#!/bin/bash
#
# larch-format - Format a partition for a larch live system
#
#2009.08.31


# $1: name of partition to be formatted (e.g. /dev/sdb2)
# $2: file-system type ("ext2", "vfat")
# $3: label (empty => no label)

DEVICE="$1"
FSTYPE="$2"
LABEL="$3"

dev=${DEVICE:0:8}
part=${DEVICE:8}

if [ "${FSTYPE}" = "vfat" ]; then
    sfdisk --no-reread ${dev} -N${part} <<EOF
,,0c,*
EOF

    dd if=/dev/zero of=${DEVICE} bs=512 count=1

else
    sfdisk --no-reread ${dev} -N${part} <<EOF
,,L,*
EOF

fi
[ $? -ne 0 ] && exit 1

if [ -n "${LABEL}" ]; then
    if [ "${FSTYPE}" = "vfat" ]; then
        LABEL="-n ${LABEL}"
    else
        LABEL="-L ${LABEL}"
    fi
fi

echo "mkfs.${FSTYPE} ${LABEL} ${DEVICE}"
mkfs.${FSTYPE} ${LABEL} ${DEVICE}