From 08ddd8a5fcbd4f0cc872304035e54a21fbcbb321 Mon Sep 17 00:00:00 2001
From: "Kirill A. Korinsky" <kirill@korins.ky>
Date: Wed, 29 Jun 2022 16:00:39 +0200
Subject: [PATCH] nixos-generate-config: detect parallels virtualization

---
 nixos/modules/installer/tools/nixos-generate-config.pl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/nixos/modules/installer/tools/nixos-generate-config.pl b/nixos/modules/installer/tools/nixos-generate-config.pl
index 1935d8252607..0e6320e4695c 100644
--- a/nixos/modules/installer/tools/nixos-generate-config.pl
+++ b/nixos/modules/installer/tools/nixos-generate-config.pl
@@ -300,6 +300,12 @@ if ($virt eq "oracle") {
     push @attrs, "virtualisation.virtualbox.guest.enable = true;"
 }
 
+# Check if we're a Parallels guest. If so, enable the guest additions.
+# It is blocked by https://github.com/systemd/systemd/pull/23859
+if ($virt eq "parallels") {
+    push @attrs, "hardware.parallels.enable = true;";
+    push @attrs, "nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [ \"prl-tools\" ];";
+}
 
 # Likewise for QEMU.
 if ($virt eq "qemu" || $virt eq "kvm" || $virt eq "bochs") {