From baed737e2f8a17f208090aabbffb41e12b923b39 Mon Sep 17 00:00:00 2001
From: Dom H <dom@hxy.io>
Date: Sun, 16 Jan 2022 18:44:45 +0000
Subject: [PATCH] fix(setup): Fetch Zephyr requirements from URL

The requirements cannot be read from the file in `./zephyr/` because
this directory does not yet exist in a clean repo.

Fetching the requirements file from an upstream URL is consistent with
how the ZMK docker image does it:

  https://github.com/zmkfirmware/zmk-docker/blob/25972e7aad57a2b48f6141185711943cf76fc03b/Dockerfile#L26-L27
---
 shell.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/shell.nix b/shell.nix
index e34f20c8..f36dc2e2 100644
--- a/shell.nix
+++ b/shell.nix
@@ -9,8 +9,12 @@ let inherit (lib) ;
   }) {
     python = "python3";
   };
+  zephyr-requirements = fetchurl {
+    url = "https://raw.githubusercontent.com/zephyrproject-rtos/zephyr/v2.5.0/scripts/requirements-base.txt";
+    sha256 = "919a78ba9457a8e55451450329158ff7fdcbc4a2ddb0dd76ea804c3b04a3c6c6";
+  };
   machNix = mach-nix.mkPython rec {
-    requirements = builtins.readFile ./zephyr/scripts/requirements-base.txt;
+    requirements = builtins.readFile zephyr-requirements;
   };
 in mkShell {
   buildInputs = [