#!/bin/sh

# compare the generated files from a waf

old_build=$HOME/samba_old

gen_files=$(cd bin/default && find . -type f -name '*.[ch]')

2>&1

strip_file()
{
	in_file=$1
	out_file=$2
	cat $in_file |
		grep -v 'The following definitions come from' |
		grep -v 'Automatically generated at' |
		grep -v 'Generated from' |
		sed 's|/home/tnagy/samba/source4||g' |
		sed 's|/home/tnagy/samba/|../|g' |
		sed 's|bin/default/source4/||g' |
		sed 's|bin/default/|../|g' |
		sed 's/define _____/define ___/g' |
		sed 's/define __*/define _/g' |
		sed 's/define _DEFAULT_/define _/g' |
		sed 's/define _SOURCE4_/define ___/g' |
		sed 's/define ___/define _/g' |
		sed 's/ifndef ___/ifndef _/g' |
		sed 's|endif /* ____|endif /* __|g' |
		sed s/__DEFAULT_SOURCE4/__/ |
		sed s/__DEFAULT_SOURCE4/__/ |
		sed s/__DEFAULT/____/ >$out_file
}

compare_file()
{
	f=$f
	bname=$(basename $f)
	t1=/tmp/$bname.old.$$
	t2=/tmp/$bname.new.$$
	strip_file $old_build/$f $t1
	strip_file bin/default/$f $t2
	diff -u -b $t1 $t2 2>&1
	rm -f $t1 $t2
}

for f in $gen_files; do
	compare_file $f
done