[0bb538]: xa-download-more Maximize Restore History

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xa-download-more    84 lines (68 with data), 1.4 kB

#!/usr/bin/perl -w

use HTTP::Request;
use LWP::UserAgent;
use strict;

&main(\@ARGV);

sub main ($)
{
	local *FH;

	if (!-d "downloads") {
		if (!mkdir("downloads")) {
			die "Could not create downloads/ directory";
		}
	}

	open(FH, "<sources");
	while (defined($_ = <FH>)) {
		chomp $_;
		$_ =~ s/#.*//gs;
		$_ =~ s/^\s+|\s+$//gs;
		if (length($_) == 0) {
			next;
		}
		&process_index($_);
	}

	close FH;
}

sub process_index ($)
{
	my $top = shift @_;
	my($agent, $res, $url);
	local *FH;

	$agent = LWP::UserAgent->new();
	$agent->env_proxy();

	$url = &slash_remove("$top/xa-index.txt");
	print "  GET     $url\n";
	$res = $agent->get($url);
	if (!$res->is_success()) {
		print STDERR "  `->     ", $res->status_line(), "\n";
		return;
	}

	foreach my $ext (split(/\s+/, $res->content())) {
		my($ex_url, $ex_res);

		$ex_url = &slash_remove("$top/$ext");
		print "  GET     $ex_url\n";

		$ex_res = $agent->mirror($ex_url, "downloads/$ext");
		if ($ex_res->code() == 304) {
			# "Not modified" = up to date
			next;
		}
		if (!$ex_res->is_success()) {
			print STDERR "  `->     ", $ex_res->status_line(), "\n";
			next;
		}

		print "  UNPACK  downloads/$ext\n";
		system "tar", "-xjf", "downloads/$ext";
	}
}

sub slash_remove ($)
{
	my $s = shift @_;
	$s =~ s{(\w+://)(.*)}{$1.&slash_remove2($2)}eg;
	return $s;
}

sub slash_remove2 ($)
{
	my $s = shift @_;
	$s =~ s{/+}{/}g;
	return $s;
}