nixos-hardware-scan: Detect QEMU

nixos/modules/installer/tools/nixos-generate-config.pl

@@ -216,14 +216,22 @@ foreach my $path (glob "/sys/class/block/*") {
 }
 
 
+my $dmi = `@dmidecode@/sbin/dmidecode`;
+
+
 # Check if we're a VirtualBox guest.  If so, enable the guest
 # additions.
-my $dmi = `@dmidecode@/sbin/dmidecode`;
 if ($dmi =~ /Manufacturer: innotek/) {
     push @attrs, "services.virtualbox.enable = true;"
 }
 
 
+# Likewise for QEMU.
+if ($dmi =~ /Manufacturer: Bochs/) {
+    push @imports, "<nixpkgs/nixos/modules/profiles/qemu-guest.nix>";
+}
+
+
 # Generate the swapDevices option from the currently activated swap
 # devices.
 my @swaps = read_file("/proc/swaps");

nixos/tests/installer.nix

@@ -39,7 +39,6 @@ let
 
       { imports =
           [ ./hardware-configuration.nix
-            <nixpkgs/nixos/modules/profiles/qemu-guest.nix>
             <nixpkgs/nixos/modules/testing/test-instrumentation.nix>
           ];