feat: initial functionality

README.md

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+# [AUTOMATIC1111/stable-diffusion-webui] for CUDA on NixOS
+
+This is literally just a `shell.nix` and a `flake.nix` for stable-diffusion-webui using CUDA on NixOS.
+This currently doesn't support AMD cards (I don't have one) but feel free to contribute.
+
+## Usage
+```bash
+git clone https://github.com/AUTOMATIC1111/stable-diffusion-webui
+git clone https://github.com/virchau13/automatic1111-webui-nix
+cp automatic1111-webui-nix-flake/*.nix stable-diffusion-webui/
+cd stable-diffusion-webui
+nix shell # or `nix-shell` if you're not using flakes
+# just use `./webui.sh` to run it, it'll install all the rest automatically
+# follow the tutorials at the original project for setting up Stable Diffusion / GFPGAN / whatever
+```
+
+You might want to switch to high performance mode on battery-powered devices.
+
+## Credits
+- AUTOMATIC1111 for obvious reasons.
+- polypoyo for [the original draft of this](https://github.com/AUTOMATIC1111/stable-diffusion-webui/pull/4736).

flake.lock

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+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1672350804,
+        "narHash": "sha256-jo6zkiCabUBn3ObuKXHGqqORUMH27gYDIFFfLq5P4wg=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "677ed08a50931e38382dbef01cba08a8f7eac8f6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+    description = "AUTOMATIC1111/stable-diffusion-webui flake";
+
+    inputs = {
+        nixpkgs.url = github:NixOS/nixpkgs/nixos-unstable;
+        flake-utils.url = github:numtide/flake-utils;
+    };
+
+    outputs = { self, nixpkgs, flake-utils }: let
+        isLinux = system: builtins.match ".*linux.*" system != null;
+        linuxSystems = builtins.filter isLinux flake-utils.lib.defaultSystems;
+    in flake-utils.lib.eachSystem linuxSystems (system: let
+            pkgs = import nixpkgs {
+                inherit system;
+                config.allowUnfree = true;
+            };
+        in { 
+            devShells.default = import ./impl.nix pkgs;
+        }
+    );
+}

impl.nix

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+pkgs:
+
+pkgs.mkShell rec {
+    name = "stable-diffusion-webui";
+    buildInputs = with pkgs; [
+        git # The program instantly crashes if git is not present, even if everything is already downloaded
+        python310
+        stdenv.cc.cc.lib
+        stdenv.cc
+        ncurses5
+        binutils
+        gitRepo gnupg autoconf curl
+        procps gnumake util-linux m4 gperf unzip
+        cudatoolkit linuxPackages.nvidia_x11
+        libGLU libGL
+        xorg.libXi xorg.libXmu freeglut
+        xorg.libXext xorg.libX11 xorg.libXv xorg.libXrandr zlib
+        glib
+    ];
+    shellHook = ''
+        export LD_LIBRARY_PATH="${pkgs.lib.makeLibraryPath buildInputs}"
+        export CUDA_PATH=${pkgs.cudatoolkit}
+        export EXTRA_LDFLAGS="-L${pkgs.linuxPackages.nvidia_x11}/lib"
+    '';
+}

shell.nix

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+let pkgs = import <nixpkgs> {}; in import ./impl.nix pkgs pkgs.lib