Refactor flake and add new clause to README

Author: samuelludwig

README.md

@@ -57,6 +57,15 @@ dependencies:
 $ composer install
 ```
 
+Lastly, if you have flakes enabled on your machine, you can build it by running:
+
+```bash
+nix build .
+```
+
+in the root of the repo, where you'll then find the executable in
+`/result/bin/composer2nix`.
+
 Usage
 =====
 You need a project providing a `composer.json` and (if applicable) a

flake.nix

@@ -24,14 +24,16 @@
         };
 
         composer2nix = import ./php-packages.nix {
-            inherit composerEnv noDev;
-            inherit (pkgs) fetchurl fetchgit fetchhg fetchsvn;
+          inherit composerEnv noDev;
+          inherit (pkgs) fetchurl fetchgit fetchhg fetchsvn;
         };
-      in
-      rec {
+
         packages.composer2nix = composer2nix;
         defaultPackage = packages.composer2nix;
-      });
+      in
+        { inherit packages defaultPackage; }
+
+    );
 
 
 }