#! /usr/bin/gawk -f
#
#	FILE1 -- The packages to be installed
#	FILE2 -- The cygwin setup.ini file

BEGIN {
	FS = "(:|[ \t]+)";
#	STDERR = "/dev/stderr";
	STDERR = "/dev/null";
	skip_prev = 1;
	DS = "#";
}

FILENAME==ARGV[1] {
	delete words
	num_words = 0;
	for(i=1; i<=NF; i++) {
		if($i != "") {
			num_words++;
			words[num_words] = $i;
#			printf("%s--", $i) >STDERR;
		}
	}
#	printf("\n") >STDERR;
	
	switch(words[1]) {
	case "@":
		skip_prev = 0;
		cur_package = words[2];
		printf("@ %s\n", cur_package) >STDERR; 
		break;

	case "install":
		if(!skip_prev) {
			pkg_path = words[2];
			all_packages[pkg_path] = cur_package;
			printf("install: %s\n", pkg_path) >STDERR;
		}
		skip_prev = 0;
		break;

	case "[prev]":
		skip_prev = 1; break;
	}
}

FILENAME==ARGV[2] && $1 {
	i = index($1, PREFIX);
	if(i > 0)
		package = substr($1, i+length(PREFIX));
	else
		package = $1;
#	print " * " package >"/dev/stderr"
	if( package in all_packages )
		print all_packages[package];
}