Binary Patch Generator

PATCH=~/Desktop/Patcher

# Get list of files to add
diff -ra $1 $2 | grep "Only in $2" | sed -e s/"Only in $2\/"/"Add "/ | sed -e s/"Only in $2: "/"Add "/ | sed -e s/": "/"\/"/ > tempout

# Get list of files to update
diff -ra $1 $2 | grep "diff -ra" | sed -e s/"diff -ra $1\/"/"Update "/ | awk '{s=0; for (i=1; i<=NF;i++) s=s+1; r=0; for ( e=0;e<(s-1)/2;e++ ) { r=r+1; printf("%s ",$r)} r=r+1; printf("%s\n",$r)}' >> tempout

# append filesizes
cd $2

"$PATCH/fs" ../tempout

cd ..

# Get list of files to delete
diff -ra $1 $2 | grep -v "Only in $2" | grep "Only in" | sed -e s/"Only in $1\/"/"Delete "/ | sed -e s/": "/"\/"/ >> tempout2

cat tempout2 > update-index
echo END-INDEX >> update-index

# Genorate Patch file
cat tempout | sed -e s/"Add "// | sed -e s/"Update "// > filelist
cp "$PATCH/patch" ./patch
cat update-index >> patch
IFS='
'
for d in `cat filelist`
do
    echo Adding "$2/$d" to patch
    cat "$2/$d" >> patch
done

# Cleanup
#rm tempout
#rm filelist
#rm tempout2
#rm update-index