#!/bin/bash 

GZIP=/usr/bin/gzip
GUNZIP=/usr/bin/gunzip
MOUNT=/bin/mount
UMOUNT=/bin/umount
CP=/bin/cp
RM=/bin/rm
MKDIR=/bin/mkdir
RMDIR=/bin/rmdir

FLP=floppy.img
IRD=initrd.img
IRDGZ=initrd.img.gz
STG2GZ=stage2.img.gz
STG2=stage2.img
TMP=tmp
FDIR=floppy
S2DIR=stage2
IDIR=initrd

if [ ! -r $FLP ]; then
	echo "No readable $FLP found."
	exit 1
fi
if [ ! -r $STG2GZ ]; then
	echo "No readable $STG2GZ found."
	exit 1
fi

$GUNZIP $STG2GZ
if [ ! -r $STG2 ]; then
	echo "No readable $STG2 found."
	exit 1
fi

if [ -d $TMP ]; then
	echo "Directory $TMP already exists."
	TMPEXISTS=1
else
	$MKDIR $TMP
fi
if [ ! -d $TMP ]; then
	echo "No directory $TMP created."
	$GZIP $STG2
	exit 1
fi

if [ ! -d $FDIR ]; then $MKDIR $FDIR ; fi
if [ ! -d $S2DIR ]; then $MKDIR $S2DIR ; fi
if [ ! -d $IDIR ]; then $MKDIR $IDIR ; fi

$MOUNT -o loop $FLP $TMP
if [ $? != 0 ]; then
	echo "Cannot mount images."
	$GZIP $STG2
	exit 1
fi
$CP -a $TMP/* $FDIR/
$UMOUNT $TMP

$MOUNT -o loop $STG2 $TMP
$CP -a $TMP/* $S2DIR/
$UMOUNT $TMP
$GZIP $STG2

$CP $FDIR/$IRD $IRDGZ
$GUNZIP $IRDGZ
if [ ! -r $IRD ]; then
	echo "No readable $IRD found."
	exit 1
fi

$MOUNT -o loop $IRD $TMP
$CP -a $TMP/* $IDIR/
$UMOUNT $TMP
$RM $IRD

if [ -z $TMPEXISTS ]; then
	$RMDIR $TMP
fi

echo "Remember to chown/chmod the files listed."