?

.direnv/bin/nix-direnv-reload

@@ -1,19 +0,0 @@
-#!/usr/bin/env bash
-set -e
-if [[ ! -d "/Users/andrew/personal/Projects/C/image_processor" ]]; then
-  echo "Cannot find source directory; Did you move it?"
-  echo "(Looking for "/Users/andrew/personal/Projects/C/image_processor")"
-  echo 'Cannot force reload with this script - use "direnv reload" manually and then try again'
-  exit 1
-fi
-
-# rebuild the cache forcefully
-_nix_direnv_force_reload=1 direnv exec "/Users/andrew/personal/Projects/C/image_processor" true
-
-# Update the mtime for .envrc.
-# This will cause direnv to reload again - but without re-building.
-touch "/Users/andrew/personal/Projects/C/image_processor/.envrc"
-
-# Also update the timestamp of whatever profile_rc we have.
-# This makes sure that we know we are up to date.
-touch -r "/Users/andrew/personal/Projects/C/image_processor/.envrc" "/Users/andrew/personal/Projects/C/image_processor/.direnv"/*.rc

.direnv/nix-profile-25.11-dwh1bd8g809r0kgr

@@ -1 +0,0 @@
-/nix/store/yy3zc65ij95wfnap3zqcr44kc4wzwlbq-nix-shell-env

flake.lock

@@ -1,27 +0,0 @@
-{
-  "nodes": {
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1774273680,
-        "narHash": "sha256-a++tZ1RQsDb1I0NHrFwdGuRlR5TORvCEUksM459wKUA=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "fdc7b8f7b30fdbedec91b71ed82f36e1637483ed",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "nixpkgs": "nixpkgs"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}

flake.nix

@@ -1,60 +1,45 @@
 {
-  description = "Image Processor API";
+  description = "A C library with a clean API";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    # Ghostty uses 'systems' to be cleaner, we can do similar or stick to a list
-  };
-
-  # This mirrors the Ghostty 'nixConfig' to ensure settings stay local to the project
-  nixConfig = {
-    extra-substituters = ["https://cache.nixos.org"];
-    extra-trusted-public-keys = ["cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="];
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
   };
 
   outputs = {
     self,
     nixpkgs,
   }: let
-    supportedSystems = ["aarch64-darwin" "x86_64-darwin" "aarch64-linux" "x86_64-linux"];
-    # A helper to generate outputs for all systems
-    forAllSystems = f: nixpkgs.lib.genAttrs supportedSystems (system: f (import nixpkgs {inherit system;}));
+    # Support for multiple systems (Linux and macOS)
+    supportedSystems = ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"];
+    forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+    pkgsFor = system: import nixpkgs {inherit system;};
   in {
-    # 1. THE PACKAGE (What you 'pull' into other projects)
-    packages = forAllSystems (pkgs: {
+    # This is the actual library package
+    packages = forAllSystems (system: let
+      pkgs = pkgsFor system;
+    in {
       default = pkgs.stdenv.mkDerivation {
-        pname = "image_processor";
+        pname = "my-c-api";
         version = "0.1.0";
         src = ./.;
 
-        nativeBuildInputs = [pkgs.cmake pkgs.pkg-config];
-        buildInputs = [pkgs.libjpeg_turbo];
+        # Add dependencies here
+        buildInputs = [];
+        nativeBuildInputs = [pkgs.pkg-config];
 
-        # Ensure headers are found in the dev environment
-        propagatedBuildInputs = [pkgs.libjpeg_turbo];
+        # Nix expects a standard 'make install' by default.
+        # Ensure your Makefile handles $(DESTDIR)$(PREFIX) correctly.
+        installFlags = ["PREFIX=$(out)"];
       };
     });
 
-    # 2. THE DEV SHELL (What 'direnv' uses)
-    devShells = forAllSystems (pkgs: {
+    # This provides 'nix develop' for you to work on the API itself
+    devShells = forAllSystems (system: let
+      pkgs = pkgsFor system;
+    in {
       default = pkgs.mkShell {
-        # Use 'inputsFrom' so the shell always matches the package
-        inputsFrom = [self.packages.${pkgs.system}.default];
-
-        # Add extra dev tools you only want when coding, not building
-        nativeBuildInputs = with pkgs; [
-          gdb
-          pkg-config
-        ];
-
-        shellHook = ''
-          # These exports make sure your C compiler finds the Nix-provided libs
-          export CPATH="${pkgs.libjpeg_turbo.dev}/include:$CPATH"
-          export LIBRARY_PATH="${pkgs.libjpeg_turbo.out}/lib:$LIBRARY_PATH"
-          export PKG_CONFIG_PATH="${pkgs.libjpeg_turbo.dev}/lib/pkgconfig:$PKG_CONFIG_PATH"
-
-          echo "⚙️ Image Processor API Dev Shell Loaded"
-        '';
+        inputsFrom = [self.packages.${system}.default];
+        packages = with pkgs; [gdb valgrind clang-tools];
       };
     });
   };

shell.nix

@@ -1,14 +0,0 @@
-{pkgs ? import <nixpkgs> {}}:
-pkgs.mkShell {
-  nativeBuildInputs = with pkgs; [
-    cmake
-    pkg-config
-  ];
-  buildInputs = with pkgs; [
-    libjpeg_turbo
-  ];
-  # This tells pkg-config where the Nix libraries are automatically
-  shellHook = ''
-    echo "Image Processor Dev Environment Loaded"
-  '';
-}