From: Mark Huang <mlhuang@cs.princeton.edu>
Date: Tue, 21 Jun 2005 21:19:15 +0000 (+0000)
Subject: - leave 1 MB of free space on the USB image filesystem
X-Git-Tag: planetlab-3_3-rc2~11
X-Git-Url: http://git.onelab.eu/?p=bootcd.git;a=commitdiff_plain;h=9fb968417f6557979830b3e058a8c74a1e081148

- leave 1 MB of free space on the USB image filesystem
---

diff --git a/build.sh b/build.sh
index 4a7890c..325506f 100755
--- a/build.sh
+++ b/build.sh
@@ -264,15 +264,22 @@ function build()
 
     # build usb image and make it bootable with syslinux (instead of isolinux)
     USB_IMAGE=${ISO%*.iso}.usb
-    USB_KB=$(du -kc $ISO $CD_ROOT/usr/isolinux | awk '$2 == "total" { print $1 }')
+    # leave 1 MB of free space on the filesystem
+    USB_KB=$(du -kc $ISO $CD_ROOT/usr/isolinux | awk '$2 == "total" { print $1 + 1024 }')
     mkfs.vfat -C $USB_IMAGE $USB_KB
+
     mkdir -p $INITRD_MOUNT
     mount -o loop,rw $USB_IMAGE $INITRD_MOUNT
+
+    # populate the root of the image with the iso, pl_version, and the syslinux files
     cp -a $ISO $INITRD_MOUNT
     cp -a $CD_ROOT/usr/isolinux/{initrd.gz,kernel,message.txt,pl_version} $INITRD_MOUNT
     cp -a $CD_ROOT/usr/isolinux/isolinux.cfg $INITRD_MOUNT/syslinux.cfg
+
     umount $INITRD_MOUNT
     rmdir $INITRD_MOUNT
+
+    # make it bootable
     syslinux $USB_IMAGE
 }