From 6065b4dcf9c084dcea6b317ca3e186d14ad9f26e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mustafa=20=C3=87al=C4=B1=C5=9Fkan?= <muscaln@protonmail.com>
Date: Sat, 8 Jan 2022 23:06:56 +0300
Subject: [PATCH] nix: revert overlay changes and add conditionals to
 derivation for flake build

---
 flake.nix                       |  5 ++---
 packages/nix/overlay.nix        |  8 +-------
 packages/nix/polymc/default.nix | 22 +++++++++++++++-------
 3 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/flake.nix b/flake.nix
index aa2c2cb5c..2ef65c649 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,14 +21,13 @@
         packages = {
           polymc = pkgs.libsForQt5.callPackage ./packages/nix/polymc {
             inherit self;
+            isFlakeBuild = true;
             submoduleQuazip = quazip;
             submoduleNbt = libnbtplusplus;
           };
         };
 
-        overlay = import ./packages/nix/overlay.nix {
-          inherit self quazip libnbtplusplus;
-        };
+        overlay = import ./packages/nix/overlay.nix {};
 
         apps = {
           polymc = flake-utils.lib.mkApp {
diff --git a/packages/nix/overlay.nix b/packages/nix/overlay.nix
index a65c23e05..6fa701b39 100644
--- a/packages/nix/overlay.nix
+++ b/packages/nix/overlay.nix
@@ -1,9 +1,3 @@
-{ self, quazip, libnbtplusplus }:
-
 final: prev: rec {
-  polymc = prev.libsForQt5.callPackage ./polymc {
-    inherit self;
-    submoduleQuazip = quazip;
-    submoduleNbt = libnbtplusplus;
-  };
+  polymc = prev.libsForQt5.callPackage ./polymc {};
 }
diff --git a/packages/nix/polymc/default.nix b/packages/nix/polymc/default.nix
index 340c1ae57..c55c8a3c9 100644
--- a/packages/nix/polymc/default.nix
+++ b/packages/nix/polymc/default.nix
@@ -15,9 +15,10 @@
 , qtbase
 , libGL
 # submodules
-, self
-, submoduleNbt
-, submoduleQuazip
+, isFlakeBuild ? false
+, self ? ""
+, submoduleNbt ? ""
+, submoduleQuazip ? ""
 }:
 
 let
@@ -34,19 +35,26 @@ in
 
 mkDerivation rec {
   pname = "polymc";
-  version = "nightly";
+  version = if isFlakeBuild then "nightly" else "1.0.4";
 
-  src = lib.cleanSource self;
+  src = if isFlakeBuild then lib.cleanSource self
+    else fetchFromGitHub {
+    owner = "PolyMC";
+    repo = "PolyMC";
+    rev = "${version}";
+    sha256 = "sha256-8aya0KfV9F+i2qBpweWcR9hwyTSQkqn2wHdtkCEeNvk=";
+    fetchSubmodules = true;
+  };
 
   nativeBuildInputs = [ cmake file makeWrapper ];
   buildInputs = [ qtbase jdk8 zlib ];
 
-  postUnpack = ''
+  postUnpack = if isFlakeBuild then ''
     mkdir source/libraries/{libnbtplusplus,quazip}
     cp -a ${submoduleNbt}/* source/libraries/libnbtplusplus
     cp -a ${submoduleQuazip}/* source/libraries/quazip
     chmod a+r+w source/libraries/{libnbtplusplus,quazip}/*
-  '';
+  '' else "";
 
   cmakeFlags = [
     "-DLauncher_LAYOUT=lin-system"