Project setup

.gitignore

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+result/
+build/
+.cache/

default.nix

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+{ stdenv, meson, ninja, pkg-config }: stdenv.mkDerivation {
+  name = "kobo-color-inputdev";
+  nativeBuildInputs = [
+    meson
+    ninja
+  ];
+  src = ./.;
+}

flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1730200266,
+        "narHash": "sha256-l253w0XMT8nWHGXuXqyiIC/bMvh1VRszGXgdpQlfhvU=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "807e9154dcb16384b1b765ebe9cd2bba2ac287fd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Small binary rewriting events from kobo libra colour to be used as a desktop libinput device";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }:
+    let
+      system = "x86_64-linux";
+      pkgs = import nixpkgs { inherit system; };
+    in
+    {
+      packages.${system} =
+        {
+          kobo-color-inputdev = pkgs.callPackage ./default.nix { };
+          default = self.packages.${system}.kobo-color-inputdev;
+        };
+      devShells.${system}.default = import ./shell.nix { inherit pkgs; };
+    };
+}

meson.build

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+project('kobo-color-inputdev', 'c',
+  version : '0.1',
+  default_options : ['warning_level=3'])
+
+exe = executable('kobo-color-inputdev', 'src/main.c',
+  install : true)

shell.nix

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+{ pkgs ? import <nixpkgs> { } }:
+pkgs.mkShell {
+  packages = with pkgs; [ libevent clang-tools ];
+  inputsFrom = [ (pkgs.callPackage ./default.nix { }) ];
+}

src/main.c

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+#include <stdio.h>
+
+#define PROJECT_NAME "kobo-color-inputdev"
+
+int main(int argc, char **argv) {
+    if(argc != 1) {
+        printf("%s takes no arguments.\n", argv[0]);
+        return 1;
+    }
+    printf("This is project %s.\n", PROJECT_NAME);
+    return 0;
+}