nix integration

build/nix/default.nix

@@ -0,0 +1,8 @@
+{ pkgs ? import <nixpkgs> {} }:
+pkgs.mkShell {
+    name = "cairo-lang";
+    shellHook = ''
+      nix-build derivation.nix
+      PATH=$PATH:$(readlink -f ./result)/bin/
+    '';
+}

build/nix/derivation.nix

@@ -0,0 +1,46 @@
+with import <nixpkgs> {};
+#{ lib, stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "cairo-lang";
+  version = "2.0.0-rc4";
+
+  src = fetchurl {
+    url = "https://github.com/starkware-libs/cairo/archive/refs/tags/v${version}.tar.gz";
+    sha256 = "e3dd3ce3f9ab5b69c44d01b13777d92516dcd830efb6a3d2cd46915d4f03e8a9";
+  };
+
+  buildInputs = [git rustup gcc libiconv];
+
+  configurePhase = ''
+    export HOME=$(pwd)
+    rustup override set stable
+    rustup update
+  '';
+
+  buildPhase = ''
+    export HOME=$(pwd)
+    cargo build --all --release --manifest-path ./Cargo.toml
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin/
+
+    mv "./target/release/cairo-compile" $out/bin/
+    mv "./target/release/cairo-format" $out/bin/
+    mv "./target/release/cairo-language-server" $out/bin/
+    mv "./target/release/cairo-run" $out/bin/
+    mv "./target/release/cairo-test" $out/bin/
+    mv "./target/release/sierra-compile" $out/bin/
+    mv "./target/release/starknet-compile" $out/bin/
+    mv "./target/release/starknet-sierra-compile" $out/bin/
+  '';
+
+  meta = with lib; {
+    description = "Cairo language instalation";
+    homepage = "https://cairo-by-example.com/";
+    sourceProvenance = with sourceTypes; [ fromSource ];
+    license = licenses.mit;
+    maintainers = with maintainers; [ samoht9277 ];
+  };
+}