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#!/bin/sh
#SFS Converter - 3 to 4, 4 to 3
#Trio Tjandradjaja - GPL 2009


case $1 in
-convert)

[ ! "$SFS" ] && Xdialog --title "SFS Converter Splash" --msgbox "Please drag & drop an sfs" 10 40 && exit 0

EXTENSION=sfs
if [ `echo "$SFS" |tail -c 4` = "SFS" ] ; then EXTENSION=SFS; fi
CHECKSFS=`echo "$SFS" | sed 's/^.*\.//'`
BASENAME=`basename "$SFS" ".$EXTENSION"`
if [ "$CHECKSFS" = "$EXTENSION" ]; then
	TYPE=`disktype "$SFS" | grep 'version 4'`
	if [ ! "$TYPE" ] ; then
	Xdialog --title "SFS Converter Splash" --msgbox "Converting sfs v 3.x to 4.x
	Please wait until this box is closed
	Trio Tj - GPL 2009" 10 40 &
	p=$!
	cd "$DIR"
	unsquashfs3 "$SFS"
	mksquashfs4 "squashfs-root" "$BASENAME-sfs4.$EXTENSION"
	rm -rf "squashfs-root"
	md5sum "$BASENAME-sfs4.$EXTENSION" > "$BASENAME-sfs4.$EXTENSION-md5.txt"
	kill $p
	else
	Xdialog --title "SFS Converter Splash" --msgbox "Converting sfs v 4.x to 3.x
	Please wait until this box is closed
	Trio Tj - GPL 2009" 10 40 &
	p=$!
	cd "$DIR"
	unsquashfs4 "$SFS"
	mksquashfs3 "squashfs-root" "$BASENAME-sfs3.$EXTENSION"
	rm -rf "squashfs-root"
	md5sum "$BASENAME-sfs3.$EXTENSION" > "$BASENAME-sfs3.$EXTENSION-md5.txt"
	kill $p
	fi
else
Xdialog --title "SFS Converter Splash" --msgbox "Not a valid sfs file" 10 40
fi
;;

-version)
Xdialog --title "SFS Version Info" --msgbox "INFO:
	`disktype "$SFS"`" 15 50 &
;;
-help)
defaulttextviewer /usr/local/sfsconvert/README.txt &
;;

esac