default.nix

@@ -1,27 +1,24 @@
 let
-  pkgs = import (fetchTarball { url = "https://github.com/NixOS/nixpkgs/archive/20.03.tar.gz"; sha256 = "0182ys095dfx02vl2a20j1hz92dx3mfgz2a6fhn31bqlp1wa8hlq"; }) { };
+  pkgs = import (fetchTarball { url = "https://github.com/NixOS/nixpkgs/archive/20.03.tar.gz"; sha256 = "0182ys095dfx02vl2a20j1hz92dx3mfgz2a6fhn31bqlp1wa8hlq"; }) {};
   pyPackages = (python-packages: with python-packages; ([
-    solo-python
-    pytest
+    solo-python pytest
   ] ++ (with builtins; map (d: getAttr d python-packages) (filter (d: stringLength d > 0) (pkgs.lib.splitString "\n" (builtins.readFile ./tools/requirements.txt))))));
   python-with-my-packages = pkgs.python3.withPackages pyPackages;
-  src = with pkgs.lib; builtins.filterSource (path: type: !(hasSuffix path "hex" || hasSuffix path "sha256" || baseNameOf path == "result")) ./.;
+  src = ./.;
 in
 with pkgs; stdenv.mkDerivation {
-  name = "solo";
-  outputs = [ "out" ];
-  inherit src;
-  buildInputs = [ src gnumake gcc gcc-arm-embedded-8 git python-with-my-packages ];
-  phases = [ "unpackPhase" "configurePhase" "buildPhase" "installPhase" ];
-  installPhase = ''
-    mkdir -p $out/firmware $out/standalone/bin
-    make 
-    cp main $out/standalone/bin/
-    cd targets/stm32l432
-    make cbor
-    make build-hacker
-    cp *.hex *.sha256 *.elf cubeconfig_stm32l442.ioc $out/firmware/ 
-    ln -s ${src} $out/src
-  '';
-  keepDebugInfo = true;
+	name = "solo";
+	outputs = [ "out" ];
+	src = with lib; builtins.filterSource (path: type: !(hasSuffix path "hex" || hasSuffix path "sha256" || baseNameOf path == "result")) src;
+	buildInputs = [ gnumake gcc gcc-arm-embedded-8 git python-with-my-packages ];
+	phases = [ "unpackPhase" "configurePhase" "buildPhase" "installPhase" ];
+	installPhase = ''
+        	mkdir -p $out/firmware $out
+        	cd targets/stm32l432
+        	make cbor
+		make build-hacker
+        	cp *.hex *.sha256 *.elf cubeconfig_stm32l442.ioc $out/firmware/ 
+        '';
+	keepDebugInfo = true;
 }
+