nOBu7HefmP8I2Xc=";
+  };
+
+  cargoHash = "sha256-nxLXT9SVorsgj7qzwX8Ipx8SDvyTYMAcpepTg62QL7o=";
+
+  nativeBuildInputs = with pkgs;[ pkg-config ];
+
+  buildInputs = with pkgs;[
+    gtk4
+    libadwaita
+  ];
+
+
+  postInstall = ''
+    	install -D --mode=444 $src/${pname}.desktop $out/share/applications/${pname}.desktop
+    	install -D --mode=444 $src/${pname}.svg $out/share/pixmaps/${pname}.svg
+  '';
+
+  meta = with lib; {
+    description = "A small, simple calculator written in rust/gtk4";
+    homepage = "https://github.com/DashieTM/OxiCalc";
+    changelog = "https://github.com/DashieTM/OxiCalc/releases/tag/${version}";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ DashieTM ];
+    mainProgram = "oxicalc";
+  };
+}