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#!/usr/bin/perl -w
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This tool unpacks a full update package generated by make_full_update.sh
# Author: Benjamin Smedberg
#
# -----------------------------------------------------------------------------
# By default just assume that these tools exist on our path
use Getopt::Std;
my ($MAR, $XZ, $archive, @marentries, @marfiles);
if (defined($ENV{"MAR"})) {
$MAR = $ENV{"MAR"};
}
else {
$MAR = "mar";
}
if (defined($ENV{"XZ"})) {
$XZ = $ENV{"XZ"};
}
else {
if (system("xz --version > /dev/null 2>&1") != 0) {
# Some of the Windows build systems have xz.exe in topsrcdir/xz/.
my $xzwinpath = __FILE__;
$xzwinpath = substr($xzwinpath, 0, rindex($xzwinpath, '/'));
$xzwinpath = substr($xzwinpath, 0, rindex($xzwinpath, '/'));
$xzwinpath = substr($xzwinpath, 0, rindex($xzwinpath, '/'));
my $xzwin = $xzwinpath . "/xz/xz.exe";
if (-e $xzwin) {
$XZ = $xzwin;
}
else {
$xzwinpath = substr($xzwinpath, 0, rindex($xzwinpath, '/'));
$xzwin = $xzwinpath . "/xz/xz.exe";
if (-e $xzwin) {
$XZ = $xzwin;
}
else {
# If the xz executable was not found fallback to trying to execute
# xz and follow the normal failure path if it isn't found.
$XZ = "xz";
}
}
}
else {
$XZ = "xz";
}
}
sub print_usage
{
print "Usage: unwrap_full_update.pl [OPTIONS] ARCHIVE\n\n";
print "The contents of ARCHIVE will be unpacked into the current directory.\n\n";
print "Options:\n";
print " -h show this help text\n";
}
my %opts;
getopts("h", \%opts);
if (defined($opts{'h'}) || scalar(@ARGV) != 1) {
print_usage();
exit 1;
}
$archive = $ARGV[0];
@marentries = `"$MAR" -t "$archive"`;
$? && die("Couldn't run \"$MAR\" -t");
system($MAR, "-x", $archive) == 0 ||
die "Couldn't run $MAR -x";
shift @marentries;
foreach (@marentries) {
tr/\n\r//d;
my @splits = split(/\t/,$_);
my $file = $splits[2];
print "Decompressing: " . $file . "\n";
system("mv", $file, "$file.xz") == 0 ||
die "Couldn't mv \"$file\"";
system($XZ, "-d", "$file.xz") == 0 ||
die "Couldn't decompress \"$file\"";
}
print "Finished\n";
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