{nix,flake}: add submodules

flake.lock

@@ -15,6 +15,22 @@
         "type": "github"
       }
     },
+    "libnbtplusplus": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1591558203,
+        "narHash": "sha256-QgvNvaoFflCXEPCCFBCeZvYTpuiwScBG7EosUgFwFNQ=",
+        "owner": "multimc",
+        "repo": "libnbtplusplus",
+        "rev": "dc72a20b7efd304d12af2025223fad07b4b78464",
+        "type": "github"
+      },
+      "original": {
+        "owner": "multimc",
+        "repo": "libnbtplusplus",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1641528457,
@@ -31,10 +47,28 @@
         "type": "github"
       }
     },
+    "quazip": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1633895098,
+        "narHash": "sha256-+Of0M2IAoTf1CyC0teCpsyurv6xfqiBo84V49dSeNTA=",
+        "owner": "multimc",
+        "repo": "quazip",
+        "rev": "b1a72ac0bb5a732bf887a535ab75c6f9bedb6b6b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "multimc",
+        "repo": "quazip",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "libnbtplusplus": "libnbtplusplus",
+        "nixpkgs": "nixpkgs",
+        "quazip": "quazip"
       }
     }
   },

flake.nix

@@ -2,8 +2,16 @@
   description = "PolyMC flake";
   inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
   inputs.flake-utils.url = "github:numtide/flake-utils";
+  inputs.libnbtplusplus = {
+    url = "github:multimc/libnbtplusplus";
+    flake = false;
+  };
+  inputs.quazip = {
+    url = "github:multimc/quazip";
+    flake = false;
+  };
 
-  outputs = inputs@{ self, nixpkgs, flake-utils,... }:
+  outputs = inputs@{ self, nixpkgs, flake-utils, libnbtplusplus, quazip, ... }:
     flake-utils.lib.eachSystem [ "x86_64-linux" "aarch64-linux" ] (system:
       let
         pkgs = import nixpkgs {
@@ -11,7 +19,15 @@
         };
  
         packages = {
-          polymc = pkgs.libsForQt5.callPackage ./packages/nix/polymc { inherit self; };
+          polymc = pkgs.libsForQt5.callPackage ./packages/nix/polymc {
+            inherit self;
+            submoduleQuazip = quazip;
+            submoduleNbt = libnbtplusplus;
+          };
+        };
+
+        overlay = import ./packages/nix/overlay.nix {
+          inherit self quazip libnbtplusplus;
         };
 
         apps = {
@@ -22,11 +38,9 @@
         };
       in
       {
-        inherit packages apps;
-
+        inherit packages overlay apps;
         defaultPackage = packages.polymc;
         defaultApp = apps.polymc;
-        overlay = import ./packages/nix/overlay.nix { inherit self; };
       }
     );
 }

packages/nix/overlay.nix

@@ -1,5 +1,9 @@
-{ self }:
+{ self, quazip, libnbtplusplus }:
 
 final: prev: rec {
-  polymc = prev.libsForQt5.callPackage ./polymc { inherit self; };
+  polymc = prev.libsForQt5.callPackage ./polymc {
+    inherit self;
+    submoduleQuazip = quazip;
+    submoduleNbt = libnbtplusplus;
+  };
 }

packages/nix/polymc/default.nix

@@ -14,7 +14,10 @@
 , libpulseaudio
 , qtbase
 , libGL
+# submodules
 , self
+, submoduleNbt
+, submoduleQuazip
 , msaClientID ? ""
 }:
 
@@ -39,6 +42,12 @@ mkDerivation rec {
   nativeBuildInputs = [ cmake file makeWrapper ];
   buildInputs = [ qtbase jdk8 zlib ];
 
+  postUnpack = ''
+    mkdir libraries/{libnbtplusplus,quazip}
+    cp -a ${submoduleNbt}/* libraries/libnbtplusplus
+    cp -a ${submoduleQuazip}/* libraries/quazip
+  '';
+  
   postPatch = ''
     # add client ID
     substituteInPlace notsecrets/Secrets.cpp \