flake.nix: init

flake.nix

@@ -0,0 +1,49 @@
+{
+  description = "Flutter package for rendering kanji stroke animations";
+
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-unstable";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+  }: let
+    inherit (nixpkgs) lib;
+    systems = [
+      "x86_64-linux"
+      "aarch64-linux"
+      "x86_64-darwin"
+      "aarch64-darwin"
+    ];
+
+    forAllSystems = f: lib.genAttrs systems (system: f system nixpkgs.legacyPackages.${system});
+  in {
+    devShells = forAllSystems (system: pkgs: {
+      default = pkgs.mkShell {
+        buildInputs = with pkgs; [
+          flutter
+          dart
+        ];
+      };
+    });
+
+    packages = let
+      src = builtins.filterSource (path: type: let
+        baseName = baseNameOf (toString path);
+      in !(lib.any (b: b) [
+          (!(lib.cleanSourceFilter path type))
+          (baseName == "nix" && type == "directory")
+          (baseName == ".envrc" && type == "regular")
+          (baseName == "flake.lock" && type == "regular")
+          (baseName == "flake.nix" && type == "regular")
+        ])) ./.;
+    in forAllSystems (system: pkgs: {
+      # default = self.packages.${system}.kanjimaji;
+
+      filteredSource = pkgs.runCommandLocal "filtered-source" { } ''
+        ln -s ${src} $out
+      '';
+    });
+  };
+}