From e2f3e306fb4f76730a5bc8c7f3a96dab70f725c8 Mon Sep 17 00:00:00 2001
From: r2r-dev <dev@r2r.sh>
Date: Tue, 11 May 2021 20:45:40 +0200
Subject: [PATCH] Dirty hack to enable nixos-shell on macos

https://github.com/NixOS/nixpkgs/issues/121903#issuecomment-836315774
https://github.com/NixOS/nixpkgs/pull/122420
https://github.com/Infinisil/nixpkgs/commit/4d244410ee0f3e3ece5494533217bbafbd95d9b3
https://github.com/NixOS/nixpkgs/issues/108984#issuecomment-819436585
https://github.com/dermetfan/nixos-shell/commit/28ea39e0b76698e7dbd198e9755d7dbc12bf5146
---
 Makefile        |  1 +
 bin/config.nix  | 12 ++++++++++++
 bin/nixos-shell |  7 ++++++-
 3 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 bin/config.nix

diff --git a/Makefile b/Makefile
index 2a6a321..5cf337e 100644
--- a/Makefile
+++ b/Makefile
@@ -23,4 +23,5 @@ test-efi:
 
 install:
 	$(INSTALL) -D bin/nixos-shell $(DESTDIR)$(PREFIX)/bin/nixos-shell
+	$(INSTALL) -D bin/config.nix $(DESTDIR)$(PREFIX)/bin/config.nix
 	$(INSTALL) -D share/nixos-shell/nixos-shell.nix $(DESTDIR)$(PREFIX)/share/nixos-shell/nixos-shell.nix
diff --git a/bin/config.nix b/bin/config.nix
new file mode 100644
index 0000000..9738c2f
--- /dev/null
+++ b/bin/config.nix
@@ -0,0 +1,12 @@
+{ 
+  virtualisation.qemu.pkgs = import <qnixpkgs> { 
+    system = "x86_64-darwin";
+    overlays = [
+      (self: super: { 
+        qemu = super.qemu.overrideAttrs (attrs: {
+          preConfigure = attrs.preConfigure + "substituteInPlace meson.build --replace \'if exe_sign\' \'if false\'";
+        }); 
+      })
+    ];
+  };
+}
diff --git a/bin/nixos-shell b/bin/nixos-shell
index 0614880..8e30002 100755
--- a/bin/nixos-shell
+++ b/bin/nixos-shell
@@ -1,4 +1,5 @@
-#!/usr/bin/env bash
+#! /usr/bin/env nix-shell
+#! nix-shell -i bash -p bash coreutils
 
 set -euo pipefail
 
@@ -54,6 +55,10 @@ trap cleanup EXIT SIGINT SIGQUIT ERR
 nix-build '<nixpkgs/nixos>' -A vm -k \
   -I "nixos-config=${script_dir}/../share/nixos-shell/nixos-shell.nix" \
   -o "${tempdir}/result" \
+  --argstr system x86_64-linux \
+  --arg configuration "${script_dir}/config.nix" \
+  -I nixpkgs=http://github.com/SCOTT-HAMILTON/NixPkgs/archive/230f823cd985e499ff2fd450b419bc5b44c6dbf8.tar.gz \
+  -I qnixpkgs=https://github.com/mroi/nixpkgs/archive/a180e45138f63f283b6d155bbd46367f09e29d1e.tar.gz \
   "${extraBuildFlags[@]}"
   "$@"
 "${tempdir}/result/bin/"run-*-vm