adding flake

.envrc

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

flake.nix

@@ -0,0 +1,85 @@
+{
+  description = "A fast, simple 2D text renderer for wgpu";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    naersk.url = "github:nix-community/naersk";
+    flake-utils.url = "github:numtide/flake-utils";
+    fenix.url = "github:nix-community/fenix";
+  };
+
+  outputs = inputs: with inputs;
+    flake-utils.lib.eachDefaultSystem
+      (system:
+        let
+          pkgs = import nixpkgs {
+            inherit system;
+            overlays = [fenix.overlays.default];
+            # overlays = [cargo2nix.overlays.default];
+          };
+          naersk' = pkgs.callPackage naersk {};
+          nbi = with pkgs; [
+            # Rust tools
+            alejandra
+            (pkgs.fenix.stable.withComponents [
+              "cargo"
+              "clippy"
+              "rust-src"
+              "rustc"
+              "rustfmt"
+            ])
+            rust-analyzer
+            vulkan-loader
+            wayland
+            wayland-protocols
+            libxkbcommon
+            pkg-config
+          ];
+
+          bi = with pkgs; [
+            gcc
+            stdenv
+            gnumake
+            gdb
+            cmake
+            makeWrapper
+            vulkan-headers
+            vulkan-loader
+            vulkan-tools
+            harfbuzz
+            libGL
+            cargo-flamegraph
+            fontconfig
+            just
+            sqlx-cli
+            cargo-watch
+          ];
+        in rec
+        {
+          devShell = pkgs.mkShell.override {
+            stdenv = pkgs.stdenvAdapters.useMoldLinker pkgs.clangStdenv;
+          } {
+            nativeBuildInputs = nbi;
+            buildInputs = bi;
+            LD_LIBRARY_PATH = "$LD_LIBRARY_PATH:${
+              with pkgs;
+              pkgs.lib.makeLibraryPath [
+                pkgs.vulkan-loader
+                pkgs.wayland
+                pkgs.wayland-protocols
+                pkgs.libxkbcommon
+              ]
+            }";
+            DATABASE_URL = "sqlite:///home/chris/.local/share/lumina/library-db.sqlite3";
+          };
+          defaultPackage = naersk'.buildPackage {
+            src = ./.;
+          };
+          packages = {
+            default = naersk'.buildPackage {
+              src = ./.;
+            };
+          };
+        }
+      );
+}