From 4515e8d15d38883fcbb818dc85710263bcb1cca8 Mon Sep 17 00:00:00 2001
From: Sam Willcocks <sam@wlcx.cc>
Date: Wed, 6 Jul 2022 23:14:53 +0000
Subject: [PATCH] Add missing build dependencies to devshell.

I assume these were knocking around in the system environment on my mac.
---
 flake.nix | 52 ++++++++++++++++++++++++++++++++--------------------
 1 file changed, 32 insertions(+), 20 deletions(-)

diff --git a/flake.nix b/flake.nix
index 6193c09..49cb499 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,29 +6,41 @@
     naersk.url = "github:nix-community/naersk";
     rust-overlay.url = "github:oxalica/rust-overlay";
   };
-   outputs = { self, nixpkgs, utils, naersk, devshell, rust-overlay }:
-    utils.lib.eachDefaultSystem (system:
-      let
-        pkgs = import nixpkgs { inherit system; };
-        naersk-lib = pkgs.callPackage naersk { };
-      in
-      {
-        defaultPackage = naersk-lib.buildPackage ./.;
+  outputs = {
+    self,
+    nixpkgs,
+    utils,
+    naersk,
+    devshell,
+    rust-overlay,
+  }:
+    utils.lib.eachDefaultSystem (system: let
+      pkgs = import nixpkgs {inherit system;};
+      naersk-lib = pkgs.callPackage naersk {};
+    in {
+      defaultPackage = naersk-lib.buildPackage ./.;
 
-        defaultApp = utils.lib.mkApp {
-          drv = self.defaultPackage."${system}";
-        };
-        devShell =
-        let pkgs = import nixpkgs {
+      defaultApp = utils.lib.mkApp {
+        drv = self.defaultPackage."${system}";
+      };
+      devShells.default = let
+        pkgs = import nixpkgs {
           inherit system;
 
-          overlays = [ devshell.overlay (import rust-overlay)];
+          overlays = [devshell.overlay (import rust-overlay)];
         };
-        in
-        pkgs.devshell.mkShell {
-          packages = with pkgs; [ dhall (rust-bin.stable.latest.default.override {
-            extensions = [ "rls" ];
-          })];
+      in
+        pkgs.mkShell {
+          buildInputs = with pkgs; [
+            dhall
+            (rust-bin.stable.latest.default.override {
+              extensions = ["rls"];
+            })
+            pkg-config
+            libusb
+            openssl
+          ];
         };
-      });
+      formatter = pkgs.alejandra;
+    });
 }