From c7492b78d3f442abecc42260b851cf1f3d5d7ce6 Mon Sep 17 00:00:00 2001
From: Dakota Marshall <me@dakotamarshall.net>
Date: Wed, 24 Apr 2024 15:39:12 -0400
Subject: [PATCH] Add flake files for working Nix environment

---
 flake.lock | 27 +++++++++++++++++++++
 flake.nix  | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 97 insertions(+)
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 00000000..fa6aa60e
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1688072080,
+        "narHash": "sha256-mPsxREerkmDU2m7zi8j19ooc1F9wKPWBJ77S7swXMmI=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "5a8650469a9f8a1958ff9373bd27fb8e54c4365d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 00000000..ec551544
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,70 @@
+{
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+
+  outputs = { self, nixpkgs, }:
+  let
+    pkgs = nixpkgs.legacyPackages.x86_64-linux;
+  in {
+    devShells.x86_64-linux.default = pkgs.mkShell {
+      LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath [
+        pkgs.gcc-unwrapped
+        pkgs.zlib
+        pkgs.libglvnd
+        pkgs.glib
+        pkgs.stdenv.cc.cc
+        pkgs.fontconfig
+        pkgs.libxkbcommon
+        pkgs.xorg.libxcb
+        pkgs.freetype
+        pkgs.dbus
+        pkgs.qt6.qtwayland
+        pkgs.zstd
+      ];
+      buildInputs = with pkgs; [
+        cmake
+        gdb
+        zstd
+        qt6.qtbase
+        qt6.full
+        qt6.qtwayland
+        qtcreator
+        python310Packages.pip
+        python310Full
+        python310Packages.virtualenv # run virtualenv .
+        # python3Packages.pyqt5 # avoid installing via pip
+        python310Packages.pyusb # fixes the pyusb 'No backend available' when installed directly via pip
+
+        gcc.cc.libgcc
+        makeWrapper
+        bashInteractive
+        glib
+        libxkbcommon
+        freetype
+        binutils
+        dbus
+        coreutils
+        libGL
+        libGLU
+        fontconfig
+        # wrapQtAppsHook
+        xorg.libxcb
+
+
+        # this is for the shellhook portion
+        qt6.wrapQtAppsHook
+        makeWrapper
+        bashInteractive
+      ];
+      # set the environment variables that Qt apps expect
+      shellHook = ''
+        export QT_QPA_PLATFORM=wayland
+        export LIBRARY_PATH=/usr/lib:/usr/lib64:$LIBRARY_PATH
+        # export LD_LIBRARY_PATH=${pkgs.stdenv.cc.cc.lib}/lib/:/run/opengl-driver/lib/
+        export QT_PLUGIN_PATH=${pkgs.qt6.qtbase}/${pkgs.qt6.qtbase.qtPluginPrefix}
+        bashdir=$(mktemp -d)
+        makeWrapper "$(type -p bash)" "$bashdir/bash" "''${qtWrapperArgs[@]}"
+        exec "$bashdir/bash"
+      '';
+    };
+  };
+}