diff options
Diffstat (limited to 'nixos/modules/virtualisation/qemu-vm.nix')
| -rw-r--r-- | nixos/modules/virtualisation/qemu-vm.nix | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/nixos/modules/virtualisation/qemu-vm.nix b/nixos/modules/virtualisation/qemu-vm.nix index e90e319a36ba..5c4686044430 100644 --- a/nixos/modules/virtualisation/qemu-vm.nix +++ b/nixos/modules/virtualisation/qemu-vm.nix @@ -40,16 +40,17 @@ let if [ -z "$TMPDIR" -o -z "$USE_TMPDIR" ]; then TMPDIR=$(mktemp -d nix-vm.XXXXXXXXXX --tmpdir) fi + # Create a directory for exchanging data with the VM. mkdir -p $TMPDIR/xchg ${if cfg.useBootLoader then '' - # Create a writable copy/snapshot of the boot disk - # A writable boot disk can be booted from automatically + # Create a writable copy/snapshot of the boot disk. + # A writable boot disk can be booted from automatically. ${pkgs.qemu_kvm}/bin/qemu-img create -f qcow2 -b ${bootDisk}/disk.img $TMPDIR/disk.img || exit 1 ${if cfg.useEFIBoot then '' - # VM needs a writable flash BIOS + # VM needs a writable flash BIOS. cp ${bootDisk}/bios.bin $TMPDIR || exit 1 chmod 0644 $TMPDIR/bios.bin || exit 1 '' else '' |