#!/bin/bash

# $1: Original code
# $2: New code
# $3: Kernel version
# $4: Name of the patch file
# $5: Location for the patch on the website

usage(){
    cat<<EOF
Usage: $0 <orig> <new> <kernel version> <name of patch> <dir on website>
EOF
exit
}

if [ "%$1%" = "%%" ]
then
    usage
fi

if [ "%$2%" = "%%" ]
then
    usage
fi

if [ "%$3%" = "%%" ]
then
    usage
fi

if [ "%$4%" = "%%" ]
then
    usage
fi

#if [ "%$5%" = "%%" ]
#then
#    usage
#fi

cd $1 > /dev/null
rm TAGS > /dev/null
make clean > /dev/null
make mrproper > /dev/null
cd /usr/src > /dev/null
find $1 -type f -name "*~" -exec rm {} \; > /dev/null
find $1 -type f -name "#*#" -exec rm {} \; > /dev/null
find $1 -type f -name "*.rej" -exec rm {} \; > /dev/null

cd $2 > /dev/null
rm TAGS > /dev/null
make clean > /dev/null
make mrproper > /dev/null
cd /usr/src > /dev/null
find $2 -type f -name "*~" -exec rm {} \; > /dev/null
find $2 -type f -name "#*#" -exec rm {} \; > /dev/null
find $2 -type f -name "*.rej" -exec rm {} \; > /dev/null

#mkdir -p /home/httpd/html/linux/$5/$3
#diff -Nur $1 $2 > /home/httpd/html/linux/$5/$3/$4
diff -Nur $1 $2 > $4
#less /home/httpd/html/linux/$5/$3/$4
less $4

echo -n "Is this patch ready? (y/n): "
read ready
if [ "%$ready%" == "%y%" ]
then
#  echo "Ready" > /home/httpd/html/linux/$5/$3/$4-state
  echo "Ready" > $4-state
  echo "Marked ready"
fi