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1 files changed, 68 insertions, 0 deletions

diff --git a/flake.nix b/flake.nix
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+{
+  description = "Minimal Gio (gioui.org) development environment with Go support";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      ...
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          config.allowUnfree = true;
+        };
+
+        gioDeps = with pkgs; [
+          go
+          gopls
+          git
+          pkg-config
+          # X11 + Wayland deps
+          xorg.libX11
+          xorg.libXcursor
+          xorg.libXrandr
+          xorg.libXinerama
+          xorg.libXi
+          xorg.libXext
+          libGL
+          wayland
+          wayland-protocols
+          libxkbcommon
+          # Text rendering
+          cairo
+          pango
+          harfbuzz
+          freetype
+          fontconfig
+        ];
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          name = "gio-dev";
+          packages = gioDeps;
+
+          shellHook = ''
+            export CGO_ENABLED=1
+            export PKG_CONFIG_PATH=${pkgs.lib.makeSearchPath "lib/pkgconfig" gioDeps}
+            export GIO_USE_WAYLAND=1
+            echo "✅ Gio development shell ready."
+            echo "Run 'go run .' to start your app."
+          '';
+        };
+
+        apps.default = {
+          type = "app";
+          program = "${pkgs.go}/bin/go run .";
+        };
+      }
+    );
+}