🎉 (haxe-nix/) Add new example

haxe-nix/build.hxml

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+--class-path src
+-main hello.Main
+--cpp out

haxe-nix/deps.nix

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+#  Copyright (c) 2003-2024 Eelco Dolstra and the Nixpkgs/NixOS contributors
+#
+#  Permission is hereby granted, free of charge, to any person obtaining
+#  a copy of this software and associated documentation files (the
+#  "Software"), to deal in the Software without restriction, including
+#  without limitation the rights to use, copy, modify, merge, publish,
+#  distribute, sublicense, and/or sell copies of the Software, and to
+#  permit persons to whom the Software is furnished to do so, subject to
+#  the following conditions:
+#
+#  The above copyright notice and this permission notice shall be
+#  included in all copies or substantial portions of the Software.
+#
+#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+#  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+#  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+#  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+#  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+#  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+#  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+{ pkgs, haxe-support }:
+let
+  lib = pkgs.lib;
+
+  withCommas = lib.replaceStrings [ "." ] [ "," ];
+  stdenv = pkgs.stdenv;
+
+  # local-lib = pkgs.callPackage ./lib.nix { inherit pkgs; };
+  # buildHaxeLib = local-lib.buildHaxeLib;
+  buildHaxeLib = haxe-support.buildHaxeLib;
+in {
+  # inherit local-lib;
+
+  hxcpp = buildHaxeLib rec {
+    libname = "hxcpp";
+    version = "4.3.2";
+    sha256 = "sha256-mm0JObjNgi9JSLRv7IUAZeMUFV2f8+7OG8FhRWtNlqQ=";
+    postFixup = ''
+      for f in $out/lib/haxe/${withCommas libname}/${withCommas version}/{,project/libs/nekoapi/}bin/Linux{,64}/*; do
+        chmod +w "$f"
+        patchelf --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker)   "$f" || true
+        patchelf --set-rpath ${ lib.makeLibraryPath [ stdenv.cc.cc ] }  "$f" || true
+      done
+    '';
+    meta.description = "Runtime support library for the Haxe C++ backend";
+  };
+}

haxe-nix/flake.nix

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+{
+  description = "A basic flake to with flake-parts";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixpkgs-unstable";
+    treefmt-nix.url = "github:numtide/treefmt-nix";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    systems.url = "github:nix-systems/default";
+    haxe-support.url = "github:comamoca/nix-haxe-support";
+  };
+
+  outputs =
+    inputs@{
+      self,
+      systems,
+      nixpkgs,
+      treefmt-nix,
+      flake-parts,
+      haxe-support,
+    }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
+      imports = [ treefmt-nix.flakeModule ];
+      systems = import inputs.systems;
+
+      perSystem =
+        {
+          config,
+          pkgs,
+          system,
+          ...
+        }:
+        let
+          stdenv = pkgs.stdenv;
+
+	  deps = pkgs.callPackage ./deps.nix { inherit haxe-support; };
+
+          executable = stdenv.mkDerivation rec {
+            pname = "hello";
+            version = "0.1.0";
+            src = ./.;
+
+	    nativeBuildInputs = with pkgs.haxePackages; [
+	      deps.hxcpp
+	    ];
+
+	    buildInputs = with pkgs; [
+	      haxe
+	    ];
+
+            buildPhase = ''
+	      haxe build.hxml
+	    '';
+
+            installPhase = ''
+	      install -D ./out/Main $out/bin/${pname}
+	    '';
+          };
+        in
+        rec {
+          treefmt = {
+            projectRootFile = "flake.nix";
+            programs = {
+              nixfmt.enable = true;
+            };
+
+            settings.formatter = { };
+          };
+
+          devShells.default = pkgs.mkShell {
+            packages = with pkgs; [
+	      haxe
+	      deps.hxcpp
+
+              nil
+            ];
+          };
+
+          packages.default = executable;
+        };
+    };
+}