#!/bin/sh
#
# Clone a disk format.  This can be useful when setting up
# a bunch of new disks, or when setting up a disk that will
# be a mirror of an existing disk.  
#
# NOTE:  This program assumes that the source and destination
# disk drives are the exact same make and model.
#
# Andy Welter
# www.the-welters.com
# 1/4/2001
#
SOURCE=$1
DEST=$2
echo "Copy format from $SOURCE to $DEST"
echo "Are you sure that $DEST is not in use? [y|n]"
read ANS
if [ "$ANS" != "y" ]; then
	echo "Exiting."
	exit 1
fi

if [ ! -h /dev/dsk/${SOURCE}s0 -a \
	! -h /dev/dsk/${SOURCE}s0 ]; then
    echo "no such disk"
fi
FORMATDAT="/tmp/format.dat.$$"
FORMATBAK="/tmp/format.dat.$DEST.bak"
if [ -f $FORMATDAT -o \
	-f $FORMATBAK ]; then
	echo "$FORMATDAT or $FORMATBAK already exists"
	exit 1
fi
echo "Saving source format table..."
format $SOURCE << EOF > /dev/null 2>&1
save
$FORMATDAT
quit
EOF

#
# Get the disk type and partition table name from the file
DNAME=`grep "^disk_type" $FORMATDAT | cut -d'"' -f2`
PNAME=`grep "^partition" $FORMATDAT | cut -d'"' -f2`

#
# Save the old format table for the destination device
echo "Saving backup copy of $DEST format table in $FORMATBAK..."
format $DEST << EOF > /dev/null
save
$FORMATBAK
quit
EOF

#
# 
echo "Copy new format table to $DEST ..."
format -x $FORMATDAT -t $DNAME -p $PNAME $DEST << EOF > /dev/null 
label
y
quit
EOF

rm $FORMATDAT
echo "done."