From a1e2ef99462643050aac8f88d2084c1f06f2a526 Mon Sep 17 00:00:00 2001
From: Erin <79354991+oati@users.noreply.github.com>
Date: Thu, 19 Jan 2023 12:30:16 -0600
Subject: [PATCH] remove nixpkgs re-imports

---
 packages/linux-asahi/default.nix | 41 +++++++++++++++-----------------
 packages/m1n1/default.nix        | 15 ++++--------
 packages/uboot-asahi/default.nix |  9 ++-----
 3 files changed, 26 insertions(+), 39 deletions(-)

diff --git a/packages/linux-asahi/default.nix b/packages/linux-asahi/default.nix
index 941bff53..7223340b 100644
--- a/packages/linux-asahi/default.nix
+++ b/packages/linux-asahi/default.nix
@@ -1,18 +1,15 @@
-{ pkgs, _4KBuild ? false, withRust ? false, kernelPatches ? [ ] }:
+{ lib
+, callPackage
+, runCommand
+, writeShellScriptBin
+, writeText
+, linuxPackagesFor
+, _4KBuild ? false
+, withRust ? false
+, kernelPatches ? [ ]
+}:
 
 let
-  # we do this so the config IFDs will have the same output hash
-  # when evaluated in the cross system
-  #
-  # TODO: is this really necessary? the hash shoud remain the same
-  #       as long as `hardware.asahi.pkgsSystem` is set correctly.
-  localPkgs = import (pkgs.path) {
-    crossSystem = pkgs.stdenv.buildPlatform;
-    localSystem = pkgs.stdenv.buildPlatform;
-  };
-
-  lib = localPkgs.lib;
-
   parseExtraConfig = cfg: let
     lines = builtins.filter (s: s != "") (lib.strings.splitString "\n" cfg);
     perLine = line: let
@@ -21,7 +18,7 @@ let
        "CONFIG_${builtins.elemAt kv 0}=${builtins.elemAt kv 1}";
     in lib.strings.concatMapStringsSep "\n" perLine lines;
 
-  readConfig = configfile: import (localPkgs.runCommand "config.nix" { } ''
+  readConfig = configfile: import (runCommand "config.nix" { } ''
     echo "{ } // " > "$out"
     while IFS='=' read key val; do
       [ "x''${key#CONFIG_}" != "x$key" ] || continue
@@ -35,12 +32,12 @@ let
       rustPlatform, rustfmt, rust-bindgen, ... } @ args:
     let
       configfile = if kernelPatches == [ ] then ./config else
-      pkgs.writeText "config" ''
-        ${builtins.readFile ./config}
+        writeText "config" ''
+          ${builtins.readFile ./config}
 
-        # Patches
-        ${lib.strings.concatMapStringsSep "\n" ({extraConfig ? "", ...}: parseExtraConfig extraConfig) kernelPatches}
-      '';
+          # Patches
+          ${lib.strings.concatMapStringsSep "\n" ({extraConfig ? "", ...}: parseExtraConfig extraConfig) kernelPatches}
+        '';
 
       _kernelPatches = kernelPatches;
     in
@@ -88,7 +85,7 @@ let
         # is running, so we give the kernel build a rustc that wraps the real rustc
         # while setting the appropriate environment variable during its execution.
         # https://github.com/NixOS/nixpkgs/pull/209113
-        (pkgs.writeShellScriptBin "rustc" ''
+        (writeShellScriptBin "rustc" ''
           NIX_LDFLAGS=-lgcc ${rustPlatform.rust.rustc}/bin/rustc "$@"
         '')
       ];
@@ -102,6 +99,6 @@ let
       '';
     } else {});
 
-  linux-asahi = (pkgs.callPackage linux-asahi-pkg { });
-in pkgs.recurseIntoAttrs (pkgs.linuxPackagesFor linux-asahi)
+  linux-asahi = (callPackage linux-asahi-pkg { });
+in lib.recurseIntoAttrs (linuxPackagesFor linux-asahi)
 
diff --git a/packages/m1n1/default.nix b/packages/m1n1/default.nix
index 2977f9a7..da666640 100644
--- a/packages/m1n1/default.nix
+++ b/packages/m1n1/default.nix
@@ -1,5 +1,5 @@
-{ pkgs
-, stdenv
+{ stdenv
+, buildPackages
 , lib
 , fetchFromGitHub
 , python3
@@ -15,11 +15,6 @@
 assert withChainloading -> rust-bin != null;
 
 let
-  crossPkgs = import pkgs.path {
-    crossSystem.system = "aarch64-linux";
-    localSystem.system = pkgs.stdenv.buildPlatform.system;
-  };
-
   pyenv = python3.withPackages (p: with p; [
     construct
     pyserial
@@ -47,7 +42,7 @@ in stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     dtc
-    crossPkgs.buildPackages.gcc
+    buildPackages.gcc
   ] ++ lib.optional withChainloading rustenv
     ++ lib.optional (customLogo != null) imagemagick;
 
@@ -91,8 +86,8 @@ EOF
       chmod +x $script
     done
 
-    GCC=${crossPkgs.buildPackages.gcc}
-    BINUTILS=${crossPkgs.buildPackages.binutils-unwrapped}
+    GCC=${buildPackages.gcc}
+    BINUTILS=${buildPackages.binutils-unwrapped}
 
     ln -s $GCC/bin/*-gcc $out/toolchain-bin/
     ln -s $GCC/bin/*-ld $out/toolchain-bin/
diff --git a/packages/uboot-asahi/default.nix b/packages/uboot-asahi/default.nix
index 457e8b15..d9126314 100644
--- a/packages/uboot-asahi/default.nix
+++ b/packages/uboot-asahi/default.nix
@@ -1,16 +1,11 @@
 { lib
 , fetchFromGitHub
 , fetchpatch
-, pkgs
+, buildUBoot
 , m1n1
 }:
 
-let
-  crossPkgs = import pkgs.path {
-    crossSystem.system = "aarch64-linux";
-    localSystem.system = pkgs.stdenv.buildPlatform.system;
-  };
-in (crossPkgs.buildUBoot rec {
+(buildUBoot rec {
   src = fetchFromGitHub {
     # tracking: https://github.com/AsahiLinux/PKGBUILDs/blob/stable/uboot-asahi/PKGBUILD
     owner = "AsahiLinux";