odin(sdl-opengl-rendering): basic line rendering

odin/sdl-opengl-rendering/flake.nix

@@ -2,74 +2,42 @@
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
+
+    odin.url = "github:starlitcanopy/odin";
+    odin.inputs.nixpkgs.follows = "nixpkgs";
+    odin.inputs.flake-utils.follows = "flake-utils";
+
+    ols.url = "github:starlitcanopy/ols";
+    ols.inputs.nixpkgs.follows = "nixpkgs";
+    ols.inputs.flake-utils.follows = "flake-utils";
+    ols.inputs.odin.follows = "odin";
   };
 
   outputs =
     inputs:
-    {
-      overlays.default = final: prev: {
-        # {{{ Odin
-        odin = prev.odin.overrideAttrs (_: {
-          version = "unstable-2025-03-28";
-          src = final.fetchFromGitHub {
-            owner = "starlitcanopy";
-            repo = "Odin";
-            rev = "a1fc243f8df8b510e6de4f5e115fbfc09371cb9d";
-            sha256 = "0fb8lk47nb7ln0skjn3lyfi499q3wlnzp6w3qc4wf4s5zj43d6zh";
-          };
-        });
-        # }}}
-        # {{{ OLS
-        ols = prev.ols.overrideAttrs (_: {
-          version = "unstable-2025-03-12";
-          src = final.fetchFromGitHub {
-            owner = "DanielGavin";
-            repo = "ols";
-            rev = "1e44e3d78ad8a74ef09c7f54a6f6d3f7df517f8e";
-            sha256 = "16f7b8ijcaj5m2bdgbbl1q1mzgpgzzazrap2g17hkgy63aqq8qmf";
-          };
-
-          installPhase = ''
-            runHook preInstall
-
-            install -Dm755 ols odinfmt -t $out/bin/
-            cp      -r     builtin        $out/bin/
-            wrapProgram $out/bin/ols --set-default ODIN_ROOT ${final.odin}/share
-
-            runHook postInstall
-          '';
-        });
-        # }}}
-      };
-    }
-    // inputs.flake-utils.lib.eachSystem (with inputs.flake-utils.lib.system; [ x86_64-linux ]) (
+    inputs.flake-utils.lib.eachSystem (with inputs.flake-utils.lib.system; [ x86_64-linux ]) (
       system:
       let
-        pkgs = inputs.nixpkgs.legacyPackages.${system}.extend inputs.self.overlays.default;
-        cross = import inputs.nixpkgs {
-          localSystem = system;
-          crossSystem.config = "x86_64-w64-mingw32";
+        pkgs = import inputs.nixpkgs {
+          inherit system;
+          overlays = [
+            inputs.odin.overlays.default
+            inputs.ols.overlays.default
+          ];
         };
 
         inherit (pkgs) lib;
       in
       {
-        packages = {
-          inherit (pkgs) odin;
-          gcc = cross.callPackage (import ./gcc.nix) { };
-          libgl = cross.libGL;
-        };
-
         # {{{ Shell
         devShell = pkgs.mkShell rec {
           nativeBuildInputs = [
             pkgs.pkg-config
-            pkgs.entr # File change detection
             pkgs.odin # Compiler
             pkgs.mold # Linker
+            pkgs.ols # Language server
             pkgs.just # Script runner
             pkgs.samply # Profiler
-            pkgs.ols # Language server
             pkgs.gdb # Debugger
             pkgs.seer # Debugger GUI
             pkgs.valgrind # Detect memory leaks