parameterize $NBD_FILENAME

1 files changed, 4 insertions, 1 deletions

diff --git a/src/qemu.sh b/src/qemu.sh
index 3b8cdec..de431f5 100755
--- a/src/qemu.sh
+++ b/src/qemu.sh
@@ -21,10 +21,13 @@ NET='tap,vlan=0,ifname=tap0,script=no,downscript=no'
 # To use qemu built-in pxe boot server:
 # NET='user,tftp=isolinux,bootfile=/pxelinux.0'
 
+nbd_filename=samizdat.btrfs
+[ "$NBD_FILENAME" ] && nbd_filename=$NBD_FILENAME
+
 initrd=${samizdat_isolinux_dir}/linux/initrd.img
 kernel=${samizdat_isolinux_dir}/linux/vmlinuz
 kcmdline_CDROM='boot=samizdat components quiet splash'
-kcmdline_CDROM_NET="${kcmdline_CDROM} nbdroot=192.168.10.1,samizdat.btrfs nbddev=/dev/nbd0 ip=dhcp"
+kcmdline_CDROM_NET="${kcmdline_CDROM} nbdroot=192.168.10.1,${nbd_filename} nbddev=/dev/nbd0 ip=dhcp"
 kcmdline_NET="${kcmdline_CDROM_NET} netkeys"
 
 MAC='52-54-00-12-34-56'