initial direnv setup

.envrc.example

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -71,3 +71,7 @@ crashlytics-build.properties
 # Temporary auto-generated Android Assets
 /[Aa]ssets/[Ss]treamingAssets/aa.meta
 /[Aa]ssets/[Ss]treamingAssets/aa/*
+
+# nix stuff
+.direnv/
+.envrc

flake.nix

@@ -0,0 +1,45 @@
+{
+  description = "BasisVR/UpmBuilds repo";
+
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:NixOS/nixpkgs/release-24.11";
+    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  };
+
+  outputs = inputs-raw@{ flake-utils, ... }:
+    let
+      # All systems we may care about evaluating nixpkgs for
+      systems = with flake-utils.lib.system; [ x86_64-linux aarch64-linux aarch64-darwin x86_64-darwin ];
+      perSystem = (system: rec {
+        inputs = inputs-raw;
+        pkgs = import inputs.nixpkgs {
+          inherit system;
+          overlays = [
+            ((import nix/overlays/nixpkgs-unstable.nix) { inherit inputs; })
+          ];
+          config = {
+            # allowUnfree = true;
+            permittedInsecurePackages = [
+              # Needed for roslyn-ls, see
+              # https://github.com/NixOS/nixpkgs/blob/4989a246/pkgs/by-name/ro/roslyn-ls/package.nix#L21
+              "dotnet-sdk-6.0.428"
+            ];
+          };
+        };
+      });
+      # This `s` helper variable caches each system we care about in one spot
+      inherit (flake-utils.lib.eachSystem systems (system: { s = perSystem system; })) s;
+    in
+    # System-specific stuff goes in here, by using the flake-utils helper functions
+    flake-utils.lib.eachSystem systems
+      (system:
+        let
+          inherit (s.${system}) pkgs inputs;
+        in
+        {
+          formatter = pkgs.nixpkgs-fmt;
+          devShells = import ./nix/devShells.nix { inherit system pkgs inputs; };
+        }
+      );
+}

justfile

@@ -0,0 +1,22 @@
+# Default recipe to run when just is called without arguments
+default: build
+
+# Set the project name
+project := "SimpleBase"
+
+# Clean build outputs
+clean:
+    dotnet clean
+    rm -rf **/bin **/obj
+
+# Restore NuGet packages
+restore:
+    dotnet restore
+
+# Build the project
+build: restore
+    dotnet build --configuration Release
+
+# Create a new release build
+release: clean restore
+    dotnet publish --configuration Release --output ./publish

nix/devShells.nix

@@ -0,0 +1,26 @@
+# Defines all devShells for the flake
+{ system, pkgs, inputs }:
+let
+  dotnet = (with pkgs.dotnetCorePackages;
+    # Multiple dotnet sdks can be provided here
+    combinePackages [
+      sdk_9_0
+    ]);
+in
+{
+  default = pkgs.mkShell {
+    # These programs be available to the dev shell
+    buildInputs = (with pkgs; [
+      dotnet
+      nixpkgs-fmt
+      roslyn-ls
+      just
+    ]) ++ pkgs.lib.optional pkgs.stdenv.isDarwin [
+      pkgs.libiconv
+    ];
+
+    # Hook the shell to set custom env vars
+    shellHook = ''
+    '';
+  };
+}

nix/overlays/nixpkgs-unstable.nix

@@ -0,0 +1,7 @@
+{ inputs, ... }:
+final: _prev: {
+  unstable = import inputs.nixpkgs-unstable {
+    system = final.system;
+    config = final.config;
+  };
+}