#!/bin/bash
# Usage: no command-line args.
# "arguments" come in environment:
#  TARGET a device filename
#  FSSIZE the desired filesystem size in megabytes (rest will be swap)
#  ARCH, DIST, MIRROR
#  HOSTNAME, IP

set -e

echo ,"${FSSIZE}"$',L,*\n,,S\n;\n;' | sfdisk -uM -H 255 -S 63 "$TARGET"

dmsetup info "$TARGET" 2>/dev/null && kpartx -a "$TARGET"

xen-create-image --image-dev "${TARGET}1" --swap-dev "${TARGET}2" --fs ext3 --ide \
 --hostname "$HOSTNAME" --ip="$IP" --netmask=255.255.0.0 --gateway=18.181.0.1 \
 --arch "$ARCH" --dist "$DIST" --mirror "$MIRROR" --cache=yes --verbose

dmsetup info "$TARGET" 2>/dev/null && kpartx -d "$TARGET"

exit 0