setup package repo

.gitignore

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+result
+result-*

default.nix

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+{ system ? builtins.currentSystem }:
+
+let
+  pkgs = import <nixpkgs> { inherit system; };
+
+  callPackage = pkgs.lib.callPackageWith (pkgs // self);
+
+  self = { MoonPlus = callPackage ./pkgs/moonplus { }; };
+in self

pkgs/moonplus/builder.sh

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+#!/bin/sh
+
+set -e
+source $stdenv/setup
+genericBuild

pkgs/moonplus/default.nix

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+{ pkgs ? import <nixpkgs> { } }:
+with pkgs;
+let
+  repo = fetchFromGitHub {
+    owner = "pigpigyyy";
+    repo = "MoonPlus";
+    rev = "57191ed45bb7bd0ffcd917f00df2e940c900fb3c";
+    sha256 = "0scbi3d83g7yr51gnxasz2h924wyhbfq3c4a7c7sb0rrzb7m8ln7";
+  };
+
+  defaultAttrs = {
+    builder = ./builder.sh;
+    baseInputs = [];
+    src = repo;
+    version = "HEAD-57191ed4";
+    name = "MoonPlus";
+    system = builtins.currentSystem;
+
+    installPhase = ''
+      ls
+      install -D bin/release/moonc $out/bin/moonc
+    '';
+  };
+
+in stdenv.mkDerivation defaultAttrs