#!/usr/bin/perl
#
# Copyright 2019 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Maintainer: Ross Zwisler <zwisler@google.com>
#
# feedback-unpack: Unpack a zipped feedback report into individual log files
# for easy viewing.
#
# Usage: feedback-unpack <${feedback_report}.zip>
#
# This will create a ${feedback_report} directory and fill it with the log
# files found in the zipped feedback report.

use strict;
use warnings;
use IO::Uncompress::Unzip qw(unzip $UnzipError);

my $zip_file = $ARGV[0];

die "'$zip_file' is not a file\n" if ( ! -f $zip_file );

my $output_dir = $zip_file;
$output_dir =~ s/.zip$//;

die "$output_dir already exists\n" if -e $output_dir;
mkdir $output_dir;

my $z = new IO::Uncompress::Unzip $zip_file or die "unzip failed: $UnzipError\n";

while (my $line = $z->getline()) {
    if ($line =~ /^(Profile\[.*\] )?(.*)=<multiline>$/) {
        my $new_log = "$output_dir/$2";
        open (my $fh, ">", $new_log) or die "Cannot open $new_log: $!";
        while (my $line = $z->getline()) {
            next if ($line =~ /---------- START ----------/);
            last if ($line =~ /---------- END ----------/);
            print $fh $line;
        }
        close ($fh) or warn "Couldn't close $new_log: $!";
    }
}

$z->close() or die "close failed: $UnzipError\n";