···4040 if [ -z "$TMPDIR" -o -z "$USE_TMPDIR" ]; then
4141 TMPDIR=$(mktemp -d nix-vm.XXXXXXXXXX --tmpdir)
4242 fi
4343+4344 # Create a directory for exchanging data with the VM.
4445 mkdir -p $TMPDIR/xchg
45464647 ${if cfg.useBootLoader then ''
4747- # Create a writable copy/snapshot of the boot disk
4848- # A writable boot disk can be booted from automatically
4848+ # Create a writable copy/snapshot of the boot disk.
4949+ # A writable boot disk can be booted from automatically.
4950 ${pkgs.qemu_kvm}/bin/qemu-img create -f qcow2 -b ${bootDisk}/disk.img $TMPDIR/disk.img || exit 1
50515152 ${if cfg.useEFIBoot then ''
5252- # VM needs a writable flash BIOS
5353+ # VM needs a writable flash BIOS.
5354 cp ${bootDisk}/bios.bin $TMPDIR || exit 1
5455 chmod 0644 $TMPDIR/bios.bin || exit 1
5556 '' else ''